modmaxxing dependency - currently only contains CodeMirror as it is ESM-only, the rest are @require linked through jsdelivr
This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/578117/1824814/modmaxxing-deps.js
(function () {
'use strict';
let rangeFrom = [], rangeTo = []
;(() => {
let numbers = "lc,34,7n,7,7b,19,,,,2,,2,,,20,b,1c,l,g,,2t,7,2,6,2,2,,4,z,,u,r,2j,b,1m,9,9,,o,4,,9,,3,,5,17,3,3b,f,,w,1j,,,,4,8,4,,3,7,a,2,t,,1m,,,,2,4,8,,9,,a,2,q,,2,2,1l,,4,2,4,2,2,3,3,,u,2,3,,b,2,1l,,4,5,,2,4,,k,2,m,6,,,1m,,,2,,4,8,,7,3,a,2,u,,1n,,,,c,,9,,14,,3,,1l,3,5,3,,4,7,2,b,2,t,,1m,,2,,2,,3,,5,2,7,2,b,2,s,2,1l,2,,,2,4,8,,9,,a,2,t,,20,,4,,2,3,,,8,,29,,2,7,c,8,2q,,2,9,b,6,22,2,r,,,,,,1j,e,,5,,2,5,b,,10,9,,2u,4,,6,,2,2,2,p,2,4,3,g,4,d,,2,2,6,,f,,jj,3,qa,3,t,3,t,2,u,2,1s,2,,7,8,,2,b,9,,19,3,3b,2,y,,3a,3,4,2,9,,6,3,63,2,2,,1m,,,7,,,,,2,8,6,a,2,,1c,h,1r,4,1c,7,,,5,,14,9,c,2,w,4,2,2,,3,1k,,,2,3,,,3,1m,8,2,2,48,3,,d,,7,4,,6,,3,2,5i,1m,,5,ek,,5f,x,2da,3,3x,,2o,w,fe,6,2x,2,n9w,4,,a,w,2,28,2,7k,,3,,4,,p,2,5,,47,2,q,i,d,,12,8,p,b,1a,3,1c,,2,4,2,2,13,,1v,6,2,2,2,2,c,,8,,1b,,1f,,,3,2,2,5,2,,,16,2,8,,6m,,2,,4,,fn4,,kh,g,g,g,a6,2,gt,,6a,,45,5,1ae,3,,2,5,4,14,3,4,,4l,2,fx,4,ar,2,49,b,4w,,1i,f,1k,3,1d,4,2,2,1x,3,10,5,,8,1q,,c,2,1g,9,a,4,2,,2n,3,2,,,2,6,,4g,,3,8,l,2,1l,2,,,,,m,,e,7,3,5,5f,8,2,3,,,n,,29,,2,6,,,2,,,2,,2,6j,,2,4,6,2,,2,r,2,2d,8,2,,,2,2y,,,,2,6,,,2t,3,2,4,,5,77,9,,2,6t,,a,2,,,4,,40,4,2,2,4,,w,a,14,6,2,4,8,,9,6,2,3,1a,d,,2,ba,7,,6,,,2a,m,2,7,,2,,2,3e,6,3,,,2,,7,,,20,2,3,,,,9n,2,f0b,5,1n,7,t4,,1r,4,29,,f5k,2,43q,,,3,4,5,8,8,2,7,u,4,44,3,1iz,1j,4,1e,8,,e,,m,5,,f,11s,7,,h,2,7,,2,,5,79,7,c5,4,15s,7,31,7,240,5,gx7k,2o,3k,6o".split(",").map(s => s ? parseInt(s, 36) : 1);
for (let i = 0, n = 0; i < numbers.length; i++)
(i % 2 ? rangeTo : rangeFrom).push(n = n + numbers[i]);
})();
function isExtendingChar(code) {
if (code < 768) return false
for (let from = 0, to = rangeFrom.length;;) {
let mid = (from + to) >> 1;
if (code < rangeFrom[mid]) to = mid;
else if (code >= rangeTo[mid]) from = mid + 1;
else return true
if (from == to) return false
}
}
function isRegionalIndicator(code) {
return code >= 0x1F1E6 && code <= 0x1F1FF
}
const ZWJ = 0x200d;
function findClusterBreak$1(str, pos, forward = true, includeExtending = true) {
return (forward ? nextClusterBreak : prevClusterBreak)(str, pos, includeExtending)
}
function nextClusterBreak(str, pos, includeExtending) {
if (pos == str.length) return pos
if (pos && surrogateLow$1(str.charCodeAt(pos)) && surrogateHigh$1(str.charCodeAt(pos - 1))) pos--;
let prev = codePointAt$1(str, pos);
pos += codePointSize$1(prev);
while (pos < str.length) {
let next = codePointAt$1(str, pos);
if (prev == ZWJ || next == ZWJ || includeExtending && isExtendingChar(next)) {
pos += codePointSize$1(next);
prev = next;
} else if (isRegionalIndicator(next)) {
let countBefore = 0, i = pos - 2;
while (i >= 0 && isRegionalIndicator(codePointAt$1(str, i))) { countBefore++; i -= 2; }
if (countBefore % 2 == 0) break
else pos += 2;
} else {
break
}
}
return pos
}
function prevClusterBreak(str, pos, includeExtending) {
while (pos > 0) {
let found = nextClusterBreak(str, pos - 2, includeExtending);
if (found < pos) return found
pos--;
}
return 0
}
function codePointAt$1(str, pos) {
let code0 = str.charCodeAt(pos);
if (!surrogateHigh$1(code0) || pos + 1 == str.length) return code0
let code1 = str.charCodeAt(pos + 1);
if (!surrogateLow$1(code1)) return code0
return ((code0 - 0xd800) << 10) + (code1 - 0xdc00) + 0x10000
}
function surrogateLow$1(ch) { return ch >= 0xDC00 && ch < 0xE000 }
function surrogateHigh$1(ch) { return ch >= 0xD800 && ch < 0xDC00 }
function codePointSize$1(code) { return code < 0x10000 ? 1 : 2 }
class Text {
lineAt(pos) {
if (pos < 0 || pos > this.length)
throw new RangeError(`Invalid position ${pos} in document of length ${this.length}`);
return this.lineInner(pos, false, 1, 0);
}
line(n) {
if (n < 1 || n > this.lines)
throw new RangeError(`Invalid line number ${n} in ${this.lines}-line document`);
return this.lineInner(n, true, 1, 0);
}
replace(from, to, text) {
[from, to] = clip(this, from, to);
let parts = [];
this.decompose(0, from, parts, 2 );
if (text.length)
text.decompose(0, text.length, parts, 1 | 2 );
this.decompose(to, this.length, parts, 1 );
return TextNode.from(parts, this.length - (to - from) + text.length);
}
append(other) {
return this.replace(this.length, this.length, other);
}
slice(from, to = this.length) {
[from, to] = clip(this, from, to);
let parts = [];
this.decompose(from, to, parts, 0);
return TextNode.from(parts, to - from);
}
eq(other) {
if (other == this)
return true;
if (other.length != this.length || other.lines != this.lines)
return false;
let start = this.scanIdentical(other, 1), end = this.length - this.scanIdentical(other, -1);
let a = new RawTextCursor(this), b = new RawTextCursor(other);
for (let skip = start, pos = start;;) {
a.next(skip);
b.next(skip);
skip = 0;
if (a.lineBreak != b.lineBreak || a.done != b.done || a.value != b.value)
return false;
pos += a.value.length;
if (a.done || pos >= end)
return true;
}
}
iter(dir = 1) { return new RawTextCursor(this, dir); }
iterRange(from, to = this.length) { return new PartialTextCursor(this, from, to); }
iterLines(from, to) {
let inner;
if (from == null) {
inner = this.iter();
}
else {
if (to == null)
to = this.lines + 1;
let start = this.line(from).from;
inner = this.iterRange(start, Math.max(start, to == this.lines + 1 ? this.length : to <= 1 ? 0 : this.line(to - 1).to));
}
return new LineCursor(inner);
}
toString() { return this.sliceString(0); }
toJSON() {
let lines = [];
this.flatten(lines);
return lines;
}
constructor() { }
static of(text) {
if (text.length == 0)
throw new RangeError("A document must have at least one line");
if (text.length == 1 && !text[0])
return Text.empty;
return text.length <= 32 ? new TextLeaf(text) : TextNode.from(TextLeaf.split(text, []));
}
}
class TextLeaf extends Text {
constructor(text, length = textLength(text)) {
super();
this.text = text;
this.length = length;
}
get lines() { return this.text.length; }
get children() { return null; }
lineInner(target, isLine, line, offset) {
for (let i = 0;; i++) {
let string = this.text[i], end = offset + string.length;
if ((isLine ? line : end) >= target)
return new Line(offset, end, line, string);
offset = end + 1;
line++;
}
}
decompose(from, to, target, open) {
let text = from <= 0 && to >= this.length ? this
: new TextLeaf(sliceText(this.text, from, to), Math.min(to, this.length) - Math.max(0, from));
if (open & 1 ) {
let prev = target.pop();
let joined = appendText(text.text, prev.text.slice(), 0, text.length);
if (joined.length <= 32 ) {
target.push(new TextLeaf(joined, prev.length + text.length));
}
else {
let mid = joined.length >> 1;
target.push(new TextLeaf(joined.slice(0, mid)), new TextLeaf(joined.slice(mid)));
}
}
else {
target.push(text);
}
}
replace(from, to, text) {
if (!(text instanceof TextLeaf))
return super.replace(from, to, text);
[from, to] = clip(this, from, to);
let lines = appendText(this.text, appendText(text.text, sliceText(this.text, 0, from)), to);
let newLen = this.length + text.length - (to - from);
if (lines.length <= 32 )
return new TextLeaf(lines, newLen);
return TextNode.from(TextLeaf.split(lines, []), newLen);
}
sliceString(from, to = this.length, lineSep = "\n") {
[from, to] = clip(this, from, to);
let result = "";
for (let pos = 0, i = 0; pos <= to && i < this.text.length; i++) {
let line = this.text[i], end = pos + line.length;
if (pos > from && i)
result += lineSep;
if (from < end && to > pos)
result += line.slice(Math.max(0, from - pos), to - pos);
pos = end + 1;
}
return result;
}
flatten(target) {
for (let line of this.text)
target.push(line);
}
scanIdentical() { return 0; }
static split(text, target) {
let part = [], len = -1;
for (let line of text) {
part.push(line);
len += line.length + 1;
if (part.length == 32 ) {
target.push(new TextLeaf(part, len));
part = [];
len = -1;
}
}
if (len > -1)
target.push(new TextLeaf(part, len));
return target;
}
}
class TextNode extends Text {
constructor(children, length) {
super();
this.children = children;
this.length = length;
this.lines = 0;
for (let child of children)
this.lines += child.lines;
}
lineInner(target, isLine, line, offset) {
for (let i = 0;; i++) {
let child = this.children[i], end = offset + child.length, endLine = line + child.lines - 1;
if ((isLine ? endLine : end) >= target)
return child.lineInner(target, isLine, line, offset);
offset = end + 1;
line = endLine + 1;
}
}
decompose(from, to, target, open) {
for (let i = 0, pos = 0; pos <= to && i < this.children.length; i++) {
let child = this.children[i], end = pos + child.length;
if (from <= end && to >= pos) {
let childOpen = open & ((pos <= from ? 1 : 0) | (end >= to ? 2 : 0));
if (pos >= from && end <= to && !childOpen)
target.push(child);
else
child.decompose(from - pos, to - pos, target, childOpen);
}
pos = end + 1;
}
}
replace(from, to, text) {
[from, to] = clip(this, from, to);
if (text.lines < this.lines)
for (let i = 0, pos = 0; i < this.children.length; i++) {
let child = this.children[i], end = pos + child.length;
if (from >= pos && to <= end) {
let updated = child.replace(from - pos, to - pos, text);
let totalLines = this.lines - child.lines + updated.lines;
if (updated.lines < (totalLines >> (5 - 1)) &&
updated.lines > (totalLines >> (5 + 1))) {
let copy = this.children.slice();
copy[i] = updated;
return new TextNode(copy, this.length - (to - from) + text.length);
}
return super.replace(pos, end, updated);
}
pos = end + 1;
}
return super.replace(from, to, text);
}
sliceString(from, to = this.length, lineSep = "\n") {
[from, to] = clip(this, from, to);
let result = "";
for (let i = 0, pos = 0; i < this.children.length && pos <= to; i++) {
let child = this.children[i], end = pos + child.length;
if (pos > from && i)
result += lineSep;
if (from < end && to > pos)
result += child.sliceString(from - pos, to - pos, lineSep);
pos = end + 1;
}
return result;
}
flatten(target) {
for (let child of this.children)
child.flatten(target);
}
scanIdentical(other, dir) {
if (!(other instanceof TextNode))
return 0;
let length = 0;
let [iA, iB, eA, eB] = dir > 0 ? [0, 0, this.children.length, other.children.length]
: [this.children.length - 1, other.children.length - 1, -1, -1];
for (;; iA += dir, iB += dir) {
if (iA == eA || iB == eB)
return length;
let chA = this.children[iA], chB = other.children[iB];
if (chA != chB)
return length + chA.scanIdentical(chB, dir);
length += chA.length + 1;
}
}
static from(children, length = children.reduce((l, ch) => l + ch.length + 1, -1)) {
let lines = 0;
for (let ch of children)
lines += ch.lines;
if (lines < 32 ) {
let flat = [];
for (let ch of children)
ch.flatten(flat);
return new TextLeaf(flat, length);
}
let chunk = Math.max(32 , lines >> 5 ), maxChunk = chunk << 1, minChunk = chunk >> 1;
let chunked = [], currentLines = 0, currentLen = -1, currentChunk = [];
function add(child) {
let last;
if (child.lines > maxChunk && child instanceof TextNode) {
for (let node of child.children)
add(node);
}
else if (child.lines > minChunk && (currentLines > minChunk || !currentLines)) {
flush();
chunked.push(child);
}
else if (child instanceof TextLeaf && currentLines &&
(last = currentChunk[currentChunk.length - 1]) instanceof TextLeaf &&
child.lines + last.lines <= 32 ) {
currentLines += child.lines;
currentLen += child.length + 1;
currentChunk[currentChunk.length - 1] = new TextLeaf(last.text.concat(child.text), last.length + 1 + child.length);
}
else {
if (currentLines + child.lines > chunk)
flush();
currentLines += child.lines;
currentLen += child.length + 1;
currentChunk.push(child);
}
}
function flush() {
if (currentLines == 0)
return;
chunked.push(currentChunk.length == 1 ? currentChunk[0] : TextNode.from(currentChunk, currentLen));
currentLen = -1;
currentLines = currentChunk.length = 0;
}
for (let child of children)
add(child);
flush();
return chunked.length == 1 ? chunked[0] : new TextNode(chunked, length);
}
}
Text.empty = new TextLeaf([""], 0);
function textLength(text) {
let length = -1;
for (let line of text)
length += line.length + 1;
return length;
}
function appendText(text, target, from = 0, to = 1e9) {
for (let pos = 0, i = 0, first = true; i < text.length && pos <= to; i++) {
let line = text[i], end = pos + line.length;
if (end >= from) {
if (end > to)
line = line.slice(0, to - pos);
if (pos < from)
line = line.slice(from - pos);
if (first) {
target[target.length - 1] += line;
first = false;
}
else
target.push(line);
}
pos = end + 1;
}
return target;
}
function sliceText(text, from, to) {
return appendText(text, [""], from, to);
}
class RawTextCursor {
constructor(text, dir = 1) {
this.dir = dir;
this.done = false;
this.lineBreak = false;
this.value = "";
this.nodes = [text];
this.offsets = [dir > 0 ? 1 : (text instanceof TextLeaf ? text.text.length : text.children.length) << 1];
}
nextInner(skip, dir) {
this.done = this.lineBreak = false;
for (;;) {
let last = this.nodes.length - 1;
let top = this.nodes[last], offsetValue = this.offsets[last], offset = offsetValue >> 1;
let size = top instanceof TextLeaf ? top.text.length : top.children.length;
if (offset == (dir > 0 ? size : 0)) {
if (last == 0) {
this.done = true;
this.value = "";
return this;
}
if (dir > 0)
this.offsets[last - 1]++;
this.nodes.pop();
this.offsets.pop();
}
else if ((offsetValue & 1) == (dir > 0 ? 0 : 1)) {
this.offsets[last] += dir;
if (skip == 0) {
this.lineBreak = true;
this.value = "\n";
return this;
}
skip--;
}
else if (top instanceof TextLeaf) {
let next = top.text[offset + (dir < 0 ? -1 : 0)];
this.offsets[last] += dir;
if (next.length > Math.max(0, skip)) {
this.value = skip == 0 ? next : dir > 0 ? next.slice(skip) : next.slice(0, next.length - skip);
return this;
}
skip -= next.length;
}
else {
let next = top.children[offset + (dir < 0 ? -1 : 0)];
if (skip > next.length) {
skip -= next.length;
this.offsets[last] += dir;
}
else {
if (dir < 0)
this.offsets[last]--;
this.nodes.push(next);
this.offsets.push(dir > 0 ? 1 : (next instanceof TextLeaf ? next.text.length : next.children.length) << 1);
}
}
}
}
next(skip = 0) {
if (skip < 0) {
this.nextInner(-skip, (-this.dir));
skip = this.value.length;
}
return this.nextInner(skip, this.dir);
}
}
class PartialTextCursor {
constructor(text, start, end) {
this.value = "";
this.done = false;
this.cursor = new RawTextCursor(text, start > end ? -1 : 1);
this.pos = start > end ? text.length : 0;
this.from = Math.min(start, end);
this.to = Math.max(start, end);
}
nextInner(skip, dir) {
if (dir < 0 ? this.pos <= this.from : this.pos >= this.to) {
this.value = "";
this.done = true;
return this;
}
skip += Math.max(0, dir < 0 ? this.pos - this.to : this.from - this.pos);
let limit = dir < 0 ? this.pos - this.from : this.to - this.pos;
if (skip > limit)
skip = limit;
limit -= skip;
let { value } = this.cursor.next(skip);
this.pos += (value.length + skip) * dir;
this.value = value.length <= limit ? value : dir < 0 ? value.slice(value.length - limit) : value.slice(0, limit);
this.done = !this.value;
return this;
}
next(skip = 0) {
if (skip < 0)
skip = Math.max(skip, this.from - this.pos);
else if (skip > 0)
skip = Math.min(skip, this.to - this.pos);
return this.nextInner(skip, this.cursor.dir);
}
get lineBreak() { return this.cursor.lineBreak && this.value != ""; }
}
class LineCursor {
constructor(inner) {
this.inner = inner;
this.afterBreak = true;
this.value = "";
this.done = false;
}
next(skip = 0) {
let { done, lineBreak, value } = this.inner.next(skip);
if (done && this.afterBreak) {
this.value = "";
this.afterBreak = false;
}
else if (done) {
this.done = true;
this.value = "";
}
else if (lineBreak) {
if (this.afterBreak) {
this.value = "";
}
else {
this.afterBreak = true;
this.next();
}
}
else {
this.value = value;
this.afterBreak = false;
}
return this;
}
get lineBreak() { return false; }
}
if (typeof Symbol != "undefined") {
Text.prototype[Symbol.iterator] = function () { return this.iter(); };
RawTextCursor.prototype[Symbol.iterator] = PartialTextCursor.prototype[Symbol.iterator] =
LineCursor.prototype[Symbol.iterator] = function () { return this; };
}
class Line {
constructor(
from,
to,
number,
text) {
this.from = from;
this.to = to;
this.number = number;
this.text = text;
}
get length() { return this.to - this.from; }
}
function clip(text, from, to) {
from = Math.max(0, Math.min(text.length, from));
return [from, Math.max(from, Math.min(text.length, to))];
}
function findClusterBreak(str, pos, forward = true, includeExtending = true) {
return findClusterBreak$1(str, pos, forward, includeExtending);
}
function surrogateLow(ch) { return ch >= 0xDC00 && ch < 0xE000; }
function surrogateHigh(ch) { return ch >= 0xD800 && ch < 0xDC00; }
function codePointAt(str, pos) {
let code0 = str.charCodeAt(pos);
if (!surrogateHigh(code0) || pos + 1 == str.length)
return code0;
let code1 = str.charCodeAt(pos + 1);
if (!surrogateLow(code1))
return code0;
return ((code0 - 0xd800) << 10) + (code1 - 0xdc00) + 0x10000;
}
function fromCodePoint(code) {
if (code <= 0xffff)
return String.fromCharCode(code);
code -= 0x10000;
return String.fromCharCode((code >> 10) + 0xd800, (code & 1023) + 0xdc00);
}
function codePointSize(code) { return code < 0x10000 ? 1 : 2; }
const DefaultSplit = /\r\n?|\n/;
var MapMode = (function (MapMode) {
MapMode[MapMode["Simple"] = 0] = "Simple";
MapMode[MapMode["TrackDel"] = 1] = "TrackDel";
MapMode[MapMode["TrackBefore"] = 2] = "TrackBefore";
MapMode[MapMode["TrackAfter"] = 3] = "TrackAfter";
return MapMode})(MapMode || (MapMode = {}));
class ChangeDesc {
constructor(
sections) {
this.sections = sections;
}
get length() {
let result = 0;
for (let i = 0; i < this.sections.length; i += 2)
result += this.sections[i];
return result;
}
get newLength() {
let result = 0;
for (let i = 0; i < this.sections.length; i += 2) {
let ins = this.sections[i + 1];
result += ins < 0 ? this.sections[i] : ins;
}
return result;
}
get empty() { return this.sections.length == 0 || this.sections.length == 2 && this.sections[1] < 0; }
iterGaps(f) {
for (let i = 0, posA = 0, posB = 0; i < this.sections.length;) {
let len = this.sections[i++], ins = this.sections[i++];
if (ins < 0) {
f(posA, posB, len);
posB += len;
}
else {
posB += ins;
}
posA += len;
}
}
iterChangedRanges(f, individual = false) {
iterChanges(this, f, individual);
}
get invertedDesc() {
let sections = [];
for (let i = 0; i < this.sections.length;) {
let len = this.sections[i++], ins = this.sections[i++];
if (ins < 0)
sections.push(len, ins);
else
sections.push(ins, len);
}
return new ChangeDesc(sections);
}
composeDesc(other) { return this.empty ? other : other.empty ? this : composeSets(this, other); }
mapDesc(other, before = false) { return other.empty ? this : mapSet(this, other, before); }
mapPos(pos, assoc = -1, mode = MapMode.Simple) {
let posA = 0, posB = 0;
for (let i = 0; i < this.sections.length;) {
let len = this.sections[i++], ins = this.sections[i++], endA = posA + len;
if (ins < 0) {
if (endA > pos)
return posB + (pos - posA);
posB += len;
}
else {
if (mode != MapMode.Simple && endA >= pos &&
(mode == MapMode.TrackDel && posA < pos && endA > pos ||
mode == MapMode.TrackBefore && posA < pos ||
mode == MapMode.TrackAfter && endA > pos))
return null;
if (endA > pos || endA == pos && assoc < 0 && !len)
return pos == posA || assoc < 0 ? posB : posB + ins;
posB += ins;
}
posA = endA;
}
if (pos > posA)
throw new RangeError(`Position ${pos} is out of range for changeset of length ${posA}`);
return posB;
}
touchesRange(from, to = from) {
for (let i = 0, pos = 0; i < this.sections.length && pos <= to;) {
let len = this.sections[i++], ins = this.sections[i++], end = pos + len;
if (ins >= 0 && pos <= to && end >= from)
return pos < from && end > to ? "cover" : true;
pos = end;
}
return false;
}
toString() {
let result = "";
for (let i = 0; i < this.sections.length;) {
let len = this.sections[i++], ins = this.sections[i++];
result += (result ? " " : "") + len + (ins >= 0 ? ":" + ins : "");
}
return result;
}
toJSON() { return this.sections; }
static fromJSON(json) {
if (!Array.isArray(json) || json.length % 2 || json.some(a => typeof a != "number"))
throw new RangeError("Invalid JSON representation of ChangeDesc");
return new ChangeDesc(json);
}
static create(sections) { return new ChangeDesc(sections); }
}
class ChangeSet extends ChangeDesc {
constructor(sections,
inserted) {
super(sections);
this.inserted = inserted;
}
apply(doc) {
if (this.length != doc.length)
throw new RangeError("Applying change set to a document with the wrong length");
iterChanges(this, (fromA, toA, fromB, _toB, text) => doc = doc.replace(fromB, fromB + (toA - fromA), text), false);
return doc;
}
mapDesc(other, before = false) { return mapSet(this, other, before, true); }
invert(doc) {
let sections = this.sections.slice(), inserted = [];
for (let i = 0, pos = 0; i < sections.length; i += 2) {
let len = sections[i], ins = sections[i + 1];
if (ins >= 0) {
sections[i] = ins;
sections[i + 1] = len;
let index = i >> 1;
while (inserted.length < index)
inserted.push(Text.empty);
inserted.push(len ? doc.slice(pos, pos + len) : Text.empty);
}
pos += len;
}
return new ChangeSet(sections, inserted);
}
compose(other) { return this.empty ? other : other.empty ? this : composeSets(this, other, true); }
map(other, before = false) { return other.empty ? this : mapSet(this, other, before, true); }
iterChanges(f, individual = false) {
iterChanges(this, f, individual);
}
get desc() { return ChangeDesc.create(this.sections); }
filter(ranges) {
let resultSections = [], resultInserted = [], filteredSections = [];
let iter = new SectionIter(this);
done: for (let i = 0, pos = 0;;) {
let next = i == ranges.length ? 1e9 : ranges[i++];
while (pos < next || pos == next && iter.len == 0) {
if (iter.done)
break done;
let len = Math.min(iter.len, next - pos);
addSection(filteredSections, len, -1);
let ins = iter.ins == -1 ? -1 : iter.off == 0 ? iter.ins : 0;
addSection(resultSections, len, ins);
if (ins > 0)
addInsert(resultInserted, resultSections, iter.text);
iter.forward(len);
pos += len;
}
let end = ranges[i++];
while (pos < end) {
if (iter.done)
break done;
let len = Math.min(iter.len, end - pos);
addSection(resultSections, len, -1);
addSection(filteredSections, len, iter.ins == -1 ? -1 : iter.off == 0 ? iter.ins : 0);
iter.forward(len);
pos += len;
}
}
return { changes: new ChangeSet(resultSections, resultInserted),
filtered: ChangeDesc.create(filteredSections) };
}
toJSON() {
let parts = [];
for (let i = 0; i < this.sections.length; i += 2) {
let len = this.sections[i], ins = this.sections[i + 1];
if (ins < 0)
parts.push(len);
else if (ins == 0)
parts.push([len]);
else
parts.push([len].concat(this.inserted[i >> 1].toJSON()));
}
return parts;
}
static of(changes, length, lineSep) {
let sections = [], inserted = [], pos = 0;
let total = null;
function flush(force = false) {
if (!force && !sections.length)
return;
if (pos < length)
addSection(sections, length - pos, -1);
let set = new ChangeSet(sections, inserted);
total = total ? total.compose(set.map(total)) : set;
sections = [];
inserted = [];
pos = 0;
}
function process(spec) {
if (Array.isArray(spec)) {
for (let sub of spec)
process(sub);
}
else if (spec instanceof ChangeSet) {
if (spec.length != length)
throw new RangeError(`Mismatched change set length (got ${spec.length}, expected ${length})`);
flush();
total = total ? total.compose(spec.map(total)) : spec;
}
else {
let { from, to = from, insert } = spec;
if (from > to || from < 0 || to > length)
throw new RangeError(`Invalid change range ${from} to ${to} (in doc of length ${length})`);
let insText = !insert ? Text.empty : typeof insert == "string" ? Text.of(insert.split(lineSep || DefaultSplit)) : insert;
let insLen = insText.length;
if (from == to && insLen == 0)
return;
if (from < pos)
flush();
if (from > pos)
addSection(sections, from - pos, -1);
addSection(sections, to - from, insLen);
addInsert(inserted, sections, insText);
pos = to;
}
}
process(changes);
flush(!total);
return total;
}
static empty(length) {
return new ChangeSet(length ? [length, -1] : [], []);
}
static fromJSON(json) {
if (!Array.isArray(json))
throw new RangeError("Invalid JSON representation of ChangeSet");
let sections = [], inserted = [];
for (let i = 0; i < json.length; i++) {
let part = json[i];
if (typeof part == "number") {
sections.push(part, -1);
}
else if (!Array.isArray(part) || typeof part[0] != "number" || part.some((e, i) => i && typeof e != "string")) {
throw new RangeError("Invalid JSON representation of ChangeSet");
}
else if (part.length == 1) {
sections.push(part[0], 0);
}
else {
while (inserted.length < i)
inserted.push(Text.empty);
inserted[i] = Text.of(part.slice(1));
sections.push(part[0], inserted[i].length);
}
}
return new ChangeSet(sections, inserted);
}
static createSet(sections, inserted) {
return new ChangeSet(sections, inserted);
}
}
function addSection(sections, len, ins, forceJoin = false) {
if (len == 0 && ins <= 0)
return;
let last = sections.length - 2;
if (last >= 0 && ins <= 0 && ins == sections[last + 1])
sections[last] += len;
else if (last >= 0 && len == 0 && sections[last] == 0)
sections[last + 1] += ins;
else if (forceJoin) {
sections[last] += len;
sections[last + 1] += ins;
}
else
sections.push(len, ins);
}
function addInsert(values, sections, value) {
if (value.length == 0)
return;
let index = (sections.length - 2) >> 1;
if (index < values.length) {
values[values.length - 1] = values[values.length - 1].append(value);
}
else {
while (values.length < index)
values.push(Text.empty);
values.push(value);
}
}
function iterChanges(desc, f, individual) {
let inserted = desc.inserted;
for (let posA = 0, posB = 0, i = 0; i < desc.sections.length;) {
let len = desc.sections[i++], ins = desc.sections[i++];
if (ins < 0) {
posA += len;
posB += len;
}
else {
let endA = posA, endB = posB, text = Text.empty;
for (;;) {
endA += len;
endB += ins;
if (ins && inserted)
text = text.append(inserted[(i - 2) >> 1]);
if (individual || i == desc.sections.length || desc.sections[i + 1] < 0)
break;
len = desc.sections[i++];
ins = desc.sections[i++];
}
f(posA, endA, posB, endB, text);
posA = endA;
posB = endB;
}
}
}
function mapSet(setA, setB, before, mkSet = false) {
let sections = [], insert = mkSet ? [] : null;
let a = new SectionIter(setA), b = new SectionIter(setB);
for (let inserted = -1;;) {
if (a.done && b.len || b.done && a.len) {
throw new Error("Mismatched change set lengths");
}
else if (a.ins == -1 && b.ins == -1) {
let len = Math.min(a.len, b.len);
addSection(sections, len, -1);
a.forward(len);
b.forward(len);
}
else if (b.ins >= 0 && (a.ins < 0 || inserted == a.i || a.off == 0 && (b.len < a.len || b.len == a.len && !before))) {
let len = b.len;
addSection(sections, b.ins, -1);
while (len) {
let piece = Math.min(a.len, len);
if (a.ins >= 0 && inserted < a.i && a.len <= piece) {
addSection(sections, 0, a.ins);
if (insert)
addInsert(insert, sections, a.text);
inserted = a.i;
}
a.forward(piece);
len -= piece;
}
b.next();
}
else if (a.ins >= 0) {
let len = 0, left = a.len;
while (left) {
if (b.ins == -1) {
let piece = Math.min(left, b.len);
len += piece;
left -= piece;
b.forward(piece);
}
else if (b.ins == 0 && b.len < left) {
left -= b.len;
b.next();
}
else {
break;
}
}
addSection(sections, len, inserted < a.i ? a.ins : 0);
if (insert && inserted < a.i)
addInsert(insert, sections, a.text);
inserted = a.i;
a.forward(a.len - left);
}
else if (a.done && b.done) {
return insert ? ChangeSet.createSet(sections, insert) : ChangeDesc.create(sections);
}
else {
throw new Error("Mismatched change set lengths");
}
}
}
function composeSets(setA, setB, mkSet = false) {
let sections = [];
let insert = mkSet ? [] : null;
let a = new SectionIter(setA), b = new SectionIter(setB);
for (let open = false;;) {
if (a.done && b.done) {
return insert ? ChangeSet.createSet(sections, insert) : ChangeDesc.create(sections);
}
else if (a.ins == 0) {
addSection(sections, a.len, 0, open);
a.next();
}
else if (b.len == 0 && !b.done) {
addSection(sections, 0, b.ins, open);
if (insert)
addInsert(insert, sections, b.text);
b.next();
}
else if (a.done || b.done) {
throw new Error("Mismatched change set lengths");
}
else {
let len = Math.min(a.len2, b.len), sectionLen = sections.length;
if (a.ins == -1) {
let insB = b.ins == -1 ? -1 : b.off ? 0 : b.ins;
addSection(sections, len, insB, open);
if (insert && insB)
addInsert(insert, sections, b.text);
}
else if (b.ins == -1) {
addSection(sections, a.off ? 0 : a.len, len, open);
if (insert)
addInsert(insert, sections, a.textBit(len));
}
else {
addSection(sections, a.off ? 0 : a.len, b.off ? 0 : b.ins, open);
if (insert && !b.off)
addInsert(insert, sections, b.text);
}
open = (a.ins > len || b.ins >= 0 && b.len > len) && (open || sections.length > sectionLen);
a.forward2(len);
b.forward(len);
}
}
}
class SectionIter {
constructor(set) {
this.set = set;
this.i = 0;
this.next();
}
next() {
let { sections } = this.set;
if (this.i < sections.length) {
this.len = sections[this.i++];
this.ins = sections[this.i++];
}
else {
this.len = 0;
this.ins = -2;
}
this.off = 0;
}
get done() { return this.ins == -2; }
get len2() { return this.ins < 0 ? this.len : this.ins; }
get text() {
let { inserted } = this.set, index = (this.i - 2) >> 1;
return index >= inserted.length ? Text.empty : inserted[index];
}
textBit(len) {
let { inserted } = this.set, index = (this.i - 2) >> 1;
return index >= inserted.length && !len ? Text.empty
: inserted[index].slice(this.off, len == null ? undefined : this.off + len);
}
forward(len) {
if (len == this.len)
this.next();
else {
this.len -= len;
this.off += len;
}
}
forward2(len) {
if (this.ins == -1)
this.forward(len);
else if (len == this.ins)
this.next();
else {
this.ins -= len;
this.off += len;
}
}
}
class SelectionRange {
constructor(
from,
to, flags) {
this.from = from;
this.to = to;
this.flags = flags;
}
get anchor() { return this.flags & 32 ? this.to : this.from; }
get head() { return this.flags & 32 ? this.from : this.to; }
get empty() { return this.from == this.to; }
get assoc() { return this.flags & 8 ? -1 : this.flags & 16 ? 1 : 0; }
get bidiLevel() {
let level = this.flags & 7 ;
return level == 7 ? null : level;
}
get goalColumn() {
let value = this.flags >> 6 ;
return value == 16777215 ? undefined : value;
}
map(change, assoc = -1) {
let from, to;
if (this.empty) {
from = to = change.mapPos(this.from, assoc);
}
else {
from = change.mapPos(this.from, 1);
to = change.mapPos(this.to, -1);
}
return from == this.from && to == this.to ? this : new SelectionRange(from, to, this.flags);
}
extend(from, to = from) {
if (from <= this.anchor && to >= this.anchor)
return EditorSelection.range(from, to);
let head = Math.abs(from - this.anchor) > Math.abs(to - this.anchor) ? from : to;
return EditorSelection.range(this.anchor, head);
}
eq(other, includeAssoc = false) {
return this.anchor == other.anchor && this.head == other.head && this.goalColumn == other.goalColumn &&
(!includeAssoc || !this.empty || this.assoc == other.assoc);
}
toJSON() { return { anchor: this.anchor, head: this.head }; }
static fromJSON(json) {
if (!json || typeof json.anchor != "number" || typeof json.head != "number")
throw new RangeError("Invalid JSON representation for SelectionRange");
return EditorSelection.range(json.anchor, json.head);
}
static create(from, to, flags) {
return new SelectionRange(from, to, flags);
}
}
class EditorSelection {
constructor(
ranges,
mainIndex) {
this.ranges = ranges;
this.mainIndex = mainIndex;
}
map(change, assoc = -1) {
if (change.empty)
return this;
return EditorSelection.create(this.ranges.map(r => r.map(change, assoc)), this.mainIndex);
}
eq(other, includeAssoc = false) {
if (this.ranges.length != other.ranges.length ||
this.mainIndex != other.mainIndex)
return false;
for (let i = 0; i < this.ranges.length; i++)
if (!this.ranges[i].eq(other.ranges[i], includeAssoc))
return false;
return true;
}
get main() { return this.ranges[this.mainIndex]; }
asSingle() {
return this.ranges.length == 1 ? this : new EditorSelection([this.main], 0);
}
addRange(range, main = true) {
return EditorSelection.create([range].concat(this.ranges), main ? 0 : this.mainIndex + 1);
}
replaceRange(range, which = this.mainIndex) {
let ranges = this.ranges.slice();
ranges[which] = range;
return EditorSelection.create(ranges, this.mainIndex);
}
toJSON() {
return { ranges: this.ranges.map(r => r.toJSON()), main: this.mainIndex };
}
static fromJSON(json) {
if (!json || !Array.isArray(json.ranges) || typeof json.main != "number" || json.main >= json.ranges.length)
throw new RangeError("Invalid JSON representation for EditorSelection");
return new EditorSelection(json.ranges.map((r) => SelectionRange.fromJSON(r)), json.main);
}
static single(anchor, head = anchor) {
return new EditorSelection([EditorSelection.range(anchor, head)], 0);
}
static create(ranges, mainIndex = 0) {
if (ranges.length == 0)
throw new RangeError("A selection needs at least one range");
for (let pos = 0, i = 0; i < ranges.length; i++) {
let range = ranges[i];
if (range.empty ? range.from <= pos : range.from < pos)
return EditorSelection.normalized(ranges.slice(), mainIndex);
pos = range.to;
}
return new EditorSelection(ranges, mainIndex);
}
static cursor(pos, assoc = 0, bidiLevel, goalColumn) {
return SelectionRange.create(pos, pos, (assoc == 0 ? 0 : assoc < 0 ? 8 : 16 ) |
(bidiLevel == null ? 7 : Math.min(6, bidiLevel)) |
((goalColumn !== null && goalColumn !== void 0 ? goalColumn : 16777215 ) << 6 ));
}
static range(anchor, head, goalColumn, bidiLevel) {
let flags = ((goalColumn !== null && goalColumn !== void 0 ? goalColumn : 16777215 ) << 6 ) |
(bidiLevel == null ? 7 : Math.min(6, bidiLevel));
return head < anchor ? SelectionRange.create(head, anchor, 32 | 16 | flags)
: SelectionRange.create(anchor, head, (head > anchor ? 8 : 0) | flags);
}
static normalized(ranges, mainIndex = 0) {
let main = ranges[mainIndex];
ranges.sort((a, b) => a.from - b.from);
mainIndex = ranges.indexOf(main);
for (let i = 1; i < ranges.length; i++) {
let range = ranges[i], prev = ranges[i - 1];
if (range.empty ? range.from <= prev.to : range.from < prev.to) {
let from = prev.from, to = Math.max(range.to, prev.to);
if (i <= mainIndex)
mainIndex--;
ranges.splice(--i, 2, range.anchor > range.head ? EditorSelection.range(to, from) : EditorSelection.range(from, to));
}
}
return new EditorSelection(ranges, mainIndex);
}
}
function checkSelection(selection, docLength) {
for (let range of selection.ranges)
if (range.to > docLength)
throw new RangeError("Selection points outside of document");
}
let nextID = 0;
class Facet {
constructor(
combine,
compareInput,
compare, isStatic, enables) {
this.combine = combine;
this.compareInput = compareInput;
this.compare = compare;
this.isStatic = isStatic;
this.id = nextID++;
this.default = combine([]);
this.extensions = typeof enables == "function" ? enables(this) : enables;
}
get reader() { return this; }
static define(config = {}) {
return new Facet(config.combine || ((a) => a), config.compareInput || ((a, b) => a === b), config.compare || (!config.combine ? sameArray$1 : (a, b) => a === b), !!config.static, config.enables);
}
of(value) {
return new FacetProvider([], this, 0 , value);
}
compute(deps, get) {
if (this.isStatic)
throw new Error("Can't compute a static facet");
return new FacetProvider(deps, this, 1 , get);
}
computeN(deps, get) {
if (this.isStatic)
throw new Error("Can't compute a static facet");
return new FacetProvider(deps, this, 2 , get);
}
from(field, get) {
if (!get)
get = x => x;
return this.compute([field], state => get(state.field(field)));
}
}
function sameArray$1(a, b) {
return a == b || a.length == b.length && a.every((e, i) => e === b[i]);
}
class FacetProvider {
constructor(dependencies, facet, type, value) {
this.dependencies = dependencies;
this.facet = facet;
this.type = type;
this.value = value;
this.id = nextID++;
}
dynamicSlot(addresses) {
var _a;
let getter = this.value;
let compare = this.facet.compareInput;
let id = this.id, idx = addresses[id] >> 1, multi = this.type == 2 ;
let depDoc = false, depSel = false, depAddrs = [];
for (let dep of this.dependencies) {
if (dep == "doc")
depDoc = true;
else if (dep == "selection")
depSel = true;
else if ((((_a = addresses[dep.id]) !== null && _a !== void 0 ? _a : 1) & 1) == 0)
depAddrs.push(addresses[dep.id]);
}
return {
create(state) {
state.values[idx] = getter(state);
return 1 ;
},
update(state, tr) {
if ((depDoc && tr.docChanged) || (depSel && (tr.docChanged || tr.selection)) || ensureAll(state, depAddrs)) {
let newVal = getter(state);
if (multi ? !compareArray(newVal, state.values[idx], compare) : !compare(newVal, state.values[idx])) {
state.values[idx] = newVal;
return 1 ;
}
}
return 0;
},
reconfigure: (state, oldState) => {
let newVal, oldAddr = oldState.config.address[id];
if (oldAddr != null) {
let oldVal = getAddr(oldState, oldAddr);
if (this.dependencies.every(dep => {
return dep instanceof Facet ? oldState.facet(dep) === state.facet(dep) :
dep instanceof StateField ? oldState.field(dep, false) == state.field(dep, false) : true;
}) || (multi ? compareArray(newVal = getter(state), oldVal, compare) : compare(newVal = getter(state), oldVal))) {
state.values[idx] = oldVal;
return 0;
}
}
else {
newVal = getter(state);
}
state.values[idx] = newVal;
return 1 ;
}
};
}
}
function compareArray(a, b, compare) {
if (a.length != b.length)
return false;
for (let i = 0; i < a.length; i++)
if (!compare(a[i], b[i]))
return false;
return true;
}
function ensureAll(state, addrs) {
let changed = false;
for (let addr of addrs)
if (ensureAddr(state, addr) & 1 )
changed = true;
return changed;
}
function dynamicFacetSlot(addresses, facet, providers) {
let providerAddrs = providers.map(p => addresses[p.id]);
let providerTypes = providers.map(p => p.type);
let dynamic = providerAddrs.filter(p => !(p & 1));
let idx = addresses[facet.id] >> 1;
function get(state) {
let values = [];
for (let i = 0; i < providerAddrs.length; i++) {
let value = getAddr(state, providerAddrs[i]);
if (providerTypes[i] == 2 )
for (let val of value)
values.push(val);
else
values.push(value);
}
return facet.combine(values);
}
return {
create(state) {
for (let addr of providerAddrs)
ensureAddr(state, addr);
state.values[idx] = get(state);
return 1 ;
},
update(state, tr) {
if (!ensureAll(state, dynamic))
return 0;
let value = get(state);
if (facet.compare(value, state.values[idx]))
return 0;
state.values[idx] = value;
return 1 ;
},
reconfigure(state, oldState) {
let depChanged = ensureAll(state, providerAddrs);
let oldProviders = oldState.config.facets[facet.id], oldValue = oldState.facet(facet);
if (oldProviders && !depChanged && sameArray$1(providers, oldProviders)) {
state.values[idx] = oldValue;
return 0;
}
let value = get(state);
if (facet.compare(value, oldValue)) {
state.values[idx] = oldValue;
return 0;
}
state.values[idx] = value;
return 1 ;
}
};
}
const initField = Facet.define({ static: true });
class StateField {
constructor(
id, createF, updateF, compareF,
spec) {
this.id = id;
this.createF = createF;
this.updateF = updateF;
this.compareF = compareF;
this.spec = spec;
this.provides = undefined;
}
static define(config) {
let field = new StateField(nextID++, config.create, config.update, config.compare || ((a, b) => a === b), config);
if (config.provide)
field.provides = config.provide(field);
return field;
}
create(state) {
let init = state.facet(initField).find(i => i.field == this);
return ((init === null || init === void 0 ? void 0 : init.create) || this.createF)(state);
}
slot(addresses) {
let idx = addresses[this.id] >> 1;
return {
create: (state) => {
state.values[idx] = this.create(state);
return 1 ;
},
update: (state, tr) => {
let oldVal = state.values[idx];
let value = this.updateF(oldVal, tr);
if (this.compareF(oldVal, value))
return 0;
state.values[idx] = value;
return 1 ;
},
reconfigure: (state, oldState) => {
let init = state.facet(initField), oldInit = oldState.facet(initField), reInit;
if ((reInit = init.find(i => i.field == this)) && reInit != oldInit.find(i => i.field == this)) {
state.values[idx] = reInit.create(state);
return 1 ;
}
if (oldState.config.address[this.id] != null) {
state.values[idx] = oldState.field(this);
return 0;
}
state.values[idx] = this.create(state);
return 1 ;
}
};
}
init(create) {
return [this, initField.of({ field: this, create })];
}
get extension() { return this; }
}
const Prec_ = { lowest: 4, low: 3, default: 2, high: 1, highest: 0 };
function prec(value) {
return (ext) => new PrecExtension(ext, value);
}
const Prec = {
highest: prec(Prec_.highest),
high: prec(Prec_.high),
default: prec(Prec_.default),
low: prec(Prec_.low),
lowest: prec(Prec_.lowest)
};
class PrecExtension {
constructor(inner, prec) {
this.inner = inner;
this.prec = prec;
}
}
class Compartment {
of(ext) { return new CompartmentInstance(this, ext); }
reconfigure(content) {
return Compartment.reconfigure.of({ compartment: this, extension: content });
}
get(state) {
return state.config.compartments.get(this);
}
}
class CompartmentInstance {
constructor(compartment, inner) {
this.compartment = compartment;
this.inner = inner;
}
}
class Configuration {
constructor(base, compartments, dynamicSlots, address, staticValues, facets) {
this.base = base;
this.compartments = compartments;
this.dynamicSlots = dynamicSlots;
this.address = address;
this.staticValues = staticValues;
this.facets = facets;
this.statusTemplate = [];
while (this.statusTemplate.length < dynamicSlots.length)
this.statusTemplate.push(0 );
}
staticFacet(facet) {
let addr = this.address[facet.id];
return addr == null ? facet.default : this.staticValues[addr >> 1];
}
static resolve(base, compartments, oldState) {
let fields = [];
let facets = Object.create(null);
let newCompartments = new Map();
for (let ext of flatten(base, compartments, newCompartments)) {
if (ext instanceof StateField)
fields.push(ext);
else
(facets[ext.facet.id] || (facets[ext.facet.id] = [])).push(ext);
}
let address = Object.create(null);
let staticValues = [];
let dynamicSlots = [];
for (let field of fields) {
address[field.id] = dynamicSlots.length << 1;
dynamicSlots.push(a => field.slot(a));
}
let oldFacets = oldState === null || oldState === void 0 ? void 0 : oldState.config.facets;
for (let id in facets) {
let providers = facets[id], facet = providers[0].facet;
let oldProviders = oldFacets && oldFacets[id] || [];
if (providers.every(p => p.type == 0 )) {
address[facet.id] = (staticValues.length << 1) | 1;
if (sameArray$1(oldProviders, providers)) {
staticValues.push(oldState.facet(facet));
}
else {
let value = facet.combine(providers.map(p => p.value));
staticValues.push(oldState && facet.compare(value, oldState.facet(facet)) ? oldState.facet(facet) : value);
}
}
else {
for (let p of providers) {
if (p.type == 0 ) {
address[p.id] = (staticValues.length << 1) | 1;
staticValues.push(p.value);
}
else {
address[p.id] = dynamicSlots.length << 1;
dynamicSlots.push(a => p.dynamicSlot(a));
}
}
address[facet.id] = dynamicSlots.length << 1;
dynamicSlots.push(a => dynamicFacetSlot(a, facet, providers));
}
}
let dynamic = dynamicSlots.map(f => f(address));
return new Configuration(base, newCompartments, dynamic, address, staticValues, facets);
}
}
function flatten(extension, compartments, newCompartments) {
let result = [[], [], [], [], []];
let seen = new Map();
function inner(ext, prec) {
let known = seen.get(ext);
if (known != null) {
if (known <= prec)
return;
let found = result[known].indexOf(ext);
if (found > -1)
result[known].splice(found, 1);
if (ext instanceof CompartmentInstance)
newCompartments.delete(ext.compartment);
}
seen.set(ext, prec);
if (Array.isArray(ext)) {
for (let e of ext)
inner(e, prec);
}
else if (ext instanceof CompartmentInstance) {
if (newCompartments.has(ext.compartment))
throw new RangeError(`Duplicate use of compartment in extensions`);
let content = compartments.get(ext.compartment) || ext.inner;
newCompartments.set(ext.compartment, content);
inner(content, prec);
}
else if (ext instanceof PrecExtension) {
inner(ext.inner, ext.prec);
}
else if (ext instanceof StateField) {
result[prec].push(ext);
if (ext.provides)
inner(ext.provides, prec);
}
else if (ext instanceof FacetProvider) {
result[prec].push(ext);
if (ext.facet.extensions)
inner(ext.facet.extensions, Prec_.default);
}
else {
let content = ext.extension;
if (!content)
throw new Error(`Unrecognized extension value in extension set (${ext}). This sometimes happens because multiple instances of @codemirror/state are loaded, breaking instanceof checks.`);
inner(content, prec);
}
}
inner(extension, Prec_.default);
return result.reduce((a, b) => a.concat(b));
}
function ensureAddr(state, addr) {
if (addr & 1)
return 2 ;
let idx = addr >> 1;
let status = state.status[idx];
if (status == 4 )
throw new Error("Cyclic dependency between fields and/or facets");
if (status & 2 )
return status;
state.status[idx] = 4 ;
let changed = state.computeSlot(state, state.config.dynamicSlots[idx]);
return state.status[idx] = 2 | changed;
}
function getAddr(state, addr) {
return addr & 1 ? state.config.staticValues[addr >> 1] : state.values[addr >> 1];
}
const languageData = Facet.define();
const allowMultipleSelections = Facet.define({
combine: values => values.some(v => v),
static: true
});
const lineSeparator = Facet.define({
combine: values => values.length ? values[0] : undefined,
static: true
});
const changeFilter = Facet.define();
const transactionFilter = Facet.define();
const transactionExtender = Facet.define();
const readOnly = Facet.define({
combine: values => values.length ? values[0] : false
});
class Annotation {
constructor(
type,
value) {
this.type = type;
this.value = value;
}
static define() { return new AnnotationType(); }
}
class AnnotationType {
of(value) { return new Annotation(this, value); }
}
class StateEffectType {
constructor(
map) {
this.map = map;
}
of(value) { return new StateEffect(this, value); }
}
class StateEffect {
constructor(
type,
value) {
this.type = type;
this.value = value;
}
map(mapping) {
let mapped = this.type.map(this.value, mapping);
return mapped === undefined ? undefined : mapped == this.value ? this : new StateEffect(this.type, mapped);
}
is(type) { return this.type == type; }
static define(spec = {}) {
return new StateEffectType(spec.map || (v => v));
}
static mapEffects(effects, mapping) {
if (!effects.length)
return effects;
let result = [];
for (let effect of effects) {
let mapped = effect.map(mapping);
if (mapped)
result.push(mapped);
}
return result;
}
}
StateEffect.reconfigure = StateEffect.define();
StateEffect.appendConfig = StateEffect.define();
class Transaction {
constructor(
startState,
changes,
selection,
effects,
annotations,
scrollIntoView) {
this.startState = startState;
this.changes = changes;
this.selection = selection;
this.effects = effects;
this.annotations = annotations;
this.scrollIntoView = scrollIntoView;
this._doc = null;
this._state = null;
if (selection)
checkSelection(selection, changes.newLength);
if (!annotations.some((a) => a.type == Transaction.time))
this.annotations = annotations.concat(Transaction.time.of(Date.now()));
}
static create(startState, changes, selection, effects, annotations, scrollIntoView) {
return new Transaction(startState, changes, selection, effects, annotations, scrollIntoView);
}
get newDoc() {
return this._doc || (this._doc = this.changes.apply(this.startState.doc));
}
get newSelection() {
return this.selection || this.startState.selection.map(this.changes);
}
get state() {
if (!this._state)
this.startState.applyTransaction(this);
return this._state;
}
annotation(type) {
for (let ann of this.annotations)
if (ann.type == type)
return ann.value;
return undefined;
}
get docChanged() { return !this.changes.empty; }
get reconfigured() { return this.startState.config != this.state.config; }
isUserEvent(event) {
let e = this.annotation(Transaction.userEvent);
return !!(e && (e == event || e.length > event.length && e.slice(0, event.length) == event && e[event.length] == "."));
}
}
Transaction.time = Annotation.define();
Transaction.userEvent = Annotation.define();
Transaction.addToHistory = Annotation.define();
Transaction.remote = Annotation.define();
function joinRanges(a, b) {
let result = [];
for (let iA = 0, iB = 0;;) {
let from, to;
if (iA < a.length && (iB == b.length || b[iB] >= a[iA])) {
from = a[iA++];
to = a[iA++];
}
else if (iB < b.length) {
from = b[iB++];
to = b[iB++];
}
else
return result;
if (!result.length || result[result.length - 1] < from)
result.push(from, to);
else if (result[result.length - 1] < to)
result[result.length - 1] = to;
}
}
function mergeTransaction(a, b, sequential) {
var _a;
let mapForA, mapForB, changes;
if (sequential) {
mapForA = b.changes;
mapForB = ChangeSet.empty(b.changes.length);
changes = a.changes.compose(b.changes);
}
else {
mapForA = b.changes.map(a.changes);
mapForB = a.changes.mapDesc(b.changes, true);
changes = a.changes.compose(mapForA);
}
return {
changes,
selection: b.selection ? b.selection.map(mapForB) : (_a = a.selection) === null || _a === void 0 ? void 0 : _a.map(mapForA),
effects: StateEffect.mapEffects(a.effects, mapForA).concat(StateEffect.mapEffects(b.effects, mapForB)),
annotations: a.annotations.length ? a.annotations.concat(b.annotations) : b.annotations,
scrollIntoView: a.scrollIntoView || b.scrollIntoView
};
}
function resolveTransactionInner(state, spec, docSize) {
let sel = spec.selection, annotations = asArray$1(spec.annotations);
if (spec.userEvent)
annotations = annotations.concat(Transaction.userEvent.of(spec.userEvent));
return {
changes: spec.changes instanceof ChangeSet ? spec.changes
: ChangeSet.of(spec.changes || [], docSize, state.facet(lineSeparator)),
selection: sel && (sel instanceof EditorSelection ? sel : EditorSelection.single(sel.anchor, sel.head)),
effects: asArray$1(spec.effects),
annotations,
scrollIntoView: !!spec.scrollIntoView
};
}
function resolveTransaction(state, specs, filter) {
let s = resolveTransactionInner(state, specs.length ? specs[0] : {}, state.doc.length);
if (specs.length && specs[0].filter === false)
filter = false;
for (let i = 1; i < specs.length; i++) {
if (specs[i].filter === false)
filter = false;
let seq = !!specs[i].sequential;
s = mergeTransaction(s, resolveTransactionInner(state, specs[i], seq ? s.changes.newLength : state.doc.length), seq);
}
let tr = Transaction.create(state, s.changes, s.selection, s.effects, s.annotations, s.scrollIntoView);
return extendTransaction(filter ? filterTransaction(tr) : tr);
}
function filterTransaction(tr) {
let state = tr.startState;
let result = true;
for (let filter of state.facet(changeFilter)) {
let value = filter(tr);
if (value === false) {
result = false;
break;
}
if (Array.isArray(value))
result = result === true ? value : joinRanges(result, value);
}
if (result !== true) {
let changes, back;
if (result === false) {
back = tr.changes.invertedDesc;
changes = ChangeSet.empty(state.doc.length);
}
else {
let filtered = tr.changes.filter(result);
changes = filtered.changes;
back = filtered.filtered.mapDesc(filtered.changes).invertedDesc;
}
tr = Transaction.create(state, changes, tr.selection && tr.selection.map(back), StateEffect.mapEffects(tr.effects, back), tr.annotations, tr.scrollIntoView);
}
let filters = state.facet(transactionFilter);
for (let i = filters.length - 1; i >= 0; i--) {
let filtered = filters[i](tr);
if (filtered instanceof Transaction)
tr = filtered;
else if (Array.isArray(filtered) && filtered.length == 1 && filtered[0] instanceof Transaction)
tr = filtered[0];
else
tr = resolveTransaction(state, asArray$1(filtered), false);
}
return tr;
}
function extendTransaction(tr) {
let state = tr.startState, extenders = state.facet(transactionExtender), spec = tr;
for (let i = extenders.length - 1; i >= 0; i--) {
let extension = extenders[i](tr);
if (extension && Object.keys(extension).length)
spec = mergeTransaction(spec, resolveTransactionInner(state, extension, tr.changes.newLength), true);
}
return spec == tr ? tr : Transaction.create(state, tr.changes, tr.selection, spec.effects, spec.annotations, spec.scrollIntoView);
}
const none$2 = [];
function asArray$1(value) {
return value == null ? none$2 : Array.isArray(value) ? value : [value];
}
var CharCategory = (function (CharCategory) {
CharCategory[CharCategory["Word"] = 0] = "Word";
CharCategory[CharCategory["Space"] = 1] = "Space";
CharCategory[CharCategory["Other"] = 2] = "Other";
return CharCategory})(CharCategory || (CharCategory = {}));
const nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
let wordChar;
try {
wordChar = new RegExp("[\\p{Alphabetic}\\p{Number}_]", "u");
}
catch (_) { }
function hasWordChar(str) {
if (wordChar)
return wordChar.test(str);
for (let i = 0; i < str.length; i++) {
let ch = str[i];
if (/\w/.test(ch) || ch > "\x80" && (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)))
return true;
}
return false;
}
function makeCategorizer(wordChars) {
return (char) => {
if (!/\S/.test(char))
return CharCategory.Space;
if (hasWordChar(char))
return CharCategory.Word;
for (let i = 0; i < wordChars.length; i++)
if (char.indexOf(wordChars[i]) > -1)
return CharCategory.Word;
return CharCategory.Other;
};
}
class EditorState {
constructor(
config,
doc,
selection,
values, computeSlot, tr) {
this.config = config;
this.doc = doc;
this.selection = selection;
this.values = values;
this.status = config.statusTemplate.slice();
this.computeSlot = computeSlot;
if (tr)
tr._state = this;
for (let i = 0; i < this.config.dynamicSlots.length; i++)
ensureAddr(this, i << 1);
this.computeSlot = null;
}
field(field, require = true) {
let addr = this.config.address[field.id];
if (addr == null) {
if (require)
throw new RangeError("Field is not present in this state");
return undefined;
}
ensureAddr(this, addr);
return getAddr(this, addr);
}
update(...specs) {
return resolveTransaction(this, specs, true);
}
applyTransaction(tr) {
let conf = this.config, { base, compartments } = conf;
for (let effect of tr.effects) {
if (effect.is(Compartment.reconfigure)) {
if (conf) {
compartments = new Map;
conf.compartments.forEach((val, key) => compartments.set(key, val));
conf = null;
}
compartments.set(effect.value.compartment, effect.value.extension);
}
else if (effect.is(StateEffect.reconfigure)) {
conf = null;
base = effect.value;
}
else if (effect.is(StateEffect.appendConfig)) {
conf = null;
base = asArray$1(base).concat(effect.value);
}
}
let startValues;
if (!conf) {
conf = Configuration.resolve(base, compartments, this);
let intermediateState = new EditorState(conf, this.doc, this.selection, conf.dynamicSlots.map(() => null), (state, slot) => slot.reconfigure(state, this), null);
startValues = intermediateState.values;
}
else {
startValues = tr.startState.values.slice();
}
let selection = tr.startState.facet(allowMultipleSelections) ? tr.newSelection : tr.newSelection.asSingle();
new EditorState(conf, tr.newDoc, selection, startValues, (state, slot) => slot.update(state, tr), tr);
}
replaceSelection(text) {
if (typeof text == "string")
text = this.toText(text);
return this.changeByRange(range => ({ changes: { from: range.from, to: range.to, insert: text },
range: EditorSelection.cursor(range.from + text.length) }));
}
changeByRange(f) {
let sel = this.selection;
let result1 = f(sel.ranges[0]);
let changes = this.changes(result1.changes), ranges = [result1.range];
let effects = asArray$1(result1.effects);
for (let i = 1; i < sel.ranges.length; i++) {
let result = f(sel.ranges[i]);
let newChanges = this.changes(result.changes), newMapped = newChanges.map(changes);
for (let j = 0; j < i; j++)
ranges[j] = ranges[j].map(newMapped);
let mapBy = changes.mapDesc(newChanges, true);
ranges.push(result.range.map(mapBy));
changes = changes.compose(newMapped);
effects = StateEffect.mapEffects(effects, newMapped).concat(StateEffect.mapEffects(asArray$1(result.effects), mapBy));
}
return {
changes,
selection: EditorSelection.create(ranges, sel.mainIndex),
effects
};
}
changes(spec = []) {
if (spec instanceof ChangeSet)
return spec;
return ChangeSet.of(spec, this.doc.length, this.facet(EditorState.lineSeparator));
}
toText(string) {
return Text.of(string.split(this.facet(EditorState.lineSeparator) || DefaultSplit));
}
sliceDoc(from = 0, to = this.doc.length) {
return this.doc.sliceString(from, to, this.lineBreak);
}
facet(facet) {
let addr = this.config.address[facet.id];
if (addr == null)
return facet.default;
ensureAddr(this, addr);
return getAddr(this, addr);
}
toJSON(fields) {
let result = {
doc: this.sliceDoc(),
selection: this.selection.toJSON()
};
if (fields)
for (let prop in fields) {
let value = fields[prop];
if (value instanceof StateField && this.config.address[value.id] != null)
result[prop] = value.spec.toJSON(this.field(fields[prop]), this);
}
return result;
}
static fromJSON(json, config = {}, fields) {
if (!json || typeof json.doc != "string")
throw new RangeError("Invalid JSON representation for EditorState");
let fieldInit = [];
if (fields)
for (let prop in fields) {
if (Object.prototype.hasOwnProperty.call(json, prop)) {
let field = fields[prop], value = json[prop];
fieldInit.push(field.init(state => field.spec.fromJSON(value, state)));
}
}
return EditorState.create({
doc: json.doc,
selection: EditorSelection.fromJSON(json.selection),
extensions: config.extensions ? fieldInit.concat([config.extensions]) : fieldInit
});
}
static create(config = {}) {
let configuration = Configuration.resolve(config.extensions || [], new Map);
let doc = config.doc instanceof Text ? config.doc
: Text.of((config.doc || "").split(configuration.staticFacet(EditorState.lineSeparator) || DefaultSplit));
let selection = !config.selection ? EditorSelection.single(0)
: config.selection instanceof EditorSelection ? config.selection
: EditorSelection.single(config.selection.anchor, config.selection.head);
checkSelection(selection, doc.length);
if (!configuration.staticFacet(allowMultipleSelections))
selection = selection.asSingle();
return new EditorState(configuration, doc, selection, configuration.dynamicSlots.map(() => null), (state, slot) => slot.create(state), null);
}
get tabSize() { return this.facet(EditorState.tabSize); }
get lineBreak() { return this.facet(EditorState.lineSeparator) || "\n"; }
get readOnly() { return this.facet(readOnly); }
phrase(phrase, ...insert) {
for (let map of this.facet(EditorState.phrases))
if (Object.prototype.hasOwnProperty.call(map, phrase)) {
phrase = map[phrase];
break;
}
if (insert.length)
phrase = phrase.replace(/\$(\$|\d*)/g, (m, i) => {
if (i == "$")
return "$";
let n = +(i || 1);
return !n || n > insert.length ? m : insert[n - 1];
});
return phrase;
}
languageDataAt(name, pos, side = -1) {
let values = [];
for (let provider of this.facet(languageData)) {
for (let result of provider(this, pos, side)) {
if (Object.prototype.hasOwnProperty.call(result, name))
values.push(result[name]);
}
}
return values;
}
charCategorizer(at) {
let chars = this.languageDataAt("wordChars", at);
return makeCategorizer(chars.length ? chars[0] : "");
}
wordAt(pos) {
let { text, from, length } = this.doc.lineAt(pos);
let cat = this.charCategorizer(pos);
let start = pos - from, end = pos - from;
while (start > 0) {
let prev = findClusterBreak(text, start, false);
if (cat(text.slice(prev, start)) != CharCategory.Word)
break;
start = prev;
}
while (end < length) {
let next = findClusterBreak(text, end);
if (cat(text.slice(end, next)) != CharCategory.Word)
break;
end = next;
}
return start == end ? null : EditorSelection.range(start + from, end + from);
}
}
EditorState.allowMultipleSelections = allowMultipleSelections;
EditorState.tabSize = Facet.define({
combine: values => values.length ? values[0] : 4
});
EditorState.lineSeparator = lineSeparator;
EditorState.readOnly = readOnly;
EditorState.phrases = Facet.define({
compare(a, b) {
let kA = Object.keys(a), kB = Object.keys(b);
return kA.length == kB.length && kA.every(k => a[k] == b[k]);
}
});
EditorState.languageData = languageData;
EditorState.changeFilter = changeFilter;
EditorState.transactionFilter = transactionFilter;
EditorState.transactionExtender = transactionExtender;
Compartment.reconfigure = StateEffect.define();
function combineConfig(configs, defaults,
combine = {}) {
let result = {};
for (let config of configs)
for (let key of Object.keys(config)) {
let value = config[key], current = result[key];
if (current === undefined)
result[key] = value;
else if (current === value || value === undefined) ;
else if (Object.hasOwnProperty.call(combine, key))
result[key] = combine[key](current, value);
else
throw new Error("Config merge conflict for field " + key);
}
for (let key in defaults)
if (result[key] === undefined)
result[key] = defaults[key];
return result;
}
class RangeValue {
eq(other) { return this == other; }
range(from, to = from) { return Range$1.create(from, to, this); }
}
RangeValue.prototype.startSide = RangeValue.prototype.endSide = 0;
RangeValue.prototype.point = false;
RangeValue.prototype.mapMode = MapMode.TrackDel;
function cmpVal(a, b) {
return a == b || a.constructor == b.constructor && a.eq(b);
}
let Range$1 = class Range {
constructor(
from,
to,
value) {
this.from = from;
this.to = to;
this.value = value;
}
static create(from, to, value) {
return new Range(from, to, value);
}
};
function cmpRange(a, b) {
return a.from - b.from || a.value.startSide - b.value.startSide;
}
class Chunk {
constructor(from, to, value,
maxPoint) {
this.from = from;
this.to = to;
this.value = value;
this.maxPoint = maxPoint;
}
get length() { return this.to[this.to.length - 1]; }
findIndex(pos, side, end, startAt = 0) {
let arr = end ? this.to : this.from;
for (let lo = startAt, hi = arr.length;;) {
if (lo == hi)
return lo;
let mid = (lo + hi) >> 1;
let diff = arr[mid] - pos || (end ? this.value[mid].endSide : this.value[mid].startSide) - side;
if (mid == lo)
return diff >= 0 ? lo : hi;
if (diff >= 0)
hi = mid;
else
lo = mid + 1;
}
}
between(offset, from, to, f) {
for (let i = this.findIndex(from, -1e9 , true), e = this.findIndex(to, 1000000000 , false, i); i < e; i++)
if (f(this.from[i] + offset, this.to[i] + offset, this.value[i]) === false)
return false;
}
map(offset, changes) {
let value = [], from = [], to = [], newPos = -1, maxPoint = -1;
for (let i = 0; i < this.value.length; i++) {
let val = this.value[i], curFrom = this.from[i] + offset, curTo = this.to[i] + offset, newFrom, newTo;
if (curFrom == curTo) {
let mapped = changes.mapPos(curFrom, val.startSide, val.mapMode);
if (mapped == null)
continue;
newFrom = newTo = mapped;
if (val.startSide != val.endSide) {
newTo = changes.mapPos(curFrom, val.endSide);
if (newTo < newFrom)
continue;
}
}
else {
newFrom = changes.mapPos(curFrom, val.startSide);
newTo = changes.mapPos(curTo, val.endSide);
if (newFrom > newTo || newFrom == newTo && val.startSide > 0 && val.endSide <= 0)
continue;
}
if ((newTo - newFrom || val.endSide - val.startSide) < 0)
continue;
if (newPos < 0)
newPos = newFrom;
if (val.point)
maxPoint = Math.max(maxPoint, newTo - newFrom);
value.push(val);
from.push(newFrom - newPos);
to.push(newTo - newPos);
}
return { mapped: value.length ? new Chunk(from, to, value, maxPoint) : null, pos: newPos };
}
}
class RangeSet {
constructor(
chunkPos,
chunk,
nextLayer,
maxPoint) {
this.chunkPos = chunkPos;
this.chunk = chunk;
this.nextLayer = nextLayer;
this.maxPoint = maxPoint;
}
static create(chunkPos, chunk, nextLayer, maxPoint) {
return new RangeSet(chunkPos, chunk, nextLayer, maxPoint);
}
get length() {
let last = this.chunk.length - 1;
return last < 0 ? 0 : Math.max(this.chunkEnd(last), this.nextLayer.length);
}
get size() {
if (this.isEmpty)
return 0;
let size = this.nextLayer.size;
for (let chunk of this.chunk)
size += chunk.value.length;
return size;
}
chunkEnd(index) {
return this.chunkPos[index] + this.chunk[index].length;
}
update(updateSpec) {
let { add = [], sort = false, filterFrom = 0, filterTo = this.length } = updateSpec;
let filter = updateSpec.filter;
if (add.length == 0 && !filter)
return this;
if (sort)
add = add.slice().sort(cmpRange);
if (this.isEmpty)
return add.length ? RangeSet.of(add) : this;
let cur = new LayerCursor(this, null, -1).goto(0), i = 0, spill = [];
let builder = new RangeSetBuilder();
while (cur.value || i < add.length) {
if (i < add.length && (cur.from - add[i].from || cur.startSide - add[i].value.startSide) >= 0) {
let range = add[i++];
if (!builder.addInner(range.from, range.to, range.value))
spill.push(range);
}
else if (cur.rangeIndex == 1 && cur.chunkIndex < this.chunk.length &&
(i == add.length || this.chunkEnd(cur.chunkIndex) < add[i].from) &&
(!filter || filterFrom > this.chunkEnd(cur.chunkIndex) || filterTo < this.chunkPos[cur.chunkIndex]) &&
builder.addChunk(this.chunkPos[cur.chunkIndex], this.chunk[cur.chunkIndex])) {
cur.nextChunk();
}
else {
if (!filter || filterFrom > cur.to || filterTo < cur.from || filter(cur.from, cur.to, cur.value)) {
if (!builder.addInner(cur.from, cur.to, cur.value))
spill.push(Range$1.create(cur.from, cur.to, cur.value));
}
cur.next();
}
}
return builder.finishInner(this.nextLayer.isEmpty && !spill.length ? RangeSet.empty
: this.nextLayer.update({ add: spill, filter, filterFrom, filterTo }));
}
map(changes) {
if (changes.empty || this.isEmpty)
return this;
let chunks = [], chunkPos = [], maxPoint = -1;
for (let i = 0; i < this.chunk.length; i++) {
let start = this.chunkPos[i], chunk = this.chunk[i];
let touch = changes.touchesRange(start, start + chunk.length);
if (touch === false) {
maxPoint = Math.max(maxPoint, chunk.maxPoint);
chunks.push(chunk);
chunkPos.push(changes.mapPos(start));
}
else if (touch === true) {
let { mapped, pos } = chunk.map(start, changes);
if (mapped) {
maxPoint = Math.max(maxPoint, mapped.maxPoint);
chunks.push(mapped);
chunkPos.push(pos);
}
}
}
let next = this.nextLayer.map(changes);
return chunks.length == 0 ? next : new RangeSet(chunkPos, chunks, next || RangeSet.empty, maxPoint);
}
between(from, to, f) {
if (this.isEmpty)
return;
for (let i = 0; i < this.chunk.length; i++) {
let start = this.chunkPos[i], chunk = this.chunk[i];
if (to >= start && from <= start + chunk.length &&
chunk.between(start, from - start, to - start, f) === false)
return;
}
this.nextLayer.between(from, to, f);
}
iter(from = 0) {
return HeapCursor.from([this]).goto(from);
}
get isEmpty() { return this.nextLayer == this; }
static iter(sets, from = 0) {
return HeapCursor.from(sets).goto(from);
}
static compare(oldSets, newSets,
textDiff, comparator,
minPointSize = -1) {
let a = oldSets.filter(set => set.maxPoint > 0 || !set.isEmpty && set.maxPoint >= minPointSize);
let b = newSets.filter(set => set.maxPoint > 0 || !set.isEmpty && set.maxPoint >= minPointSize);
let sharedChunks = findSharedChunks(a, b, textDiff);
let sideA = new SpanCursor(a, sharedChunks, minPointSize);
let sideB = new SpanCursor(b, sharedChunks, minPointSize);
textDiff.iterGaps((fromA, fromB, length) => compare(sideA, fromA, sideB, fromB, length, comparator));
if (textDiff.empty && textDiff.length == 0)
compare(sideA, 0, sideB, 0, 0, comparator);
}
static eq(oldSets, newSets, from = 0, to) {
if (to == null)
to = 1000000000 - 1;
let a = oldSets.filter(set => !set.isEmpty && newSets.indexOf(set) < 0);
let b = newSets.filter(set => !set.isEmpty && oldSets.indexOf(set) < 0);
if (a.length != b.length)
return false;
if (!a.length)
return true;
let sharedChunks = findSharedChunks(a, b);
let sideA = new SpanCursor(a, sharedChunks, 0).goto(from), sideB = new SpanCursor(b, sharedChunks, 0).goto(from);
for (;;) {
if (sideA.to != sideB.to ||
!sameValues(sideA.active, sideB.active) ||
sideA.point && (!sideB.point || !cmpVal(sideA.point, sideB.point)))
return false;
if (sideA.to > to)
return true;
sideA.next();
sideB.next();
}
}
static spans(sets, from, to, iterator,
minPointSize = -1) {
let cursor = new SpanCursor(sets, null, minPointSize).goto(from), pos = from;
let openRanges = cursor.openStart;
for (;;) {
let curTo = Math.min(cursor.to, to);
if (cursor.point) {
let active = cursor.activeForPoint(cursor.to);
let openCount = cursor.pointFrom < from ? active.length + 1
: cursor.point.startSide < 0 ? active.length
: Math.min(active.length, openRanges);
iterator.point(pos, curTo, cursor.point, active, openCount, cursor.pointRank);
openRanges = Math.min(cursor.openEnd(curTo), active.length);
}
else if (curTo > pos) {
iterator.span(pos, curTo, cursor.active, openRanges);
openRanges = cursor.openEnd(curTo);
}
if (cursor.to > to)
return openRanges + (cursor.point && cursor.to > to ? 1 : 0);
pos = cursor.to;
cursor.next();
}
}
static of(ranges, sort = false) {
let build = new RangeSetBuilder();
for (let range of ranges instanceof Range$1 ? [ranges] : sort ? lazySort(ranges) : ranges)
build.add(range.from, range.to, range.value);
return build.finish();
}
static join(sets) {
if (!sets.length)
return RangeSet.empty;
let result = sets[sets.length - 1];
for (let i = sets.length - 2; i >= 0; i--) {
for (let layer = sets[i]; layer != RangeSet.empty; layer = layer.nextLayer)
result = new RangeSet(layer.chunkPos, layer.chunk, result, Math.max(layer.maxPoint, result.maxPoint));
}
return result;
}
}
RangeSet.empty = new RangeSet([], [], null, -1);
function lazySort(ranges) {
if (ranges.length > 1)
for (let prev = ranges[0], i = 1; i < ranges.length; i++) {
let cur = ranges[i];
if (cmpRange(prev, cur) > 0)
return ranges.slice().sort(cmpRange);
prev = cur;
}
return ranges;
}
RangeSet.empty.nextLayer = RangeSet.empty;
class RangeSetBuilder {
finishChunk(newArrays) {
this.chunks.push(new Chunk(this.from, this.to, this.value, this.maxPoint));
this.chunkPos.push(this.chunkStart);
this.chunkStart = -1;
this.setMaxPoint = Math.max(this.setMaxPoint, this.maxPoint);
this.maxPoint = -1;
if (newArrays) {
this.from = [];
this.to = [];
this.value = [];
}
}
constructor() {
this.chunks = [];
this.chunkPos = [];
this.chunkStart = -1;
this.last = null;
this.lastFrom = -1e9 ;
this.lastTo = -1e9 ;
this.from = [];
this.to = [];
this.value = [];
this.maxPoint = -1;
this.setMaxPoint = -1;
this.nextLayer = null;
}
add(from, to, value) {
if (!this.addInner(from, to, value))
(this.nextLayer || (this.nextLayer = new RangeSetBuilder)).add(from, to, value);
}
addInner(from, to, value) {
let diff = from - this.lastTo || value.startSide - this.last.endSide;
if (diff <= 0 && (from - this.lastFrom || value.startSide - this.last.startSide) < 0)
throw new Error("Ranges must be added sorted by `from` position and `startSide`");
if (diff < 0)
return false;
if (this.from.length == 250 )
this.finishChunk(true);
if (this.chunkStart < 0)
this.chunkStart = from;
this.from.push(from - this.chunkStart);
this.to.push(to - this.chunkStart);
this.last = value;
this.lastFrom = from;
this.lastTo = to;
this.value.push(value);
if (value.point)
this.maxPoint = Math.max(this.maxPoint, to - from);
return true;
}
addChunk(from, chunk) {
if ((from - this.lastTo || chunk.value[0].startSide - this.last.endSide) < 0)
return false;
if (this.from.length)
this.finishChunk(true);
this.setMaxPoint = Math.max(this.setMaxPoint, chunk.maxPoint);
this.chunks.push(chunk);
this.chunkPos.push(from);
let last = chunk.value.length - 1;
this.last = chunk.value[last];
this.lastFrom = chunk.from[last] + from;
this.lastTo = chunk.to[last] + from;
return true;
}
finish() { return this.finishInner(RangeSet.empty); }
finishInner(next) {
if (this.from.length)
this.finishChunk(false);
if (this.chunks.length == 0)
return next;
let result = RangeSet.create(this.chunkPos, this.chunks, this.nextLayer ? this.nextLayer.finishInner(next) : next, this.setMaxPoint);
this.from = null;
return result;
}
}
function findSharedChunks(a, b, textDiff) {
let inA = new Map();
for (let set of a)
for (let i = 0; i < set.chunk.length; i++)
if (set.chunk[i].maxPoint <= 0)
inA.set(set.chunk[i], set.chunkPos[i]);
let shared = new Set();
for (let set of b)
for (let i = 0; i < set.chunk.length; i++) {
let known = inA.get(set.chunk[i]);
if (known != null && (textDiff ? textDiff.mapPos(known) : known) == set.chunkPos[i] &&
!(textDiff === null || textDiff === void 0 ? void 0 : textDiff.touchesRange(known, known + set.chunk[i].length)))
shared.add(set.chunk[i]);
}
return shared;
}
class LayerCursor {
constructor(layer, skip, minPoint, rank = 0) {
this.layer = layer;
this.skip = skip;
this.minPoint = minPoint;
this.rank = rank;
}
get startSide() { return this.value ? this.value.startSide : 0; }
get endSide() { return this.value ? this.value.endSide : 0; }
goto(pos, side = -1e9 ) {
this.chunkIndex = this.rangeIndex = 0;
this.gotoInner(pos, side, false);
return this;
}
gotoInner(pos, side, forward) {
while (this.chunkIndex < this.layer.chunk.length) {
let next = this.layer.chunk[this.chunkIndex];
if (!(this.skip && this.skip.has(next) ||
this.layer.chunkEnd(this.chunkIndex) < pos ||
next.maxPoint < this.minPoint))
break;
this.chunkIndex++;
forward = false;
}
if (this.chunkIndex < this.layer.chunk.length) {
let rangeIndex = this.layer.chunk[this.chunkIndex].findIndex(pos - this.layer.chunkPos[this.chunkIndex], side, true);
if (!forward || this.rangeIndex < rangeIndex)
this.setRangeIndex(rangeIndex);
}
this.next();
}
forward(pos, side) {
if ((this.to - pos || this.endSide - side) < 0)
this.gotoInner(pos, side, true);
}
next() {
for (;;) {
if (this.chunkIndex == this.layer.chunk.length) {
this.from = this.to = 1000000000 ;
this.value = null;
break;
}
else {
let chunkPos = this.layer.chunkPos[this.chunkIndex], chunk = this.layer.chunk[this.chunkIndex];
let from = chunkPos + chunk.from[this.rangeIndex];
this.from = from;
this.to = chunkPos + chunk.to[this.rangeIndex];
this.value = chunk.value[this.rangeIndex];
this.setRangeIndex(this.rangeIndex + 1);
if (this.minPoint < 0 || this.value.point && this.to - this.from >= this.minPoint)
break;
}
}
}
setRangeIndex(index) {
if (index == this.layer.chunk[this.chunkIndex].value.length) {
this.chunkIndex++;
if (this.skip) {
while (this.chunkIndex < this.layer.chunk.length && this.skip.has(this.layer.chunk[this.chunkIndex]))
this.chunkIndex++;
}
this.rangeIndex = 0;
}
else {
this.rangeIndex = index;
}
}
nextChunk() {
this.chunkIndex++;
this.rangeIndex = 0;
this.next();
}
compare(other) {
return this.from - other.from || this.startSide - other.startSide || this.rank - other.rank ||
this.to - other.to || this.endSide - other.endSide;
}
}
class HeapCursor {
constructor(heap) {
this.heap = heap;
}
static from(sets, skip = null, minPoint = -1) {
let heap = [];
for (let i = 0; i < sets.length; i++) {
for (let cur = sets[i]; !cur.isEmpty; cur = cur.nextLayer) {
if (cur.maxPoint >= minPoint)
heap.push(new LayerCursor(cur, skip, minPoint, i));
}
}
return heap.length == 1 ? heap[0] : new HeapCursor(heap);
}
get startSide() { return this.value ? this.value.startSide : 0; }
goto(pos, side = -1e9 ) {
for (let cur of this.heap)
cur.goto(pos, side);
for (let i = this.heap.length >> 1; i >= 0; i--)
heapBubble(this.heap, i);
this.next();
return this;
}
forward(pos, side) {
for (let cur of this.heap)
cur.forward(pos, side);
for (let i = this.heap.length >> 1; i >= 0; i--)
heapBubble(this.heap, i);
if ((this.to - pos || this.value.endSide - side) < 0)
this.next();
}
next() {
if (this.heap.length == 0) {
this.from = this.to = 1000000000 ;
this.value = null;
this.rank = -1;
}
else {
let top = this.heap[0];
this.from = top.from;
this.to = top.to;
this.value = top.value;
this.rank = top.rank;
if (top.value)
top.next();
heapBubble(this.heap, 0);
}
}
}
function heapBubble(heap, index) {
for (let cur = heap[index];;) {
let childIndex = (index << 1) + 1;
if (childIndex >= heap.length)
break;
let child = heap[childIndex];
if (childIndex + 1 < heap.length && child.compare(heap[childIndex + 1]) >= 0) {
child = heap[childIndex + 1];
childIndex++;
}
if (cur.compare(child) < 0)
break;
heap[childIndex] = cur;
heap[index] = child;
index = childIndex;
}
}
class SpanCursor {
constructor(sets, skip, minPoint) {
this.minPoint = minPoint;
this.active = [];
this.activeTo = [];
this.activeRank = [];
this.minActive = -1;
this.point = null;
this.pointFrom = 0;
this.pointRank = 0;
this.to = -1e9 ;
this.endSide = 0;
this.openStart = -1;
this.cursor = HeapCursor.from(sets, skip, minPoint);
}
goto(pos, side = -1e9 ) {
this.cursor.goto(pos, side);
this.active.length = this.activeTo.length = this.activeRank.length = 0;
this.minActive = -1;
this.to = pos;
this.endSide = side;
this.openStart = -1;
this.next();
return this;
}
forward(pos, side) {
while (this.minActive > -1 && (this.activeTo[this.minActive] - pos || this.active[this.minActive].endSide - side) < 0)
this.removeActive(this.minActive);
this.cursor.forward(pos, side);
}
removeActive(index) {
remove(this.active, index);
remove(this.activeTo, index);
remove(this.activeRank, index);
this.minActive = findMinIndex(this.active, this.activeTo);
}
addActive(trackOpen) {
let i = 0, { value, to, rank } = this.cursor;
while (i < this.activeRank.length && (rank - this.activeRank[i] || to - this.activeTo[i]) > 0)
i++;
insert(this.active, i, value);
insert(this.activeTo, i, to);
insert(this.activeRank, i, rank);
if (trackOpen)
insert(trackOpen, i, this.cursor.from);
this.minActive = findMinIndex(this.active, this.activeTo);
}
next() {
let from = this.to, wasPoint = this.point;
this.point = null;
let trackOpen = this.openStart < 0 ? [] : null;
for (;;) {
let a = this.minActive;
if (a > -1 && (this.activeTo[a] - this.cursor.from || this.active[a].endSide - this.cursor.startSide) < 0) {
if (this.activeTo[a] > from) {
this.to = this.activeTo[a];
this.endSide = this.active[a].endSide;
break;
}
this.removeActive(a);
if (trackOpen)
remove(trackOpen, a);
}
else if (!this.cursor.value) {
this.to = this.endSide = 1000000000 ;
break;
}
else if (this.cursor.from > from) {
this.to = this.cursor.from;
this.endSide = this.cursor.startSide;
break;
}
else {
let nextVal = this.cursor.value;
if (!nextVal.point) {
this.addActive(trackOpen);
this.cursor.next();
}
else if (wasPoint && this.cursor.to == this.to && this.cursor.from < this.cursor.to) {
this.cursor.next();
}
else {
this.point = nextVal;
this.pointFrom = this.cursor.from;
this.pointRank = this.cursor.rank;
this.to = this.cursor.to;
this.endSide = nextVal.endSide;
this.cursor.next();
this.forward(this.to, this.endSide);
break;
}
}
}
if (trackOpen) {
this.openStart = 0;
for (let i = trackOpen.length - 1; i >= 0 && trackOpen[i] < from; i--)
this.openStart++;
}
}
activeForPoint(to) {
if (!this.active.length)
return this.active;
let active = [];
for (let i = this.active.length - 1; i >= 0; i--) {
if (this.activeRank[i] < this.pointRank)
break;
if (this.activeTo[i] > to || this.activeTo[i] == to && this.active[i].endSide >= this.point.endSide)
active.push(this.active[i]);
}
return active.reverse();
}
openEnd(to) {
let open = 0;
for (let i = this.activeTo.length - 1; i >= 0 && this.activeTo[i] > to; i--)
open++;
return open;
}
}
function compare(a, startA, b, startB, length, comparator) {
a.goto(startA);
b.goto(startB);
let endB = startB + length;
let pos = startB, dPos = startB - startA;
let bounds = !!comparator.boundChange;
for (let boundChange = false;;) {
let dEnd = (a.to + dPos) - b.to, diff = dEnd || a.endSide - b.endSide;
let end = diff < 0 ? a.to + dPos : b.to, clipEnd = Math.min(end, endB);
let point = a.point || b.point;
if (point) {
if (!(a.point && b.point && cmpVal(a.point, b.point) &&
sameValues(a.activeForPoint(a.to), b.activeForPoint(b.to))))
comparator.comparePoint(pos, clipEnd, a.point, b.point);
boundChange = false;
}
else {
if (boundChange)
comparator.boundChange(pos);
if (clipEnd > pos && !sameValues(a.active, b.active))
comparator.compareRange(pos, clipEnd, a.active, b.active);
if (bounds && clipEnd < endB && (dEnd || a.openEnd(end) != b.openEnd(end)))
boundChange = true;
}
if (end > endB)
break;
pos = end;
if (diff <= 0)
a.next();
if (diff >= 0)
b.next();
}
}
function sameValues(a, b) {
if (a.length != b.length)
return false;
for (let i = 0; i < a.length; i++)
if (a[i] != b[i] && !cmpVal(a[i], b[i]))
return false;
return true;
}
function remove(array, index) {
for (let i = index, e = array.length - 1; i < e; i++)
array[i] = array[i + 1];
array.pop();
}
function insert(array, index, value) {
for (let i = array.length - 1; i >= index; i--)
array[i + 1] = array[i];
array[index] = value;
}
function findMinIndex(value, array) {
let found = -1, foundPos = 1000000000 ;
for (let i = 0; i < array.length; i++)
if ((array[i] - foundPos || value[i].endSide - value[found].endSide) < 0) {
found = i;
foundPos = array[i];
}
return found;
}
function countColumn(string, tabSize, to = string.length) {
let n = 0;
for (let i = 0; i < to && i < string.length;) {
if (string.charCodeAt(i) == 9) {
n += tabSize - (n % tabSize);
i++;
}
else {
n++;
i = findClusterBreak(string, i);
}
}
return n;
}
function findColumn(string, col, tabSize, strict) {
for (let i = 0, n = 0;;) {
if (n >= col)
return i;
if (i == string.length)
break;
n += string.charCodeAt(i) == 9 ? tabSize - (n % tabSize) : 1;
i = findClusterBreak(string, i);
}
return strict === true ? -1 : string.length;
}
var cmState = /*#__PURE__*/Object.freeze({
__proto__: null,
Annotation: Annotation,
AnnotationType: AnnotationType,
ChangeDesc: ChangeDesc,
ChangeSet: ChangeSet,
get CharCategory () { return CharCategory; },
Compartment: Compartment,
EditorSelection: EditorSelection,
EditorState: EditorState,
Facet: Facet,
Line: Line,
get MapMode () { return MapMode; },
Prec: Prec,
Range: Range$1,
RangeSet: RangeSet,
RangeSetBuilder: RangeSetBuilder,
RangeValue: RangeValue,
SelectionRange: SelectionRange,
StateEffect: StateEffect,
StateEffectType: StateEffectType,
StateField: StateField,
Text: Text,
Transaction: Transaction,
codePointAt: codePointAt,
codePointSize: codePointSize,
combineConfig: combineConfig,
countColumn: countColumn,
findClusterBreak: findClusterBreak,
findColumn: findColumn,
fromCodePoint: fromCodePoint
});
const C = "\u037c";
const COUNT = typeof Symbol == "undefined" ? "__" + C : Symbol.for(C);
const SET = typeof Symbol == "undefined" ? "__styleSet" + Math.floor(Math.random() * 1e8) : Symbol("styleSet");
const top = typeof globalThis != "undefined" ? globalThis : typeof window != "undefined" ? window : {};
class StyleModule {
constructor(spec, options) {
this.rules = [];
let {finish} = options || {};
function splitSelector(selector) {
return /^@/.test(selector) ? [selector] : selector.split(/,\s*/)
}
function render(selectors, spec, target, isKeyframes) {
let local = [], isAt = /^@(\w+)\b/.exec(selectors[0]), keyframes = isAt && isAt[1] == "keyframes";
if (isAt && spec == null) return target.push(selectors[0] + ";")
for (let prop in spec) {
let value = spec[prop];
if (/&/.test(prop)) {
render(prop.split(/,\s*/).map(part => selectors.map(sel => part.replace(/&/, sel))).reduce((a, b) => a.concat(b)),
value, target);
} else if (value && typeof value == "object") {
if (!isAt) throw new RangeError("The value of a property (" + prop + ") should be a primitive value.")
render(splitSelector(prop), value, local, keyframes);
} else if (value != null) {
local.push(prop.replace(/_.*/, "").replace(/[A-Z]/g, l => "-" + l.toLowerCase()) + ": " + value + ";");
}
}
if (local.length || keyframes) {
target.push((finish && !isAt && !isKeyframes ? selectors.map(finish) : selectors).join(", ") +
" {" + local.join(" ") + "}");
}
}
for (let prop in spec) render(splitSelector(prop), spec[prop], this.rules);
}
getRules() { return this.rules.join("\n") }
static newName() {
let id = top[COUNT] || 1;
top[COUNT] = id + 1;
return C + id.toString(36)
}
static mount(root, modules, options) {
let set = root[SET], nonce = options && options.nonce;
if (!set) set = new StyleSet(root, nonce);
else if (nonce) set.setNonce(nonce);
set.mount(Array.isArray(modules) ? modules : [modules], root);
}
}
let adoptedSet = new Map;
class StyleSet {
constructor(root, nonce) {
let doc = root.ownerDocument || root, win = doc.defaultView;
if (!root.head && root.adoptedStyleSheets && win.CSSStyleSheet) {
let adopted = adoptedSet.get(doc);
if (adopted) return root[SET] = adopted
this.sheet = new win.CSSStyleSheet;
adoptedSet.set(doc, this);
} else {
this.styleTag = doc.createElement("style");
if (nonce) this.styleTag.setAttribute("nonce", nonce);
}
this.modules = [];
root[SET] = this;
}
mount(modules, root) {
let sheet = this.sheet;
let pos = 0 , j = 0;
for (let i = 0; i < modules.length; i++) {
let mod = modules[i], index = this.modules.indexOf(mod);
if (index < j && index > -1) {
this.modules.splice(index, 1);
j--;
index = -1;
}
if (index == -1) {
this.modules.splice(j++, 0, mod);
if (sheet) for (let k = 0; k < mod.rules.length; k++)
sheet.insertRule(mod.rules[k], pos++);
} else {
while (j < index) pos += this.modules[j++].rules.length;
pos += mod.rules.length;
j++;
}
}
if (sheet) {
if (root.adoptedStyleSheets.indexOf(this.sheet) < 0)
root.adoptedStyleSheets = [this.sheet, ...root.adoptedStyleSheets];
} else {
let text = "";
for (let i = 0; i < this.modules.length; i++)
text += this.modules[i].getRules() + "\n";
this.styleTag.textContent = text;
let target = root.head || root;
if (this.styleTag.parentNode != target)
target.insertBefore(this.styleTag, target.firstChild);
}
}
setNonce(nonce) {
if (this.styleTag && this.styleTag.getAttribute("nonce") != nonce)
this.styleTag.setAttribute("nonce", nonce);
}
}
var base = {
8: "Backspace",
9: "Tab",
10: "Enter",
12: "NumLock",
13: "Enter",
16: "Shift",
17: "Control",
18: "Alt",
20: "CapsLock",
27: "Escape",
32: " ",
33: "PageUp",
34: "PageDown",
35: "End",
36: "Home",
37: "ArrowLeft",
38: "ArrowUp",
39: "ArrowRight",
40: "ArrowDown",
44: "PrintScreen",
45: "Insert",
46: "Delete",
59: ";",
61: "=",
91: "Meta",
92: "Meta",
106: "*",
107: "+",
108: ",",
109: "-",
110: ".",
111: "/",
144: "NumLock",
145: "ScrollLock",
160: "Shift",
161: "Shift",
162: "Control",
163: "Control",
164: "Alt",
165: "Alt",
173: "-",
186: ";",
187: "=",
188: ",",
189: "-",
190: ".",
191: "/",
192: "`",
219: "[",
220: "\\",
221: "]",
222: "'"
};
var shift = {
48: ")",
49: "!",
50: "@",
51: "#",
52: "$",
53: "%",
54: "^",
55: "&",
56: "*",
57: "(",
59: ":",
61: "+",
173: "_",
186: ":",
187: "+",
188: "<",
189: "_",
190: ">",
191: "?",
192: "~",
219: "{",
220: "|",
221: "}",
222: "\""
};
var mac = typeof navigator != "undefined" && /Mac/.test(navigator.platform);
var ie$1 = typeof navigator != "undefined" && /MSIE \d|Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(navigator.userAgent);
for (var i = 0; i < 10; i++) base[48 + i] = base[96 + i] = String(i);
for (var i = 1; i <= 24; i++) base[i + 111] = "F" + i;
for (var i = 65; i <= 90; i++) {
base[i] = String.fromCharCode(i + 32);
shift[i] = String.fromCharCode(i);
}
for (var code in base) if (!shift.hasOwnProperty(code)) shift[code] = base[code];
function keyName(event) {
var ignoreKey = mac && event.metaKey && event.shiftKey && !event.ctrlKey && !event.altKey ||
ie$1 && event.shiftKey && event.key && event.key.length == 1 ||
event.key == "Unidentified";
var name = (!ignoreKey && event.key) ||
(event.shiftKey ? shift : base)[event.keyCode] ||
event.key || "Unidentified";
if (name == "Esc") name = "Escape";
if (name == "Del") name = "Delete";
if (name == "Left") name = "ArrowLeft";
if (name == "Up") name = "ArrowUp";
if (name == "Right") name = "ArrowRight";
if (name == "Down") name = "ArrowDown";
return name
}
function crelt() {
var elt = arguments[0];
if (typeof elt == "string") elt = document.createElement(elt);
var i = 1, next = arguments[1];
if (next && typeof next == "object" && next.nodeType == null && !Array.isArray(next)) {
for (var name in next) if (Object.prototype.hasOwnProperty.call(next, name)) {
var value = next[name];
if (typeof value == "string") elt.setAttribute(name, value);
else if (value != null) elt[name] = value;
}
i++;
}
for (; i < arguments.length; i++) add(elt, arguments[i]);
return elt
}
function add(elt, child) {
if (typeof child == "string") {
elt.appendChild(document.createTextNode(child));
} else if (child == null) ; else if (child.nodeType != null) {
elt.appendChild(child);
} else if (Array.isArray(child)) {
for (var i = 0; i < child.length; i++) add(elt, child[i]);
} else {
throw new RangeError("Unsupported child node: " + child)
}
}
let nav = typeof navigator != "undefined" ? navigator : { userAgent: "", vendor: "", platform: "" };
let doc = typeof document != "undefined" ? document : { documentElement: { style: {} } };
const ie_edge = /Edge\/(\d+)/.exec(nav.userAgent);
const ie_upto10 = /MSIE \d/.test(nav.userAgent);
const ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(nav.userAgent);
const ie = !!(ie_upto10 || ie_11up || ie_edge);
const gecko = !ie && /gecko\/(\d+)/i.test(nav.userAgent);
const chrome = !ie && /Chrome\/(\d+)/.exec(nav.userAgent);
const webkit = "webkitFontSmoothing" in doc.documentElement.style;
const safari = !ie && /Apple Computer/.test(nav.vendor);
const ios = safari && (/Mobile\/\w+/.test(nav.userAgent) || nav.maxTouchPoints > 2);
var browser = {
mac: ios || /Mac/.test(nav.platform),
windows: /Win/.test(nav.platform),
linux: /Linux|X11/.test(nav.platform),
ie,
ie_version: ie_upto10 ? doc.documentMode || 6 : ie_11up ? +ie_11up[1] : ie_edge ? +ie_edge[1] : 0,
gecko,
gecko_version: gecko ? +(/Firefox\/(\d+)/.exec(nav.userAgent) || [0, 0])[1] : 0,
chrome: !!chrome,
chrome_version: chrome ? +chrome[1] : 0,
ios,
android: /Android\b/.test(nav.userAgent),
webkit_version: webkit ? +(/\bAppleWebKit\/(\d+)/.exec(nav.userAgent) || [0, 0])[1] : 0,
safari,
safari_version: safari ? +(/\bVersion\/(\d+(\.\d+)?)/.exec(nav.userAgent) || [0, 0])[1] : 0,
tabSize: doc.documentElement.style.tabSize != null ? "tab-size" : "-moz-tab-size"
};
function combineAttrs(source, target) {
for (let name in source) {
if (name == "class" && target.class)
target.class += " " + source.class;
else if (name == "style" && target.style)
target.style += ";" + source.style;
else
target[name] = source[name];
}
return target;
}
const noAttrs$1 = Object.create(null);
function attrsEq(a, b, ignore) {
if (a == b)
return true;
if (!a)
a = noAttrs$1;
if (!b)
b = noAttrs$1;
let keysA = Object.keys(a), keysB = Object.keys(b);
if (keysA.length - (0) !=
keysB.length - (0))
return false;
for (let key of keysA) {
if (key != ignore && (keysB.indexOf(key) == -1 || a[key] !== b[key]))
return false;
}
return true;
}
function setAttrs(dom, attrs) {
for (let i = dom.attributes.length - 1; i >= 0; i--) {
let name = dom.attributes[i].name;
if (attrs[name] == null)
dom.removeAttribute(name);
}
for (let name in attrs) {
let value = attrs[name];
if (name == "style")
dom.style.cssText = value;
else if (dom.getAttribute(name) != value)
dom.setAttribute(name, value);
}
}
function updateAttrs(dom, prev, attrs) {
let changed = false;
if (prev)
for (let name in prev)
if (!(attrs && name in attrs)) {
changed = true;
if (name == "style")
dom.style.cssText = "";
else
dom.removeAttribute(name);
}
if (attrs)
for (let name in attrs)
if (!(prev && prev[name] == attrs[name])) {
changed = true;
if (name == "style")
dom.style.cssText = attrs[name];
else
dom.setAttribute(name, attrs[name]);
}
return changed;
}
function getAttrs(dom) {
let attrs = Object.create(null);
for (let i = 0; i < dom.attributes.length; i++) {
let attr = dom.attributes[i];
attrs[attr.name] = attr.value;
}
return attrs;
}
class WidgetType {
eq(widget) { return false; }
updateDOM(dom, view) { return false; }
compare(other) {
return this == other || this.constructor == other.constructor && this.eq(other);
}
get estimatedHeight() { return -1; }
get lineBreaks() { return 0; }
ignoreEvent(event) { return true; }
coordsAt(dom, pos, side) { return null; }
get isHidden() { return false; }
get editable() { return false; }
destroy(dom) { }
}
var BlockType = (function (BlockType) {
BlockType[BlockType["Text"] = 0] = "Text";
BlockType[BlockType["WidgetBefore"] = 1] = "WidgetBefore";
BlockType[BlockType["WidgetAfter"] = 2] = "WidgetAfter";
BlockType[BlockType["WidgetRange"] = 3] = "WidgetRange";
return BlockType})(BlockType || (BlockType = {}));
class Decoration extends RangeValue {
constructor(
startSide,
endSide,
widget,
spec) {
super();
this.startSide = startSide;
this.endSide = endSide;
this.widget = widget;
this.spec = spec;
}
get heightRelevant() { return false; }
static mark(spec) {
return new MarkDecoration(spec);
}
static widget(spec) {
let side = Math.max(-1e4, Math.min(10000, spec.side || 0)), block = !!spec.block;
side += (block && !spec.inlineOrder)
? (side > 0 ? 300000000 : -4e8 )
: (side > 0 ? 100000000 : -1e8 );
return new PointDecoration(spec, side, side, block, spec.widget || null, false);
}
static replace(spec) {
let block = !!spec.block, startSide, endSide;
if (spec.isBlockGap) {
startSide = -5e8 ;
endSide = 400000000 ;
}
else {
let { start, end } = getInclusive(spec, block);
startSide = (start ? (block ? -3e8 : -1 ) : 500000000 ) - 1;
endSide = (end ? (block ? 200000000 : 1 ) : -6e8 ) + 1;
}
return new PointDecoration(spec, startSide, endSide, block, spec.widget || null, true);
}
static line(spec) {
return new LineDecoration(spec);
}
static set(of, sort = false) {
return RangeSet.of(of, sort);
}
hasHeight() { return this.widget ? this.widget.estimatedHeight > -1 : false; }
}
Decoration.none = RangeSet.empty;
class MarkDecoration extends Decoration {
constructor(spec) {
let { start, end } = getInclusive(spec);
super(start ? -1 : 500000000 , end ? 1 : -6e8 , null, spec);
this.tagName = spec.tagName || "span";
this.attrs = spec.class && spec.attributes ? combineAttrs(spec.attributes, { class: spec.class })
: spec.class ? { class: spec.class } : spec.attributes || noAttrs$1;
}
eq(other) {
return this == other || other instanceof MarkDecoration && this.tagName == other.tagName && attrsEq(this.attrs, other.attrs);
}
range(from, to = from) {
if (from >= to)
throw new RangeError("Mark decorations may not be empty");
return super.range(from, to);
}
}
MarkDecoration.prototype.point = false;
class LineDecoration extends Decoration {
constructor(spec) {
super(-2e8 , -2e8 , null, spec);
}
eq(other) {
return other instanceof LineDecoration &&
this.spec.class == other.spec.class &&
attrsEq(this.spec.attributes, other.spec.attributes);
}
range(from, to = from) {
if (to != from)
throw new RangeError("Line decoration ranges must be zero-length");
return super.range(from, to);
}
}
LineDecoration.prototype.mapMode = MapMode.TrackBefore;
LineDecoration.prototype.point = true;
class PointDecoration extends Decoration {
constructor(spec, startSide, endSide, block, widget, isReplace) {
super(startSide, endSide, widget, spec);
this.block = block;
this.isReplace = isReplace;
this.mapMode = !block ? MapMode.TrackDel : startSide <= 0 ? MapMode.TrackBefore : MapMode.TrackAfter;
}
get type() {
return this.startSide != this.endSide ? BlockType.WidgetRange
: this.startSide <= 0 ? BlockType.WidgetBefore : BlockType.WidgetAfter;
}
get heightRelevant() {
return this.block || !!this.widget && (this.widget.estimatedHeight >= 5 || this.widget.lineBreaks > 0);
}
eq(other) {
return other instanceof PointDecoration &&
widgetsEq(this.widget, other.widget) &&
this.block == other.block &&
this.startSide == other.startSide && this.endSide == other.endSide;
}
range(from, to = from) {
if (this.isReplace && (from > to || (from == to && this.startSide > 0 && this.endSide <= 0)))
throw new RangeError("Invalid range for replacement decoration");
if (!this.isReplace && to != from)
throw new RangeError("Widget decorations can only have zero-length ranges");
return super.range(from, to);
}
}
PointDecoration.prototype.point = true;
function getInclusive(spec, block = false) {
let { inclusiveStart: start, inclusiveEnd: end } = spec;
if (start == null)
start = spec.inclusive;
if (end == null)
end = spec.inclusive;
return { start: start !== null && start !== void 0 ? start : block, end: end !== null && end !== void 0 ? end : block };
}
function widgetsEq(a, b) {
return a == b || !!(a && b && a.compare(b));
}
function addRange(from, to, ranges, margin = 0) {
let last = ranges.length - 1;
if (last >= 0 && ranges[last] + margin >= from)
ranges[last] = Math.max(ranges[last], to);
else
ranges.push(from, to);
}
class BlockWrapper extends RangeValue {
constructor(tagName, attributes) {
super();
this.tagName = tagName;
this.attributes = attributes;
}
eq(other) {
return other == this ||
other instanceof BlockWrapper && this.tagName == other.tagName && attrsEq(this.attributes, other.attributes);
}
static create(spec) {
return new BlockWrapper(spec.tagName, spec.attributes || noAttrs$1);
}
static set(of, sort = false) {
return RangeSet.of(of, sort);
}
}
BlockWrapper.prototype.startSide = BlockWrapper.prototype.endSide = -1;
function getSelection(root) {
let target;
if (root.nodeType == 11) {
target = root.getSelection ? root : root.ownerDocument;
}
else {
target = root;
}
return target.getSelection();
}
function contains(dom, node) {
return node ? dom == node || dom.contains(node.nodeType != 1 ? node.parentNode : node) : false;
}
function hasSelection(dom, selection) {
if (!selection.anchorNode)
return false;
try {
return contains(dom, selection.anchorNode);
}
catch (_) {
return false;
}
}
function clientRectsFor(dom) {
if (dom.nodeType == 3)
return textRange(dom, 0, dom.nodeValue.length).getClientRects();
else if (dom.nodeType == 1)
return dom.getClientRects();
else
return [];
}
function isEquivalentPosition(node, off, targetNode, targetOff) {
return targetNode ? (scanFor(node, off, targetNode, targetOff, -1) ||
scanFor(node, off, targetNode, targetOff, 1)) : false;
}
function domIndex(node) {
for (var index = 0;; index++) {
node = node.previousSibling;
if (!node)
return index;
}
}
function isBlockElement(node) {
return node.nodeType == 1 && /^(DIV|P|LI|UL|OL|BLOCKQUOTE|DD|DT|H\d|SECTION|PRE)$/.test(node.nodeName);
}
function scanFor(node, off, targetNode, targetOff, dir) {
for (;;) {
if (node == targetNode && off == targetOff)
return true;
if (off == (dir < 0 ? 0 : maxOffset(node))) {
if (node.nodeName == "DIV")
return false;
let parent = node.parentNode;
if (!parent || parent.nodeType != 1)
return false;
off = domIndex(node) + (dir < 0 ? 0 : 1);
node = parent;
}
else if (node.nodeType == 1) {
node = node.childNodes[off + (dir < 0 ? -1 : 0)];
if (node.nodeType == 1 && node.contentEditable == "false")
return false;
off = dir < 0 ? maxOffset(node) : 0;
}
else {
return false;
}
}
}
function maxOffset(node) {
return node.nodeType == 3 ? node.nodeValue.length : node.childNodes.length;
}
function flattenRect(rect, left) {
let x = left ? rect.left : rect.right;
return { left: x, right: x, top: rect.top, bottom: rect.bottom };
}
function windowRect(win) {
let vp = win.visualViewport;
if (vp)
return {
left: 0, right: vp.width,
top: 0, bottom: vp.height
};
return { left: 0, right: win.innerWidth,
top: 0, bottom: win.innerHeight };
}
function getScale(elt, rect) {
let scaleX = rect.width / elt.offsetWidth;
let scaleY = rect.height / elt.offsetHeight;
if (scaleX > 0.995 && scaleX < 1.005 || !isFinite(scaleX) || Math.abs(rect.width - elt.offsetWidth) < 1)
scaleX = 1;
if (scaleY > 0.995 && scaleY < 1.005 || !isFinite(scaleY) || Math.abs(rect.height - elt.offsetHeight) < 1)
scaleY = 1;
return { scaleX, scaleY };
}
function scrollRectIntoView(dom, rect, side, x, y, xMargin, yMargin, ltr) {
let doc = dom.ownerDocument, win = doc.defaultView || window;
for (let cur = dom, stop = false; cur && !stop;) {
if (cur.nodeType == 1) {
let bounding, top = cur == doc.body;
let scaleX = 1, scaleY = 1;
if (top) {
bounding = windowRect(win);
}
else {
if (/^(fixed|sticky)$/.test(getComputedStyle(cur).position))
stop = true;
if (cur.scrollHeight <= cur.clientHeight && cur.scrollWidth <= cur.clientWidth) {
cur = cur.assignedSlot || cur.parentNode;
continue;
}
let rect = cur.getBoundingClientRect();
({ scaleX, scaleY } = getScale(cur, rect));
bounding = { left: rect.left, right: rect.left + cur.clientWidth * scaleX,
top: rect.top, bottom: rect.top + cur.clientHeight * scaleY };
}
let moveX = 0, moveY = 0;
if (y == "nearest") {
if (rect.top < bounding.top) {
moveY = rect.top - (bounding.top + yMargin);
if (side > 0 && rect.bottom > bounding.bottom + moveY)
moveY = rect.bottom - bounding.bottom + yMargin;
}
else if (rect.bottom > bounding.bottom) {
moveY = rect.bottom - bounding.bottom + yMargin;
if (side < 0 && (rect.top - moveY) < bounding.top)
moveY = rect.top - (bounding.top + yMargin);
}
}
else {
let rectHeight = rect.bottom - rect.top, boundingHeight = bounding.bottom - bounding.top;
let targetTop = y == "center" && rectHeight <= boundingHeight ? rect.top + rectHeight / 2 - boundingHeight / 2 :
y == "start" || y == "center" && side < 0 ? rect.top - yMargin :
rect.bottom - boundingHeight + yMargin;
moveY = targetTop - bounding.top;
}
if (x == "nearest") {
if (rect.left < bounding.left) {
moveX = rect.left - (bounding.left + xMargin);
if (side > 0 && rect.right > bounding.right + moveX)
moveX = rect.right - bounding.right + xMargin;
}
else if (rect.right > bounding.right) {
moveX = rect.right - bounding.right + xMargin;
if (side < 0 && rect.left < bounding.left + moveX)
moveX = rect.left - (bounding.left + xMargin);
}
}
else {
let targetLeft = x == "center" ? rect.left + (rect.right - rect.left) / 2 - (bounding.right - bounding.left) / 2 :
(x == "start") == ltr ? rect.left - xMargin :
rect.right - (bounding.right - bounding.left) + xMargin;
moveX = targetLeft - bounding.left;
}
if (moveX || moveY) {
if (top) {
win.scrollBy(moveX, moveY);
}
else {
let movedX = 0, movedY = 0;
if (moveY) {
let start = cur.scrollTop;
cur.scrollTop += moveY / scaleY;
movedY = (cur.scrollTop - start) * scaleY;
}
if (moveX) {
let start = cur.scrollLeft;
cur.scrollLeft += moveX / scaleX;
movedX = (cur.scrollLeft - start) * scaleX;
}
rect = { left: rect.left - movedX, top: rect.top - movedY,
right: rect.right - movedX, bottom: rect.bottom - movedY };
if (movedX && Math.abs(movedX - moveX) < 1)
x = "nearest";
if (movedY && Math.abs(movedY - moveY) < 1)
y = "nearest";
}
}
if (top)
break;
if (rect.top < bounding.top || rect.bottom > bounding.bottom ||
rect.left < bounding.left || rect.right > bounding.right)
rect = { left: Math.max(rect.left, bounding.left), right: Math.min(rect.right, bounding.right),
top: Math.max(rect.top, bounding.top), bottom: Math.min(rect.bottom, bounding.bottom) };
cur = cur.assignedSlot || cur.parentNode;
}
else if (cur.nodeType == 11) {
cur = cur.host;
}
else {
break;
}
}
}
function scrollableParents(dom) {
let doc = dom.ownerDocument, x, y;
for (let cur = dom.parentNode; cur;) {
if (cur == doc.body || (x && y)) {
break;
}
else if (cur.nodeType == 1) {
if (!y && cur.scrollHeight > cur.clientHeight)
y = cur;
if (!x && cur.scrollWidth > cur.clientWidth)
x = cur;
cur = cur.assignedSlot || cur.parentNode;
}
else if (cur.nodeType == 11) {
cur = cur.host;
}
else {
break;
}
}
return { x, y };
}
class DOMSelectionState {
constructor() {
this.anchorNode = null;
this.anchorOffset = 0;
this.focusNode = null;
this.focusOffset = 0;
}
eq(domSel) {
return this.anchorNode == domSel.anchorNode && this.anchorOffset == domSel.anchorOffset &&
this.focusNode == domSel.focusNode && this.focusOffset == domSel.focusOffset;
}
setRange(range) {
let { anchorNode, focusNode } = range;
this.set(anchorNode, Math.min(range.anchorOffset, anchorNode ? maxOffset(anchorNode) : 0), focusNode, Math.min(range.focusOffset, focusNode ? maxOffset(focusNode) : 0));
}
set(anchorNode, anchorOffset, focusNode, focusOffset) {
this.anchorNode = anchorNode;
this.anchorOffset = anchorOffset;
this.focusNode = focusNode;
this.focusOffset = focusOffset;
}
}
let preventScrollSupported = null;
if (browser.safari && browser.safari_version >= 26)
preventScrollSupported = false;
function focusPreventScroll(dom) {
if (dom.setActive)
return dom.setActive();
if (preventScrollSupported)
return dom.focus(preventScrollSupported);
let stack = [];
for (let cur = dom; cur; cur = cur.parentNode) {
stack.push(cur, cur.scrollTop, cur.scrollLeft);
if (cur == cur.ownerDocument)
break;
}
dom.focus(preventScrollSupported == null ? {
get preventScroll() {
preventScrollSupported = { preventScroll: true };
return true;
}
} : undefined);
if (!preventScrollSupported) {
preventScrollSupported = false;
for (let i = 0; i < stack.length;) {
let elt = stack[i++], top = stack[i++], left = stack[i++];
if (elt.scrollTop != top)
elt.scrollTop = top;
if (elt.scrollLeft != left)
elt.scrollLeft = left;
}
}
}
let scratchRange;
function textRange(node, from, to = from) {
let range = scratchRange || (scratchRange = document.createRange());
range.setEnd(node, to);
range.setStart(node, from);
return range;
}
function dispatchKey(elt, name, code, mods) {
let options = { key: name, code: name, keyCode: code, which: code, cancelable: true };
if (mods)
({ altKey: options.altKey, ctrlKey: options.ctrlKey, shiftKey: options.shiftKey, metaKey: options.metaKey } = mods);
let down = new KeyboardEvent("keydown", options);
down.synthetic = true;
elt.dispatchEvent(down);
let up = new KeyboardEvent("keyup", options);
up.synthetic = true;
elt.dispatchEvent(up);
return down.defaultPrevented || up.defaultPrevented;
}
function getRoot(node) {
while (node) {
if (node && (node.nodeType == 9 || node.nodeType == 11 && node.host))
return node;
node = node.assignedSlot || node.parentNode;
}
return null;
}
function atElementStart(doc, selection) {
let node = selection.focusNode, offset = selection.focusOffset;
if (!node || selection.anchorNode != node || selection.anchorOffset != offset)
return false;
offset = Math.min(offset, maxOffset(node));
for (;;) {
if (offset) {
if (node.nodeType != 1)
return false;
let prev = node.childNodes[offset - 1];
if (prev.contentEditable == "false")
offset--;
else {
node = prev;
offset = maxOffset(node);
}
}
else if (node == doc) {
return true;
}
else {
offset = domIndex(node);
node = node.parentNode;
}
}
}
function isScrolledToBottom(elt) {
return elt.scrollTop > Math.max(1, elt.scrollHeight - elt.clientHeight - 4);
}
function textNodeBefore(startNode, startOffset) {
for (let node = startNode, offset = startOffset;;) {
if (node.nodeType == 3 && offset > 0) {
return { node: node, offset: offset };
}
else if (node.nodeType == 1 && offset > 0) {
if (node.contentEditable == "false")
return null;
node = node.childNodes[offset - 1];
offset = maxOffset(node);
}
else if (node.parentNode && !isBlockElement(node)) {
offset = domIndex(node);
node = node.parentNode;
}
else {
return null;
}
}
}
function textNodeAfter(startNode, startOffset) {
for (let node = startNode, offset = startOffset;;) {
if (node.nodeType == 3 && offset < node.nodeValue.length) {
return { node: node, offset: offset };
}
else if (node.nodeType == 1 && offset < node.childNodes.length) {
if (node.contentEditable == "false")
return null;
node = node.childNodes[offset];
offset = 0;
}
else if (node.parentNode && !isBlockElement(node)) {
offset = domIndex(node) + 1;
node = node.parentNode;
}
else {
return null;
}
}
}
class DOMPos {
constructor(node, offset, precise = true) {
this.node = node;
this.offset = offset;
this.precise = precise;
}
static before(dom, precise) { return new DOMPos(dom.parentNode, domIndex(dom), precise); }
static after(dom, precise) { return new DOMPos(dom.parentNode, domIndex(dom) + 1, precise); }
}
var Direction = (function (Direction) {
Direction[Direction["LTR"] = 0] = "LTR";
Direction[Direction["RTL"] = 1] = "RTL";
return Direction})(Direction || (Direction = {}));
const LTR = Direction.LTR, RTL = Direction.RTL;
function dec(str) {
let result = [];
for (let i = 0; i < str.length; i++)
result.push(1 << +str[i]);
return result;
}
const LowTypes = dec("88888888888888888888888888888888888666888888787833333333337888888000000000000000000000000008888880000000000000000000000000088888888888888888888888888888888888887866668888088888663380888308888800000000000000000000000800000000000000000000000000000008");
const ArabicTypes = dec("4444448826627288999999999992222222222222222222222222222222222222222222222229999999999999999999994444444444644222822222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222999999949999999229989999223333333333");
const Brackets = Object.create(null), BracketStack = [];
for (let p of ["()", "[]", "{}"]) {
let l = p.charCodeAt(0), r = p.charCodeAt(1);
Brackets[l] = r;
Brackets[r] = -l;
}
function charType(ch) {
return ch <= 0xf7 ? LowTypes[ch] :
0x590 <= ch && ch <= 0x5f4 ? 2 :
0x600 <= ch && ch <= 0x6f9 ? ArabicTypes[ch - 0x600] :
0x6ee <= ch && ch <= 0x8ac ? 4 :
0x2000 <= ch && ch <= 0x200c ? 256 :
0xfb50 <= ch && ch <= 0xfdff ? 4 : 1 ;
}
const BidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac\ufb50-\ufdff]/;
class BidiSpan {
get dir() { return this.level % 2 ? RTL : LTR; }
constructor(
from,
to,
level) {
this.from = from;
this.to = to;
this.level = level;
}
side(end, dir) { return (this.dir == dir) == end ? this.to : this.from; }
forward(forward, dir) { return forward == (this.dir == dir); }
static find(order, index, level, assoc) {
let maybe = -1;
for (let i = 0; i < order.length; i++) {
let span = order[i];
if (span.from <= index && span.to >= index) {
if (span.level == level)
return i;
if (maybe < 0 || (assoc != 0 ? (assoc < 0 ? span.from < index : span.to > index) : order[maybe].level > span.level))
maybe = i;
}
}
if (maybe < 0)
throw new RangeError("Index out of range");
return maybe;
}
}
function isolatesEq(a, b) {
if (a.length != b.length)
return false;
for (let i = 0; i < a.length; i++) {
let iA = a[i], iB = b[i];
if (iA.from != iB.from || iA.to != iB.to || iA.direction != iB.direction || !isolatesEq(iA.inner, iB.inner))
return false;
}
return true;
}
const types = [];
function computeCharTypes(line, rFrom, rTo, isolates, outerType) {
for (let iI = 0; iI <= isolates.length; iI++) {
let from = iI ? isolates[iI - 1].to : rFrom, to = iI < isolates.length ? isolates[iI].from : rTo;
let prevType = iI ? 256 : outerType;
for (let i = from, prev = prevType, prevStrong = prevType; i < to; i++) {
let type = charType(line.charCodeAt(i));
if (type == 512 )
type = prev;
else if (type == 8 && prevStrong == 4 )
type = 16 ;
types[i] = type == 4 ? 2 : type;
if (type & 7 )
prevStrong = type;
prev = type;
}
for (let i = from, prev = prevType, prevStrong = prevType; i < to; i++) {
let type = types[i];
if (type == 128 ) {
if (i < to - 1 && prev == types[i + 1] && (prev & 24 ))
type = types[i] = prev;
else
types[i] = 256 ;
}
else if (type == 64 ) {
let end = i + 1;
while (end < to && types[end] == 64 )
end++;
let replace = (i && prev == 8 ) || (end < rTo && types[end] == 8 ) ? (prevStrong == 1 ? 1 : 8 ) : 256 ;
for (let j = i; j < end; j++)
types[j] = replace;
i = end - 1;
}
else if (type == 8 && prevStrong == 1 ) {
types[i] = 1 ;
}
prev = type;
if (type & 7 )
prevStrong = type;
}
}
}
function processBracketPairs(line, rFrom, rTo, isolates, outerType) {
let oppositeType = outerType == 1 ? 2 : 1 ;
for (let iI = 0, sI = 0, context = 0; iI <= isolates.length; iI++) {
let from = iI ? isolates[iI - 1].to : rFrom, to = iI < isolates.length ? isolates[iI].from : rTo;
for (let i = from, ch, br, type; i < to; i++) {
if (br = Brackets[ch = line.charCodeAt(i)]) {
if (br < 0) {
for (let sJ = sI - 3; sJ >= 0; sJ -= 3) {
if (BracketStack[sJ + 1] == -br) {
let flags = BracketStack[sJ + 2];
let type = (flags & 2 ) ? outerType :
!(flags & 4 ) ? 0 :
(flags & 1 ) ? oppositeType : outerType;
if (type)
types[i] = types[BracketStack[sJ]] = type;
sI = sJ;
break;
}
}
}
else if (BracketStack.length == 189 ) {
break;
}
else {
BracketStack[sI++] = i;
BracketStack[sI++] = ch;
BracketStack[sI++] = context;
}
}
else if ((type = types[i]) == 2 || type == 1 ) {
let embed = type == outerType;
context = embed ? 0 : 1 ;
for (let sJ = sI - 3; sJ >= 0; sJ -= 3) {
let cur = BracketStack[sJ + 2];
if (cur & 2 )
break;
if (embed) {
BracketStack[sJ + 2] |= 2 ;
}
else {
if (cur & 4 )
break;
BracketStack[sJ + 2] |= 4 ;
}
}
}
}
}
}
function processNeutrals(rFrom, rTo, isolates, outerType) {
for (let iI = 0, prev = outerType; iI <= isolates.length; iI++) {
let from = iI ? isolates[iI - 1].to : rFrom, to = iI < isolates.length ? isolates[iI].from : rTo;
for (let i = from; i < to;) {
let type = types[i];
if (type == 256 ) {
let end = i + 1;
for (;;) {
if (end == to) {
if (iI == isolates.length)
break;
end = isolates[iI++].to;
to = iI < isolates.length ? isolates[iI].from : rTo;
}
else if (types[end] == 256 ) {
end++;
}
else {
break;
}
}
let beforeL = prev == 1 ;
let afterL = (end < rTo ? types[end] : outerType) == 1 ;
let replace = beforeL == afterL ? (beforeL ? 1 : 2 ) : outerType;
for (let j = end, jI = iI, fromJ = jI ? isolates[jI - 1].to : rFrom; j > i;) {
if (j == fromJ) {
j = isolates[--jI].from;
fromJ = jI ? isolates[jI - 1].to : rFrom;
}
types[--j] = replace;
}
i = end;
}
else {
prev = type;
i++;
}
}
}
}
function emitSpans(line, from, to, level, baseLevel, isolates, order) {
let ourType = level % 2 ? 2 : 1 ;
if ((level % 2) == (baseLevel % 2)) {
for (let iCh = from, iI = 0; iCh < to;) {
let sameDir = true, isNum = false;
if (iI == isolates.length || iCh < isolates[iI].from) {
let next = types[iCh];
if (next != ourType) {
sameDir = false;
isNum = next == 16 ;
}
}
let recurse = !sameDir && ourType == 1 ? [] : null;
let localLevel = sameDir ? level : level + 1;
let iScan = iCh;
run: for (;;) {
if (iI < isolates.length && iScan == isolates[iI].from) {
if (isNum)
break run;
let iso = isolates[iI];
if (!sameDir)
for (let upto = iso.to, jI = iI + 1;;) {
if (upto == to)
break run;
if (jI < isolates.length && isolates[jI].from == upto)
upto = isolates[jI++].to;
else if (types[upto] == ourType)
break run;
else
break;
}
iI++;
if (recurse) {
recurse.push(iso);
}
else {
if (iso.from > iCh)
order.push(new BidiSpan(iCh, iso.from, localLevel));
let dirSwap = (iso.direction == LTR) != !(localLevel % 2);
computeSectionOrder(line, dirSwap ? level + 1 : level, baseLevel, iso.inner, iso.from, iso.to, order);
iCh = iso.to;
}
iScan = iso.to;
}
else if (iScan == to || (sameDir ? types[iScan] != ourType : types[iScan] == ourType)) {
break;
}
else {
iScan++;
}
}
if (recurse)
emitSpans(line, iCh, iScan, level + 1, baseLevel, recurse, order);
else if (iCh < iScan)
order.push(new BidiSpan(iCh, iScan, localLevel));
iCh = iScan;
}
}
else {
for (let iCh = to, iI = isolates.length; iCh > from;) {
let sameDir = true, isNum = false;
if (!iI || iCh > isolates[iI - 1].to) {
let next = types[iCh - 1];
if (next != ourType) {
sameDir = false;
isNum = next == 16 ;
}
}
let recurse = !sameDir && ourType == 1 ? [] : null;
let localLevel = sameDir ? level : level + 1;
let iScan = iCh;
run: for (;;) {
if (iI && iScan == isolates[iI - 1].to) {
if (isNum)
break run;
let iso = isolates[--iI];
if (!sameDir)
for (let upto = iso.from, jI = iI;;) {
if (upto == from)
break run;
if (jI && isolates[jI - 1].to == upto)
upto = isolates[--jI].from;
else if (types[upto - 1] == ourType)
break run;
else
break;
}
if (recurse) {
recurse.push(iso);
}
else {
if (iso.to < iCh)
order.push(new BidiSpan(iso.to, iCh, localLevel));
let dirSwap = (iso.direction == LTR) != !(localLevel % 2);
computeSectionOrder(line, dirSwap ? level + 1 : level, baseLevel, iso.inner, iso.from, iso.to, order);
iCh = iso.from;
}
iScan = iso.from;
}
else if (iScan == from || (sameDir ? types[iScan - 1] != ourType : types[iScan - 1] == ourType)) {
break;
}
else {
iScan--;
}
}
if (recurse)
emitSpans(line, iScan, iCh, level + 1, baseLevel, recurse, order);
else if (iScan < iCh)
order.push(new BidiSpan(iScan, iCh, localLevel));
iCh = iScan;
}
}
}
function computeSectionOrder(line, level, baseLevel, isolates, from, to, order) {
let outerType = (level % 2 ? 2 : 1 );
computeCharTypes(line, from, to, isolates, outerType);
processBracketPairs(line, from, to, isolates, outerType);
processNeutrals(from, to, isolates, outerType);
emitSpans(line, from, to, level, baseLevel, isolates, order);
}
function computeOrder(line, direction, isolates) {
if (!line)
return [new BidiSpan(0, 0, direction == RTL ? 1 : 0)];
if (direction == LTR && !isolates.length && !BidiRE.test(line))
return trivialOrder(line.length);
if (isolates.length)
while (line.length > types.length)
types[types.length] = 256 ;
let order = [], level = direction == LTR ? 0 : 1;
computeSectionOrder(line, level, level, isolates, 0, line.length, order);
return order;
}
function trivialOrder(length) {
return [new BidiSpan(0, length, 0)];
}
let movedOver = "";
function moveVisually(line, order, dir, start, forward) {
var _a;
let startIndex = start.head - line.from;
let spanI = BidiSpan.find(order, startIndex, (_a = start.bidiLevel) !== null && _a !== void 0 ? _a : -1, start.assoc);
let span = order[spanI], spanEnd = span.side(forward, dir);
if (startIndex == spanEnd) {
let nextI = spanI += forward ? 1 : -1;
if (nextI < 0 || nextI >= order.length)
return null;
span = order[spanI = nextI];
startIndex = span.side(!forward, dir);
spanEnd = span.side(forward, dir);
}
let nextIndex = findClusterBreak(line.text, startIndex, span.forward(forward, dir));
if (nextIndex < span.from || nextIndex > span.to)
nextIndex = spanEnd;
movedOver = line.text.slice(Math.min(startIndex, nextIndex), Math.max(startIndex, nextIndex));
let nextSpan = spanI == (forward ? order.length - 1 : 0) ? null : order[spanI + (forward ? 1 : -1)];
if (nextSpan && nextIndex == spanEnd && nextSpan.level + (forward ? 0 : 1) < span.level)
return EditorSelection.cursor(nextSpan.side(!forward, dir) + line.from, nextSpan.forward(forward, dir) ? 1 : -1, nextSpan.level);
return EditorSelection.cursor(nextIndex + line.from, span.forward(forward, dir) ? -1 : 1, span.level);
}
function autoDirection(text, from, to) {
for (let i = from; i < to; i++) {
let type = charType(text.charCodeAt(i));
if (type == 1 )
return LTR;
if (type == 2 || type == 4 )
return RTL;
}
return LTR;
}
const clickAddsSelectionRange = Facet.define();
const dragMovesSelection$1 = Facet.define();
const mouseSelectionStyle = Facet.define();
const exceptionSink = Facet.define();
const updateListener = Facet.define();
const inputHandler = Facet.define();
const focusChangeEffect = Facet.define();
const clipboardInputFilter = Facet.define();
const clipboardOutputFilter = Facet.define();
const perLineTextDirection = Facet.define({
combine: values => values.some(x => x)
});
const nativeSelectionHidden = Facet.define({
combine: values => values.some(x => x)
});
const scrollHandler = Facet.define();
class ScrollTarget {
constructor(range, y = "nearest", x = "nearest", yMargin = 5, xMargin = 5,
isSnapshot = false) {
this.range = range;
this.y = y;
this.x = x;
this.yMargin = yMargin;
this.xMargin = xMargin;
this.isSnapshot = isSnapshot;
}
map(changes) {
return changes.empty ? this :
new ScrollTarget(this.range.map(changes), this.y, this.x, this.yMargin, this.xMargin, this.isSnapshot);
}
clip(state) {
return this.range.to <= state.doc.length ? this :
new ScrollTarget(EditorSelection.cursor(state.doc.length), this.y, this.x, this.yMargin, this.xMargin, this.isSnapshot);
}
}
const scrollIntoView$1 = StateEffect.define({ map: (t, ch) => t.map(ch) });
const setEditContextFormatting = StateEffect.define();
function logException(state, exception, context) {
let handler = state.facet(exceptionSink);
if (handler.length)
handler[0](exception);
else if (window.onerror && window.onerror(String(exception), context, undefined, undefined, exception)) ;
else if (context)
console.error(context + ":", exception);
else
console.error(exception);
}
const editable = Facet.define({ combine: values => values.length ? values[0] : true });
let nextPluginID = 0;
const viewPlugin = Facet.define({
combine(plugins) {
return plugins.filter((p, i) => {
for (let j = 0; j < i; j++)
if (plugins[j].plugin == p.plugin)
return false;
return true;
});
}
});
class ViewPlugin {
constructor(
id,
create,
domEventHandlers,
domEventObservers, buildExtensions) {
this.id = id;
this.create = create;
this.domEventHandlers = domEventHandlers;
this.domEventObservers = domEventObservers;
this.baseExtensions = buildExtensions(this);
this.extension = this.baseExtensions.concat(viewPlugin.of({ plugin: this, arg: undefined }));
}
of(arg) {
return this.baseExtensions.concat(viewPlugin.of({ plugin: this, arg }));
}
static define(create, spec) {
const { eventHandlers, eventObservers, provide, decorations: deco } = spec || {};
return new ViewPlugin(nextPluginID++, create, eventHandlers, eventObservers, plugin => {
let ext = [];
if (deco)
ext.push(decorations.of(view => {
let pluginInst = view.plugin(plugin);
return pluginInst ? deco(pluginInst) : Decoration.none;
}));
if (provide)
ext.push(provide(plugin));
return ext;
});
}
static fromClass(cls, spec) {
return ViewPlugin.define((view, arg) => new cls(view, arg), spec);
}
}
class PluginInstance {
constructor(spec) {
this.spec = spec;
this.mustUpdate = null;
this.value = null;
}
get plugin() { return this.spec && this.spec.plugin; }
update(view) {
if (!this.value) {
if (this.spec) {
try {
this.value = this.spec.plugin.create(view, this.spec.arg);
}
catch (e) {
logException(view.state, e, "CodeMirror plugin crashed");
this.deactivate();
}
}
}
else if (this.mustUpdate) {
let update = this.mustUpdate;
this.mustUpdate = null;
if (this.value.update) {
try {
this.value.update(update);
}
catch (e) {
logException(update.state, e, "CodeMirror plugin crashed");
if (this.value.destroy)
try {
this.value.destroy();
}
catch (_) { }
this.deactivate();
}
}
}
return this;
}
destroy(view) {
var _a;
if ((_a = this.value) === null || _a === void 0 ? void 0 : _a.destroy) {
try {
this.value.destroy();
}
catch (e) {
logException(view.state, e, "CodeMirror plugin crashed");
}
}
}
deactivate() {
this.spec = this.value = null;
}
}
const editorAttributes = Facet.define();
const contentAttributes = Facet.define();
const decorations = Facet.define();
const blockWrappers = Facet.define();
const outerDecorations = Facet.define();
const atomicRanges = Facet.define();
const bidiIsolatedRanges = Facet.define();
function getIsolatedRanges(view, line) {
let isolates = view.state.facet(bidiIsolatedRanges);
if (!isolates.length)
return isolates;
let sets = isolates.map(i => i instanceof Function ? i(view) : i);
let result = [];
RangeSet.spans(sets, line.from, line.to, {
point() { },
span(fromDoc, toDoc, active, open) {
let from = fromDoc - line.from, to = toDoc - line.from;
let level = result;
for (let i = active.length - 1; i >= 0; i--, open--) {
let direction = active[i].spec.bidiIsolate, update;
if (direction == null)
direction = autoDirection(line.text, from, to);
if (open > 0 && level.length &&
(update = level[level.length - 1]).to == from && update.direction == direction) {
update.to = to;
level = update.inner;
}
else {
let add = { from, to, direction, inner: [] };
level.push(add);
level = add.inner;
}
}
}
});
return result;
}
const scrollMargins = Facet.define();
function getScrollMargins(view) {
let left = 0, right = 0, top = 0, bottom = 0;
for (let source of view.state.facet(scrollMargins)) {
let m = source(view);
if (m) {
if (m.left != null)
left = Math.max(left, m.left);
if (m.right != null)
right = Math.max(right, m.right);
if (m.top != null)
top = Math.max(top, m.top);
if (m.bottom != null)
bottom = Math.max(bottom, m.bottom);
}
}
return { left, right, top, bottom };
}
const styleModule = Facet.define();
class ChangedRange {
constructor(fromA, toA, fromB, toB) {
this.fromA = fromA;
this.toA = toA;
this.fromB = fromB;
this.toB = toB;
}
join(other) {
return new ChangedRange(Math.min(this.fromA, other.fromA), Math.max(this.toA, other.toA), Math.min(this.fromB, other.fromB), Math.max(this.toB, other.toB));
}
addToSet(set) {
let i = set.length, me = this;
for (; i > 0; i--) {
let range = set[i - 1];
if (range.fromA > me.toA)
continue;
if (range.toA < me.fromA)
break;
me = me.join(range);
set.splice(i - 1, 1);
}
set.splice(i, 0, me);
return set;
}
static extendWithRanges(diff, ranges) {
if (ranges.length == 0)
return diff;
let result = [];
for (let dI = 0, rI = 0, off = 0;;) {
let nextD = dI < diff.length ? diff[dI].fromB : 1e9;
let nextR = rI < ranges.length ? ranges[rI] : 1e9;
let fromB = Math.min(nextD, nextR);
if (fromB == 1e9)
break;
let fromA = fromB + off, toB = fromB, toA = fromA;
for (;;) {
if (rI < ranges.length && ranges[rI] <= toB) {
let end = ranges[rI + 1];
rI += 2;
toB = Math.max(toB, end);
for (let i = dI; i < diff.length && diff[i].fromB <= toB; i++)
off = diff[i].toA - diff[i].toB;
toA = Math.max(toA, end + off);
}
else if (dI < diff.length && diff[dI].fromB <= toB) {
let next = diff[dI++];
toB = Math.max(toB, next.toB);
toA = Math.max(toA, next.toA);
off = next.toA - next.toB;
}
else {
break;
}
}
result.push(new ChangedRange(fromA, toA, fromB, toB));
}
return result;
}
}
class ViewUpdate {
constructor(
view,
state,
transactions) {
this.view = view;
this.state = state;
this.transactions = transactions;
this.flags = 0;
this.startState = view.state;
this.changes = ChangeSet.empty(this.startState.doc.length);
for (let tr of transactions)
this.changes = this.changes.compose(tr.changes);
let changedRanges = [];
this.changes.iterChangedRanges((fromA, toA, fromB, toB) => changedRanges.push(new ChangedRange(fromA, toA, fromB, toB)));
this.changedRanges = changedRanges;
}
static create(view, state, transactions) {
return new ViewUpdate(view, state, transactions);
}
get viewportChanged() {
return (this.flags & 4 ) > 0;
}
get viewportMoved() {
return (this.flags & 8 ) > 0;
}
get heightChanged() {
return (this.flags & 2 ) > 0;
}
get geometryChanged() {
return this.docChanged || (this.flags & (16 | 2 )) > 0;
}
get focusChanged() {
return (this.flags & 1 ) > 0;
}
get docChanged() {
return !this.changes.empty;
}
get selectionSet() {
return this.transactions.some(tr => tr.selection);
}
get empty() { return this.flags == 0 && this.transactions.length == 0; }
}
const noChildren = [];
class Tile {
constructor(dom, length, flags = 0) {
this.dom = dom;
this.length = length;
this.flags = flags;
this.parent = null;
dom.cmTile = this;
}
get breakAfter() { return (this.flags & 1 ); }
get children() { return noChildren; }
isWidget() { return false; }
get isHidden() { return false; }
isComposite() { return false; }
isLine() { return false; }
isText() { return false; }
isBlock() { return false; }
get domAttrs() { return null; }
sync(track) {
this.flags |= 2 ;
if (this.flags & 4 ) {
this.flags &= -5 ;
let attrs = this.domAttrs;
if (attrs)
setAttrs(this.dom, attrs);
}
}
toString() {
return this.constructor.name + (this.children.length ? `(${this.children})` : "") + (this.breakAfter ? "#" : "");
}
destroy() { this.parent = null; }
setDOM(dom) {
this.dom = dom;
dom.cmTile = this;
}
get posAtStart() {
return this.parent ? this.parent.posBefore(this) : 0;
}
get posAtEnd() {
return this.posAtStart + this.length;
}
posBefore(tile, start = this.posAtStart) {
let pos = start;
for (let child of this.children) {
if (child == tile)
return pos;
pos += child.length + child.breakAfter;
}
throw new RangeError("Invalid child in posBefore");
}
posAfter(tile) {
return this.posBefore(tile) + tile.length;
}
covers(side) { return true; }
coordsIn(pos, side) { return null; }
domPosFor(off, side) {
let index = domIndex(this.dom);
let after = this.length ? off > 0 : side > 0;
return new DOMPos(this.parent.dom, index + (after ? 1 : 0), off == 0 || off == this.length);
}
markDirty(attrs) {
this.flags &= -3 ;
if (attrs)
this.flags |= 4 ;
if (this.parent && (this.parent.flags & 2 ))
this.parent.markDirty(false);
}
get overrideDOMText() { return null; }
get root() {
for (let t = this; t; t = t.parent)
if (t instanceof DocTile)
return t;
return null;
}
static get(dom) {
return dom.cmTile;
}
}
class CompositeTile extends Tile {
constructor(dom) {
super(dom, 0);
this._children = [];
}
isComposite() { return true; }
get children() { return this._children; }
get lastChild() { return this.children.length ? this.children[this.children.length - 1] : null; }
append(child) {
this.children.push(child);
child.parent = this;
}
sync(track) {
if (this.flags & 2 )
return;
super.sync(track);
let parent = this.dom, prev = null, next;
let tracking = (track === null || track === void 0 ? void 0 : track.node) == parent ? track : null;
let length = 0;
for (let child of this.children) {
child.sync(track);
length += child.length + child.breakAfter;
next = prev ? prev.nextSibling : parent.firstChild;
if (tracking && next != child.dom)
tracking.written = true;
if (child.dom.parentNode == parent) {
while (next && next != child.dom)
next = rm$1(next);
}
else {
parent.insertBefore(child.dom, next);
}
prev = child.dom;
}
next = prev ? prev.nextSibling : parent.firstChild;
if (tracking && next)
tracking.written = true;
while (next)
next = rm$1(next);
this.length = length;
}
}
function rm$1(dom) {
let next = dom.nextSibling;
dom.parentNode.removeChild(dom);
return next;
}
class DocTile extends CompositeTile {
constructor(view, dom) {
super(dom);
this.view = view;
}
owns(tile) {
for (; tile; tile = tile.parent)
if (tile == this)
return true;
return false;
}
isBlock() { return true; }
nearest(dom) {
for (;;) {
if (!dom)
return null;
let tile = Tile.get(dom);
if (tile && this.owns(tile))
return tile;
dom = dom.parentNode;
}
}
blockTiles(f) {
for (let stack = [], cur = this, i = 0, pos = 0;;) {
if (i == cur.children.length) {
if (!stack.length)
return;
cur = cur.parent;
if (cur.breakAfter)
pos++;
i = stack.pop();
}
else {
let next = cur.children[i++];
if (next instanceof BlockWrapperTile) {
stack.push(i);
cur = next;
i = 0;
}
else {
let end = pos + next.length;
let result = f(next, pos);
if (result !== undefined)
return result;
pos = end + next.breakAfter;
}
}
}
}
resolveBlock(pos, side) {
let before, beforeOff = -1, after, afterOff = -1;
this.blockTiles((tile, off) => {
let end = off + tile.length;
if (pos >= off && pos <= end) {
if (tile.isWidget() && side >= -1 && side <= 1) {
if (tile.flags & 32 )
return true;
if (tile.flags & 16 )
before = undefined;
}
if ((off < pos || pos == end && (side < -1 ? tile.length : tile.covers(1))) &&
(!before || !tile.isWidget() && before.isWidget())) {
before = tile;
beforeOff = pos - off;
}
if ((end > pos || pos == off && (side > 1 ? tile.length : tile.covers(-1))) &&
(!after || !tile.isWidget() && after.isWidget())) {
after = tile;
afterOff = pos - off;
}
}
});
if (!before && !after)
throw new Error("No tile at position " + pos);
return before && side < 0 || !after ? { tile: before, offset: beforeOff } : { tile: after, offset: afterOff };
}
}
class BlockWrapperTile extends CompositeTile {
constructor(dom, wrapper) {
super(dom);
this.wrapper = wrapper;
}
isBlock() { return true; }
covers(side) {
if (!this.children.length)
return false;
return side < 0 ? this.children[0].covers(-1) : this.lastChild.covers(1);
}
get domAttrs() { return this.wrapper.attributes; }
static of(wrapper, dom) {
let tile = new BlockWrapperTile(dom || document.createElement(wrapper.tagName), wrapper);
if (!dom)
tile.flags |= 4 ;
return tile;
}
}
class LineTile extends CompositeTile {
constructor(dom, attrs) {
super(dom);
this.attrs = attrs;
}
isLine() { return true; }
static start(attrs, dom, keepAttrs) {
let line = new LineTile(dom || document.createElement("div"), attrs);
if (!dom || !keepAttrs)
line.flags |= 4 ;
return line;
}
get domAttrs() { return this.attrs; }
resolveInline(pos, side, forCoords) {
let before = null, beforeOff = -1, after = null, afterOff = -1;
function scan(tile, pos) {
for (let i = 0, off = 0; i < tile.children.length && off <= pos; i++) {
let child = tile.children[i], end = off + child.length;
if (end >= pos) {
if (child.isComposite()) {
scan(child, pos - off);
}
else if ((!after || after.isHidden && (side > 0 || forCoords && onSameLine(after, child))) &&
(end > pos || (child.flags & 32 ))) {
after = child;
afterOff = pos - off;
}
else if (off < pos || (child.flags & 16 ) && !child.isHidden) {
before = child;
beforeOff = pos - off;
}
}
off = end;
}
}
scan(this, pos);
let target = ((side < 0 ? before : after) || before || after);
return target ? { tile: target, offset: target == before ? beforeOff : afterOff } : null;
}
coordsIn(pos, side) {
let found = this.resolveInline(pos, side, true);
if (!found)
return fallbackRect(this);
return found.tile.coordsIn(Math.max(0, found.offset), side);
}
domIn(pos, side) {
let found = this.resolveInline(pos, side);
if (found) {
let { tile, offset } = found;
if (this.dom.contains(tile.dom)) {
if (tile.isText())
return new DOMPos(tile.dom, Math.min(tile.dom.nodeValue.length, offset));
return tile.domPosFor(offset, tile.flags & 16 ? 1 : tile.flags & 32 ? -1 : side);
}
let parent = found.tile.parent, saw = false;
for (let ch of parent.children) {
if (saw)
return new DOMPos(ch.dom, 0);
if (ch == found.tile) {
saw = true;
}
}
}
return new DOMPos(this.dom, 0);
}
}
function fallbackRect(tile) {
let last = tile.dom.lastChild;
if (!last)
return tile.dom.getBoundingClientRect();
let rects = clientRectsFor(last);
return rects[rects.length - 1] || null;
}
function onSameLine(a, b) {
let posA = a.coordsIn(0, 1), posB = b.coordsIn(0, 1);
return posA && posB && posB.top < posA.bottom;
}
class MarkTile extends CompositeTile {
constructor(dom, mark) {
super(dom);
this.mark = mark;
}
get domAttrs() { return this.mark.attrs; }
static of(mark, dom) {
let tile = new MarkTile(dom || document.createElement(mark.tagName), mark);
if (!dom)
tile.flags |= 4 ;
return tile;
}
}
class TextTile extends Tile {
constructor(dom, text) {
super(dom, text.length);
this.text = text;
}
sync(track) {
if (this.flags & 2 )
return;
super.sync(track);
if (this.dom.nodeValue != this.text) {
if (track && track.node == this.dom)
track.written = true;
this.dom.nodeValue = this.text;
}
}
isText() { return true; }
toString() { return JSON.stringify(this.text); }
coordsIn(pos, side) {
let length = this.dom.nodeValue.length;
if (pos > length)
pos = length;
let from = pos, to = pos, flatten = 0;
if (pos == 0 && side < 0 || pos == length && side >= 0) {
if (!(browser.chrome || browser.gecko)) {
if (pos) {
from--;
flatten = 1;
}
else if (to < length) {
to++;
flatten = -1;
}
}
}
else {
if (side < 0)
from--;
else if (to < length)
to++;
}
let rects = textRange(this.dom, from, to).getClientRects();
if (!rects.length)
return null;
let rect = rects[(flatten ? flatten < 0 : side >= 0) ? 0 : rects.length - 1];
if (browser.safari && !flatten && rect.width == 0)
rect = Array.prototype.find.call(rects, r => r.width) || rect;
return flatten ? flattenRect(rect, flatten < 0) : rect || null;
}
static of(text, dom) {
let tile = new TextTile(dom || document.createTextNode(text), text);
if (!dom)
tile.flags |= 2 ;
return tile;
}
}
class WidgetTile extends Tile {
constructor(dom, length, widget, flags) {
super(dom, length, flags);
this.widget = widget;
}
isWidget() { return true; }
get isHidden() { return this.widget.isHidden; }
covers(side) {
if (this.flags & 48 )
return false;
return (this.flags & (side < 0 ? 64 : 128 )) > 0;
}
coordsIn(pos, side) { return this.coordsInWidget(pos, side, false); }
coordsInWidget(pos, side, block) {
let custom = this.widget.coordsAt(this.dom, pos, side);
if (custom)
return custom;
if (block) {
return flattenRect(this.dom.getBoundingClientRect(), this.length ? pos == 0 : side <= 0);
}
else {
let rects = this.dom.getClientRects(), rect = null;
if (!rects.length)
return null;
let fromBack = (this.flags & 16 ) ? true : (this.flags & 32 ) ? false : pos > 0;
for (let i = fromBack ? rects.length - 1 : 0;; i += (fromBack ? -1 : 1)) {
rect = rects[i];
if (pos > 0 ? i == 0 : i == rects.length - 1 || rect.top < rect.bottom)
break;
}
return flattenRect(rect, !fromBack);
}
}
get overrideDOMText() {
if (!this.length)
return Text.empty;
let { root } = this;
if (!root)
return Text.empty;
let start = this.posAtStart;
return root.view.state.doc.slice(start, start + this.length);
}
destroy() {
super.destroy();
this.widget.destroy(this.dom);
}
static of(widget, view, length, flags, dom) {
if (!dom) {
dom = widget.toDOM(view);
if (!widget.editable)
dom.contentEditable = "false";
}
return new WidgetTile(dom, length, widget, flags);
}
}
class WidgetBufferTile extends Tile {
constructor(flags) {
let img = document.createElement("img");
img.className = "cm-widgetBuffer";
img.setAttribute("aria-hidden", "true");
super(img, 0, flags);
}
get isHidden() { return true; }
get overrideDOMText() { return Text.empty; }
coordsIn(pos) { return this.dom.getBoundingClientRect(); }
}
class TilePointer {
constructor(top) {
this.index = 0;
this.beforeBreak = false;
this.parents = [];
this.tile = top;
}
advance(dist, side, walker) {
let { tile, index, beforeBreak, parents } = this;
while (dist || side > 0) {
if (!tile.isComposite()) {
if (index == tile.length) {
beforeBreak = !!tile.breakAfter;
({ tile, index } = parents.pop());
index++;
}
else if (!dist) {
break;
}
else {
let take = Math.min(dist, tile.length - index);
if (walker)
walker.skip(tile, index, index + take);
dist -= take;
index += take;
}
}
else if (beforeBreak) {
if (!dist)
break;
if (walker)
walker.break();
dist--;
beforeBreak = false;
}
else if (index == tile.children.length) {
if (!dist && !parents.length)
break;
if (walker)
walker.leave(tile);
beforeBreak = !!tile.breakAfter;
({ tile, index } = parents.pop());
index++;
}
else {
let next = tile.children[index], brk = next.breakAfter;
if ((side > 0 ? next.length <= dist : next.length < dist) &&
(!walker || walker.skip(next, 0, next.length) !== false || !next.isComposite)) {
beforeBreak = !!brk;
index++;
dist -= next.length;
}
else {
parents.push({ tile, index });
tile = next;
index = 0;
if (walker && next.isComposite())
walker.enter(next);
}
}
}
this.tile = tile;
this.index = index;
this.beforeBreak = beforeBreak;
return this;
}
get root() { return (this.parents.length ? this.parents[0].tile : this.tile); }
}
class OpenWrapper {
constructor(from, to, wrapper, rank) {
this.from = from;
this.to = to;
this.wrapper = wrapper;
this.rank = rank;
}
}
class TileBuilder {
constructor(cache, root, blockWrappers) {
this.cache = cache;
this.root = root;
this.blockWrappers = blockWrappers;
this.curLine = null;
this.lastBlock = null;
this.afterWidget = null;
this.pos = 0;
this.wrappers = [];
this.wrapperPos = 0;
}
addText(text, marks, openStart, tile) {
var _a;
this.flushBuffer();
let parent = this.ensureMarks(marks, openStart);
let prev = parent.lastChild;
if (prev && prev.isText() && !(prev.flags & 8 ) && prev.length + text.length < 512 ) {
this.cache.reused.set(prev, 2 );
let tile = parent.children[parent.children.length - 1] = new TextTile(prev.dom, prev.text + text);
tile.parent = parent;
}
else {
parent.append(tile || TextTile.of(text, (_a = this.cache.find(TextTile)) === null || _a === void 0 ? void 0 : _a.dom));
}
this.pos += text.length;
this.afterWidget = null;
}
addComposition(composition, context) {
let line = this.curLine;
if (line.dom != context.line.dom) {
line.setDOM(this.cache.reused.has(context.line) ? freeNode(context.line.dom) : context.line.dom);
this.cache.reused.set(context.line, 2 );
}
let head = line;
for (let i = context.marks.length - 1; i >= 0; i--) {
let mark = context.marks[i];
let last = head.lastChild;
if (last instanceof MarkTile && last.mark.eq(mark.mark)) {
if (last.dom != mark.dom)
last.setDOM(freeNode(mark.dom));
head = last;
}
else {
if (this.cache.reused.get(mark)) {
let tile = Tile.get(mark.dom);
if (tile)
tile.setDOM(freeNode(mark.dom));
}
let nw = MarkTile.of(mark.mark, mark.dom);
head.append(nw);
head = nw;
}
this.cache.reused.set(mark, 2 );
}
let oldTile = Tile.get(composition.text);
if (oldTile)
this.cache.reused.set(oldTile, 2 );
let text = new TextTile(composition.text, composition.text.nodeValue);
text.flags |= 8 ;
head.append(text);
}
addInlineWidget(widget, marks, openStart) {
let noSpace = this.afterWidget && (widget.flags & 48 ) &&
(this.afterWidget.flags & 48 ) == (widget.flags & 48 );
if (!noSpace)
this.flushBuffer();
let parent = this.ensureMarks(marks, openStart);
if (!noSpace && !(widget.flags & 16 ))
parent.append(this.getBuffer(1));
parent.append(widget);
this.pos += widget.length;
this.afterWidget = widget;
}
addMark(tile, marks, openStart) {
this.flushBuffer();
let parent = this.ensureMarks(marks, openStart);
parent.append(tile);
this.pos += tile.length;
this.afterWidget = null;
}
addBlockWidget(widget) {
this.getBlockPos().append(widget);
this.pos += widget.length;
this.lastBlock = widget;
this.endLine();
}
continueWidget(length) {
let widget = this.afterWidget || this.lastBlock;
widget.length += length;
this.pos += length;
}
addLineStart(attrs, dom) {
var _a;
if (!attrs)
attrs = lineBaseAttrs;
let tile = LineTile.start(attrs, dom || ((_a = this.cache.find(LineTile)) === null || _a === void 0 ? void 0 : _a.dom), !!dom);
this.getBlockPos().append(this.lastBlock = this.curLine = tile);
}
addLine(tile) {
this.getBlockPos().append(tile);
this.pos += tile.length;
this.lastBlock = tile;
this.endLine();
}
addBreak() {
this.lastBlock.flags |= 1 ;
this.endLine();
this.pos++;
}
addLineStartIfNotCovered(attrs) {
if (!this.blockPosCovered())
this.addLineStart(attrs);
}
ensureLine(attrs) {
if (!this.curLine)
this.addLineStart(attrs);
}
ensureMarks(marks, openStart) {
var _a;
let parent = this.curLine;
for (let i = marks.length - 1; i >= 0; i--) {
let mark = marks[i], last;
if (openStart > 0 && (last = parent.lastChild) && last instanceof MarkTile && last.mark.eq(mark)) {
parent = last;
openStart--;
}
else {
let tile = MarkTile.of(mark, (_a = this.cache.find(MarkTile, m => m.mark.eq(mark))) === null || _a === void 0 ? void 0 : _a.dom);
parent.append(tile);
parent = tile;
openStart = 0;
}
}
return parent;
}
endLine() {
if (this.curLine) {
this.flushBuffer();
let last = this.curLine.lastChild;
if (!last || !hasContent(this.curLine, false) ||
last.dom.nodeName != "BR" && last.isWidget() && !(browser.ios && hasContent(this.curLine, true)))
this.curLine.append(this.cache.findWidget(BreakWidget, 0, 32 ) ||
new WidgetTile(BreakWidget.toDOM(), 0, BreakWidget, 32 ));
this.curLine = this.afterWidget = null;
}
}
updateBlockWrappers() {
if (this.wrapperPos > this.pos + 10000 ) {
this.blockWrappers.goto(this.pos);
this.wrappers.length = 0;
}
for (let i = this.wrappers.length - 1; i >= 0; i--)
if (this.wrappers[i].to < this.pos)
this.wrappers.splice(i, 1);
for (let cur = this.blockWrappers; cur.value && cur.from <= this.pos; cur.next())
if (cur.to >= this.pos) {
let wrap = new OpenWrapper(cur.from, cur.to, cur.value, cur.rank), i = this.wrappers.length;
while (i > 0 && (this.wrappers[i - 1].rank - wrap.rank || this.wrappers[i - 1].to - wrap.to) < 0)
i--;
this.wrappers.splice(i, 0, wrap);
}
this.wrapperPos = this.pos;
}
getBlockPos() {
var _a;
this.updateBlockWrappers();
let parent = this.root;
for (let wrap of this.wrappers) {
let last = parent.lastChild;
if (wrap.from < this.pos && last instanceof BlockWrapperTile && last.wrapper.eq(wrap.wrapper)) {
parent = last;
}
else {
let tile = BlockWrapperTile.of(wrap.wrapper, (_a = this.cache.find(BlockWrapperTile, t => t.wrapper.eq(wrap.wrapper))) === null || _a === void 0 ? void 0 : _a.dom);
parent.append(tile);
parent = tile;
}
}
return parent;
}
blockPosCovered() {
let last = this.lastBlock;
return last != null && !last.breakAfter && (!last.isWidget() || (last.flags & (32 | 128 )) > 0);
}
getBuffer(side) {
let flags = 2 | (side < 0 ? 16 : 32 );
let found = this.cache.find(WidgetBufferTile, undefined, 1 );
if (found)
found.flags = flags;
return found || new WidgetBufferTile(flags);
}
flushBuffer() {
if (this.afterWidget && !(this.afterWidget.flags & 32 )) {
this.afterWidget.parent.append(this.getBuffer(-1));
this.afterWidget = null;
}
}
}
class TextStream {
constructor(doc) {
this.skipCount = 0;
this.text = "";
this.textOff = 0;
this.cursor = doc.iter();
}
skip(len) {
if (this.textOff + len <= this.text.length) {
this.textOff += len;
}
else {
this.skipCount += len - (this.text.length - this.textOff);
this.text = "";
this.textOff = 0;
}
}
next(maxLen) {
if (this.textOff == this.text.length) {
let { value, lineBreak, done } = this.cursor.next(this.skipCount);
this.skipCount = 0;
if (done)
throw new Error("Ran out of text content when drawing inline views");
this.text = value;
let len = this.textOff = Math.min(maxLen, value.length);
return lineBreak ? null : value.slice(0, len);
}
let end = Math.min(this.text.length, this.textOff + maxLen);
let chars = this.text.slice(this.textOff, end);
this.textOff = end;
return chars;
}
}
const buckets = [WidgetTile, LineTile, TextTile, MarkTile, WidgetBufferTile, BlockWrapperTile, DocTile];
for (let i = 0; i < buckets.length; i++)
buckets[i].bucket = i;
class TileCache {
constructor(view) {
this.view = view;
this.buckets = buckets.map(() => []);
this.index = buckets.map(() => 0);
this.reused = new Map;
}
add(tile) {
let i = tile.constructor.bucket, bucket = this.buckets[i];
if (bucket.length < 6 )
bucket.push(tile);
else
bucket[this.index[i] = (this.index[i] + 1) % 6 ] = tile;
}
find(cls, test, type = 2 ) {
let i = cls.bucket;
let bucket = this.buckets[i], off = this.index[i];
for (let j = bucket.length - 1; j >= 0; j--) {
let index = (j + off) % bucket.length, tile = bucket[index];
if ((!test || test(tile)) && !this.reused.has(tile)) {
bucket.splice(index, 1);
if (index < off)
this.index[i]--;
this.reused.set(tile, type);
return tile;
}
}
return null;
}
findWidget(widget, length, flags) {
let widgets = this.buckets[0];
if (widgets.length)
for (let i = 0, pass = 0;; i++) {
if (i == widgets.length) {
if (pass)
return null;
pass = 1;
i = 0;
}
let tile = widgets[i];
if (!this.reused.has(tile) &&
(pass == 0 ? tile.widget.compare(widget)
: tile.widget.constructor == widget.constructor && widget.updateDOM(tile.dom, this.view))) {
widgets.splice(i, 1);
if (i < this.index[0])
this.index[0]--;
if (tile.widget == widget && tile.length == length && (tile.flags & (496 | 1 )) == flags) {
this.reused.set(tile, 1 );
return tile;
}
else {
this.reused.set(tile, 2 );
return new WidgetTile(tile.dom, length, widget, (tile.flags & -498) | flags);
}
}
}
}
reuse(tile) {
this.reused.set(tile, 1 );
return tile;
}
maybeReuse(tile, type = 2 ) {
if (this.reused.has(tile))
return undefined;
this.reused.set(tile, type);
return tile.dom;
}
clear() {
for (let i = 0; i < this.buckets.length; i++)
this.buckets[i].length = this.index[i] = 0;
}
}
class TileUpdate {
constructor(view, old, blockWrappers, decorations, disallowBlockEffectsFor) {
this.view = view;
this.decorations = decorations;
this.disallowBlockEffectsFor = disallowBlockEffectsFor;
this.openWidget = false;
this.openMarks = 0;
this.cache = new TileCache(view);
this.text = new TextStream(view.state.doc);
this.builder = new TileBuilder(this.cache, new DocTile(view, view.contentDOM), RangeSet.iter(blockWrappers));
this.cache.reused.set(old, 2 );
this.old = new TilePointer(old);
this.reuseWalker = {
skip: (tile, from, to) => {
this.cache.add(tile);
if (tile.isComposite())
return false;
},
enter: tile => this.cache.add(tile),
leave: () => { },
break: () => { }
};
}
run(changes, composition) {
let compositionContext = composition && this.getCompositionContext(composition.text);
for (let posA = 0, posB = 0, i = 0;;) {
let next = i < changes.length ? changes[i++] : null;
let skipA = next ? next.fromA : this.old.root.length;
if (skipA > posA) {
let len = skipA - posA;
this.preserve(len, !i, !next);
posA = skipA;
posB += len;
}
if (!next)
break;
if (composition && next.fromA <= composition.range.fromA && next.toA >= composition.range.toA) {
this.forward(next.fromA, composition.range.fromA, composition.range.fromA < composition.range.toA ? 1 : -1);
this.emit(posB, composition.range.fromB);
this.cache.clear();
this.builder.addComposition(composition, compositionContext);
this.text.skip(composition.range.toB - composition.range.fromB);
this.forward(composition.range.fromA, next.toA);
this.emit(composition.range.toB, next.toB);
}
else {
this.forward(next.fromA, next.toA);
this.emit(posB, next.toB);
}
posB = next.toB;
posA = next.toA;
}
if (this.builder.curLine)
this.builder.endLine();
return this.builder.root;
}
preserve(length, incStart, incEnd) {
let activeMarks = getMarks(this.old), openMarks = this.openMarks;
this.old.advance(length, incEnd ? 1 : -1, {
skip: (tile, from, to) => {
if (tile.isWidget()) {
if (this.openWidget) {
this.builder.continueWidget(to - from);
}
else {
let widget = to > 0 || from < tile.length
? WidgetTile.of(tile.widget, this.view, to - from, tile.flags & 496 , this.cache.maybeReuse(tile))
: this.cache.reuse(tile);
if (widget.flags & 256 ) {
widget.flags &= -2 ;
this.builder.addBlockWidget(widget);
}
else {
this.builder.ensureLine(null);
this.builder.addInlineWidget(widget, activeMarks, openMarks);
openMarks = activeMarks.length;
}
}
}
else if (tile.isText()) {
this.builder.ensureLine(null);
if (!from && to == tile.length) {
this.builder.addText(tile.text, activeMarks, openMarks, this.cache.reuse(tile));
}
else {
this.cache.add(tile);
this.builder.addText(tile.text.slice(from, to), activeMarks, openMarks);
}
openMarks = activeMarks.length;
}
else if (tile.isLine()) {
tile.flags &= -2 ;
this.cache.reused.set(tile, 1 );
this.builder.addLine(tile);
}
else if (tile instanceof WidgetBufferTile) {
this.cache.add(tile);
}
else if (tile instanceof MarkTile) {
this.builder.ensureLine(null);
this.builder.addMark(tile, activeMarks, openMarks);
this.cache.reused.set(tile, 1 );
openMarks = activeMarks.length;
}
else {
return false;
}
this.openWidget = false;
},
enter: (tile) => {
if (tile.isLine()) {
this.builder.addLineStart(tile.attrs, this.cache.maybeReuse(tile));
}
else {
this.cache.add(tile);
if (tile instanceof MarkTile)
activeMarks.unshift(tile.mark);
}
this.openWidget = false;
},
leave: (tile) => {
if (tile.isLine()) {
if (activeMarks.length)
activeMarks.length = openMarks = 0;
}
else if (tile instanceof MarkTile) {
activeMarks.shift();
openMarks = Math.min(openMarks, activeMarks.length);
}
},
break: () => {
this.builder.addBreak();
this.openWidget = false;
},
});
this.text.skip(length);
}
emit(from, to) {
let pendingLineAttrs = null;
let b = this.builder, markCount = 0;
let openEnd = RangeSet.spans(this.decorations, from, to, {
point: (from, to, deco, active, openStart, index) => {
if (deco instanceof PointDecoration) {
if (this.disallowBlockEffectsFor[index]) {
if (deco.block)
throw new RangeError("Block decorations may not be specified via plugins");
if (to > this.view.state.doc.lineAt(from).to)
throw new RangeError("Decorations that replace line breaks may not be specified via plugins");
}
markCount = active.length;
if (openStart > active.length) {
b.continueWidget(to - from);
}
else {
let widget = deco.widget || (deco.block ? NullWidget.block : NullWidget.inline);
let flags = widgetFlags(deco);
let tile = this.cache.findWidget(widget, to - from, flags) || WidgetTile.of(widget, this.view, to - from, flags);
if (deco.block) {
if (deco.startSide > 0)
b.addLineStartIfNotCovered(pendingLineAttrs);
b.addBlockWidget(tile);
}
else {
b.ensureLine(pendingLineAttrs);
b.addInlineWidget(tile, active, openStart);
}
}
pendingLineAttrs = null;
}
else {
pendingLineAttrs = addLineDeco(pendingLineAttrs, deco);
}
if (to > from)
this.text.skip(to - from);
},
span: (from, to, active, openStart) => {
for (let pos = from; pos < to;) {
let chars = this.text.next(Math.min(512 , to - pos));
if (chars == null) {
b.addLineStartIfNotCovered(pendingLineAttrs);
b.addBreak();
pos++;
}
else {
b.ensureLine(pendingLineAttrs);
b.addText(chars, active, pos == from ? openStart : active.length);
pos += chars.length;
}
pendingLineAttrs = null;
}
}
});
b.addLineStartIfNotCovered(pendingLineAttrs);
this.openWidget = openEnd > markCount;
this.openMarks = openEnd;
}
forward(from, to, side = 1) {
if (to - from <= 10) {
this.old.advance(to - from, side, this.reuseWalker);
}
else {
this.old.advance(5, -1, this.reuseWalker);
this.old.advance(to - from - 10, -1);
this.old.advance(5, side, this.reuseWalker);
}
}
getCompositionContext(text) {
let marks = [], line = null;
for (let parent = text.parentNode;; parent = parent.parentNode) {
let tile = Tile.get(parent);
if (parent == this.view.contentDOM)
break;
if (tile instanceof MarkTile)
marks.push(tile);
else if (tile === null || tile === void 0 ? void 0 : tile.isLine())
line = tile;
else if (parent.nodeName == "DIV" && !line && parent != this.view.contentDOM)
line = new LineTile(parent, lineBaseAttrs);
else
marks.push(MarkTile.of(new MarkDecoration({ tagName: parent.nodeName.toLowerCase(), attributes: getAttrs(parent) }), parent));
}
return { line: line, marks };
}
}
function hasContent(tile, requireText) {
let scan = (tile) => {
for (let ch of tile.children)
if ((requireText ? ch.isText() : ch.length) || scan(ch))
return true;
return false;
};
return scan(tile);
}
function widgetFlags(deco) {
let flags = deco.isReplace ? (deco.startSide < 0 ? 64 : 0) | (deco.endSide > 0 ? 128 : 0)
: (deco.startSide > 0 ? 32 : 16 );
if (deco.block)
flags |= 256 ;
return flags;
}
const lineBaseAttrs = { class: "cm-line" };
function addLineDeco(value, deco) {
let attrs = deco.spec.attributes, cls = deco.spec.class;
if (!attrs && !cls)
return value;
if (!value)
value = { class: "cm-line" };
if (attrs)
combineAttrs(attrs, value);
if (cls)
value.class += " " + cls;
return value;
}
function getMarks(ptr) {
let found = [];
for (let i = ptr.parents.length; i > 1; i--) {
let tile = i == ptr.parents.length ? ptr.tile : ptr.parents[i].tile;
if (tile instanceof MarkTile)
found.push(tile.mark);
}
return found;
}
function freeNode(node) {
let tile = Tile.get(node);
if (tile)
tile.setDOM(node.cloneNode());
return node;
}
class NullWidget extends WidgetType {
constructor(tag) {
super();
this.tag = tag;
}
eq(other) { return other.tag == this.tag; }
toDOM() { return document.createElement(this.tag); }
updateDOM(elt) { return elt.nodeName.toLowerCase() == this.tag; }
get isHidden() { return true; }
}
NullWidget.inline = new NullWidget("span");
NullWidget.block = new NullWidget("div");
const BreakWidget = new class extends WidgetType {
toDOM() { return document.createElement("br"); }
get isHidden() { return true; }
get editable() { return true; }
};
class DocView {
constructor(view) {
this.view = view;
this.decorations = [];
this.blockWrappers = [];
this.dynamicDecorationMap = [false];
this.domChanged = null;
this.hasComposition = null;
this.editContextFormatting = Decoration.none;
this.lastCompositionAfterCursor = false;
this.minWidth = 0;
this.minWidthFrom = 0;
this.minWidthTo = 0;
this.impreciseAnchor = null;
this.impreciseHead = null;
this.forceSelection = false;
this.lastUpdate = Date.now();
this.updateDeco();
this.tile = new DocTile(view, view.contentDOM);
this.updateInner([new ChangedRange(0, 0, 0, view.state.doc.length)], null);
}
update(update) {
var _a;
let changedRanges = update.changedRanges;
if (this.minWidth > 0 && changedRanges.length) {
if (!changedRanges.every(({ fromA, toA }) => toA < this.minWidthFrom || fromA > this.minWidthTo)) {
this.minWidth = this.minWidthFrom = this.minWidthTo = 0;
}
else {
this.minWidthFrom = update.changes.mapPos(this.minWidthFrom, 1);
this.minWidthTo = update.changes.mapPos(this.minWidthTo, 1);
}
}
this.updateEditContextFormatting(update);
let readCompositionAt = -1;
if (this.view.inputState.composing >= 0 && !this.view.observer.editContext) {
if ((_a = this.domChanged) === null || _a === void 0 ? void 0 : _a.newSel)
readCompositionAt = this.domChanged.newSel.head;
else if (!touchesComposition(update.changes, this.hasComposition) && !update.selectionSet)
readCompositionAt = update.state.selection.main.head;
}
let composition = readCompositionAt > -1 ? findCompositionRange(this.view, update.changes, readCompositionAt) : null;
this.domChanged = null;
if (this.hasComposition) {
let { from, to } = this.hasComposition;
changedRanges = new ChangedRange(from, to, update.changes.mapPos(from, -1), update.changes.mapPos(to, 1))
.addToSet(changedRanges.slice());
}
this.hasComposition = composition ? { from: composition.range.fromB, to: composition.range.toB } : null;
if ((browser.ie || browser.chrome) && !composition && update &&
update.state.doc.lines != update.startState.doc.lines)
this.forceSelection = true;
let prevDeco = this.decorations, prevWrappers = this.blockWrappers;
this.updateDeco();
let decoDiff = findChangedDeco(prevDeco, this.decorations, update.changes);
if (decoDiff.length)
changedRanges = ChangedRange.extendWithRanges(changedRanges, decoDiff);
let blockDiff = findChangedWrappers(prevWrappers, this.blockWrappers, update.changes);
if (blockDiff.length)
changedRanges = ChangedRange.extendWithRanges(changedRanges, blockDiff);
if (composition && !changedRanges.some(r => r.fromA <= composition.range.fromA && r.toA >= composition.range.toA))
changedRanges = composition.range.addToSet(changedRanges.slice());
if ((this.tile.flags & 2 ) && changedRanges.length == 0) {
return false;
}
else {
this.updateInner(changedRanges, composition);
if (update.transactions.length)
this.lastUpdate = Date.now();
return true;
}
}
updateInner(changes, composition) {
this.view.viewState.mustMeasureContent = true;
let { observer } = this.view;
observer.ignore(() => {
if (composition || changes.length) {
let oldTile = this.tile;
let builder = new TileUpdate(this.view, oldTile, this.blockWrappers, this.decorations, this.dynamicDecorationMap);
this.tile = builder.run(changes, composition);
destroyDropped(oldTile, builder.cache.reused);
}
this.tile.dom.style.height = this.view.viewState.contentHeight / this.view.scaleY + "px";
this.tile.dom.style.flexBasis = this.minWidth ? this.minWidth + "px" : "";
let track = browser.chrome || browser.ios ? { node: observer.selectionRange.focusNode, written: false } : undefined;
this.tile.sync(track);
if (track && (track.written || observer.selectionRange.focusNode != track.node || !this.tile.dom.contains(track.node)))
this.forceSelection = true;
this.tile.dom.style.height = "";
});
let gaps = [];
if (this.view.viewport.from || this.view.viewport.to < this.view.state.doc.length)
for (let child of this.tile.children)
if (child.isWidget() && child.widget instanceof BlockGapWidget)
gaps.push(child.dom);
observer.updateGaps(gaps);
}
updateEditContextFormatting(update) {
this.editContextFormatting = this.editContextFormatting.map(update.changes);
for (let tr of update.transactions)
for (let effect of tr.effects)
if (effect.is(setEditContextFormatting)) {
this.editContextFormatting = effect.value;
}
}
updateSelection(mustRead = false, fromPointer = false) {
if (mustRead || !this.view.observer.selectionRange.focusNode)
this.view.observer.readSelectionRange();
let { dom } = this.tile;
let activeElt = this.view.root.activeElement, focused = activeElt == dom;
let selectionNotFocus = !focused && !(this.view.state.facet(editable) || dom.tabIndex > -1) &&
hasSelection(dom, this.view.observer.selectionRange) && !(activeElt && dom.contains(activeElt));
if (!(focused || fromPointer || selectionNotFocus))
return;
let force = this.forceSelection;
this.forceSelection = false;
let main = this.view.state.selection.main, anchor, head;
if (main.empty) {
head = anchor = this.inlineDOMNearPos(main.anchor, main.assoc || 1);
}
else {
head = this.inlineDOMNearPos(main.head, main.head == main.from ? 1 : -1);
anchor = this.inlineDOMNearPos(main.anchor, main.anchor == main.from ? 1 : -1);
}
if (browser.gecko && main.empty && !this.hasComposition && betweenUneditable(anchor)) {
let dummy = document.createTextNode("");
this.view.observer.ignore(() => anchor.node.insertBefore(dummy, anchor.node.childNodes[anchor.offset] || null));
anchor = head = new DOMPos(dummy, 0);
force = true;
}
let domSel = this.view.observer.selectionRange;
if (force || !domSel.focusNode || (!isEquivalentPosition(anchor.node, anchor.offset, domSel.anchorNode, domSel.anchorOffset) ||
!isEquivalentPosition(head.node, head.offset, domSel.focusNode, domSel.focusOffset)) && !this.suppressWidgetCursorChange(domSel, main)) {
this.view.observer.ignore(() => {
if (browser.android && browser.chrome && dom.contains(domSel.focusNode) &&
inUneditable(domSel.focusNode, dom)) {
dom.blur();
dom.focus({ preventScroll: true });
}
let rawSel = getSelection(this.view.root);
if (!rawSel) ;
else if (main.empty) {
if (browser.gecko) {
let nextTo = nextToUneditable(anchor.node, anchor.offset);
if (nextTo && nextTo != (1 | 2 )) {
let text = (nextTo == 1 ? textNodeBefore : textNodeAfter)(anchor.node, anchor.offset);
if (text)
anchor = new DOMPos(text.node, text.offset);
}
}
rawSel.collapse(anchor.node, anchor.offset);
if (main.bidiLevel != null && rawSel.caretBidiLevel !== undefined)
rawSel.caretBidiLevel = main.bidiLevel;
}
else if (rawSel.extend) {
rawSel.collapse(anchor.node, anchor.offset);
try {
rawSel.extend(head.node, head.offset);
}
catch (_) { }
}
else {
let range = document.createRange();
if (main.anchor > main.head)
[anchor, head] = [head, anchor];
range.setEnd(head.node, head.offset);
range.setStart(anchor.node, anchor.offset);
rawSel.removeAllRanges();
rawSel.addRange(range);
}
if (selectionNotFocus && this.view.root.activeElement == dom) {
dom.blur();
if (activeElt)
activeElt.focus();
}
});
this.view.observer.setSelectionRange(anchor, head);
}
this.impreciseAnchor = anchor.precise ? null : new DOMPos(domSel.anchorNode, domSel.anchorOffset);
this.impreciseHead = head.precise ? null : new DOMPos(domSel.focusNode, domSel.focusOffset);
}
suppressWidgetCursorChange(sel, cursor) {
return this.hasComposition && cursor.empty &&
isEquivalentPosition(sel.focusNode, sel.focusOffset, sel.anchorNode, sel.anchorOffset) &&
this.posFromDOM(sel.focusNode, sel.focusOffset) == cursor.head;
}
enforceCursorAssoc() {
if (this.hasComposition)
return;
let { view } = this, cursor = view.state.selection.main;
let sel = getSelection(view.root);
let { anchorNode, anchorOffset } = view.observer.selectionRange;
if (!sel || !cursor.empty || !cursor.assoc || !sel.modify)
return;
let line = this.lineAt(cursor.head, cursor.assoc);
if (!line)
return;
let lineStart = line.posAtStart;
if (cursor.head == lineStart || cursor.head == lineStart + line.length)
return;
let before = this.coordsAt(cursor.head, -1), after = this.coordsAt(cursor.head, 1);
if (!before || !after || before.bottom > after.top)
return;
let dom = this.domAtPos(cursor.head + cursor.assoc, cursor.assoc);
sel.collapse(dom.node, dom.offset);
sel.modify("move", cursor.assoc < 0 ? "forward" : "backward", "lineboundary");
view.observer.readSelectionRange();
let newRange = view.observer.selectionRange;
if (view.docView.posFromDOM(newRange.anchorNode, newRange.anchorOffset) != cursor.from)
sel.collapse(anchorNode, anchorOffset);
}
posFromDOM(node, offset) {
let tile = this.tile.nearest(node);
if (!tile)
return this.tile.dom.compareDocumentPosition(node) & 2 ? 0 : this.view.state.doc.length;
let start = tile.posAtStart;
if (tile.isComposite()) {
let after;
if (node == tile.dom) {
after = tile.dom.childNodes[offset];
}
else {
let bias = maxOffset(node) == 0 ? 0 : offset == 0 ? -1 : 1;
for (;;) {
let parent = node.parentNode;
if (parent == tile.dom)
break;
if (bias == 0 && parent.firstChild != parent.lastChild) {
if (node == parent.firstChild)
bias = -1;
else
bias = 1;
}
node = parent;
}
if (bias < 0)
after = node;
else
after = node.nextSibling;
}
if (after == tile.dom.firstChild)
return start;
while (after && !Tile.get(after))
after = after.nextSibling;
if (!after)
return start + tile.length;
for (let i = 0, pos = start;; i++) {
let child = tile.children[i];
if (child.dom == after)
return pos;
pos += child.length + child.breakAfter;
}
}
else if (tile.isText()) {
return node == tile.dom ? start + offset : start + (offset ? tile.length : 0);
}
else {
return start;
}
}
domAtPos(pos, side) {
let { tile, offset } = this.tile.resolveBlock(pos, side);
if (tile.isWidget())
return tile.domPosFor(pos, side);
return tile.domIn(offset, side);
}
inlineDOMNearPos(pos, side) {
let before, beforeOff = -1, beforeBad = false;
let after, afterOff = -1, afterBad = false;
this.tile.blockTiles((tile, off) => {
if (tile.isWidget()) {
if ((tile.flags & 32 ) && off >= pos)
return true;
if (tile.flags & 16 )
beforeBad = true;
}
else {
let end = off + tile.length;
if (off <= pos) {
before = tile;
beforeOff = pos - off;
beforeBad = end < pos;
}
if (end >= pos && !after) {
after = tile;
afterOff = pos - off;
afterBad = off > pos;
}
if (off > pos && after)
return true;
}
});
if (!before && !after)
return this.domAtPos(pos, side);
if (beforeBad && after)
before = null;
else if (afterBad && before)
after = null;
return before && side < 0 || !after ? before.domIn(beforeOff, side) : after.domIn(afterOff, side);
}
coordsAt(pos, side) {
let { tile, offset } = this.tile.resolveBlock(pos, side);
if (tile.isWidget()) {
if (tile.widget instanceof BlockGapWidget)
return null;
return tile.coordsInWidget(offset, side, true);
}
return tile.coordsIn(offset, side);
}
lineAt(pos, side) {
let { tile } = this.tile.resolveBlock(pos, side);
return tile.isLine() ? tile : null;
}
coordsForChar(pos) {
let { tile, offset } = this.tile.resolveBlock(pos, 1);
if (!tile.isLine())
return null;
function scan(tile, offset) {
if (tile.isComposite()) {
for (let ch of tile.children) {
if (ch.length >= offset) {
let found = scan(ch, offset);
if (found)
return found;
}
offset -= ch.length;
if (offset < 0)
break;
}
}
else if (tile.isText() && offset < tile.length) {
let end = findClusterBreak(tile.text, offset);
if (end == offset)
return null;
let rects = textRange(tile.dom, offset, end).getClientRects();
for (let i = 0; i < rects.length; i++) {
let rect = rects[i];
if (i == rects.length - 1 || rect.top < rect.bottom && rect.left < rect.right)
return rect;
}
}
return null;
}
return scan(tile, offset);
}
measureVisibleLineHeights(viewport) {
let result = [], { from, to } = viewport;
let contentWidth = this.view.contentDOM.clientWidth;
let isWider = contentWidth > Math.max(this.view.scrollDOM.clientWidth, this.minWidth) + 1;
let widest = -1, ltr = this.view.textDirection == Direction.LTR;
let spaceAbove = 0;
let scan = (tile, pos, measureBounds) => {
for (let i = 0; i < tile.children.length; i++) {
if (pos > to)
break;
let child = tile.children[i], end = pos + child.length;
let childRect = child.dom.getBoundingClientRect(), { height } = childRect;
if (measureBounds && !i)
spaceAbove += childRect.top - measureBounds.top;
if (child instanceof BlockWrapperTile) {
if (end > from)
scan(child, pos, childRect);
}
else if (pos >= from) {
if (spaceAbove > 0)
result.push(-spaceAbove);
result.push(height + spaceAbove);
spaceAbove = 0;
if (isWider) {
let last = child.dom.lastChild;
let rects = last ? clientRectsFor(last) : [];
if (rects.length) {
let rect = rects[rects.length - 1];
let width = ltr ? rect.right - childRect.left : childRect.right - rect.left;
if (width > widest) {
widest = width;
this.minWidth = contentWidth;
this.minWidthFrom = pos;
this.minWidthTo = end;
}
}
}
}
if (measureBounds && i == tile.children.length - 1)
spaceAbove += measureBounds.bottom - childRect.bottom;
pos = end + child.breakAfter;
}
};
scan(this.tile, 0, null);
return result;
}
textDirectionAt(pos) {
let { tile } = this.tile.resolveBlock(pos, 1);
return getComputedStyle(tile.dom).direction == "rtl" ? Direction.RTL : Direction.LTR;
}
measureTextSize() {
let lineMeasure = this.tile.blockTiles(tile => {
if (tile.isLine() && tile.children.length && tile.length <= 20) {
let totalWidth = 0, textHeight;
for (let child of tile.children) {
if (!child.isText() || /[^ -~]/.test(child.text))
return undefined;
let rects = clientRectsFor(child.dom);
if (rects.length != 1)
return undefined;
totalWidth += rects[0].width;
textHeight = rects[0].height;
}
if (totalWidth)
return {
lineHeight: tile.dom.getBoundingClientRect().height,
charWidth: totalWidth / tile.length,
textHeight
};
}
});
if (lineMeasure)
return lineMeasure;
let dummy = document.createElement("div"), lineHeight, charWidth, textHeight;
dummy.className = "cm-line";
dummy.style.width = "99999px";
dummy.style.position = "absolute";
dummy.textContent = "abc def ghi jkl mno pqr stu";
this.view.observer.ignore(() => {
this.tile.dom.appendChild(dummy);
let rect = clientRectsFor(dummy.firstChild)[0];
lineHeight = dummy.getBoundingClientRect().height;
charWidth = rect && rect.width ? rect.width / 27 : 7;
textHeight = rect && rect.height ? rect.height : lineHeight;
dummy.remove();
});
return { lineHeight, charWidth, textHeight };
}
computeBlockGapDeco() {
let deco = [], vs = this.view.viewState;
for (let pos = 0, i = 0;; i++) {
let next = i == vs.viewports.length ? null : vs.viewports[i];
let end = next ? next.from - 1 : this.view.state.doc.length;
if (end > pos) {
let height = (vs.lineBlockAt(end).bottom - vs.lineBlockAt(pos).top) / this.view.scaleY;
deco.push(Decoration.replace({
widget: new BlockGapWidget(height),
block: true,
inclusive: true,
isBlockGap: true,
}).range(pos, end));
}
if (!next)
break;
pos = next.to + 1;
}
return Decoration.set(deco);
}
updateDeco() {
let i = 1;
let allDeco = this.view.state.facet(decorations).map(d => {
let dynamic = this.dynamicDecorationMap[i++] = typeof d == "function";
return dynamic ? d(this.view) : d;
});
let dynamicOuter = false, outerDeco = this.view.state.facet(outerDecorations).map((d, i) => {
let dynamic = typeof d == "function";
if (dynamic)
dynamicOuter = true;
return dynamic ? d(this.view) : d;
});
if (outerDeco.length) {
this.dynamicDecorationMap[i++] = dynamicOuter;
allDeco.push(RangeSet.join(outerDeco));
}
this.decorations = [
this.editContextFormatting,
...allDeco,
this.computeBlockGapDeco(),
this.view.viewState.lineGapDeco
];
while (i < this.decorations.length)
this.dynamicDecorationMap[i++] = false;
this.blockWrappers = this.view.state.facet(blockWrappers).map(v => typeof v == "function" ? v(this.view) : v);
}
scrollIntoView(target) {
if (target.isSnapshot) {
let ref = this.view.viewState.lineBlockAt(target.range.head);
this.view.scrollDOM.scrollTop = ref.top - target.yMargin;
this.view.scrollDOM.scrollLeft = target.xMargin;
return;
}
for (let handler of this.view.state.facet(scrollHandler)) {
try {
if (handler(this.view, target.range, target))
return true;
}
catch (e) {
logException(this.view.state, e, "scroll handler");
}
}
let { range } = target;
let rect = this.coordsAt(range.head, range.empty ? range.assoc : range.head > range.anchor ? -1 : 1), other;
if (!rect)
return;
if (!range.empty && (other = this.coordsAt(range.anchor, range.anchor > range.head ? -1 : 1)))
rect = { left: Math.min(rect.left, other.left), top: Math.min(rect.top, other.top),
right: Math.max(rect.right, other.right), bottom: Math.max(rect.bottom, other.bottom) };
let margins = getScrollMargins(this.view);
let targetRect = {
left: rect.left - margins.left, top: rect.top - margins.top,
right: rect.right + margins.right, bottom: rect.bottom + margins.bottom
};
let { offsetWidth, offsetHeight } = this.view.scrollDOM;
scrollRectIntoView(this.view.scrollDOM, targetRect, range.head < range.anchor ? -1 : 1, target.x, target.y, Math.max(Math.min(target.xMargin, offsetWidth), -offsetWidth), Math.max(Math.min(target.yMargin, offsetHeight), -offsetHeight), this.view.textDirection == Direction.LTR);
}
lineHasWidget(pos) {
let scan = (child) => child.isWidget() || child.children.some(scan);
return scan(this.tile.resolveBlock(pos, 1).tile);
}
destroy() {
destroyDropped(this.tile);
}
}
function destroyDropped(tile, reused) {
let r = reused === null || reused === void 0 ? void 0 : reused.get(tile);
if (r != 1 ) {
if (r == null)
tile.destroy();
for (let ch of tile.children)
destroyDropped(ch, reused);
}
}
function betweenUneditable(pos) {
return pos.node.nodeType == 1 && pos.node.firstChild &&
(pos.offset == 0 || pos.node.childNodes[pos.offset - 1].contentEditable == "false") &&
(pos.offset == pos.node.childNodes.length || pos.node.childNodes[pos.offset].contentEditable == "false");
}
function findCompositionNode(view, headPos) {
let sel = view.observer.selectionRange;
if (!sel.focusNode)
return null;
let textBefore = textNodeBefore(sel.focusNode, sel.focusOffset);
let textAfter = textNodeAfter(sel.focusNode, sel.focusOffset);
let textNode = textBefore || textAfter;
if (textAfter && textBefore && textAfter.node != textBefore.node) {
let tileAfter = Tile.get(textAfter.node);
if (!tileAfter || tileAfter.isText() && tileAfter.text != textAfter.node.nodeValue) {
textNode = textAfter;
}
else if (view.docView.lastCompositionAfterCursor) {
let tileBefore = Tile.get(textBefore.node);
if (!(!tileBefore || tileBefore.isText() && tileBefore.text != textBefore.node.nodeValue))
textNode = textAfter;
}
}
view.docView.lastCompositionAfterCursor = textNode != textBefore;
if (!textNode)
return null;
let from = headPos - textNode.offset;
return { from, to: from + textNode.node.nodeValue.length, node: textNode.node };
}
function findCompositionRange(view, changes, headPos) {
let found = findCompositionNode(view, headPos);
if (!found)
return null;
let { node: textNode, from, to } = found, text = textNode.nodeValue;
if (/[\n\r]/.test(text))
return null;
if (view.state.doc.sliceString(found.from, found.to) != text)
return null;
let inv = changes.invertedDesc;
return { range: new ChangedRange(inv.mapPos(from), inv.mapPos(to), from, to), text: textNode };
}
function nextToUneditable(node, offset) {
if (node.nodeType != 1)
return 0;
return (offset && node.childNodes[offset - 1].contentEditable == "false" ? 1 : 0) |
(offset < node.childNodes.length && node.childNodes[offset].contentEditable == "false" ? 2 : 0);
}
let DecorationComparator$1 = class DecorationComparator {
constructor() {
this.changes = [];
}
compareRange(from, to) { addRange(from, to, this.changes); }
comparePoint(from, to) { addRange(from, to, this.changes); }
boundChange(pos) { addRange(pos, pos, this.changes); }
};
function findChangedDeco(a, b, diff) {
let comp = new DecorationComparator$1;
RangeSet.compare(a, b, diff, comp);
return comp.changes;
}
class WrapperComparator {
constructor() {
this.changes = [];
}
compareRange(from, to) { addRange(from, to, this.changes); }
comparePoint() { }
boundChange(pos) { addRange(pos, pos, this.changes); }
}
function findChangedWrappers(a, b, diff) {
let comp = new WrapperComparator;
RangeSet.compare(a, b, diff, comp);
return comp.changes;
}
function inUneditable(node, inside) {
for (let cur = node; cur && cur != inside; cur = cur.assignedSlot || cur.parentNode) {
if (cur.nodeType == 1 && cur.contentEditable == 'false') {
return true;
}
}
return false;
}
function touchesComposition(changes, composition) {
let touched = false;
if (composition)
changes.iterChangedRanges((from, to) => {
if (from < composition.to && to > composition.from)
touched = true;
});
return touched;
}
class BlockGapWidget extends WidgetType {
constructor(height) {
super();
this.height = height;
}
toDOM() {
let elt = document.createElement("div");
elt.className = "cm-gap";
this.updateDOM(elt);
return elt;
}
eq(other) { return other.height == this.height; }
updateDOM(elt) {
elt.style.height = this.height + "px";
return true;
}
get editable() { return true; }
get estimatedHeight() { return this.height; }
ignoreEvent() { return false; }
}
function groupAt(state, pos, bias = 1) {
let categorize = state.charCategorizer(pos);
let line = state.doc.lineAt(pos), linePos = pos - line.from;
if (line.length == 0)
return EditorSelection.cursor(pos);
if (linePos == 0)
bias = 1;
else if (linePos == line.length)
bias = -1;
let from = linePos, to = linePos;
if (bias < 0)
from = findClusterBreak(line.text, linePos, false);
else
to = findClusterBreak(line.text, linePos);
let cat = categorize(line.text.slice(from, to));
while (from > 0) {
let prev = findClusterBreak(line.text, from, false);
if (categorize(line.text.slice(prev, from)) != cat)
break;
from = prev;
}
while (to < line.length) {
let next = findClusterBreak(line.text, to);
if (categorize(line.text.slice(to, next)) != cat)
break;
to = next;
}
return EditorSelection.range(from + line.from, to + line.from);
}
function posAtCoordsImprecise(view, contentRect, block, x, y) {
let into = Math.round((x - contentRect.left) * view.defaultCharacterWidth);
if (view.lineWrapping && block.height > view.defaultLineHeight * 1.5) {
let textHeight = view.viewState.heightOracle.textHeight;
let line = Math.floor((y - block.top - (view.defaultLineHeight - textHeight) * 0.5) / textHeight);
into += line * view.viewState.heightOracle.lineLength;
}
let content = view.state.sliceDoc(block.from, block.to);
return block.from + findColumn(content, into, view.state.tabSize);
}
function blockAt(view, pos, side) {
let line = view.lineBlockAt(pos);
if (Array.isArray(line.type)) {
let best;
for (let l of line.type) {
if (l.from > pos)
break;
if (l.to < pos)
continue;
if (l.from < pos && l.to > pos)
return l;
if (!best || (l.type == BlockType.Text && (best.type != l.type || (side < 0 ? l.from < pos : l.to > pos))))
best = l;
}
return best || line;
}
return line;
}
function moveToLineBoundary(view, start, forward, includeWrap) {
let line = blockAt(view, start.head, start.assoc || -1);
let coords = !includeWrap || line.type != BlockType.Text || !(view.lineWrapping || line.widgetLineBreaks) ? null
: view.coordsAtPos(start.assoc < 0 && start.head > line.from ? start.head - 1 : start.head);
if (coords) {
let editorRect = view.dom.getBoundingClientRect();
let direction = view.textDirectionAt(line.from);
let pos = view.posAtCoords({ x: forward == (direction == Direction.LTR) ? editorRect.right - 1 : editorRect.left + 1,
y: (coords.top + coords.bottom) / 2 });
if (pos != null)
return EditorSelection.cursor(pos, forward ? -1 : 1);
}
return EditorSelection.cursor(forward ? line.to : line.from, forward ? -1 : 1);
}
function moveByChar(view, start, forward, by) {
let line = view.state.doc.lineAt(start.head), spans = view.bidiSpans(line);
let direction = view.textDirectionAt(line.from);
for (let cur = start, check = null;;) {
let next = moveVisually(line, spans, direction, cur, forward), char = movedOver;
if (!next) {
if (line.number == (forward ? view.state.doc.lines : 1))
return cur;
char = "\n";
line = view.state.doc.line(line.number + (forward ? 1 : -1));
spans = view.bidiSpans(line);
next = view.visualLineSide(line, !forward);
}
if (!check) {
if (!by)
return next;
check = by(char);
}
else if (!check(char)) {
return cur;
}
cur = next;
}
}
function byGroup(view, pos, start) {
let categorize = view.state.charCategorizer(pos);
let cat = categorize(start);
return (next) => {
let nextCat = categorize(next);
if (cat == CharCategory.Space)
cat = nextCat;
return cat == nextCat;
};
}
function moveVertically(view, start, forward, distance) {
let startPos = start.head, dir = forward ? 1 : -1;
if (startPos == (forward ? view.state.doc.length : 0))
return EditorSelection.cursor(startPos, start.assoc);
let goal = start.goalColumn, startY;
let rect = view.contentDOM.getBoundingClientRect();
let startCoords = view.coordsAtPos(startPos, (start.empty ? start.assoc : 0) || (forward ? 1 : -1)), docTop = view.documentTop;
if (startCoords) {
if (goal == null)
goal = startCoords.left - rect.left;
startY = dir < 0 ? startCoords.top : startCoords.bottom;
}
else {
let line = view.viewState.lineBlockAt(startPos);
if (goal == null)
goal = Math.min(rect.right - rect.left, view.defaultCharacterWidth * (startPos - line.from));
startY = (dir < 0 ? line.top : line.bottom) + docTop;
}
let resolvedGoal = rect.left + goal;
let dist = distance !== null && distance !== void 0 ? distance : (view.viewState.heightOracle.textHeight >> 1);
let pos = posAtCoords(view, { x: resolvedGoal, y: startY + dist * dir }, false, dir);
return EditorSelection.cursor(pos.pos, pos.assoc, undefined, goal);
}
function skipAtomicRanges(atoms, pos, bias) {
for (;;) {
let moved = 0;
for (let set of atoms) {
set.between(pos - 1, pos + 1, (from, to, value) => {
if (pos > from && pos < to) {
let side = moved || bias || (pos - from < to - pos ? -1 : 1);
pos = side < 0 ? from : to;
moved = side;
}
});
}
if (!moved)
return pos;
}
}
function skipAtomsForSelection(atoms, sel) {
let ranges = null;
for (let i = 0; i < sel.ranges.length; i++) {
let range = sel.ranges[i], updated = null;
if (range.empty) {
let pos = skipAtomicRanges(atoms, range.from, 0);
if (pos != range.from)
updated = EditorSelection.cursor(pos, -1);
}
else {
let from = skipAtomicRanges(atoms, range.from, -1);
let to = skipAtomicRanges(atoms, range.to, 1);
if (from != range.from || to != range.to)
updated = EditorSelection.range(range.from == range.anchor ? from : to, range.from == range.head ? from : to);
}
if (updated) {
if (!ranges)
ranges = sel.ranges.slice();
ranges[i] = updated;
}
}
return ranges ? EditorSelection.create(ranges, sel.mainIndex) : sel;
}
function skipAtoms(view, oldPos, pos) {
let newPos = skipAtomicRanges(view.state.facet(atomicRanges).map(f => f(view)), pos.from, oldPos.head > pos.from ? -1 : 1);
return newPos == pos.from ? pos : EditorSelection.cursor(newPos, newPos < pos.from ? 1 : -1);
}
class PosAssoc {
constructor(pos, assoc) {
this.pos = pos;
this.assoc = assoc;
}
}
function posAtCoords(view, coords, precise, scanY) {
let content = view.contentDOM.getBoundingClientRect(), docTop = content.top + view.viewState.paddingTop;
let { x, y } = coords, yOffset = y - docTop, block;
for (;;) {
if (yOffset < 0)
return new PosAssoc(0, 1);
if (yOffset > view.viewState.docHeight)
return new PosAssoc(view.state.doc.length, -1);
block = view.elementAtHeight(yOffset);
if (scanY == null)
break;
if (block.type == BlockType.Text) {
if (scanY < 0 ? block.to < view.viewport.from : block.from > view.viewport.to)
break;
let rect = view.docView.coordsAt(scanY < 0 ? block.from : block.to, scanY > 0 ? -1 : 1);
if (rect && (scanY < 0 ? rect.top <= yOffset + docTop : rect.bottom >= yOffset + docTop))
break;
}
let halfLine = view.viewState.heightOracle.textHeight / 2;
yOffset = scanY > 0 ? block.bottom + halfLine : block.top - halfLine;
}
if (view.viewport.from >= block.to || view.viewport.to <= block.from) {
if (precise)
return null;
if (block.type == BlockType.Text) {
let pos = posAtCoordsImprecise(view, content, block, x, y);
return new PosAssoc(pos, pos == block.from ? 1 : -1);
}
}
if (block.type != BlockType.Text)
return yOffset < (block.top + block.bottom) / 2 ? new PosAssoc(block.from, 1) : new PosAssoc(block.to, -1);
let line = view.docView.lineAt(block.from, 2);
if (!line || line.length != block.length)
line = view.docView.lineAt(block.from, -2);
return posAtCoordsInline(view, line, block.from, x, y);
}
function posAtCoordsInline(view, tile, offset, x, y) {
let closest = -1, closestRect = null;
let dxClosest = 1e9, dyClosest = 1e9;
let rowTop = y, rowBot = y;
let checkRects = (rects, index) => {
for (let i = 0; i < rects.length; i++) {
let rect = rects[i];
if (rect.top == rect.bottom)
continue;
let dx = rect.left > x ? rect.left - x : rect.right < x ? x - rect.right : 0;
let dy = rect.top > y ? rect.top - y : rect.bottom < y ? y - rect.bottom : 0;
if (rect.top <= rowBot && rect.bottom >= rowTop) {
rowTop = Math.min(rect.top, rowTop);
rowBot = Math.max(rect.bottom, rowBot);
dy = 0;
}
if (closest < 0 || (dy - dyClosest || dx - dxClosest) < 0) {
if (closest >= 0 && dyClosest && dxClosest < dx &&
closestRect.top <= rowBot - 2 && closestRect.bottom >= rowTop + 2) {
dyClosest = 0;
}
else {
closest = index;
dxClosest = dx;
dyClosest = dy;
closestRect = rect;
}
}
}
};
if (tile.isText()) {
for (let i = 0; i < tile.length;) {
let next = findClusterBreak(tile.text, i);
checkRects(textRange(tile.dom, i, next).getClientRects(), i);
if (!dxClosest && !dyClosest)
break;
i = next;
}
let after = (x > (closestRect.left + closestRect.right) / 2) == (dirAt(view, closest + offset) == Direction.LTR);
return after ? new PosAssoc(offset + findClusterBreak(tile.text, closest), -1) : new PosAssoc(offset + closest, 1);
}
else {
if (!tile.length)
return new PosAssoc(offset, 1);
for (let i = 0; i < tile.children.length; i++) {
let child = tile.children[i];
if (child.flags & 48 )
continue;
let rects = (child.dom.nodeType == 1 ? child.dom : textRange(child.dom, 0, child.length)).getClientRects();
checkRects(rects, i);
if (!dxClosest && !dyClosest)
break;
}
let inner = tile.children[closest], innerOff = tile.posBefore(inner, offset);
if (inner.isComposite() || inner.isText())
return posAtCoordsInline(view, inner, innerOff, Math.max(closestRect.left, Math.min(closestRect.right, x)), y);
let after = (x > (closestRect.left + closestRect.right) / 2) == (dirAt(view, closest + offset) == Direction.LTR);
return after ? new PosAssoc(innerOff + inner.length, -1) : new PosAssoc(innerOff, 1);
}
}
function dirAt(view, pos) {
let line = view.state.doc.lineAt(pos), spans = view.bidiSpans(line);
return spans[BidiSpan.find(view.bidiSpans(line), pos - line.from, -1, 1)].dir;
}
const LineBreakPlaceholder = "\uffff";
class DOMReader {
constructor(points, view) {
this.points = points;
this.view = view;
this.text = "";
this.lineSeparator = view.state.facet(EditorState.lineSeparator);
}
append(text) {
this.text += text;
}
lineBreak() {
this.text += LineBreakPlaceholder;
}
readRange(start, end) {
if (!start)
return this;
let parent = start.parentNode;
for (let cur = start;;) {
this.findPointBefore(parent, cur);
let oldLen = this.text.length;
this.readNode(cur);
let tile = Tile.get(cur), next = cur.nextSibling;
if (next == end) {
if ((tile === null || tile === void 0 ? void 0 : tile.breakAfter) && !next && parent != this.view.contentDOM)
this.lineBreak();
break;
}
let nextTile = Tile.get(next);
if ((tile && nextTile ? tile.breakAfter :
(tile ? tile.breakAfter : isBlockElement(cur)) ||
(isBlockElement(next) && (cur.nodeName != "BR" || (tile === null || tile === void 0 ? void 0 : tile.isWidget())) && this.text.length > oldLen)) &&
!isEmptyToEnd(next, end))
this.lineBreak();
cur = next;
}
this.findPointBefore(parent, end);
return this;
}
readTextNode(node) {
let text = node.nodeValue;
for (let point of this.points)
if (point.node == node)
point.pos = this.text.length + Math.min(point.offset, text.length);
for (let off = 0, re = this.lineSeparator ? null : /\r\n?|\n/g;;) {
let nextBreak = -1, breakSize = 1, m;
if (this.lineSeparator) {
nextBreak = text.indexOf(this.lineSeparator, off);
breakSize = this.lineSeparator.length;
}
else if (m = re.exec(text)) {
nextBreak = m.index;
breakSize = m[0].length;
}
this.append(text.slice(off, nextBreak < 0 ? text.length : nextBreak));
if (nextBreak < 0)
break;
this.lineBreak();
if (breakSize > 1)
for (let point of this.points)
if (point.node == node && point.pos > this.text.length)
point.pos -= breakSize - 1;
off = nextBreak + breakSize;
}
}
readNode(node) {
let tile = Tile.get(node);
let fromView = tile && tile.overrideDOMText;
if (fromView != null) {
this.findPointInside(node, fromView.length);
for (let i = fromView.iter(); !i.next().done;) {
if (i.lineBreak)
this.lineBreak();
else
this.append(i.value);
}
}
else if (node.nodeType == 3) {
this.readTextNode(node);
}
else if (node.nodeName == "BR") {
if (node.nextSibling)
this.lineBreak();
}
else if (node.nodeType == 1) {
this.readRange(node.firstChild, null);
}
}
findPointBefore(node, next) {
for (let point of this.points)
if (point.node == node && node.childNodes[point.offset] == next)
point.pos = this.text.length;
}
findPointInside(node, length) {
for (let point of this.points)
if (node.nodeType == 3 ? point.node == node : node.contains(point.node))
point.pos = this.text.length + (isAtEnd(node, point.node, point.offset) ? length : 0);
}
}
function isAtEnd(parent, node, offset) {
for (;;) {
if (!node || offset < maxOffset(node))
return false;
if (node == parent)
return true;
offset = domIndex(node) + 1;
node = node.parentNode;
}
}
function isEmptyToEnd(node, end) {
let widgets;
for (;; node = node.nextSibling) {
if (node == end || !node)
break;
let view = Tile.get(node);
if (!(view === null || view === void 0 ? void 0 : view.isWidget()))
return false;
if (view)
(widgets || (widgets = [])).push(view);
}
if (widgets)
for (let w of widgets) {
let override = w.overrideDOMText;
if (override === null || override === void 0 ? void 0 : override.length)
return false;
}
return true;
}
class DOMPoint {
constructor(node, offset) {
this.node = node;
this.offset = offset;
this.pos = -1;
}
}
class DOMChange {
constructor(view, start, end, typeOver) {
this.typeOver = typeOver;
this.bounds = null;
this.text = "";
this.domChanged = start > -1;
let { impreciseHead: iHead, impreciseAnchor: iAnchor } = view.docView;
if (view.state.readOnly && start > -1) {
this.newSel = null;
}
else if (start > -1 && (this.bounds = domBoundsAround(view.docView.tile, start, end, 0))) {
let selPoints = iHead || iAnchor ? [] : selectionPoints(view);
let reader = new DOMReader(selPoints, view);
reader.readRange(this.bounds.startDOM, this.bounds.endDOM);
this.text = reader.text;
this.newSel = selectionFromPoints(selPoints, this.bounds.from);
}
else {
let domSel = view.observer.selectionRange;
let head = iHead && iHead.node == domSel.focusNode && iHead.offset == domSel.focusOffset ||
!contains(view.contentDOM, domSel.focusNode)
? view.state.selection.main.head
: view.docView.posFromDOM(domSel.focusNode, domSel.focusOffset);
let anchor = iAnchor && iAnchor.node == domSel.anchorNode && iAnchor.offset == domSel.anchorOffset ||
!contains(view.contentDOM, domSel.anchorNode)
? view.state.selection.main.anchor
: view.docView.posFromDOM(domSel.anchorNode, domSel.anchorOffset);
let vp = view.viewport;
if ((browser.ios || browser.chrome) && view.state.selection.main.empty && head != anchor &&
(vp.from > 0 || vp.to < view.state.doc.length)) {
let from = Math.min(head, anchor), to = Math.max(head, anchor);
let offFrom = vp.from - from, offTo = vp.to - to;
if ((offFrom == 0 || offFrom == 1 || from == 0) && (offTo == 0 || offTo == -1 || to == view.state.doc.length)) {
head = 0;
anchor = view.state.doc.length;
}
}
if (view.inputState.composing > -1 && view.state.selection.ranges.length > 1)
this.newSel = view.state.selection.replaceRange(EditorSelection.range(anchor, head));
else
this.newSel = EditorSelection.single(anchor, head);
}
}
}
function domBoundsAround(tile, from, to, offset) {
if (tile.isComposite()) {
let fromI = -1, fromStart = -1, toI = -1, toEnd = -1;
for (let i = 0, pos = offset, prevEnd = offset; i < tile.children.length; i++) {
let child = tile.children[i], end = pos + child.length;
if (pos < from && end > to)
return domBoundsAround(child, from, to, pos);
if (end >= from && fromI == -1) {
fromI = i;
fromStart = pos;
}
if (pos > to && child.dom.parentNode == tile.dom) {
toI = i;
toEnd = prevEnd;
break;
}
prevEnd = end;
pos = end + child.breakAfter;
}
return { from: fromStart, to: toEnd < 0 ? offset + tile.length : toEnd,
startDOM: (fromI ? tile.children[fromI - 1].dom.nextSibling : null) || tile.dom.firstChild,
endDOM: toI < tile.children.length && toI >= 0 ? tile.children[toI].dom : null };
}
else if (tile.isText()) {
return { from: offset, to: offset + tile.length, startDOM: tile.dom, endDOM: tile.dom.nextSibling };
}
else {
return null;
}
}
function applyDOMChange(view, domChange) {
let change;
let { newSel } = domChange, sel = view.state.selection.main;
let lastKey = view.inputState.lastKeyTime > Date.now() - 100 ? view.inputState.lastKeyCode : -1;
if (domChange.bounds) {
let { from, to } = domChange.bounds;
let preferredPos = sel.from, preferredSide = null;
if (lastKey === 8 || browser.android && domChange.text.length < to - from) {
preferredPos = sel.to;
preferredSide = "end";
}
let diff = findDiff(view.state.doc.sliceString(from, to, LineBreakPlaceholder), domChange.text, preferredPos - from, preferredSide);
if (diff) {
if (browser.chrome && lastKey == 13 &&
diff.toB == diff.from + 2 && domChange.text.slice(diff.from, diff.toB) == LineBreakPlaceholder + LineBreakPlaceholder)
diff.toB--;
change = { from: from + diff.from, to: from + diff.toA,
insert: Text.of(domChange.text.slice(diff.from, diff.toB).split(LineBreakPlaceholder)) };
}
}
else if (newSel && (!view.hasFocus && view.state.facet(editable) || sameSelPos(newSel, sel))) {
newSel = null;
}
if (!change && !newSel)
return false;
if (!change && domChange.typeOver && !sel.empty && newSel && newSel.main.empty) {
change = { from: sel.from, to: sel.to, insert: view.state.doc.slice(sel.from, sel.to) };
}
else if ((browser.mac || browser.android) && change && change.from == change.to && change.from == sel.head - 1 &&
/^\. ?$/.test(change.insert.toString()) && view.contentDOM.getAttribute("autocorrect") == "off") {
if (newSel && change.insert.length == 2)
newSel = EditorSelection.single(newSel.main.anchor - 1, newSel.main.head - 1);
change = { from: change.from, to: change.to, insert: Text.of([change.insert.toString().replace(".", " ")]) };
}
else if (change && change.from >= sel.from && change.to <= sel.to &&
(change.from != sel.from || change.to != sel.to) &&
(sel.to - sel.from) - (change.to - change.from) <= 4) {
change = {
from: sel.from, to: sel.to,
insert: view.state.doc.slice(sel.from, change.from).append(change.insert).append(view.state.doc.slice(change.to, sel.to))
};
}
else if (view.state.doc.lineAt(sel.from).to < sel.to && view.docView.lineHasWidget(sel.to) &&
view.inputState.insertingTextAt > Date.now() - 50) {
change = {
from: sel.from, to: sel.to,
insert: view.state.toText(view.inputState.insertingText)
};
}
else if (browser.chrome && change && change.from == change.to && change.from == sel.head &&
change.insert.toString() == "\n " && view.lineWrapping) {
if (newSel)
newSel = EditorSelection.single(newSel.main.anchor - 1, newSel.main.head - 1);
change = { from: sel.from, to: sel.to, insert: Text.of([" "]) };
}
if (change) {
return applyDOMChangeInner(view, change, newSel, lastKey);
}
else if (newSel && !sameSelPos(newSel, sel)) {
let scrollIntoView = false, userEvent = "select";
if (view.inputState.lastSelectionTime > Date.now() - 50) {
if (view.inputState.lastSelectionOrigin == "select")
scrollIntoView = true;
userEvent = view.inputState.lastSelectionOrigin;
if (userEvent == "select.pointer")
newSel = skipAtomsForSelection(view.state.facet(atomicRanges).map(f => f(view)), newSel);
}
view.dispatch({ selection: newSel, scrollIntoView, userEvent });
return true;
}
else {
return false;
}
}
function applyDOMChangeInner(view, change, newSel, lastKey = -1) {
if (browser.ios && view.inputState.flushIOSKey(change))
return true;
let sel = view.state.selection.main;
if (browser.android &&
((change.to == sel.to &&
(change.from == sel.from || change.from == sel.from - 1 && view.state.sliceDoc(change.from, sel.from) == " ") &&
change.insert.length == 1 && change.insert.lines == 2 &&
dispatchKey(view.contentDOM, "Enter", 13)) ||
((change.from == sel.from - 1 && change.to == sel.to && change.insert.length == 0 ||
lastKey == 8 && change.insert.length < change.to - change.from && change.to > sel.head) &&
dispatchKey(view.contentDOM, "Backspace", 8)) ||
(change.from == sel.from && change.to == sel.to + 1 && change.insert.length == 0 &&
dispatchKey(view.contentDOM, "Delete", 46))))
return true;
let text = change.insert.toString();
if (view.inputState.composing >= 0)
view.inputState.composing++;
let defaultTr;
let defaultInsert = () => defaultTr || (defaultTr = applyDefaultInsert(view, change, newSel));
if (!view.state.facet(inputHandler).some(h => h(view, change.from, change.to, text, defaultInsert)))
view.dispatch(defaultInsert());
return true;
}
function applyDefaultInsert(view, change, newSel) {
let tr, startState = view.state, sel = startState.selection.main, inAtomic = -1;
if (change.from == change.to && change.from < sel.from || change.from > sel.to) {
let side = change.from < sel.from ? -1 : 1, pos = side < 0 ? sel.from : sel.to;
let moved = skipAtomicRanges(startState.facet(atomicRanges).map(f => f(view)), pos, side);
if (change.from == moved)
inAtomic = moved;
}
if (inAtomic > -1) {
tr = {
changes: change,
selection: EditorSelection.cursor(change.from + change.insert.length, -1)
};
}
else if (change.from >= sel.from && change.to <= sel.to && change.to - change.from >= (sel.to - sel.from) / 3 &&
(!newSel || newSel.main.empty && newSel.main.from == change.from + change.insert.length) &&
view.inputState.composing < 0) {
let before = sel.from < change.from ? startState.sliceDoc(sel.from, change.from) : "";
let after = sel.to > change.to ? startState.sliceDoc(change.to, sel.to) : "";
tr = startState.replaceSelection(view.state.toText(before + change.insert.sliceString(0, undefined, view.state.lineBreak) + after));
}
else {
let changes = startState.changes(change);
let mainSel = newSel && newSel.main.to <= changes.newLength ? newSel.main : undefined;
if (startState.selection.ranges.length > 1 && (view.inputState.composing >= 0 || view.inputState.compositionPendingChange) &&
change.to <= sel.to + 10 && change.to >= sel.to - 10) {
let replaced = view.state.sliceDoc(change.from, change.to);
let compositionRange, composition = newSel && findCompositionNode(view, newSel.main.head);
if (composition) {
let dLen = change.insert.length - (change.to - change.from);
compositionRange = { from: composition.from, to: composition.to - dLen };
}
else {
compositionRange = view.state.doc.lineAt(sel.head);
}
let offset = sel.to - change.to;
tr = startState.changeByRange(range => {
if (range.from == sel.from && range.to == sel.to)
return { changes, range: mainSel || range.map(changes) };
let to = range.to - offset, from = to - replaced.length;
if (view.state.sliceDoc(from, to) != replaced ||
to >= compositionRange.from && from <= compositionRange.to)
return { range };
let rangeChanges = startState.changes({ from, to, insert: change.insert }), selOff = range.to - sel.to;
return {
changes: rangeChanges,
range: !mainSel ? range.map(rangeChanges) :
EditorSelection.range(Math.max(0, mainSel.anchor + selOff), Math.max(0, mainSel.head + selOff))
};
});
}
else {
tr = {
changes,
selection: mainSel && startState.selection.replaceRange(mainSel)
};
}
}
let userEvent = "input.type";
if (view.composing ||
view.inputState.compositionPendingChange && view.inputState.compositionEndedAt > Date.now() - 50) {
view.inputState.compositionPendingChange = false;
userEvent += ".compose";
if (view.inputState.compositionFirstChange) {
userEvent += ".start";
view.inputState.compositionFirstChange = false;
}
}
return startState.update(tr, { userEvent, scrollIntoView: true });
}
function findDiff(a, b, preferredPos, preferredSide) {
let minLen = Math.min(a.length, b.length);
let from = 0;
while (from < minLen && a.charCodeAt(from) == b.charCodeAt(from))
from++;
if (from == minLen && a.length == b.length)
return null;
let toA = a.length, toB = b.length;
while (toA > 0 && toB > 0 && a.charCodeAt(toA - 1) == b.charCodeAt(toB - 1)) {
toA--;
toB--;
}
if (preferredSide == "end") {
let adjust = Math.max(0, from - Math.min(toA, toB));
preferredPos -= toA + adjust - from;
}
if (toA < from && a.length < b.length) {
let move = preferredPos <= from && preferredPos >= toA ? from - preferredPos : 0;
from -= move;
toB = from + (toB - toA);
toA = from;
}
else if (toB < from) {
let move = preferredPos <= from && preferredPos >= toB ? from - preferredPos : 0;
from -= move;
toA = from + (toA - toB);
toB = from;
}
return { from, toA, toB };
}
function selectionPoints(view) {
let result = [];
if (view.root.activeElement != view.contentDOM)
return result;
let { anchorNode, anchorOffset, focusNode, focusOffset } = view.observer.selectionRange;
if (anchorNode) {
result.push(new DOMPoint(anchorNode, anchorOffset));
if (focusNode != anchorNode || focusOffset != anchorOffset)
result.push(new DOMPoint(focusNode, focusOffset));
}
return result;
}
function selectionFromPoints(points, base) {
if (points.length == 0)
return null;
let anchor = points[0].pos, head = points.length == 2 ? points[1].pos : anchor;
return anchor > -1 && head > -1 ? EditorSelection.single(anchor + base, head + base) : null;
}
function sameSelPos(selection, range) {
return range.head == selection.main.head && range.anchor == selection.main.anchor;
}
class InputState {
setSelectionOrigin(origin) {
this.lastSelectionOrigin = origin;
this.lastSelectionTime = Date.now();
}
constructor(view) {
this.view = view;
this.lastKeyCode = 0;
this.lastKeyTime = 0;
this.lastTouchTime = 0;
this.lastFocusTime = 0;
this.lastScrollTop = 0;
this.lastScrollLeft = 0;
this.pendingIOSKey = undefined;
this.tabFocusMode = -1;
this.lastSelectionOrigin = null;
this.lastSelectionTime = 0;
this.lastContextMenu = 0;
this.scrollHandlers = [];
this.handlers = Object.create(null);
this.composing = -1;
this.compositionFirstChange = null;
this.compositionEndedAt = 0;
this.compositionPendingKey = false;
this.compositionPendingChange = false;
this.insertingText = "";
this.insertingTextAt = 0;
this.mouseSelection = null;
this.draggedContent = null;
this.handleEvent = this.handleEvent.bind(this);
this.notifiedFocused = view.hasFocus;
if (browser.safari)
view.contentDOM.addEventListener("input", () => null);
if (browser.gecko)
firefoxCopyCutHack(view.contentDOM.ownerDocument);
}
handleEvent(event) {
if (!eventBelongsToEditor(this.view, event) || this.ignoreDuringComposition(event))
return;
if (event.type == "keydown" && this.keydown(event))
return;
if (this.view.updateState != 0 )
Promise.resolve().then(() => this.runHandlers(event.type, event));
else
this.runHandlers(event.type, event);
}
runHandlers(type, event) {
let handlers = this.handlers[type];
if (handlers) {
for (let observer of handlers.observers)
observer(this.view, event);
for (let handler of handlers.handlers) {
if (event.defaultPrevented)
break;
if (handler(this.view, event)) {
event.preventDefault();
break;
}
}
}
}
ensureHandlers(plugins) {
let handlers = computeHandlers(plugins), prev = this.handlers, dom = this.view.contentDOM;
for (let type in handlers)
if (type != "scroll") {
let passive = !handlers[type].handlers.length;
let exists = prev[type];
if (exists && passive != !exists.handlers.length) {
dom.removeEventListener(type, this.handleEvent);
exists = null;
}
if (!exists)
dom.addEventListener(type, this.handleEvent, { passive });
}
for (let type in prev)
if (type != "scroll" && !handlers[type])
dom.removeEventListener(type, this.handleEvent);
this.handlers = handlers;
}
keydown(event) {
this.lastKeyCode = event.keyCode;
this.lastKeyTime = Date.now();
if (event.keyCode == 9 && this.tabFocusMode > -1 && (!this.tabFocusMode || Date.now() <= this.tabFocusMode))
return true;
if (this.tabFocusMode > 0 && event.keyCode != 27 && modifierCodes.indexOf(event.keyCode) < 0)
this.tabFocusMode = -1;
if (browser.android && browser.chrome && !event.synthetic &&
(event.keyCode == 13 || event.keyCode == 8)) {
this.view.observer.delayAndroidKey(event.key, event.keyCode);
return true;
}
let pending;
if (browser.ios && !event.synthetic && !event.altKey && !event.metaKey &&
((pending = PendingKeys.find(key => key.keyCode == event.keyCode)) && !event.ctrlKey ||
EmacsyPendingKeys.indexOf(event.key) > -1 && event.ctrlKey && !event.shiftKey)) {
this.pendingIOSKey = pending || event;
setTimeout(() => this.flushIOSKey(), 250);
return true;
}
if (event.keyCode != 229)
this.view.observer.forceFlush();
return false;
}
flushIOSKey(change) {
let key = this.pendingIOSKey;
if (!key)
return false;
if (key.key == "Enter" && change && change.from < change.to && /^\S+$/.test(change.insert.toString()))
return false;
this.pendingIOSKey = undefined;
return dispatchKey(this.view.contentDOM, key.key, key.keyCode, key instanceof KeyboardEvent ? key : undefined);
}
ignoreDuringComposition(event) {
if (!/^key/.test(event.type) || event.synthetic)
return false;
if (this.composing > 0)
return true;
if (browser.safari && !browser.ios && this.compositionPendingKey && Date.now() - this.compositionEndedAt < 100) {
this.compositionPendingKey = false;
return true;
}
return false;
}
startMouseSelection(mouseSelection) {
if (this.mouseSelection)
this.mouseSelection.destroy();
this.mouseSelection = mouseSelection;
}
update(update) {
this.view.observer.update(update);
if (this.mouseSelection)
this.mouseSelection.update(update);
if (this.draggedContent && update.docChanged)
this.draggedContent = this.draggedContent.map(update.changes);
if (update.transactions.length)
this.lastKeyCode = this.lastSelectionTime = 0;
}
destroy() {
if (this.mouseSelection)
this.mouseSelection.destroy();
}
}
function bindHandler(plugin, handler) {
return (view, event) => {
try {
return handler.call(plugin, event, view);
}
catch (e) {
logException(view.state, e);
}
};
}
function computeHandlers(plugins) {
let result = Object.create(null);
function record(type) {
return result[type] || (result[type] = { observers: [], handlers: [] });
}
for (let plugin of plugins) {
let spec = plugin.spec, handlers = spec && spec.plugin.domEventHandlers, observers = spec && spec.plugin.domEventObservers;
if (handlers)
for (let type in handlers) {
let f = handlers[type];
if (f)
record(type).handlers.push(bindHandler(plugin.value, f));
}
if (observers)
for (let type in observers) {
let f = observers[type];
if (f)
record(type).observers.push(bindHandler(plugin.value, f));
}
}
for (let type in handlers)
record(type).handlers.push(handlers[type]);
for (let type in observers)
record(type).observers.push(observers[type]);
return result;
}
const PendingKeys = [
{ key: "Backspace", keyCode: 8, inputType: "deleteContentBackward" },
{ key: "Enter", keyCode: 13, inputType: "insertParagraph" },
{ key: "Enter", keyCode: 13, inputType: "insertLineBreak" },
{ key: "Delete", keyCode: 46, inputType: "deleteContentForward" }
];
const EmacsyPendingKeys = "dthko";
const modifierCodes = [16, 17, 18, 20, 91, 92, 224, 225];
const dragScrollMargin = 6;
function dragScrollSpeed(dist) {
return Math.max(0, dist) * 0.7 + 8;
}
function dist(a, b) {
return Math.max(Math.abs(a.clientX - b.clientX), Math.abs(a.clientY - b.clientY));
}
class MouseSelection {
constructor(view, startEvent, style, mustSelect) {
this.view = view;
this.startEvent = startEvent;
this.style = style;
this.mustSelect = mustSelect;
this.scrollSpeed = { x: 0, y: 0 };
this.scrolling = -1;
this.lastEvent = startEvent;
this.scrollParents = scrollableParents(view.contentDOM);
this.atoms = view.state.facet(atomicRanges).map(f => f(view));
let doc = view.contentDOM.ownerDocument;
doc.addEventListener("mousemove", this.move = this.move.bind(this));
doc.addEventListener("mouseup", this.up = this.up.bind(this));
this.extend = startEvent.shiftKey;
this.multiple = view.state.facet(EditorState.allowMultipleSelections) && addsSelectionRange(view, startEvent);
this.dragging = isInPrimarySelection(view, startEvent) && getClickType(startEvent) == 1 ? null : false;
}
start(event) {
if (this.dragging === false)
this.select(event);
}
move(event) {
if (event.buttons == 0)
return this.destroy();
if (this.dragging || this.dragging == null && dist(this.startEvent, event) < 10)
return;
this.select(this.lastEvent = event);
let sx = 0, sy = 0;
let left = 0, top = 0, right = this.view.win.innerWidth, bottom = this.view.win.innerHeight;
if (this.scrollParents.x)
({ left, right } = this.scrollParents.x.getBoundingClientRect());
if (this.scrollParents.y)
({ top, bottom } = this.scrollParents.y.getBoundingClientRect());
let margins = getScrollMargins(this.view);
if (event.clientX - margins.left <= left + dragScrollMargin)
sx = -dragScrollSpeed(left - event.clientX);
else if (event.clientX + margins.right >= right - dragScrollMargin)
sx = dragScrollSpeed(event.clientX - right);
if (event.clientY - margins.top <= top + dragScrollMargin)
sy = -dragScrollSpeed(top - event.clientY);
else if (event.clientY + margins.bottom >= bottom - dragScrollMargin)
sy = dragScrollSpeed(event.clientY - bottom);
this.setScrollSpeed(sx, sy);
}
up(event) {
if (this.dragging == null)
this.select(this.lastEvent);
if (!this.dragging)
event.preventDefault();
this.destroy();
}
destroy() {
this.setScrollSpeed(0, 0);
let doc = this.view.contentDOM.ownerDocument;
doc.removeEventListener("mousemove", this.move);
doc.removeEventListener("mouseup", this.up);
this.view.inputState.mouseSelection = this.view.inputState.draggedContent = null;
}
setScrollSpeed(sx, sy) {
this.scrollSpeed = { x: sx, y: sy };
if (sx || sy) {
if (this.scrolling < 0)
this.scrolling = setInterval(() => this.scroll(), 50);
}
else if (this.scrolling > -1) {
clearInterval(this.scrolling);
this.scrolling = -1;
}
}
scroll() {
let { x, y } = this.scrollSpeed;
if (x && this.scrollParents.x) {
this.scrollParents.x.scrollLeft += x;
x = 0;
}
if (y && this.scrollParents.y) {
this.scrollParents.y.scrollTop += y;
y = 0;
}
if (x || y)
this.view.win.scrollBy(x, y);
if (this.dragging === false)
this.select(this.lastEvent);
}
select(event) {
let { view } = this, selection = skipAtomsForSelection(this.atoms, this.style.get(event, this.extend, this.multiple));
if (this.mustSelect || !selection.eq(view.state.selection, this.dragging === false))
this.view.dispatch({
selection,
userEvent: "select.pointer"
});
this.mustSelect = false;
}
update(update) {
if (update.transactions.some(tr => tr.isUserEvent("input.type")))
this.destroy();
else if (this.style.update(update))
setTimeout(() => this.select(this.lastEvent), 20);
}
}
function addsSelectionRange(view, event) {
let facet = view.state.facet(clickAddsSelectionRange);
return facet.length ? facet[0](event) : browser.mac ? event.metaKey : event.ctrlKey;
}
function dragMovesSelection(view, event) {
let facet = view.state.facet(dragMovesSelection$1);
return facet.length ? facet[0](event) : browser.mac ? !event.altKey : !event.ctrlKey;
}
function isInPrimarySelection(view, event) {
let { main } = view.state.selection;
if (main.empty)
return false;
let sel = getSelection(view.root);
if (!sel || sel.rangeCount == 0)
return true;
let rects = sel.getRangeAt(0).getClientRects();
for (let i = 0; i < rects.length; i++) {
let rect = rects[i];
if (rect.left <= event.clientX && rect.right >= event.clientX &&
rect.top <= event.clientY && rect.bottom >= event.clientY)
return true;
}
return false;
}
function eventBelongsToEditor(view, event) {
if (!event.bubbles)
return true;
if (event.defaultPrevented)
return false;
for (let node = event.target, tile; node != view.contentDOM; node = node.parentNode)
if (!node || node.nodeType == 11 ||
((tile = Tile.get(node)) && tile.isWidget() && !tile.isHidden && tile.widget.ignoreEvent(event)))
return false;
return true;
}
const handlers = Object.create(null);
const observers = Object.create(null);
const brokenClipboardAPI = (browser.ie && browser.ie_version < 15) ||
(browser.ios && browser.webkit_version < 604);
function capturePaste(view) {
let parent = view.dom.parentNode;
if (!parent)
return;
let target = parent.appendChild(document.createElement("textarea"));
target.style.cssText = "position: fixed; left: -10000px; top: 10px";
target.focus();
setTimeout(() => {
view.focus();
target.remove();
doPaste(view, target.value);
}, 50);
}
function textFilter(state, facet, text) {
for (let filter of state.facet(facet))
text = filter(text, state);
return text;
}
function doPaste(view, input) {
input = textFilter(view.state, clipboardInputFilter, input);
let { state } = view, changes, i = 1, text = state.toText(input);
let byLine = text.lines == state.selection.ranges.length;
let linewise = lastLinewiseCopy != null && state.selection.ranges.every(r => r.empty) && lastLinewiseCopy == text.toString();
if (linewise) {
let lastLine = -1;
changes = state.changeByRange(range => {
let line = state.doc.lineAt(range.from);
if (line.from == lastLine)
return { range };
lastLine = line.from;
let insert = state.toText((byLine ? text.line(i++).text : input) + state.lineBreak);
return { changes: { from: line.from, insert },
range: EditorSelection.cursor(range.from + insert.length) };
});
}
else if (byLine) {
changes = state.changeByRange(range => {
let line = text.line(i++);
return { changes: { from: range.from, to: range.to, insert: line.text },
range: EditorSelection.cursor(range.from + line.length) };
});
}
else {
changes = state.replaceSelection(text);
}
view.dispatch(changes, {
userEvent: "input.paste",
scrollIntoView: true
});
}
observers.scroll = view => {
view.inputState.lastScrollTop = view.scrollDOM.scrollTop;
view.inputState.lastScrollLeft = view.scrollDOM.scrollLeft;
};
handlers.keydown = (view, event) => {
view.inputState.setSelectionOrigin("select");
if (event.keyCode == 27 && view.inputState.tabFocusMode != 0)
view.inputState.tabFocusMode = Date.now() + 2000;
return false;
};
observers.touchstart = (view, e) => {
view.inputState.lastTouchTime = Date.now();
view.inputState.setSelectionOrigin("select.pointer");
};
observers.touchmove = view => {
view.inputState.setSelectionOrigin("select.pointer");
};
handlers.mousedown = (view, event) => {
view.observer.flush();
if (view.inputState.lastTouchTime > Date.now() - 2000)
return false;
let style = null;
for (let makeStyle of view.state.facet(mouseSelectionStyle)) {
style = makeStyle(view, event);
if (style)
break;
}
if (!style && event.button == 0)
style = basicMouseSelection(view, event);
if (style) {
let mustFocus = !view.hasFocus;
view.inputState.startMouseSelection(new MouseSelection(view, event, style, mustFocus));
if (mustFocus)
view.observer.ignore(() => {
focusPreventScroll(view.contentDOM);
let active = view.root.activeElement;
if (active && !active.contains(view.contentDOM))
active.blur();
});
let mouseSel = view.inputState.mouseSelection;
if (mouseSel) {
mouseSel.start(event);
return mouseSel.dragging === false;
}
}
else {
view.inputState.setSelectionOrigin("select.pointer");
}
return false;
};
function rangeForClick(view, pos, bias, type) {
if (type == 1) {
return EditorSelection.cursor(pos, bias);
}
else if (type == 2) {
return groupAt(view.state, pos, bias);
}
else {
let visual = view.docView.lineAt(pos, bias), line = view.state.doc.lineAt(visual ? visual.posAtEnd : pos);
let from = visual ? visual.posAtStart : line.from, to = visual ? visual.posAtEnd : line.to;
if (to < view.state.doc.length && to == line.to)
to++;
return EditorSelection.range(from, to);
}
}
const BadMouseDetail = browser.ie && browser.ie_version <= 11;
let lastMouseDown = null, lastMouseDownCount = 0, lastMouseDownTime = 0;
function getClickType(event) {
if (!BadMouseDetail)
return event.detail;
let last = lastMouseDown, lastTime = lastMouseDownTime;
lastMouseDown = event;
lastMouseDownTime = Date.now();
return lastMouseDownCount = !last || (lastTime > Date.now() - 400 && Math.abs(last.clientX - event.clientX) < 2 &&
Math.abs(last.clientY - event.clientY) < 2) ? (lastMouseDownCount + 1) % 3 : 1;
}
function basicMouseSelection(view, event) {
let start = view.posAndSideAtCoords({ x: event.clientX, y: event.clientY }, false), type = getClickType(event);
let startSel = view.state.selection;
return {
update(update) {
if (update.docChanged) {
start.pos = update.changes.mapPos(start.pos);
startSel = startSel.map(update.changes);
}
},
get(event, extend, multiple) {
let cur = view.posAndSideAtCoords({ x: event.clientX, y: event.clientY }, false), removed;
let range = rangeForClick(view, cur.pos, cur.assoc, type);
if (start.pos != cur.pos && !extend) {
let startRange = rangeForClick(view, start.pos, start.assoc, type);
let from = Math.min(startRange.from, range.from), to = Math.max(startRange.to, range.to);
range = from < range.from ? EditorSelection.range(from, to) : EditorSelection.range(to, from);
}
if (extend)
return startSel.replaceRange(startSel.main.extend(range.from, range.to));
else if (multiple && type == 1 && startSel.ranges.length > 1 && (removed = removeRangeAround(startSel, cur.pos)))
return removed;
else if (multiple)
return startSel.addRange(range);
else
return EditorSelection.create([range]);
}
};
}
function removeRangeAround(sel, pos) {
for (let i = 0; i < sel.ranges.length; i++) {
let { from, to } = sel.ranges[i];
if (from <= pos && to >= pos)
return EditorSelection.create(sel.ranges.slice(0, i).concat(sel.ranges.slice(i + 1)), sel.mainIndex == i ? 0 : sel.mainIndex - (sel.mainIndex > i ? 1 : 0));
}
return null;
}
handlers.dragstart = (view, event) => {
let { selection: { main: range } } = view.state;
if (event.target.draggable) {
let tile = view.docView.tile.nearest(event.target);
if (tile && tile.isWidget()) {
let from = tile.posAtStart, to = from + tile.length;
if (from >= range.to || to <= range.from)
range = EditorSelection.range(from, to);
}
}
let { inputState } = view;
if (inputState.mouseSelection)
inputState.mouseSelection.dragging = true;
inputState.draggedContent = range;
if (event.dataTransfer) {
event.dataTransfer.setData("Text", textFilter(view.state, clipboardOutputFilter, view.state.sliceDoc(range.from, range.to)));
event.dataTransfer.effectAllowed = "copyMove";
}
return false;
};
handlers.dragend = view => {
view.inputState.draggedContent = null;
return false;
};
function dropText(view, event, text, direct) {
text = textFilter(view.state, clipboardInputFilter, text);
if (!text)
return;
let dropPos = view.posAtCoords({ x: event.clientX, y: event.clientY }, false);
let { draggedContent } = view.inputState;
let del = direct && draggedContent && dragMovesSelection(view, event)
? { from: draggedContent.from, to: draggedContent.to } : null;
let ins = { from: dropPos, insert: text };
let changes = view.state.changes(del ? [del, ins] : ins);
view.focus();
view.dispatch({
changes,
selection: { anchor: changes.mapPos(dropPos, -1), head: changes.mapPos(dropPos, 1) },
userEvent: del ? "move.drop" : "input.drop"
});
view.inputState.draggedContent = null;
}
handlers.drop = (view, event) => {
if (!event.dataTransfer)
return false;
if (view.state.readOnly)
return true;
let files = event.dataTransfer.files;
if (files && files.length) {
let text = Array(files.length), read = 0;
let finishFile = () => {
if (++read == files.length)
dropText(view, event, text.filter(s => s != null).join(view.state.lineBreak), false);
};
for (let i = 0; i < files.length; i++) {
let reader = new FileReader;
reader.onerror = finishFile;
reader.onload = () => {
if (!/[\x00-\x08\x0e-\x1f]{2}/.test(reader.result))
text[i] = reader.result;
finishFile();
};
reader.readAsText(files[i]);
}
return true;
}
else {
let text = event.dataTransfer.getData("Text");
if (text) {
dropText(view, event, text, true);
return true;
}
}
return false;
};
handlers.paste = (view, event) => {
if (view.state.readOnly)
return true;
view.observer.flush();
let data = brokenClipboardAPI ? null : event.clipboardData;
if (data) {
doPaste(view, data.getData("text/plain") || data.getData("text/uri-list"));
return true;
}
else {
capturePaste(view);
return false;
}
};
function captureCopy(view, text) {
let parent = view.dom.parentNode;
if (!parent)
return;
let target = parent.appendChild(document.createElement("textarea"));
target.style.cssText = "position: fixed; left: -10000px; top: 10px";
target.value = text;
target.focus();
target.selectionEnd = text.length;
target.selectionStart = 0;
setTimeout(() => {
target.remove();
view.focus();
}, 50);
}
function copiedRange(state) {
let content = [], ranges = [], linewise = false;
for (let range of state.selection.ranges)
if (!range.empty) {
content.push(state.sliceDoc(range.from, range.to));
ranges.push(range);
}
if (!content.length) {
let upto = -1;
for (let { from } of state.selection.ranges) {
let line = state.doc.lineAt(from);
if (line.number > upto) {
content.push(line.text);
ranges.push({ from: line.from, to: Math.min(state.doc.length, line.to + 1) });
}
upto = line.number;
}
linewise = true;
}
return { text: textFilter(state, clipboardOutputFilter, content.join(state.lineBreak)), ranges, linewise };
}
let lastLinewiseCopy = null;
handlers.copy = handlers.cut = (view, event) => {
let domSel = getSelection(view.root);
if (domSel && !hasSelection(view.contentDOM, domSel))
return false;
let { text, ranges, linewise } = copiedRange(view.state);
if (!text && !linewise)
return false;
lastLinewiseCopy = linewise ? text : null;
if (event.type == "cut" && !view.state.readOnly)
view.dispatch({
changes: ranges,
scrollIntoView: true,
userEvent: "delete.cut"
});
let data = brokenClipboardAPI ? null : event.clipboardData;
if (data) {
data.clearData();
data.setData("text/plain", text);
return true;
}
else {
captureCopy(view, text);
return false;
}
};
const isFocusChange = Annotation.define();
function focusChangeTransaction(state, focus) {
let effects = [];
for (let getEffect of state.facet(focusChangeEffect)) {
let effect = getEffect(state, focus);
if (effect)
effects.push(effect);
}
return effects.length ? state.update({ effects, annotations: isFocusChange.of(true) }) : null;
}
function updateForFocusChange(view) {
setTimeout(() => {
let focus = view.hasFocus;
if (focus != view.inputState.notifiedFocused) {
let tr = focusChangeTransaction(view.state, focus);
if (tr)
view.dispatch(tr);
else
view.update([]);
}
}, 10);
}
observers.focus = view => {
view.inputState.lastFocusTime = Date.now();
if (!view.scrollDOM.scrollTop && (view.inputState.lastScrollTop || view.inputState.lastScrollLeft)) {
view.scrollDOM.scrollTop = view.inputState.lastScrollTop;
view.scrollDOM.scrollLeft = view.inputState.lastScrollLeft;
}
updateForFocusChange(view);
};
observers.blur = view => {
view.observer.clearSelectionRange();
updateForFocusChange(view);
};
observers.compositionstart = observers.compositionupdate = view => {
if (view.observer.editContext)
return;
if (view.inputState.compositionFirstChange == null)
view.inputState.compositionFirstChange = true;
if (view.inputState.composing < 0) {
view.inputState.composing = 0;
}
};
observers.compositionend = view => {
if (view.observer.editContext)
return;
view.inputState.composing = -1;
view.inputState.compositionEndedAt = Date.now();
view.inputState.compositionPendingKey = true;
view.inputState.compositionPendingChange = view.observer.pendingRecords().length > 0;
view.inputState.compositionFirstChange = null;
if (browser.chrome && browser.android) {
view.observer.flushSoon();
}
else if (view.inputState.compositionPendingChange) {
Promise.resolve().then(() => view.observer.flush());
}
else {
setTimeout(() => {
if (view.inputState.composing < 0 && view.docView.hasComposition)
view.update([]);
}, 50);
}
};
observers.contextmenu = view => {
view.inputState.lastContextMenu = Date.now();
};
handlers.beforeinput = (view, event) => {
var _a, _b;
if (event.inputType == "insertText" || event.inputType == "insertCompositionText") {
view.inputState.insertingText = event.data;
view.inputState.insertingTextAt = Date.now();
}
if (event.inputType == "insertReplacementText" && view.observer.editContext) {
let text = (_a = event.dataTransfer) === null || _a === void 0 ? void 0 : _a.getData("text/plain"), ranges = event.getTargetRanges();
if (text && ranges.length) {
let r = ranges[0];
let from = view.posAtDOM(r.startContainer, r.startOffset), to = view.posAtDOM(r.endContainer, r.endOffset);
applyDOMChangeInner(view, { from, to, insert: view.state.toText(text) }, null);
return true;
}
}
let pending;
if (browser.chrome && browser.android && (pending = PendingKeys.find(key => key.inputType == event.inputType))) {
view.observer.delayAndroidKey(pending.key, pending.keyCode);
if (pending.key == "Backspace" || pending.key == "Delete") {
let startViewHeight = ((_b = window.visualViewport) === null || _b === void 0 ? void 0 : _b.height) || 0;
setTimeout(() => {
var _a;
if ((((_a = window.visualViewport) === null || _a === void 0 ? void 0 : _a.height) || 0) > startViewHeight + 10 && view.hasFocus) {
view.contentDOM.blur();
view.focus();
}
}, 100);
}
}
if (browser.ios && event.inputType == "deleteContentForward") {
view.observer.flushSoon();
}
if (browser.safari && event.inputType == "insertText" && view.inputState.composing >= 0) {
setTimeout(() => observers.compositionend(view, event), 20);
}
return false;
};
const appliedFirefoxHack = new Set;
function firefoxCopyCutHack(doc) {
if (!appliedFirefoxHack.has(doc)) {
appliedFirefoxHack.add(doc);
doc.addEventListener("copy", () => { });
doc.addEventListener("cut", () => { });
}
}
const wrappingWhiteSpace = ["pre-wrap", "normal", "pre-line", "break-spaces"];
let heightChangeFlag = false;
function clearHeightChangeFlag() { heightChangeFlag = false; }
class HeightOracle {
constructor(lineWrapping) {
this.lineWrapping = lineWrapping;
this.doc = Text.empty;
this.heightSamples = {};
this.lineHeight = 14;
this.charWidth = 7;
this.textHeight = 14;
this.lineLength = 30;
}
heightForGap(from, to) {
let lines = this.doc.lineAt(to).number - this.doc.lineAt(from).number + 1;
if (this.lineWrapping)
lines += Math.max(0, Math.ceil(((to - from) - (lines * this.lineLength * 0.5)) / this.lineLength));
return this.lineHeight * lines;
}
heightForLine(length) {
if (!this.lineWrapping)
return this.lineHeight;
let lines = 1 + Math.max(0, Math.ceil((length - this.lineLength) / Math.max(1, this.lineLength - 5)));
return lines * this.lineHeight;
}
setDoc(doc) { this.doc = doc; return this; }
mustRefreshForWrapping(whiteSpace) {
return (wrappingWhiteSpace.indexOf(whiteSpace) > -1) != this.lineWrapping;
}
mustRefreshForHeights(lineHeights) {
let newHeight = false;
for (let i = 0; i < lineHeights.length; i++) {
let h = lineHeights[i];
if (h < 0) {
i++;
}
else if (!this.heightSamples[Math.floor(h * 10)]) {
newHeight = true;
this.heightSamples[Math.floor(h * 10)] = true;
}
}
return newHeight;
}
refresh(whiteSpace, lineHeight, charWidth, textHeight, lineLength, knownHeights) {
let lineWrapping = wrappingWhiteSpace.indexOf(whiteSpace) > -1;
let changed = Math.abs(lineHeight - this.lineHeight) > 0.3 || this.lineWrapping != lineWrapping ||
Math.abs(charWidth - this.charWidth) > 0.1;
this.lineWrapping = lineWrapping;
this.lineHeight = lineHeight;
this.charWidth = charWidth;
this.textHeight = textHeight;
this.lineLength = lineLength;
if (changed) {
this.heightSamples = {};
for (let i = 0; i < knownHeights.length; i++) {
let h = knownHeights[i];
if (h < 0)
i++;
else
this.heightSamples[Math.floor(h * 10)] = true;
}
}
return changed;
}
}
class MeasuredHeights {
constructor(from, heights) {
this.from = from;
this.heights = heights;
this.index = 0;
}
get more() { return this.index < this.heights.length; }
}
class BlockInfo {
constructor(
from,
length,
top,
height,
_content) {
this.from = from;
this.length = length;
this.top = top;
this.height = height;
this._content = _content;
}
get type() {
return typeof this._content == "number" ? BlockType.Text :
Array.isArray(this._content) ? this._content : this._content.type;
}
get to() { return this.from + this.length; }
get bottom() { return this.top + this.height; }
get widget() {
return this._content instanceof PointDecoration ? this._content.widget : null;
}
get widgetLineBreaks() {
return typeof this._content == "number" ? this._content : 0;
}
join(other) {
let content = (Array.isArray(this._content) ? this._content : [this])
.concat(Array.isArray(other._content) ? other._content : [other]);
return new BlockInfo(this.from, this.length + other.length, this.top, this.height + other.height, content);
}
}
var QueryType$1 = (function (QueryType) {
QueryType[QueryType["ByPos"] = 0] = "ByPos";
QueryType[QueryType["ByHeight"] = 1] = "ByHeight";
QueryType[QueryType["ByPosNoHeight"] = 2] = "ByPosNoHeight";
return QueryType})(QueryType$1 || (QueryType$1 = {}));
const Epsilon = 1e-3;
class HeightMap {
constructor(length,
height,
flags = 2 ) {
this.length = length;
this.height = height;
this.flags = flags;
}
get outdated() { return (this.flags & 2 ) > 0; }
set outdated(value) { this.flags = (value ? 2 : 0) | (this.flags & -3 ); }
setHeight(height) {
if (this.height != height) {
if (Math.abs(this.height - height) > Epsilon)
heightChangeFlag = true;
this.height = height;
}
}
replace(_from, _to, nodes) {
return HeightMap.of(nodes);
}
decomposeLeft(_to, result) { result.push(this); }
decomposeRight(_from, result) { result.push(this); }
applyChanges(decorations, oldDoc, oracle, changes) {
let me = this, doc = oracle.doc;
for (let i = changes.length - 1; i >= 0; i--) {
let { fromA, toA, fromB, toB } = changes[i];
let start = me.lineAt(fromA, QueryType$1.ByPosNoHeight, oracle.setDoc(oldDoc), 0, 0);
let end = start.to >= toA ? start : me.lineAt(toA, QueryType$1.ByPosNoHeight, oracle, 0, 0);
toB += end.to - toA;
toA = end.to;
while (i > 0 && start.from <= changes[i - 1].toA) {
fromA = changes[i - 1].fromA;
fromB = changes[i - 1].fromB;
i--;
if (fromA < start.from)
start = me.lineAt(fromA, QueryType$1.ByPosNoHeight, oracle, 0, 0);
}
fromB += start.from - fromA;
fromA = start.from;
let nodes = NodeBuilder.build(oracle.setDoc(doc), decorations, fromB, toB);
me = replace(me, me.replace(fromA, toA, nodes));
}
return me.updateHeight(oracle, 0);
}
static empty() { return new HeightMapText(0, 0, 0); }
static of(nodes) {
if (nodes.length == 1)
return nodes[0];
let i = 0, j = nodes.length, before = 0, after = 0;
for (;;) {
if (i == j) {
if (before > after * 2) {
let split = nodes[i - 1];
if (split.break)
nodes.splice(--i, 1, split.left, null, split.right);
else
nodes.splice(--i, 1, split.left, split.right);
j += 1 + split.break;
before -= split.size;
}
else if (after > before * 2) {
let split = nodes[j];
if (split.break)
nodes.splice(j, 1, split.left, null, split.right);
else
nodes.splice(j, 1, split.left, split.right);
j += 2 + split.break;
after -= split.size;
}
else {
break;
}
}
else if (before < after) {
let next = nodes[i++];
if (next)
before += next.size;
}
else {
let next = nodes[--j];
if (next)
after += next.size;
}
}
let brk = 0;
if (nodes[i - 1] == null) {
brk = 1;
i--;
}
else if (nodes[i] == null) {
brk = 1;
j++;
}
return new HeightMapBranch(HeightMap.of(nodes.slice(0, i)), brk, HeightMap.of(nodes.slice(j)));
}
}
function replace(old, val) {
if (old == val)
return old;
if (old.constructor != val.constructor)
heightChangeFlag = true;
return val;
}
HeightMap.prototype.size = 1;
const SpaceDeco = Decoration.replace({});
class HeightMapBlock extends HeightMap {
constructor(length, height, deco) {
super(length, height);
this.deco = deco;
this.spaceAbove = 0;
}
mainBlock(top, offset) {
return new BlockInfo(offset, this.length, top + this.spaceAbove, this.height - this.spaceAbove, this.deco || 0);
}
blockAt(height, _oracle, top, offset) {
return this.spaceAbove && height < top + this.spaceAbove ? new BlockInfo(offset, 0, top, this.spaceAbove, SpaceDeco)
: this.mainBlock(top, offset);
}
lineAt(_value, _type, oracle, top, offset) {
let main = this.mainBlock(top, offset);
return this.spaceAbove ? this.blockAt(0, oracle, top, offset).join(main) : main;
}
forEachLine(from, to, oracle, top, offset, f) {
if (from <= offset + this.length && to >= offset)
f(this.lineAt(0, QueryType$1.ByPos, oracle, top, offset));
}
setMeasuredHeight(measured) {
let next = measured.heights[measured.index++];
if (next < 0) {
this.spaceAbove = -next;
next = measured.heights[measured.index++];
}
else {
this.spaceAbove = 0;
}
this.setHeight(next);
}
updateHeight(oracle, offset = 0, _force = false, measured) {
if (measured && measured.from <= offset && measured.more)
this.setMeasuredHeight(measured);
this.outdated = false;
return this;
}
toString() { return `block(${this.length})`; }
}
class HeightMapText extends HeightMapBlock {
constructor(length, height, above) {
super(length, height, null);
this.collapsed = 0;
this.widgetHeight = 0;
this.breaks = 0;
this.spaceAbove = above;
}
mainBlock(top, offset) {
return new BlockInfo(offset, this.length, top + this.spaceAbove, this.height - this.spaceAbove, this.breaks);
}
replace(_from, _to, nodes) {
let node = nodes[0];
if (nodes.length == 1 && (node instanceof HeightMapText || node instanceof HeightMapGap && (node.flags & 4 )) &&
Math.abs(this.length - node.length) < 10) {
if (node instanceof HeightMapGap)
node = new HeightMapText(node.length, this.height, this.spaceAbove);
else
node.height = this.height;
if (!this.outdated)
node.outdated = false;
return node;
}
else {
return HeightMap.of(nodes);
}
}
updateHeight(oracle, offset = 0, force = false, measured) {
if (measured && measured.from <= offset && measured.more) {
this.setMeasuredHeight(measured);
}
else if (force || this.outdated) {
this.spaceAbove = 0;
this.setHeight(Math.max(this.widgetHeight, oracle.heightForLine(this.length - this.collapsed)) +
this.breaks * oracle.lineHeight);
}
this.outdated = false;
return this;
}
toString() {
return `line(${this.length}${this.collapsed ? -this.collapsed : ""}${this.widgetHeight ? ":" + this.widgetHeight : ""})`;
}
}
class HeightMapGap extends HeightMap {
constructor(length) { super(length, 0); }
heightMetrics(oracle, offset) {
let firstLine = oracle.doc.lineAt(offset).number, lastLine = oracle.doc.lineAt(offset + this.length).number;
let lines = lastLine - firstLine + 1;
let perLine, perChar = 0;
if (oracle.lineWrapping) {
let totalPerLine = Math.min(this.height, oracle.lineHeight * lines);
perLine = totalPerLine / lines;
if (this.length > lines + 1)
perChar = (this.height - totalPerLine) / (this.length - lines - 1);
}
else {
perLine = this.height / lines;
}
return { firstLine, lastLine, perLine, perChar };
}
blockAt(height, oracle, top, offset) {
let { firstLine, lastLine, perLine, perChar } = this.heightMetrics(oracle, offset);
if (oracle.lineWrapping) {
let guess = offset + (height < oracle.lineHeight ? 0
: Math.round(Math.max(0, Math.min(1, (height - top) / this.height)) * this.length));
let line = oracle.doc.lineAt(guess), lineHeight = perLine + line.length * perChar;
let lineTop = Math.max(top, height - lineHeight / 2);
return new BlockInfo(line.from, line.length, lineTop, lineHeight, 0);
}
else {
let line = Math.max(0, Math.min(lastLine - firstLine, Math.floor((height - top) / perLine)));
let { from, length } = oracle.doc.line(firstLine + line);
return new BlockInfo(from, length, top + perLine * line, perLine, 0);
}
}
lineAt(value, type, oracle, top, offset) {
if (type == QueryType$1.ByHeight)
return this.blockAt(value, oracle, top, offset);
if (type == QueryType$1.ByPosNoHeight) {
let { from, to } = oracle.doc.lineAt(value);
return new BlockInfo(from, to - from, 0, 0, 0);
}
let { firstLine, perLine, perChar } = this.heightMetrics(oracle, offset);
let line = oracle.doc.lineAt(value), lineHeight = perLine + line.length * perChar;
let linesAbove = line.number - firstLine;
let lineTop = top + perLine * linesAbove + perChar * (line.from - offset - linesAbove);
return new BlockInfo(line.from, line.length, Math.max(top, Math.min(lineTop, top + this.height - lineHeight)), lineHeight, 0);
}
forEachLine(from, to, oracle, top, offset, f) {
from = Math.max(from, offset);
to = Math.min(to, offset + this.length);
let { firstLine, perLine, perChar } = this.heightMetrics(oracle, offset);
for (let pos = from, lineTop = top; pos <= to;) {
let line = oracle.doc.lineAt(pos);
if (pos == from) {
let linesAbove = line.number - firstLine;
lineTop += perLine * linesAbove + perChar * (from - offset - linesAbove);
}
let lineHeight = perLine + perChar * line.length;
f(new BlockInfo(line.from, line.length, lineTop, lineHeight, 0));
lineTop += lineHeight;
pos = line.to + 1;
}
}
replace(from, to, nodes) {
let after = this.length - to;
if (after > 0) {
let last = nodes[nodes.length - 1];
if (last instanceof HeightMapGap)
nodes[nodes.length - 1] = new HeightMapGap(last.length + after);
else
nodes.push(null, new HeightMapGap(after - 1));
}
if (from > 0) {
let first = nodes[0];
if (first instanceof HeightMapGap)
nodes[0] = new HeightMapGap(from + first.length);
else
nodes.unshift(new HeightMapGap(from - 1), null);
}
return HeightMap.of(nodes);
}
decomposeLeft(to, result) {
result.push(new HeightMapGap(to - 1), null);
}
decomposeRight(from, result) {
result.push(null, new HeightMapGap(this.length - from - 1));
}
updateHeight(oracle, offset = 0, force = false, measured) {
let end = offset + this.length;
if (measured && measured.from <= offset + this.length && measured.more) {
let nodes = [], pos = Math.max(offset, measured.from), singleHeight = -1;
if (measured.from > offset)
nodes.push(new HeightMapGap(measured.from - offset - 1).updateHeight(oracle, offset));
while (pos <= end && measured.more) {
let len = oracle.doc.lineAt(pos).length;
if (nodes.length)
nodes.push(null);
let height = measured.heights[measured.index++], above = 0;
if (height < 0) {
above = -height;
height = measured.heights[measured.index++];
}
if (singleHeight == -1)
singleHeight = height;
else if (Math.abs(height - singleHeight) >= Epsilon)
singleHeight = -2;
let line = new HeightMapText(len, height, above);
line.outdated = false;
nodes.push(line);
pos += len + 1;
}
if (pos <= end)
nodes.push(null, new HeightMapGap(end - pos).updateHeight(oracle, pos));
let result = HeightMap.of(nodes);
if (singleHeight < 0 || Math.abs(result.height - this.height) >= Epsilon ||
Math.abs(singleHeight - this.heightMetrics(oracle, offset).perLine) >= Epsilon)
heightChangeFlag = true;
return replace(this, result);
}
else if (force || this.outdated) {
this.setHeight(oracle.heightForGap(offset, offset + this.length));
this.outdated = false;
}
return this;
}
toString() { return `gap(${this.length})`; }
}
class HeightMapBranch extends HeightMap {
constructor(left, brk, right) {
super(left.length + brk + right.length, left.height + right.height, brk | (left.outdated || right.outdated ? 2 : 0));
this.left = left;
this.right = right;
this.size = left.size + right.size;
}
get break() { return this.flags & 1 ; }
blockAt(height, oracle, top, offset) {
let mid = top + this.left.height;
return height < mid ? this.left.blockAt(height, oracle, top, offset)
: this.right.blockAt(height, oracle, mid, offset + this.left.length + this.break);
}
lineAt(value, type, oracle, top, offset) {
let rightTop = top + this.left.height, rightOffset = offset + this.left.length + this.break;
let left = type == QueryType$1.ByHeight ? value < rightTop : value < rightOffset;
let base = left ? this.left.lineAt(value, type, oracle, top, offset)
: this.right.lineAt(value, type, oracle, rightTop, rightOffset);
if (this.break || (left ? base.to < rightOffset : base.from > rightOffset))
return base;
let subQuery = type == QueryType$1.ByPosNoHeight ? QueryType$1.ByPosNoHeight : QueryType$1.ByPos;
if (left)
return base.join(this.right.lineAt(rightOffset, subQuery, oracle, rightTop, rightOffset));
else
return this.left.lineAt(rightOffset, subQuery, oracle, top, offset).join(base);
}
forEachLine(from, to, oracle, top, offset, f) {
let rightTop = top + this.left.height, rightOffset = offset + this.left.length + this.break;
if (this.break) {
if (from < rightOffset)
this.left.forEachLine(from, to, oracle, top, offset, f);
if (to >= rightOffset)
this.right.forEachLine(from, to, oracle, rightTop, rightOffset, f);
}
else {
let mid = this.lineAt(rightOffset, QueryType$1.ByPos, oracle, top, offset);
if (from < mid.from)
this.left.forEachLine(from, mid.from - 1, oracle, top, offset, f);
if (mid.to >= from && mid.from <= to)
f(mid);
if (to > mid.to)
this.right.forEachLine(mid.to + 1, to, oracle, rightTop, rightOffset, f);
}
}
replace(from, to, nodes) {
let rightStart = this.left.length + this.break;
if (to < rightStart)
return this.balanced(this.left.replace(from, to, nodes), this.right);
if (from > this.left.length)
return this.balanced(this.left, this.right.replace(from - rightStart, to - rightStart, nodes));
let result = [];
if (from > 0)
this.decomposeLeft(from, result);
let left = result.length;
for (let node of nodes)
result.push(node);
if (from > 0)
mergeGaps(result, left - 1);
if (to < this.length) {
let right = result.length;
this.decomposeRight(to, result);
mergeGaps(result, right);
}
return HeightMap.of(result);
}
decomposeLeft(to, result) {
let left = this.left.length;
if (to <= left)
return this.left.decomposeLeft(to, result);
result.push(this.left);
if (this.break) {
left++;
if (to >= left)
result.push(null);
}
if (to > left)
this.right.decomposeLeft(to - left, result);
}
decomposeRight(from, result) {
let left = this.left.length, right = left + this.break;
if (from >= right)
return this.right.decomposeRight(from - right, result);
if (from < left)
this.left.decomposeRight(from, result);
if (this.break && from < right)
result.push(null);
result.push(this.right);
}
balanced(left, right) {
if (left.size > 2 * right.size || right.size > 2 * left.size)
return HeightMap.of(this.break ? [left, null, right] : [left, right]);
this.left = replace(this.left, left);
this.right = replace(this.right, right);
this.setHeight(left.height + right.height);
this.outdated = left.outdated || right.outdated;
this.size = left.size + right.size;
this.length = left.length + this.break + right.length;
return this;
}
updateHeight(oracle, offset = 0, force = false, measured) {
let { left, right } = this, rightStart = offset + left.length + this.break, rebalance = null;
if (measured && measured.from <= offset + left.length && measured.more)
rebalance = left = left.updateHeight(oracle, offset, force, measured);
else
left.updateHeight(oracle, offset, force);
if (measured && measured.from <= rightStart + right.length && measured.more)
rebalance = right = right.updateHeight(oracle, rightStart, force, measured);
else
right.updateHeight(oracle, rightStart, force);
if (rebalance)
return this.balanced(left, right);
this.height = this.left.height + this.right.height;
this.outdated = false;
return this;
}
toString() { return this.left + (this.break ? " " : "-") + this.right; }
}
function mergeGaps(nodes, around) {
let before, after;
if (nodes[around] == null &&
(before = nodes[around - 1]) instanceof HeightMapGap &&
(after = nodes[around + 1]) instanceof HeightMapGap)
nodes.splice(around - 1, 3, new HeightMapGap(before.length + 1 + after.length));
}
const relevantWidgetHeight = 5;
class NodeBuilder {
constructor(pos, oracle) {
this.pos = pos;
this.oracle = oracle;
this.nodes = [];
this.lineStart = -1;
this.lineEnd = -1;
this.covering = null;
this.writtenTo = pos;
}
get isCovered() {
return this.covering && this.nodes[this.nodes.length - 1] == this.covering;
}
span(_from, to) {
if (this.lineStart > -1) {
let end = Math.min(to, this.lineEnd), last = this.nodes[this.nodes.length - 1];
if (last instanceof HeightMapText)
last.length += end - this.pos;
else if (end > this.pos || !this.isCovered)
this.nodes.push(new HeightMapText(end - this.pos, -1, 0));
this.writtenTo = end;
if (to > end) {
this.nodes.push(null);
this.writtenTo++;
this.lineStart = -1;
}
}
this.pos = to;
}
point(from, to, deco) {
if (from < to || deco.heightRelevant) {
let height = deco.widget ? deco.widget.estimatedHeight : 0;
let breaks = deco.widget ? deco.widget.lineBreaks : 0;
if (height < 0)
height = this.oracle.lineHeight;
let len = to - from;
if (deco.block) {
this.addBlock(new HeightMapBlock(len, height, deco));
}
else if (len || breaks || height >= relevantWidgetHeight) {
this.addLineDeco(height, breaks, len);
}
}
else if (to > from) {
this.span(from, to);
}
if (this.lineEnd > -1 && this.lineEnd < this.pos)
this.lineEnd = this.oracle.doc.lineAt(this.pos).to;
}
enterLine() {
if (this.lineStart > -1)
return;
let { from, to } = this.oracle.doc.lineAt(this.pos);
this.lineStart = from;
this.lineEnd = to;
if (this.writtenTo < from) {
if (this.writtenTo < from - 1 || this.nodes[this.nodes.length - 1] == null)
this.nodes.push(this.blankContent(this.writtenTo, from - 1));
this.nodes.push(null);
}
if (this.pos > from)
this.nodes.push(new HeightMapText(this.pos - from, -1, 0));
this.writtenTo = this.pos;
}
blankContent(from, to) {
let gap = new HeightMapGap(to - from);
if (this.oracle.doc.lineAt(from).to == to)
gap.flags |= 4 ;
return gap;
}
ensureLine() {
this.enterLine();
let last = this.nodes.length ? this.nodes[this.nodes.length - 1] : null;
if (last instanceof HeightMapText)
return last;
let line = new HeightMapText(0, -1, 0);
this.nodes.push(line);
return line;
}
addBlock(block) {
this.enterLine();
let deco = block.deco;
if (deco && deco.startSide > 0 && !this.isCovered)
this.ensureLine();
this.nodes.push(block);
this.writtenTo = this.pos = this.pos + block.length;
if (deco && deco.endSide > 0)
this.covering = block;
}
addLineDeco(height, breaks, length) {
let line = this.ensureLine();
line.length += length;
line.collapsed += length;
line.widgetHeight = Math.max(line.widgetHeight, height);
line.breaks += breaks;
this.writtenTo = this.pos = this.pos + length;
}
finish(from) {
let last = this.nodes.length == 0 ? null : this.nodes[this.nodes.length - 1];
if (this.lineStart > -1 && !(last instanceof HeightMapText) && !this.isCovered)
this.nodes.push(new HeightMapText(0, -1, 0));
else if (this.writtenTo < this.pos || last == null)
this.nodes.push(this.blankContent(this.writtenTo, this.pos));
let pos = from;
for (let node of this.nodes) {
if (node instanceof HeightMapText)
node.updateHeight(this.oracle, pos);
pos += node ? node.length : 1;
}
return this.nodes;
}
static build(oracle, decorations, from, to) {
let builder = new NodeBuilder(from, oracle);
RangeSet.spans(decorations, from, to, builder, 0);
return builder.finish(from);
}
}
function heightRelevantDecoChanges(a, b, diff) {
let comp = new DecorationComparator;
RangeSet.compare(a, b, diff, comp, 0);
return comp.changes;
}
class DecorationComparator {
constructor() {
this.changes = [];
}
compareRange() { }
comparePoint(from, to, a, b) {
if (from < to || a && a.heightRelevant || b && b.heightRelevant)
addRange(from, to, this.changes, 5);
}
}
function visiblePixelRange(dom, paddingTop) {
let rect = dom.getBoundingClientRect();
let doc = dom.ownerDocument, win = doc.defaultView || window;
let left = Math.max(0, rect.left), right = Math.min(win.innerWidth, rect.right);
let top = Math.max(0, rect.top), bottom = Math.min(win.innerHeight, rect.bottom);
for (let parent = dom.parentNode; parent && parent != doc.body;) {
if (parent.nodeType == 1) {
let elt = parent;
let style = window.getComputedStyle(elt);
if ((elt.scrollHeight > elt.clientHeight || elt.scrollWidth > elt.clientWidth) &&
style.overflow != "visible") {
let parentRect = elt.getBoundingClientRect();
left = Math.max(left, parentRect.left);
right = Math.min(right, parentRect.right);
top = Math.max(top, parentRect.top);
bottom = Math.min(parent == dom.parentNode ? win.innerHeight : bottom, parentRect.bottom);
}
parent = style.position == "absolute" || style.position == "fixed" ? elt.offsetParent : elt.parentNode;
}
else if (parent.nodeType == 11) {
parent = parent.host;
}
else {
break;
}
}
return { left: left - rect.left, right: Math.max(left, right) - rect.left,
top: top - (rect.top + paddingTop), bottom: Math.max(top, bottom) - (rect.top + paddingTop) };
}
function inWindow(elt) {
let rect = elt.getBoundingClientRect(), win = elt.ownerDocument.defaultView || window;
return rect.left < win.innerWidth && rect.right > 0 &&
rect.top < win.innerHeight && rect.bottom > 0;
}
function fullPixelRange(dom, paddingTop) {
let rect = dom.getBoundingClientRect();
return { left: 0, right: rect.right - rect.left,
top: paddingTop, bottom: rect.bottom - (rect.top + paddingTop) };
}
class LineGap {
constructor(from, to, size, displaySize) {
this.from = from;
this.to = to;
this.size = size;
this.displaySize = displaySize;
}
static same(a, b) {
if (a.length != b.length)
return false;
for (let i = 0; i < a.length; i++) {
let gA = a[i], gB = b[i];
if (gA.from != gB.from || gA.to != gB.to || gA.size != gB.size)
return false;
}
return true;
}
draw(viewState, wrapping) {
return Decoration.replace({
widget: new LineGapWidget(this.displaySize * (wrapping ? viewState.scaleY : viewState.scaleX), wrapping)
}).range(this.from, this.to);
}
}
class LineGapWidget extends WidgetType {
constructor(size, vertical) {
super();
this.size = size;
this.vertical = vertical;
}
eq(other) { return other.size == this.size && other.vertical == this.vertical; }
toDOM() {
let elt = document.createElement("div");
if (this.vertical) {
elt.style.height = this.size + "px";
}
else {
elt.style.width = this.size + "px";
elt.style.height = "2px";
elt.style.display = "inline-block";
}
return elt;
}
get estimatedHeight() { return this.vertical ? this.size : -1; }
}
class ViewState {
constructor(state) {
this.state = state;
this.pixelViewport = { left: 0, right: window.innerWidth, top: 0, bottom: 0 };
this.inView = true;
this.paddingTop = 0;
this.paddingBottom = 0;
this.contentDOMWidth = 0;
this.contentDOMHeight = 0;
this.editorHeight = 0;
this.editorWidth = 0;
this.scrollTop = 0;
this.scrolledToBottom = false;
this.scaleX = 1;
this.scaleY = 1;
this.scrollAnchorPos = 0;
this.scrollAnchorHeight = -1;
this.scaler = IdScaler;
this.scrollTarget = null;
this.printing = false;
this.mustMeasureContent = true;
this.defaultTextDirection = Direction.LTR;
this.visibleRanges = [];
this.mustEnforceCursorAssoc = false;
let guessWrapping = state.facet(contentAttributes).some(v => typeof v != "function" && v.class == "cm-lineWrapping");
this.heightOracle = new HeightOracle(guessWrapping);
this.stateDeco = staticDeco(state);
this.heightMap = HeightMap.empty().applyChanges(this.stateDeco, Text.empty, this.heightOracle.setDoc(state.doc), [new ChangedRange(0, 0, 0, state.doc.length)]);
for (let i = 0; i < 2; i++) {
this.viewport = this.getViewport(0, null);
if (!this.updateForViewport())
break;
}
this.updateViewportLines();
this.lineGaps = this.ensureLineGaps([]);
this.lineGapDeco = Decoration.set(this.lineGaps.map(gap => gap.draw(this, false)));
this.computeVisibleRanges();
}
updateForViewport() {
let viewports = [this.viewport], { main } = this.state.selection;
for (let i = 0; i <= 1; i++) {
let pos = i ? main.head : main.anchor;
if (!viewports.some(({ from, to }) => pos >= from && pos <= to)) {
let { from, to } = this.lineBlockAt(pos);
viewports.push(new Viewport(from, to));
}
}
this.viewports = viewports.sort((a, b) => a.from - b.from);
return this.updateScaler();
}
updateScaler() {
let scaler = this.scaler;
this.scaler = this.heightMap.height <= 7000000 ? IdScaler :
new BigScaler(this.heightOracle, this.heightMap, this.viewports);
return scaler.eq(this.scaler) ? 0 : 2 ;
}
updateViewportLines() {
this.viewportLines = [];
this.heightMap.forEachLine(this.viewport.from, this.viewport.to, this.heightOracle.setDoc(this.state.doc), 0, 0, block => {
this.viewportLines.push(scaleBlock(block, this.scaler));
});
}
update(update, scrollTarget = null) {
this.state = update.state;
let prevDeco = this.stateDeco;
this.stateDeco = staticDeco(this.state);
let contentChanges = update.changedRanges;
let heightChanges = ChangedRange.extendWithRanges(contentChanges, heightRelevantDecoChanges(prevDeco, this.stateDeco, update ? update.changes : ChangeSet.empty(this.state.doc.length)));
let prevHeight = this.heightMap.height;
let scrollAnchor = this.scrolledToBottom ? null : this.scrollAnchorAt(this.scrollTop);
clearHeightChangeFlag();
this.heightMap = this.heightMap.applyChanges(this.stateDeco, update.startState.doc, this.heightOracle.setDoc(this.state.doc), heightChanges);
if (this.heightMap.height != prevHeight || heightChangeFlag)
update.flags |= 2 ;
if (scrollAnchor) {
this.scrollAnchorPos = update.changes.mapPos(scrollAnchor.from, -1);
this.scrollAnchorHeight = scrollAnchor.top;
}
else {
this.scrollAnchorPos = -1;
this.scrollAnchorHeight = prevHeight;
}
let viewport = heightChanges.length ? this.mapViewport(this.viewport, update.changes) : this.viewport;
if (scrollTarget && (scrollTarget.range.head < viewport.from || scrollTarget.range.head > viewport.to) ||
!this.viewportIsAppropriate(viewport))
viewport = this.getViewport(0, scrollTarget);
let viewportChange = viewport.from != this.viewport.from || viewport.to != this.viewport.to;
this.viewport = viewport;
update.flags |= this.updateForViewport();
if (viewportChange || !update.changes.empty || (update.flags & 2 ))
this.updateViewportLines();
if (this.lineGaps.length || this.viewport.to - this.viewport.from > (2000 << 1))
this.updateLineGaps(this.ensureLineGaps(this.mapLineGaps(this.lineGaps, update.changes)));
update.flags |= this.computeVisibleRanges(update.changes);
if (scrollTarget)
this.scrollTarget = scrollTarget;
if (!this.mustEnforceCursorAssoc && (update.selectionSet || update.focusChanged) && update.view.lineWrapping &&
update.state.selection.main.empty && update.state.selection.main.assoc &&
!update.state.facet(nativeSelectionHidden))
this.mustEnforceCursorAssoc = true;
}
measure(view) {
let dom = view.contentDOM, style = window.getComputedStyle(dom);
let oracle = this.heightOracle;
let whiteSpace = style.whiteSpace;
this.defaultTextDirection = style.direction == "rtl" ? Direction.RTL : Direction.LTR;
let refresh = this.heightOracle.mustRefreshForWrapping(whiteSpace) || this.mustMeasureContent;
let domRect = dom.getBoundingClientRect();
let measureContent = refresh || this.mustMeasureContent || this.contentDOMHeight != domRect.height;
this.contentDOMHeight = domRect.height;
this.mustMeasureContent = false;
let result = 0, bias = 0;
if (domRect.width && domRect.height) {
let { scaleX, scaleY } = getScale(dom, domRect);
if (scaleX > .005 && Math.abs(this.scaleX - scaleX) > .005 ||
scaleY > .005 && Math.abs(this.scaleY - scaleY) > .005) {
this.scaleX = scaleX;
this.scaleY = scaleY;
result |= 16 ;
refresh = measureContent = true;
}
}
let paddingTop = (parseInt(style.paddingTop) || 0) * this.scaleY;
let paddingBottom = (parseInt(style.paddingBottom) || 0) * this.scaleY;
if (this.paddingTop != paddingTop || this.paddingBottom != paddingBottom) {
this.paddingTop = paddingTop;
this.paddingBottom = paddingBottom;
result |= 16 | 2 ;
}
if (this.editorWidth != view.scrollDOM.clientWidth) {
if (oracle.lineWrapping)
measureContent = true;
this.editorWidth = view.scrollDOM.clientWidth;
result |= 16 ;
}
let scrollTop = view.scrollDOM.scrollTop * this.scaleY;
if (this.scrollTop != scrollTop) {
this.scrollAnchorHeight = -1;
this.scrollTop = scrollTop;
}
this.scrolledToBottom = isScrolledToBottom(view.scrollDOM);
let pixelViewport = (this.printing ? fullPixelRange : visiblePixelRange)(dom, this.paddingTop);
let dTop = pixelViewport.top - this.pixelViewport.top, dBottom = pixelViewport.bottom - this.pixelViewport.bottom;
this.pixelViewport = pixelViewport;
let inView = this.pixelViewport.bottom > this.pixelViewport.top && this.pixelViewport.right > this.pixelViewport.left;
if (inView != this.inView) {
this.inView = inView;
if (inView)
measureContent = true;
}
if (!this.inView && !this.scrollTarget && !inWindow(view.dom))
return 0;
let contentWidth = domRect.width;
if (this.contentDOMWidth != contentWidth || this.editorHeight != view.scrollDOM.clientHeight) {
this.contentDOMWidth = domRect.width;
this.editorHeight = view.scrollDOM.clientHeight;
result |= 16 ;
}
if (measureContent) {
let lineHeights = view.docView.measureVisibleLineHeights(this.viewport);
if (oracle.mustRefreshForHeights(lineHeights))
refresh = true;
if (refresh || oracle.lineWrapping && Math.abs(contentWidth - this.contentDOMWidth) > oracle.charWidth) {
let { lineHeight, charWidth, textHeight } = view.docView.measureTextSize();
refresh = lineHeight > 0 && oracle.refresh(whiteSpace, lineHeight, charWidth, textHeight, Math.max(5, contentWidth / charWidth), lineHeights);
if (refresh) {
view.docView.minWidth = 0;
result |= 16 ;
}
}
if (dTop > 0 && dBottom > 0)
bias = Math.max(dTop, dBottom);
else if (dTop < 0 && dBottom < 0)
bias = Math.min(dTop, dBottom);
clearHeightChangeFlag();
for (let vp of this.viewports) {
let heights = vp.from == this.viewport.from ? lineHeights : view.docView.measureVisibleLineHeights(vp);
this.heightMap = (refresh ? HeightMap.empty().applyChanges(this.stateDeco, Text.empty, this.heightOracle, [new ChangedRange(0, 0, 0, view.state.doc.length)]) : this.heightMap).updateHeight(oracle, 0, refresh, new MeasuredHeights(vp.from, heights));
}
if (heightChangeFlag)
result |= 2 ;
}
let viewportChange = !this.viewportIsAppropriate(this.viewport, bias) ||
this.scrollTarget && (this.scrollTarget.range.head < this.viewport.from ||
this.scrollTarget.range.head > this.viewport.to);
if (viewportChange) {
if (result & 2 )
result |= this.updateScaler();
this.viewport = this.getViewport(bias, this.scrollTarget);
result |= this.updateForViewport();
}
if ((result & 2 ) || viewportChange)
this.updateViewportLines();
if (this.lineGaps.length || this.viewport.to - this.viewport.from > (2000 << 1))
this.updateLineGaps(this.ensureLineGaps(refresh ? [] : this.lineGaps, view));
result |= this.computeVisibleRanges();
if (this.mustEnforceCursorAssoc) {
this.mustEnforceCursorAssoc = false;
view.docView.enforceCursorAssoc();
}
return result;
}
get visibleTop() { return this.scaler.fromDOM(this.pixelViewport.top); }
get visibleBottom() { return this.scaler.fromDOM(this.pixelViewport.bottom); }
getViewport(bias, scrollTarget) {
let marginTop = 0.5 - Math.max(-0.5, Math.min(0.5, bias / 1000 / 2));
let map = this.heightMap, oracle = this.heightOracle;
let { visibleTop, visibleBottom } = this;
let viewport = new Viewport(map.lineAt(visibleTop - marginTop * 1000 , QueryType$1.ByHeight, oracle, 0, 0).from, map.lineAt(visibleBottom + (1 - marginTop) * 1000 , QueryType$1.ByHeight, oracle, 0, 0).to);
if (scrollTarget) {
let { head } = scrollTarget.range;
if (head < viewport.from || head > viewport.to) {
let viewHeight = Math.min(this.editorHeight, this.pixelViewport.bottom - this.pixelViewport.top);
let block = map.lineAt(head, QueryType$1.ByPos, oracle, 0, 0), topPos;
if (scrollTarget.y == "center")
topPos = (block.top + block.bottom) / 2 - viewHeight / 2;
else if (scrollTarget.y == "start" || scrollTarget.y == "nearest" && head < viewport.from)
topPos = block.top;
else
topPos = block.bottom - viewHeight;
viewport = new Viewport(map.lineAt(topPos - 1000 / 2, QueryType$1.ByHeight, oracle, 0, 0).from, map.lineAt(topPos + viewHeight + 1000 / 2, QueryType$1.ByHeight, oracle, 0, 0).to);
}
}
return viewport;
}
mapViewport(viewport, changes) {
let from = changes.mapPos(viewport.from, -1), to = changes.mapPos(viewport.to, 1);
return new Viewport(this.heightMap.lineAt(from, QueryType$1.ByPos, this.heightOracle, 0, 0).from, this.heightMap.lineAt(to, QueryType$1.ByPos, this.heightOracle, 0, 0).to);
}
viewportIsAppropriate({ from, to }, bias = 0) {
if (!this.inView)
return true;
let { top } = this.heightMap.lineAt(from, QueryType$1.ByPos, this.heightOracle, 0, 0);
let { bottom } = this.heightMap.lineAt(to, QueryType$1.ByPos, this.heightOracle, 0, 0);
let { visibleTop, visibleBottom } = this;
return (from == 0 || top <= visibleTop - Math.max(10 , Math.min(-bias, 250 ))) &&
(to == this.state.doc.length ||
bottom >= visibleBottom + Math.max(10 , Math.min(bias, 250 ))) &&
(top > visibleTop - 2 * 1000 && bottom < visibleBottom + 2 * 1000 );
}
mapLineGaps(gaps, changes) {
if (!gaps.length || changes.empty)
return gaps;
let mapped = [];
for (let gap of gaps)
if (!changes.touchesRange(gap.from, gap.to))
mapped.push(new LineGap(changes.mapPos(gap.from), changes.mapPos(gap.to), gap.size, gap.displaySize));
return mapped;
}
ensureLineGaps(current, mayMeasure) {
let wrapping = this.heightOracle.lineWrapping;
let margin = wrapping ? 10000 : 2000 , halfMargin = margin >> 1, doubleMargin = margin << 1;
if (this.defaultTextDirection != Direction.LTR && !wrapping)
return [];
let gaps = [];
let addGap = (from, to, line, structure) => {
if (to - from < halfMargin)
return;
let sel = this.state.selection.main, avoid = [sel.from];
if (!sel.empty)
avoid.push(sel.to);
for (let pos of avoid) {
if (pos > from && pos < to) {
addGap(from, pos - 10 , line, structure);
addGap(pos + 10 , to, line, structure);
return;
}
}
let gap = find(current, gap => gap.from >= line.from && gap.to <= line.to &&
Math.abs(gap.from - from) < halfMargin && Math.abs(gap.to - to) < halfMargin &&
!avoid.some(pos => gap.from < pos && gap.to > pos));
if (!gap) {
if (to < line.to && mayMeasure && wrapping &&
mayMeasure.visibleRanges.some(r => r.from <= to && r.to >= to)) {
let lineStart = mayMeasure.moveToLineBoundary(EditorSelection.cursor(to), false, true).head;
if (lineStart > from)
to = lineStart;
}
let size = this.gapSize(line, from, to, structure);
let displaySize = wrapping || size < 2000000 ? size : 2000000 ;
gap = new LineGap(from, to, size, displaySize);
}
gaps.push(gap);
};
let checkLine = (line) => {
if (line.length < doubleMargin || line.type != BlockType.Text)
return;
let structure = lineStructure(line.from, line.to, this.stateDeco);
if (structure.total < doubleMargin)
return;
let target = this.scrollTarget ? this.scrollTarget.range.head : null;
let viewFrom, viewTo;
if (wrapping) {
let marginHeight = (margin / this.heightOracle.lineLength) * this.heightOracle.lineHeight;
let top, bot;
if (target != null) {
let targetFrac = findFraction(structure, target);
let spaceFrac = ((this.visibleBottom - this.visibleTop) / 2 + marginHeight) / line.height;
top = targetFrac - spaceFrac;
bot = targetFrac + spaceFrac;
}
else {
top = (this.visibleTop - line.top - marginHeight) / line.height;
bot = (this.visibleBottom - line.top + marginHeight) / line.height;
}
viewFrom = findPosition(structure, top);
viewTo = findPosition(structure, bot);
}
else {
let totalWidth = structure.total * this.heightOracle.charWidth;
let marginWidth = margin * this.heightOracle.charWidth;
let horizOffset = 0;
if (totalWidth > 2000000 )
for (let old of current) {
if (old.from >= line.from && old.from < line.to && old.size != old.displaySize &&
old.from * this.heightOracle.charWidth + horizOffset < this.pixelViewport.left)
horizOffset = old.size - old.displaySize;
}
let pxLeft = this.pixelViewport.left + horizOffset, pxRight = this.pixelViewport.right + horizOffset;
let left, right;
if (target != null) {
let targetFrac = findFraction(structure, target);
let spaceFrac = ((pxRight - pxLeft) / 2 + marginWidth) / totalWidth;
left = targetFrac - spaceFrac;
right = targetFrac + spaceFrac;
}
else {
left = (pxLeft - marginWidth) / totalWidth;
right = (pxRight + marginWidth) / totalWidth;
}
viewFrom = findPosition(structure, left);
viewTo = findPosition(structure, right);
}
if (viewFrom > line.from)
addGap(line.from, viewFrom, line, structure);
if (viewTo < line.to)
addGap(viewTo, line.to, line, structure);
};
for (let line of this.viewportLines) {
if (Array.isArray(line.type))
line.type.forEach(checkLine);
else
checkLine(line);
}
return gaps;
}
gapSize(line, from, to, structure) {
let fraction = findFraction(structure, to) - findFraction(structure, from);
if (this.heightOracle.lineWrapping) {
return line.height * fraction;
}
else {
return structure.total * this.heightOracle.charWidth * fraction;
}
}
updateLineGaps(gaps) {
if (!LineGap.same(gaps, this.lineGaps)) {
this.lineGaps = gaps;
this.lineGapDeco = Decoration.set(gaps.map(gap => gap.draw(this, this.heightOracle.lineWrapping)));
}
}
computeVisibleRanges(changes) {
let deco = this.stateDeco;
if (this.lineGaps.length)
deco = deco.concat(this.lineGapDeco);
let ranges = [];
RangeSet.spans(deco, this.viewport.from, this.viewport.to, {
span(from, to) { ranges.push({ from, to }); },
point() { }
}, 20);
let changed = 0;
if (ranges.length != this.visibleRanges.length) {
changed = 8 | 4 ;
}
else {
for (let i = 0; i < ranges.length && !(changed & 8 ); i++) {
let old = this.visibleRanges[i], nw = ranges[i];
if (old.from != nw.from || old.to != nw.to) {
changed |= 4 ;
if (!(changes && changes.mapPos(old.from, -1) == nw.from && changes.mapPos(old.to, 1) == nw.to))
changed |= 8 ;
}
}
}
this.visibleRanges = ranges;
return changed;
}
lineBlockAt(pos) {
return (pos >= this.viewport.from && pos <= this.viewport.to &&
this.viewportLines.find(b => b.from <= pos && b.to >= pos)) ||
scaleBlock(this.heightMap.lineAt(pos, QueryType$1.ByPos, this.heightOracle, 0, 0), this.scaler);
}
lineBlockAtHeight(height) {
return (height >= this.viewportLines[0].top && height <= this.viewportLines[this.viewportLines.length - 1].bottom &&
this.viewportLines.find(l => l.top <= height && l.bottom >= height)) ||
scaleBlock(this.heightMap.lineAt(this.scaler.fromDOM(height), QueryType$1.ByHeight, this.heightOracle, 0, 0), this.scaler);
}
scrollAnchorAt(scrollTop) {
let block = this.lineBlockAtHeight(scrollTop + 8);
return block.from >= this.viewport.from || this.viewportLines[0].top - scrollTop > 200 ? block : this.viewportLines[0];
}
elementAtHeight(height) {
return scaleBlock(this.heightMap.blockAt(this.scaler.fromDOM(height), this.heightOracle, 0, 0), this.scaler);
}
get docHeight() {
return this.scaler.toDOM(this.heightMap.height);
}
get contentHeight() {
return this.docHeight + this.paddingTop + this.paddingBottom;
}
}
class Viewport {
constructor(from, to) {
this.from = from;
this.to = to;
}
}
function lineStructure(from, to, stateDeco) {
let ranges = [], pos = from, total = 0;
RangeSet.spans(stateDeco, from, to, {
span() { },
point(from, to) {
if (from > pos) {
ranges.push({ from: pos, to: from });
total += from - pos;
}
pos = to;
}
}, 20);
if (pos < to) {
ranges.push({ from: pos, to });
total += to - pos;
}
return { total, ranges };
}
function findPosition({ total, ranges }, ratio) {
if (ratio <= 0)
return ranges[0].from;
if (ratio >= 1)
return ranges[ranges.length - 1].to;
let dist = Math.floor(total * ratio);
for (let i = 0;; i++) {
let { from, to } = ranges[i], size = to - from;
if (dist <= size)
return from + dist;
dist -= size;
}
}
function findFraction(structure, pos) {
let counted = 0;
for (let { from, to } of structure.ranges) {
if (pos <= to) {
counted += pos - from;
break;
}
counted += to - from;
}
return counted / structure.total;
}
function find(array, f) {
for (let val of array)
if (f(val))
return val;
return undefined;
}
const IdScaler = {
toDOM(n) { return n; },
fromDOM(n) { return n; },
scale: 1,
eq(other) { return other == this; }
};
function staticDeco(state) {
let deco = state.facet(decorations).filter(d => typeof d != "function");
let outer = state.facet(outerDecorations).filter(d => typeof d != "function");
if (outer.length)
deco.push(RangeSet.join(outer));
return deco;
}
class BigScaler {
constructor(oracle, heightMap, viewports) {
let vpHeight = 0, base = 0, domBase = 0;
this.viewports = viewports.map(({ from, to }) => {
let top = heightMap.lineAt(from, QueryType$1.ByPos, oracle, 0, 0).top;
let bottom = heightMap.lineAt(to, QueryType$1.ByPos, oracle, 0, 0).bottom;
vpHeight += bottom - top;
return { from, to, top, bottom, domTop: 0, domBottom: 0 };
});
this.scale = (7000000 - vpHeight) / (heightMap.height - vpHeight);
for (let obj of this.viewports) {
obj.domTop = domBase + (obj.top - base) * this.scale;
domBase = obj.domBottom = obj.domTop + (obj.bottom - obj.top);
base = obj.bottom;
}
}
toDOM(n) {
for (let i = 0, base = 0, domBase = 0;; i++) {
let vp = i < this.viewports.length ? this.viewports[i] : null;
if (!vp || n < vp.top)
return domBase + (n - base) * this.scale;
if (n <= vp.bottom)
return vp.domTop + (n - vp.top);
base = vp.bottom;
domBase = vp.domBottom;
}
}
fromDOM(n) {
for (let i = 0, base = 0, domBase = 0;; i++) {
let vp = i < this.viewports.length ? this.viewports[i] : null;
if (!vp || n < vp.domTop)
return base + (n - domBase) / this.scale;
if (n <= vp.domBottom)
return vp.top + (n - vp.domTop);
base = vp.bottom;
domBase = vp.domBottom;
}
}
eq(other) {
if (!(other instanceof BigScaler))
return false;
return this.scale == other.scale && this.viewports.length == other.viewports.length &&
this.viewports.every((vp, i) => vp.from == other.viewports[i].from && vp.to == other.viewports[i].to);
}
}
function scaleBlock(block, scaler) {
if (scaler.scale == 1)
return block;
let bTop = scaler.toDOM(block.top), bBottom = scaler.toDOM(block.bottom);
return new BlockInfo(block.from, block.length, bTop, bBottom - bTop, Array.isArray(block._content) ? block._content.map(b => scaleBlock(b, scaler)) : block._content);
}
const theme = Facet.define({ combine: strs => strs.join(" ") });
const darkTheme = Facet.define({ combine: values => values.indexOf(true) > -1 });
const baseThemeID = StyleModule.newName(), baseLightID = StyleModule.newName(), baseDarkID = StyleModule.newName();
const lightDarkIDs = { "&light": "." + baseLightID, "&dark": "." + baseDarkID };
function buildTheme(main, spec, scopes) {
return new StyleModule(spec, {
finish(sel) {
return /&/.test(sel) ? sel.replace(/&\w*/, m => {
if (m == "&")
return main;
if (!scopes || !scopes[m])
throw new RangeError(`Unsupported selector: ${m}`);
return scopes[m];
}) : main + " " + sel;
}
});
}
const baseTheme$1$2 = buildTheme("." + baseThemeID, {
"&": {
position: "relative !important",
boxSizing: "border-box",
"&.cm-focused": {
outline: "1px dotted #212121"
},
display: "flex !important",
flexDirection: "column"
},
".cm-scroller": {
display: "flex !important",
alignItems: "flex-start !important",
fontFamily: "monospace",
lineHeight: 1.4,
height: "100%",
overflowX: "auto",
position: "relative",
zIndex: 0,
overflowAnchor: "none",
},
".cm-content": {
margin: 0,
flexGrow: 2,
flexShrink: 0,
display: "block",
whiteSpace: "pre",
wordWrap: "normal",
boxSizing: "border-box",
minHeight: "100%",
padding: "4px 0",
outline: "none",
"&[contenteditable=true]": {
WebkitUserModify: "read-write-plaintext-only",
}
},
".cm-lineWrapping": {
whiteSpace_fallback: "pre-wrap",
whiteSpace: "break-spaces",
wordBreak: "break-word",
overflowWrap: "anywhere",
flexShrink: 1
},
"&light .cm-content": { caretColor: "black" },
"&dark .cm-content": { caretColor: "white" },
".cm-line": {
display: "block",
padding: "0 2px 0 6px"
},
".cm-layer": {
position: "absolute",
left: 0,
top: 0,
contain: "size style",
"& > *": {
position: "absolute"
}
},
"&light .cm-selectionBackground": {
background: "#d9d9d9"
},
"&dark .cm-selectionBackground": {
background: "#222"
},
"&light.cm-focused > .cm-scroller > .cm-selectionLayer .cm-selectionBackground": {
background: "#d7d4f0"
},
"&dark.cm-focused > .cm-scroller > .cm-selectionLayer .cm-selectionBackground": {
background: "#233"
},
".cm-cursorLayer": {
pointerEvents: "none"
},
"&.cm-focused > .cm-scroller > .cm-cursorLayer": {
animation: "steps(1) cm-blink 1.2s infinite"
},
"@keyframes cm-blink": { "0%": {}, "50%": { opacity: 0 }, "100%": {} },
"@keyframes cm-blink2": { "0%": {}, "50%": { opacity: 0 }, "100%": {} },
".cm-cursor, .cm-dropCursor": {
borderLeft: "1.2px solid black",
marginLeft: "-0.6px",
pointerEvents: "none",
},
".cm-cursor": {
display: "none"
},
"&dark .cm-cursor": {
borderLeftColor: "#ddd"
},
".cm-dropCursor": {
position: "absolute"
},
"&.cm-focused > .cm-scroller > .cm-cursorLayer .cm-cursor": {
display: "block"
},
".cm-iso": {
unicodeBidi: "isolate"
},
".cm-announced": {
position: "fixed",
top: "-10000px"
},
"@media print": {
".cm-announced": { display: "none" }
},
"&light .cm-activeLine": { backgroundColor: "#cceeff44" },
"&dark .cm-activeLine": { backgroundColor: "#99eeff33" },
"&light .cm-specialChar": { color: "red" },
"&dark .cm-specialChar": { color: "#f78" },
".cm-gutters": {
flexShrink: 0,
display: "flex",
height: "100%",
boxSizing: "border-box",
zIndex: 200,
},
".cm-gutters-before": { insetInlineStart: 0 },
".cm-gutters-after": { insetInlineEnd: 0 },
"&light .cm-gutters": {
backgroundColor: "#f5f5f5",
color: "#6c6c6c",
border: "0px solid #ddd",
"&.cm-gutters-before": { borderRightWidth: "1px" },
"&.cm-gutters-after": { borderLeftWidth: "1px" },
},
"&dark .cm-gutters": {
backgroundColor: "#333338",
color: "#ccc"
},
".cm-gutter": {
display: "flex !important",
flexDirection: "column",
flexShrink: 0,
boxSizing: "border-box",
minHeight: "100%",
overflow: "hidden"
},
".cm-gutterElement": {
boxSizing: "border-box"
},
".cm-lineNumbers .cm-gutterElement": {
padding: "0 3px 0 5px",
minWidth: "20px",
textAlign: "right",
whiteSpace: "nowrap"
},
"&light .cm-activeLineGutter": {
backgroundColor: "#e2f2ff"
},
"&dark .cm-activeLineGutter": {
backgroundColor: "#222227"
},
".cm-panels": {
boxSizing: "border-box",
position: "sticky",
left: 0,
right: 0,
zIndex: 300
},
"&light .cm-panels": {
backgroundColor: "#f5f5f5",
color: "black"
},
"&light .cm-panels-top": {
borderBottom: "1px solid #ddd"
},
"&light .cm-panels-bottom": {
borderTop: "1px solid #ddd"
},
"&dark .cm-panels": {
backgroundColor: "#333338",
color: "white"
},
".cm-dialog": {
padding: "2px 19px 4px 6px",
position: "relative",
"& label": { fontSize: "80%" },
},
".cm-dialog-close": {
position: "absolute",
top: "3px",
right: "4px",
backgroundColor: "inherit",
border: "none",
font: "inherit",
fontSize: "14px",
padding: "0"
},
".cm-tab": {
display: "inline-block",
overflow: "hidden",
verticalAlign: "bottom"
},
".cm-widgetBuffer": {
verticalAlign: "text-top",
height: "1em",
width: 0,
display: "inline"
},
".cm-placeholder": {
color: "#888",
display: "inline-block",
verticalAlign: "top",
userSelect: "none"
},
".cm-highlightSpace": {
backgroundImage: "radial-gradient(circle at 50% 55%, #aaa 20%, transparent 5%)",
backgroundPosition: "center",
},
".cm-highlightTab": {
backgroundImage: `url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="200" height="20"><path stroke="%23888" stroke-width="1" fill="none" d="M1 10H196L190 5M190 15L196 10M197 4L197 16"/></svg>')`,
backgroundSize: "auto 100%",
backgroundPosition: "right 90%",
backgroundRepeat: "no-repeat"
},
".cm-trailingSpace": {
backgroundColor: "#ff332255"
},
".cm-button": {
verticalAlign: "middle",
color: "inherit",
fontSize: "70%",
padding: ".2em 1em",
borderRadius: "1px"
},
"&light .cm-button": {
backgroundImage: "linear-gradient(#eff1f5, #d9d9df)",
border: "1px solid #888",
"&:active": {
backgroundImage: "linear-gradient(#b4b4b4, #d0d3d6)"
}
},
"&dark .cm-button": {
backgroundImage: "linear-gradient(#393939, #111)",
border: "1px solid #888",
"&:active": {
backgroundImage: "linear-gradient(#111, #333)"
}
},
".cm-textfield": {
verticalAlign: "middle",
color: "inherit",
fontSize: "70%",
border: "1px solid silver",
padding: ".2em .5em"
},
"&light .cm-textfield": {
backgroundColor: "white"
},
"&dark .cm-textfield": {
border: "1px solid #555",
backgroundColor: "inherit"
}
}, lightDarkIDs);
const observeOptions = {
childList: true,
characterData: true,
subtree: true,
attributes: true,
characterDataOldValue: true
};
const useCharData = browser.ie && browser.ie_version <= 11;
class DOMObserver {
constructor(view) {
this.view = view;
this.active = false;
this.editContext = null;
this.selectionRange = new DOMSelectionState;
this.selectionChanged = false;
this.delayedFlush = -1;
this.resizeTimeout = -1;
this.queue = [];
this.delayedAndroidKey = null;
this.flushingAndroidKey = -1;
this.lastChange = 0;
this.scrollTargets = [];
this.intersection = null;
this.resizeScroll = null;
this.intersecting = false;
this.gapIntersection = null;
this.gaps = [];
this.printQuery = null;
this.parentCheck = -1;
this.dom = view.contentDOM;
this.observer = new MutationObserver(mutations => {
for (let mut of mutations)
this.queue.push(mut);
if ((browser.ie && browser.ie_version <= 11 || browser.ios && view.composing) &&
mutations.some(m => m.type == "childList" && m.removedNodes.length ||
m.type == "characterData" && m.oldValue.length > m.target.nodeValue.length))
this.flushSoon();
else
this.flush();
});
if (window.EditContext && browser.android && view.constructor.EDIT_CONTEXT !== false &&
!(browser.chrome && browser.chrome_version < 126)) {
this.editContext = new EditContextManager(view);
if (view.state.facet(editable))
view.contentDOM.editContext = this.editContext.editContext;
}
if (useCharData)
this.onCharData = (event) => {
this.queue.push({ target: event.target,
type: "characterData",
oldValue: event.prevValue });
this.flushSoon();
};
this.onSelectionChange = this.onSelectionChange.bind(this);
this.onResize = this.onResize.bind(this);
this.onPrint = this.onPrint.bind(this);
this.onScroll = this.onScroll.bind(this);
if (window.matchMedia)
this.printQuery = window.matchMedia("print");
if (typeof ResizeObserver == "function") {
this.resizeScroll = new ResizeObserver(() => {
var _a;
if (((_a = this.view.docView) === null || _a === void 0 ? void 0 : _a.lastUpdate) < Date.now() - 75)
this.onResize();
});
this.resizeScroll.observe(view.scrollDOM);
}
this.addWindowListeners(this.win = view.win);
this.start();
if (typeof IntersectionObserver == "function") {
this.intersection = new IntersectionObserver(entries => {
if (this.parentCheck < 0)
this.parentCheck = setTimeout(this.listenForScroll.bind(this), 1000);
if (entries.length > 0 && (entries[entries.length - 1].intersectionRatio > 0) != this.intersecting) {
this.intersecting = !this.intersecting;
if (this.intersecting != this.view.inView)
this.onScrollChanged(document.createEvent("Event"));
}
}, { threshold: [0, .001] });
this.intersection.observe(this.dom);
this.gapIntersection = new IntersectionObserver(entries => {
if (entries.length > 0 && entries[entries.length - 1].intersectionRatio > 0)
this.onScrollChanged(document.createEvent("Event"));
}, {});
}
this.listenForScroll();
this.readSelectionRange();
}
onScrollChanged(e) {
this.view.inputState.runHandlers("scroll", e);
if (this.intersecting)
this.view.measure();
}
onScroll(e) {
if (this.intersecting)
this.flush(false);
if (this.editContext)
this.view.requestMeasure(this.editContext.measureReq);
this.onScrollChanged(e);
}
onResize() {
if (this.resizeTimeout < 0)
this.resizeTimeout = setTimeout(() => {
this.resizeTimeout = -1;
this.view.requestMeasure();
}, 50);
}
onPrint(event) {
if ((event.type == "change" || !event.type) && !event.matches)
return;
this.view.viewState.printing = true;
this.view.measure();
setTimeout(() => {
this.view.viewState.printing = false;
this.view.requestMeasure();
}, 500);
}
updateGaps(gaps) {
if (this.gapIntersection && (gaps.length != this.gaps.length || this.gaps.some((g, i) => g != gaps[i]))) {
this.gapIntersection.disconnect();
for (let gap of gaps)
this.gapIntersection.observe(gap);
this.gaps = gaps;
}
}
onSelectionChange(event) {
let wasChanged = this.selectionChanged;
if (!this.readSelectionRange() || this.delayedAndroidKey)
return;
let { view } = this, sel = this.selectionRange;
if (view.state.facet(editable) ? view.root.activeElement != this.dom : !hasSelection(this.dom, sel))
return;
let context = sel.anchorNode && view.docView.tile.nearest(sel.anchorNode);
if (context && context.isWidget() && context.widget.ignoreEvent(event)) {
if (!wasChanged)
this.selectionChanged = false;
return;
}
if ((browser.ie && browser.ie_version <= 11 || browser.android && browser.chrome) && !view.state.selection.main.empty &&
sel.focusNode && isEquivalentPosition(sel.focusNode, sel.focusOffset, sel.anchorNode, sel.anchorOffset))
this.flushSoon();
else
this.flush(false);
}
readSelectionRange() {
let { view } = this;
let selection = getSelection(view.root);
if (!selection)
return false;
let range = browser.safari && view.root.nodeType == 11 &&
view.root.activeElement == this.dom &&
safariSelectionRangeHack(this.view, selection) || selection;
if (!range || this.selectionRange.eq(range))
return false;
let local = hasSelection(this.dom, range);
if (local && !this.selectionChanged &&
view.inputState.lastFocusTime > Date.now() - 200 &&
view.inputState.lastTouchTime < Date.now() - 300 &&
atElementStart(this.dom, range)) {
this.view.inputState.lastFocusTime = 0;
view.docView.updateSelection();
return false;
}
this.selectionRange.setRange(range);
if (local)
this.selectionChanged = true;
return true;
}
setSelectionRange(anchor, head) {
this.selectionRange.set(anchor.node, anchor.offset, head.node, head.offset);
this.selectionChanged = false;
}
clearSelectionRange() {
this.selectionRange.set(null, 0, null, 0);
}
listenForScroll() {
this.parentCheck = -1;
let i = 0, changed = null;
for (let dom = this.dom; dom;) {
if (dom.nodeType == 1) {
if (!changed && i < this.scrollTargets.length && this.scrollTargets[i] == dom)
i++;
else if (!changed)
changed = this.scrollTargets.slice(0, i);
if (changed)
changed.push(dom);
dom = dom.assignedSlot || dom.parentNode;
}
else if (dom.nodeType == 11) {
dom = dom.host;
}
else {
break;
}
}
if (i < this.scrollTargets.length && !changed)
changed = this.scrollTargets.slice(0, i);
if (changed) {
for (let dom of this.scrollTargets)
dom.removeEventListener("scroll", this.onScroll);
for (let dom of this.scrollTargets = changed)
dom.addEventListener("scroll", this.onScroll);
}
}
ignore(f) {
if (!this.active)
return f();
try {
this.stop();
return f();
}
finally {
this.start();
this.clear();
}
}
start() {
if (this.active)
return;
this.observer.observe(this.dom, observeOptions);
if (useCharData)
this.dom.addEventListener("DOMCharacterDataModified", this.onCharData);
this.active = true;
}
stop() {
if (!this.active)
return;
this.active = false;
this.observer.disconnect();
if (useCharData)
this.dom.removeEventListener("DOMCharacterDataModified", this.onCharData);
}
clear() {
this.processRecords();
this.queue.length = 0;
this.selectionChanged = false;
}
delayAndroidKey(key, keyCode) {
var _a;
if (!this.delayedAndroidKey) {
let flush = () => {
let key = this.delayedAndroidKey;
if (key) {
this.clearDelayedAndroidKey();
this.view.inputState.lastKeyCode = key.keyCode;
this.view.inputState.lastKeyTime = Date.now();
let flushed = this.flush();
if (!flushed && key.force)
dispatchKey(this.dom, key.key, key.keyCode);
}
};
this.flushingAndroidKey = this.view.win.requestAnimationFrame(flush);
}
if (!this.delayedAndroidKey || key == "Enter")
this.delayedAndroidKey = {
key, keyCode,
force: this.lastChange < Date.now() - 50 || !!((_a = this.delayedAndroidKey) === null || _a === void 0 ? void 0 : _a.force)
};
}
clearDelayedAndroidKey() {
this.win.cancelAnimationFrame(this.flushingAndroidKey);
this.delayedAndroidKey = null;
this.flushingAndroidKey = -1;
}
flushSoon() {
if (this.delayedFlush < 0)
this.delayedFlush = this.view.win.requestAnimationFrame(() => { this.delayedFlush = -1; this.flush(); });
}
forceFlush() {
if (this.delayedFlush >= 0) {
this.view.win.cancelAnimationFrame(this.delayedFlush);
this.delayedFlush = -1;
}
this.flush();
}
pendingRecords() {
for (let mut of this.observer.takeRecords())
this.queue.push(mut);
return this.queue;
}
processRecords() {
let records = this.pendingRecords();
if (records.length)
this.queue = [];
let from = -1, to = -1, typeOver = false;
for (let record of records) {
let range = this.readMutation(record);
if (!range)
continue;
if (range.typeOver)
typeOver = true;
if (from == -1) {
({ from, to } = range);
}
else {
from = Math.min(range.from, from);
to = Math.max(range.to, to);
}
}
return { from, to, typeOver };
}
readChange() {
let { from, to, typeOver } = this.processRecords();
let newSel = this.selectionChanged && hasSelection(this.dom, this.selectionRange);
if (from < 0 && !newSel)
return null;
if (from > -1)
this.lastChange = Date.now();
this.view.inputState.lastFocusTime = 0;
this.selectionChanged = false;
let change = new DOMChange(this.view, from, to, typeOver);
this.view.docView.domChanged = { newSel: change.newSel ? change.newSel.main : null };
return change;
}
flush(readSelection = true) {
if (this.delayedFlush >= 0 || this.delayedAndroidKey)
return false;
if (readSelection)
this.readSelectionRange();
let domChange = this.readChange();
if (!domChange) {
this.view.requestMeasure();
return false;
}
let startState = this.view.state;
let handled = applyDOMChange(this.view, domChange);
if (this.view.state == startState &&
(domChange.domChanged || domChange.newSel && !sameSelPos(this.view.state.selection, domChange.newSel.main)))
this.view.update([]);
return handled;
}
readMutation(rec) {
let tile = this.view.docView.tile.nearest(rec.target);
if (!tile || tile.isWidget())
return null;
tile.markDirty(rec.type == "attributes");
if (rec.type == "childList") {
let childBefore = findChild(tile, rec.previousSibling || rec.target.previousSibling, -1);
let childAfter = findChild(tile, rec.nextSibling || rec.target.nextSibling, 1);
return { from: childBefore ? tile.posAfter(childBefore) : tile.posAtStart,
to: childAfter ? tile.posBefore(childAfter) : tile.posAtEnd, typeOver: false };
}
else if (rec.type == "characterData") {
return { from: tile.posAtStart, to: tile.posAtEnd, typeOver: rec.target.nodeValue == rec.oldValue };
}
else {
return null;
}
}
setWindow(win) {
if (win != this.win) {
this.removeWindowListeners(this.win);
this.win = win;
this.addWindowListeners(this.win);
}
}
addWindowListeners(win) {
win.addEventListener("resize", this.onResize);
if (this.printQuery) {
if (this.printQuery.addEventListener)
this.printQuery.addEventListener("change", this.onPrint);
else
this.printQuery.addListener(this.onPrint);
}
else
win.addEventListener("beforeprint", this.onPrint);
win.addEventListener("scroll", this.onScroll);
win.document.addEventListener("selectionchange", this.onSelectionChange);
}
removeWindowListeners(win) {
win.removeEventListener("scroll", this.onScroll);
win.removeEventListener("resize", this.onResize);
if (this.printQuery) {
if (this.printQuery.removeEventListener)
this.printQuery.removeEventListener("change", this.onPrint);
else
this.printQuery.removeListener(this.onPrint);
}
else
win.removeEventListener("beforeprint", this.onPrint);
win.document.removeEventListener("selectionchange", this.onSelectionChange);
}
update(update) {
if (this.editContext) {
this.editContext.update(update);
if (update.startState.facet(editable) != update.state.facet(editable))
update.view.contentDOM.editContext = update.state.facet(editable) ? this.editContext.editContext : null;
}
}
destroy() {
var _a, _b, _c;
this.stop();
(_a = this.intersection) === null || _a === void 0 ? void 0 : _a.disconnect();
(_b = this.gapIntersection) === null || _b === void 0 ? void 0 : _b.disconnect();
(_c = this.resizeScroll) === null || _c === void 0 ? void 0 : _c.disconnect();
for (let dom of this.scrollTargets)
dom.removeEventListener("scroll", this.onScroll);
this.removeWindowListeners(this.win);
clearTimeout(this.parentCheck);
clearTimeout(this.resizeTimeout);
this.win.cancelAnimationFrame(this.delayedFlush);
this.win.cancelAnimationFrame(this.flushingAndroidKey);
if (this.editContext) {
this.view.contentDOM.editContext = null;
this.editContext.destroy();
}
}
}
function findChild(tile, dom, dir) {
while (dom) {
let curTile = Tile.get(dom);
if (curTile && curTile.parent == tile)
return curTile;
let parent = dom.parentNode;
dom = parent != tile.dom ? parent : dir > 0 ? dom.nextSibling : dom.previousSibling;
}
return null;
}
function buildSelectionRangeFromRange(view, range) {
let anchorNode = range.startContainer, anchorOffset = range.startOffset;
let focusNode = range.endContainer, focusOffset = range.endOffset;
let curAnchor = view.docView.domAtPos(view.state.selection.main.anchor, 1);
if (isEquivalentPosition(curAnchor.node, curAnchor.offset, focusNode, focusOffset))
[anchorNode, anchorOffset, focusNode, focusOffset] = [focusNode, focusOffset, anchorNode, anchorOffset];
return { anchorNode, anchorOffset, focusNode, focusOffset };
}
function safariSelectionRangeHack(view, selection) {
if (selection.getComposedRanges) {
let range = selection.getComposedRanges(view.root)[0];
if (range)
return buildSelectionRangeFromRange(view, range);
}
let found = null;
function read(event) {
event.preventDefault();
event.stopImmediatePropagation();
found = event.getTargetRanges()[0];
}
view.contentDOM.addEventListener("beforeinput", read, true);
view.dom.ownerDocument.execCommand("indent");
view.contentDOM.removeEventListener("beforeinput", read, true);
return found ? buildSelectionRangeFromRange(view, found) : null;
}
class EditContextManager {
constructor(view) {
this.from = 0;
this.to = 0;
this.pendingContextChange = null;
this.handlers = Object.create(null);
this.composing = null;
this.resetRange(view.state);
let context = this.editContext = new window.EditContext({
text: view.state.doc.sliceString(this.from, this.to),
selectionStart: this.toContextPos(Math.max(this.from, Math.min(this.to, view.state.selection.main.anchor))),
selectionEnd: this.toContextPos(view.state.selection.main.head)
});
this.handlers.textupdate = e => {
let main = view.state.selection.main, { anchor, head } = main;
let from = this.toEditorPos(e.updateRangeStart), to = this.toEditorPos(e.updateRangeEnd);
if (view.inputState.composing >= 0 && !this.composing)
this.composing = { contextBase: e.updateRangeStart, editorBase: from, drifted: false };
let deletes = to - from > e.text.length;
if (from == this.from && anchor < this.from)
from = anchor;
else if (to == this.to && anchor > this.to)
to = anchor;
let diff = findDiff(view.state.sliceDoc(from, to), e.text, (deletes ? main.from : main.to) - from, deletes ? "end" : null);
if (!diff) {
let newSel = EditorSelection.single(this.toEditorPos(e.selectionStart), this.toEditorPos(e.selectionEnd));
if (!sameSelPos(newSel, main))
view.dispatch({ selection: newSel, userEvent: "select" });
return;
}
let change = { from: diff.from + from, to: diff.toA + from,
insert: Text.of(e.text.slice(diff.from, diff.toB).split("\n")) };
if ((browser.mac || browser.android) && change.from == head - 1 &&
/^\. ?$/.test(e.text) && view.contentDOM.getAttribute("autocorrect") == "off")
change = { from, to, insert: Text.of([e.text.replace(".", " ")]) };
this.pendingContextChange = change;
if (!view.state.readOnly) {
let newLen = this.to - this.from + (change.to - change.from + change.insert.length);
applyDOMChangeInner(view, change, EditorSelection.single(this.toEditorPos(e.selectionStart, newLen), this.toEditorPos(e.selectionEnd, newLen)));
}
if (this.pendingContextChange) {
this.revertPending(view.state);
this.setSelection(view.state);
}
if (change.from < change.to && !change.insert.length && view.inputState.composing >= 0 &&
!/[\\p{Alphabetic}\\p{Number}_]/.test(context.text.slice(Math.max(0, e.updateRangeStart - 1), Math.min(context.text.length, e.updateRangeStart + 1))))
this.handlers.compositionend(e);
};
this.handlers.characterboundsupdate = e => {
let rects = [], prev = null;
for (let i = this.toEditorPos(e.rangeStart), end = this.toEditorPos(e.rangeEnd); i < end; i++) {
let rect = view.coordsForChar(i);
prev = (rect && new DOMRect(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top))
|| prev || new DOMRect;
rects.push(prev);
}
context.updateCharacterBounds(e.rangeStart, rects);
};
this.handlers.textformatupdate = e => {
let deco = [];
for (let format of e.getTextFormats()) {
let lineStyle = format.underlineStyle, thickness = format.underlineThickness;
if (!/none/i.test(lineStyle) && !/none/i.test(thickness)) {
let from = this.toEditorPos(format.rangeStart), to = this.toEditorPos(format.rangeEnd);
if (from < to) {
let style = `text-decoration: underline ${/^[a-z]/.test(lineStyle) ? lineStyle + " " : lineStyle == "Dashed" ? "dashed " : lineStyle == "Squiggle" ? "wavy " : ""}${/thin/i.test(thickness) ? 1 : 2}px`;
deco.push(Decoration.mark({ attributes: { style } }).range(from, to));
}
}
}
view.dispatch({ effects: setEditContextFormatting.of(Decoration.set(deco)) });
};
this.handlers.compositionstart = () => {
if (view.inputState.composing < 0) {
view.inputState.composing = 0;
view.inputState.compositionFirstChange = true;
}
};
this.handlers.compositionend = () => {
view.inputState.composing = -1;
view.inputState.compositionFirstChange = null;
if (this.composing) {
let { drifted } = this.composing;
this.composing = null;
if (drifted)
this.reset(view.state);
}
};
for (let event in this.handlers)
context.addEventListener(event, this.handlers[event]);
this.measureReq = { read: view => {
this.editContext.updateControlBounds(view.contentDOM.getBoundingClientRect());
let sel = getSelection(view.root);
if (sel && sel.rangeCount)
this.editContext.updateSelectionBounds(sel.getRangeAt(0).getBoundingClientRect());
} };
}
applyEdits(update) {
let off = 0, abort = false, pending = this.pendingContextChange;
update.changes.iterChanges((fromA, toA, _fromB, _toB, insert) => {
if (abort)
return;
let dLen = insert.length - (toA - fromA);
if (pending && toA >= pending.to) {
if (pending.from == fromA && pending.to == toA && pending.insert.eq(insert)) {
pending = this.pendingContextChange = null;
off += dLen;
this.to += dLen;
return;
}
else {
pending = null;
this.revertPending(update.state);
}
}
fromA += off;
toA += off;
if (toA <= this.from) {
this.from += dLen;
this.to += dLen;
}
else if (fromA < this.to) {
if (fromA < this.from || toA > this.to || (this.to - this.from) + insert.length > 30000 ) {
abort = true;
return;
}
this.editContext.updateText(this.toContextPos(fromA), this.toContextPos(toA), insert.toString());
this.to += dLen;
}
off += dLen;
});
if (pending && !abort)
this.revertPending(update.state);
return !abort;
}
update(update) {
let reverted = this.pendingContextChange, startSel = update.startState.selection.main;
if (this.composing &&
(this.composing.drifted ||
(!update.changes.touchesRange(startSel.from, startSel.to) &&
update.transactions.some(tr => !tr.isUserEvent("input.type") && tr.changes.touchesRange(this.from, this.to))))) {
this.composing.drifted = true;
this.composing.editorBase = update.changes.mapPos(this.composing.editorBase);
}
else if (!this.applyEdits(update) || !this.rangeIsValid(update.state)) {
this.pendingContextChange = null;
this.reset(update.state);
}
else if (update.docChanged || update.selectionSet || reverted) {
this.setSelection(update.state);
}
if (update.geometryChanged || update.docChanged || update.selectionSet)
update.view.requestMeasure(this.measureReq);
}
resetRange(state) {
let { head } = state.selection.main;
this.from = Math.max(0, head - 10000 );
this.to = Math.min(state.doc.length, head + 10000 );
}
reset(state) {
this.resetRange(state);
this.editContext.updateText(0, this.editContext.text.length, state.doc.sliceString(this.from, this.to));
this.setSelection(state);
}
revertPending(state) {
let pending = this.pendingContextChange;
this.pendingContextChange = null;
this.editContext.updateText(this.toContextPos(pending.from), this.toContextPos(pending.from + pending.insert.length), state.doc.sliceString(pending.from, pending.to));
}
setSelection(state) {
let { main } = state.selection;
let start = this.toContextPos(Math.max(this.from, Math.min(this.to, main.anchor)));
let end = this.toContextPos(main.head);
if (this.editContext.selectionStart != start || this.editContext.selectionEnd != end)
this.editContext.updateSelection(start, end);
}
rangeIsValid(state) {
let { head } = state.selection.main;
return !(this.from > 0 && head - this.from < 500 ||
this.to < state.doc.length && this.to - head < 500 ||
this.to - this.from > 10000 * 3);
}
toEditorPos(contextPos, clipLen = this.to - this.from) {
contextPos = Math.min(contextPos, clipLen);
let c = this.composing;
return c && c.drifted ? c.editorBase + (contextPos - c.contextBase) : contextPos + this.from;
}
toContextPos(editorPos) {
let c = this.composing;
return c && c.drifted ? c.contextBase + (editorPos - c.editorBase) : editorPos - this.from;
}
destroy() {
for (let event in this.handlers)
this.editContext.removeEventListener(event, this.handlers[event]);
}
}
class EditorView {
get state() { return this.viewState.state; }
get viewport() { return this.viewState.viewport; }
get visibleRanges() { return this.viewState.visibleRanges; }
get inView() { return this.viewState.inView; }
get composing() { return !!this.inputState && this.inputState.composing > 0; }
get compositionStarted() { return !!this.inputState && this.inputState.composing >= 0; }
get root() { return this._root; }
get win() { return this.dom.ownerDocument.defaultView || window; }
constructor(config = {}) {
var _a;
this.plugins = [];
this.pluginMap = new Map;
this.editorAttrs = {};
this.contentAttrs = {};
this.bidiCache = [];
this.destroyed = false;
this.updateState = 2 ;
this.measureScheduled = -1;
this.measureRequests = [];
this.contentDOM = document.createElement("div");
this.scrollDOM = document.createElement("div");
this.scrollDOM.tabIndex = -1;
this.scrollDOM.className = "cm-scroller";
this.scrollDOM.appendChild(this.contentDOM);
this.announceDOM = document.createElement("div");
this.announceDOM.className = "cm-announced";
this.announceDOM.setAttribute("aria-live", "polite");
this.dom = document.createElement("div");
this.dom.appendChild(this.announceDOM);
this.dom.appendChild(this.scrollDOM);
if (config.parent)
config.parent.appendChild(this.dom);
let { dispatch } = config;
this.dispatchTransactions = config.dispatchTransactions ||
(dispatch && ((trs) => trs.forEach(tr => dispatch(tr, this)))) ||
((trs) => this.update(trs));
this.dispatch = this.dispatch.bind(this);
this._root = (config.root || getRoot(config.parent) || document);
this.viewState = new ViewState(config.state || EditorState.create(config));
if (config.scrollTo && config.scrollTo.is(scrollIntoView$1))
this.viewState.scrollTarget = config.scrollTo.value.clip(this.viewState.state);
this.plugins = this.state.facet(viewPlugin).map(spec => new PluginInstance(spec));
for (let plugin of this.plugins)
plugin.update(this);
this.observer = new DOMObserver(this);
this.inputState = new InputState(this);
this.inputState.ensureHandlers(this.plugins);
this.docView = new DocView(this);
this.mountStyles();
this.updateAttrs();
this.updateState = 0 ;
this.requestMeasure();
if ((_a = document.fonts) === null || _a === void 0 ? void 0 : _a.ready)
document.fonts.ready.then(() => {
this.viewState.mustMeasureContent = true;
this.requestMeasure();
});
}
dispatch(...input) {
let trs = input.length == 1 && input[0] instanceof Transaction ? input
: input.length == 1 && Array.isArray(input[0]) ? input[0]
: [this.state.update(...input)];
this.dispatchTransactions(trs, this);
}
update(transactions) {
if (this.updateState != 0 )
throw new Error("Calls to EditorView.update are not allowed while an update is in progress");
let redrawn = false, attrsChanged = false, update;
let state = this.state;
for (let tr of transactions) {
if (tr.startState != state)
throw new RangeError("Trying to update state with a transaction that doesn't start from the previous state.");
state = tr.state;
}
if (this.destroyed) {
this.viewState.state = state;
return;
}
let focus = this.hasFocus, focusFlag = 0, dispatchFocus = null;
if (transactions.some(tr => tr.annotation(isFocusChange))) {
this.inputState.notifiedFocused = focus;
focusFlag = 1 ;
}
else if (focus != this.inputState.notifiedFocused) {
this.inputState.notifiedFocused = focus;
dispatchFocus = focusChangeTransaction(state, focus);
if (!dispatchFocus)
focusFlag = 1 ;
}
let pendingKey = this.observer.delayedAndroidKey, domChange = null;
if (pendingKey) {
this.observer.clearDelayedAndroidKey();
domChange = this.observer.readChange();
if (domChange && !this.state.doc.eq(state.doc) || !this.state.selection.eq(state.selection))
domChange = null;
}
else {
this.observer.clear();
}
if (state.facet(EditorState.phrases) != this.state.facet(EditorState.phrases))
return this.setState(state);
update = ViewUpdate.create(this, state, transactions);
update.flags |= focusFlag;
let scrollTarget = this.viewState.scrollTarget;
try {
this.updateState = 2 ;
for (let tr of transactions) {
if (scrollTarget)
scrollTarget = scrollTarget.map(tr.changes);
if (tr.scrollIntoView) {
let { main } = tr.state.selection;
scrollTarget = new ScrollTarget(main.empty ? main : EditorSelection.cursor(main.head, main.head > main.anchor ? -1 : 1));
}
for (let e of tr.effects)
if (e.is(scrollIntoView$1))
scrollTarget = e.value.clip(this.state);
}
this.viewState.update(update, scrollTarget);
this.bidiCache = CachedOrder.update(this.bidiCache, update.changes);
if (!update.empty) {
this.updatePlugins(update);
this.inputState.update(update);
}
redrawn = this.docView.update(update);
if (this.state.facet(styleModule) != this.styleModules)
this.mountStyles();
attrsChanged = this.updateAttrs();
this.showAnnouncements(transactions);
this.docView.updateSelection(redrawn, transactions.some(tr => tr.isUserEvent("select.pointer")));
}
finally {
this.updateState = 0 ;
}
if (update.startState.facet(theme) != update.state.facet(theme))
this.viewState.mustMeasureContent = true;
if (redrawn || attrsChanged || scrollTarget || this.viewState.mustEnforceCursorAssoc || this.viewState.mustMeasureContent)
this.requestMeasure();
if (redrawn)
this.docViewUpdate();
if (!update.empty)
for (let listener of this.state.facet(updateListener)) {
try {
listener(update);
}
catch (e) {
logException(this.state, e, "update listener");
}
}
if (dispatchFocus || domChange)
Promise.resolve().then(() => {
if (dispatchFocus && this.state == dispatchFocus.startState)
this.dispatch(dispatchFocus);
if (domChange) {
if (!applyDOMChange(this, domChange) && pendingKey.force)
dispatchKey(this.contentDOM, pendingKey.key, pendingKey.keyCode);
}
});
}
setState(newState) {
if (this.updateState != 0 )
throw new Error("Calls to EditorView.setState are not allowed while an update is in progress");
if (this.destroyed) {
this.viewState.state = newState;
return;
}
this.updateState = 2 ;
let hadFocus = this.hasFocus;
try {
for (let plugin of this.plugins)
plugin.destroy(this);
this.viewState = new ViewState(newState);
this.plugins = newState.facet(viewPlugin).map(spec => new PluginInstance(spec));
this.pluginMap.clear();
for (let plugin of this.plugins)
plugin.update(this);
this.docView.destroy();
this.docView = new DocView(this);
this.inputState.ensureHandlers(this.plugins);
this.mountStyles();
this.updateAttrs();
this.bidiCache = [];
}
finally {
this.updateState = 0 ;
}
if (hadFocus)
this.focus();
this.requestMeasure();
}
updatePlugins(update) {
let prevSpecs = update.startState.facet(viewPlugin), specs = update.state.facet(viewPlugin);
if (prevSpecs != specs) {
let newPlugins = [];
for (let spec of specs) {
let found = prevSpecs.indexOf(spec);
if (found < 0) {
newPlugins.push(new PluginInstance(spec));
}
else {
let plugin = this.plugins[found];
plugin.mustUpdate = update;
newPlugins.push(plugin);
}
}
for (let plugin of this.plugins)
if (plugin.mustUpdate != update)
plugin.destroy(this);
this.plugins = newPlugins;
this.pluginMap.clear();
}
else {
for (let p of this.plugins)
p.mustUpdate = update;
}
for (let i = 0; i < this.plugins.length; i++)
this.plugins[i].update(this);
if (prevSpecs != specs)
this.inputState.ensureHandlers(this.plugins);
}
docViewUpdate() {
for (let plugin of this.plugins) {
let val = plugin.value;
if (val && val.docViewUpdate) {
try {
val.docViewUpdate(this);
}
catch (e) {
logException(this.state, e, "doc view update listener");
}
}
}
}
measure(flush = true) {
if (this.destroyed)
return;
if (this.measureScheduled > -1)
this.win.cancelAnimationFrame(this.measureScheduled);
if (this.observer.delayedAndroidKey) {
this.measureScheduled = -1;
this.requestMeasure();
return;
}
this.measureScheduled = 0;
if (flush)
this.observer.forceFlush();
let updated = null;
let sDOM = this.scrollDOM, scrollTop = sDOM.scrollTop * this.scaleY;
let { scrollAnchorPos, scrollAnchorHeight } = this.viewState;
if (Math.abs(scrollTop - this.viewState.scrollTop) > 1)
scrollAnchorHeight = -1;
this.viewState.scrollAnchorHeight = -1;
try {
for (let i = 0;; i++) {
if (scrollAnchorHeight < 0) {
if (isScrolledToBottom(sDOM)) {
scrollAnchorPos = -1;
scrollAnchorHeight = this.viewState.heightMap.height;
}
else {
let block = this.viewState.scrollAnchorAt(scrollTop);
scrollAnchorPos = block.from;
scrollAnchorHeight = block.top;
}
}
this.updateState = 1 ;
let changed = this.viewState.measure(this);
if (!changed && !this.measureRequests.length && this.viewState.scrollTarget == null)
break;
if (i > 5) {
console.warn(this.measureRequests.length
? "Measure loop restarted more than 5 times"
: "Viewport failed to stabilize");
break;
}
let measuring = [];
if (!(changed & 4 ))
[this.measureRequests, measuring] = [measuring, this.measureRequests];
let measured = measuring.map(m => {
try {
return m.read(this);
}
catch (e) {
logException(this.state, e);
return BadMeasure;
}
});
let update = ViewUpdate.create(this, this.state, []), redrawn = false;
update.flags |= changed;
if (!updated)
updated = update;
else
updated.flags |= changed;
this.updateState = 2 ;
if (!update.empty) {
this.updatePlugins(update);
this.inputState.update(update);
this.updateAttrs();
redrawn = this.docView.update(update);
if (redrawn)
this.docViewUpdate();
}
for (let i = 0; i < measuring.length; i++)
if (measured[i] != BadMeasure) {
try {
let m = measuring[i];
if (m.write)
m.write(measured[i], this);
}
catch (e) {
logException(this.state, e);
}
}
if (redrawn)
this.docView.updateSelection(true);
if (!update.viewportChanged && this.measureRequests.length == 0) {
if (this.viewState.editorHeight) {
if (this.viewState.scrollTarget) {
this.docView.scrollIntoView(this.viewState.scrollTarget);
this.viewState.scrollTarget = null;
scrollAnchorHeight = -1;
continue;
}
else {
let newAnchorHeight = scrollAnchorPos < 0 ? this.viewState.heightMap.height :
this.viewState.lineBlockAt(scrollAnchorPos).top;
let diff = newAnchorHeight - scrollAnchorHeight;
if (diff > 1 || diff < -1) {
scrollTop = scrollTop + diff;
sDOM.scrollTop = scrollTop / this.scaleY;
scrollAnchorHeight = -1;
continue;
}
}
}
break;
}
}
}
finally {
this.updateState = 0 ;
this.measureScheduled = -1;
}
if (updated && !updated.empty)
for (let listener of this.state.facet(updateListener))
listener(updated);
}
get themeClasses() {
return baseThemeID + " " +
(this.state.facet(darkTheme) ? baseDarkID : baseLightID) + " " +
this.state.facet(theme);
}
updateAttrs() {
let editorAttrs = attrsFromFacet(this, editorAttributes, {
class: "cm-editor" + (this.hasFocus ? " cm-focused " : " ") + this.themeClasses
});
let contentAttrs = {
spellcheck: "false",
autocorrect: "off",
autocapitalize: "off",
writingsuggestions: "false",
translate: "no",
contenteditable: !this.state.facet(editable) ? "false" : "true",
class: "cm-content",
style: `${browser.tabSize}: ${this.state.tabSize}`,
role: "textbox",
"aria-multiline": "true"
};
if (this.state.readOnly)
contentAttrs["aria-readonly"] = "true";
attrsFromFacet(this, contentAttributes, contentAttrs);
let changed = this.observer.ignore(() => {
let changedContent = updateAttrs(this.contentDOM, this.contentAttrs, contentAttrs);
let changedEditor = updateAttrs(this.dom, this.editorAttrs, editorAttrs);
return changedContent || changedEditor;
});
this.editorAttrs = editorAttrs;
this.contentAttrs = contentAttrs;
return changed;
}
showAnnouncements(trs) {
let first = true;
for (let tr of trs)
for (let effect of tr.effects)
if (effect.is(EditorView.announce)) {
if (first)
this.announceDOM.textContent = "";
first = false;
let div = this.announceDOM.appendChild(document.createElement("div"));
div.textContent = effect.value;
}
}
mountStyles() {
this.styleModules = this.state.facet(styleModule);
let nonce = this.state.facet(EditorView.cspNonce);
StyleModule.mount(this.root, this.styleModules.concat(baseTheme$1$2).reverse(), nonce ? { nonce } : undefined);
}
readMeasured() {
if (this.updateState == 2 )
throw new Error("Reading the editor layout isn't allowed during an update");
if (this.updateState == 0 && this.measureScheduled > -1)
this.measure(false);
}
requestMeasure(request) {
if (this.measureScheduled < 0)
this.measureScheduled = this.win.requestAnimationFrame(() => this.measure());
if (request) {
if (this.measureRequests.indexOf(request) > -1)
return;
if (request.key != null)
for (let i = 0; i < this.measureRequests.length; i++) {
if (this.measureRequests[i].key === request.key) {
this.measureRequests[i] = request;
return;
}
}
this.measureRequests.push(request);
}
}
plugin(plugin) {
let known = this.pluginMap.get(plugin);
if (known === undefined || known && known.plugin != plugin)
this.pluginMap.set(plugin, known = this.plugins.find(p => p.plugin == plugin) || null);
return known && known.update(this).value;
}
get documentTop() {
return this.contentDOM.getBoundingClientRect().top + this.viewState.paddingTop;
}
get documentPadding() {
return { top: this.viewState.paddingTop, bottom: this.viewState.paddingBottom };
}
get scaleX() { return this.viewState.scaleX; }
get scaleY() { return this.viewState.scaleY; }
elementAtHeight(height) {
this.readMeasured();
return this.viewState.elementAtHeight(height);
}
lineBlockAtHeight(height) {
this.readMeasured();
return this.viewState.lineBlockAtHeight(height);
}
get viewportLineBlocks() {
return this.viewState.viewportLines;
}
lineBlockAt(pos) {
return this.viewState.lineBlockAt(pos);
}
get contentHeight() {
return this.viewState.contentHeight;
}
moveByChar(start, forward, by) {
return skipAtoms(this, start, moveByChar(this, start, forward, by));
}
moveByGroup(start, forward) {
return skipAtoms(this, start, moveByChar(this, start, forward, initial => byGroup(this, start.head, initial)));
}
visualLineSide(line, end) {
let order = this.bidiSpans(line), dir = this.textDirectionAt(line.from);
let span = order[end ? order.length - 1 : 0];
return EditorSelection.cursor(span.side(end, dir) + line.from, span.forward(!end, dir) ? 1 : -1);
}
moveToLineBoundary(start, forward, includeWrap = true) {
return moveToLineBoundary(this, start, forward, includeWrap);
}
moveVertically(start, forward, distance) {
return skipAtoms(this, start, moveVertically(this, start, forward, distance));
}
domAtPos(pos, side = 1) {
return this.docView.domAtPos(pos, side);
}
posAtDOM(node, offset = 0) {
return this.docView.posFromDOM(node, offset);
}
posAtCoords(coords, precise = true) {
this.readMeasured();
let found = posAtCoords(this, coords, precise);
return found && found.pos;
}
posAndSideAtCoords(coords, precise = true) {
this.readMeasured();
return posAtCoords(this, coords, precise);
}
coordsAtPos(pos, side = 1) {
this.readMeasured();
let rect = this.docView.coordsAt(pos, side);
if (!rect || rect.left == rect.right)
return rect;
let line = this.state.doc.lineAt(pos), order = this.bidiSpans(line);
let span = order[BidiSpan.find(order, pos - line.from, -1, side)];
return flattenRect(rect, (span.dir == Direction.LTR) == (side > 0));
}
coordsForChar(pos) {
this.readMeasured();
return this.docView.coordsForChar(pos);
}
get defaultCharacterWidth() { return this.viewState.heightOracle.charWidth; }
get defaultLineHeight() { return this.viewState.heightOracle.lineHeight; }
get textDirection() { return this.viewState.defaultTextDirection; }
textDirectionAt(pos) {
let perLine = this.state.facet(perLineTextDirection);
if (!perLine || pos < this.viewport.from || pos > this.viewport.to)
return this.textDirection;
this.readMeasured();
return this.docView.textDirectionAt(pos);
}
get lineWrapping() { return this.viewState.heightOracle.lineWrapping; }
bidiSpans(line) {
if (line.length > MaxBidiLine)
return trivialOrder(line.length);
let dir = this.textDirectionAt(line.from), isolates;
for (let entry of this.bidiCache) {
if (entry.from == line.from && entry.dir == dir &&
(entry.fresh || isolatesEq(entry.isolates, isolates = getIsolatedRanges(this, line))))
return entry.order;
}
if (!isolates)
isolates = getIsolatedRanges(this, line);
let order = computeOrder(line.text, dir, isolates);
this.bidiCache.push(new CachedOrder(line.from, line.to, dir, isolates, true, order));
return order;
}
get hasFocus() {
var _a;
return (this.dom.ownerDocument.hasFocus() || browser.safari && ((_a = this.inputState) === null || _a === void 0 ? void 0 : _a.lastContextMenu) > Date.now() - 3e4) &&
this.root.activeElement == this.contentDOM;
}
focus() {
this.observer.ignore(() => {
focusPreventScroll(this.contentDOM);
this.docView.updateSelection();
});
}
setRoot(root) {
if (this._root != root) {
this._root = root;
this.observer.setWindow((root.nodeType == 9 ? root : root.ownerDocument).defaultView || window);
this.mountStyles();
}
}
destroy() {
if (this.root.activeElement == this.contentDOM)
this.contentDOM.blur();
for (let plugin of this.plugins)
plugin.destroy(this);
this.plugins = [];
this.inputState.destroy();
this.docView.destroy();
this.dom.remove();
this.observer.destroy();
if (this.measureScheduled > -1)
this.win.cancelAnimationFrame(this.measureScheduled);
this.destroyed = true;
}
static scrollIntoView(pos, options = {}) {
return scrollIntoView$1.of(new ScrollTarget(typeof pos == "number" ? EditorSelection.cursor(pos) : pos, options.y, options.x, options.yMargin, options.xMargin));
}
scrollSnapshot() {
let { scrollTop, scrollLeft } = this.scrollDOM;
let ref = this.viewState.scrollAnchorAt(scrollTop);
return scrollIntoView$1.of(new ScrollTarget(EditorSelection.cursor(ref.from), "start", "start", ref.top - scrollTop, scrollLeft, true));
}
setTabFocusMode(to) {
if (to == null)
this.inputState.tabFocusMode = this.inputState.tabFocusMode < 0 ? 0 : -1;
else if (typeof to == "boolean")
this.inputState.tabFocusMode = to ? 0 : -1;
else if (this.inputState.tabFocusMode != 0)
this.inputState.tabFocusMode = Date.now() + to;
}
static domEventHandlers(handlers) {
return ViewPlugin.define(() => ({}), { eventHandlers: handlers });
}
static domEventObservers(observers) {
return ViewPlugin.define(() => ({}), { eventObservers: observers });
}
static theme(spec, options) {
let prefix = StyleModule.newName();
let result = [theme.of(prefix), styleModule.of(buildTheme(`.${prefix}`, spec))];
if (options && options.dark)
result.push(darkTheme.of(true));
return result;
}
static baseTheme(spec) {
return Prec.lowest(styleModule.of(buildTheme("." + baseThemeID, spec, lightDarkIDs)));
}
static findFromDOM(dom) {
var _a;
let content = dom.querySelector(".cm-content");
let tile = content && Tile.get(content) || Tile.get(dom);
return ((_a = tile === null || tile === void 0 ? void 0 : tile.root) === null || _a === void 0 ? void 0 : _a.view) || null;
}
}
EditorView.styleModule = styleModule;
EditorView.inputHandler = inputHandler;
EditorView.clipboardInputFilter = clipboardInputFilter;
EditorView.clipboardOutputFilter = clipboardOutputFilter;
EditorView.scrollHandler = scrollHandler;
EditorView.focusChangeEffect = focusChangeEffect;
EditorView.perLineTextDirection = perLineTextDirection;
EditorView.exceptionSink = exceptionSink;
EditorView.updateListener = updateListener;
EditorView.editable = editable;
EditorView.mouseSelectionStyle = mouseSelectionStyle;
EditorView.dragMovesSelection = dragMovesSelection$1;
EditorView.clickAddsSelectionRange = clickAddsSelectionRange;
EditorView.decorations = decorations;
EditorView.blockWrappers = blockWrappers;
EditorView.outerDecorations = outerDecorations;
EditorView.atomicRanges = atomicRanges;
EditorView.bidiIsolatedRanges = bidiIsolatedRanges;
EditorView.scrollMargins = scrollMargins;
EditorView.darkTheme = darkTheme;
EditorView.cspNonce = Facet.define({ combine: values => values.length ? values[0] : "" });
EditorView.contentAttributes = contentAttributes;
EditorView.editorAttributes = editorAttributes;
EditorView.lineWrapping = EditorView.contentAttributes.of({ "class": "cm-lineWrapping" });
EditorView.announce = StateEffect.define();
const MaxBidiLine = 4096;
const BadMeasure = {};
class CachedOrder {
constructor(from, to, dir, isolates, fresh, order) {
this.from = from;
this.to = to;
this.dir = dir;
this.isolates = isolates;
this.fresh = fresh;
this.order = order;
}
static update(cache, changes) {
if (changes.empty && !cache.some(c => c.fresh))
return cache;
let result = [], lastDir = cache.length ? cache[cache.length - 1].dir : Direction.LTR;
for (let i = Math.max(0, cache.length - 10); i < cache.length; i++) {
let entry = cache[i];
if (entry.dir == lastDir && !changes.touchesRange(entry.from, entry.to))
result.push(new CachedOrder(changes.mapPos(entry.from, 1), changes.mapPos(entry.to, -1), entry.dir, entry.isolates, false, entry.order));
}
return result;
}
}
function attrsFromFacet(view, facet, base) {
for (let sources = view.state.facet(facet), i = sources.length - 1; i >= 0; i--) {
let source = sources[i], value = typeof source == "function" ? source(view) : source;
if (value)
combineAttrs(value, base);
}
return base;
}
const currentPlatform = browser.mac ? "mac" : browser.windows ? "win" : browser.linux ? "linux" : "key";
function normalizeKeyName(name, platform) {
const parts = name.split(/-(?!$)/);
let result = parts[parts.length - 1];
if (result == "Space")
result = " ";
let alt, ctrl, shift, meta;
for (let i = 0; i < parts.length - 1; ++i) {
const mod = parts[i];
if (/^(cmd|meta|m)$/i.test(mod))
meta = true;
else if (/^a(lt)?$/i.test(mod))
alt = true;
else if (/^(c|ctrl|control)$/i.test(mod))
ctrl = true;
else if (/^s(hift)?$/i.test(mod))
shift = true;
else if (/^mod$/i.test(mod)) {
if (platform == "mac")
meta = true;
else
ctrl = true;
}
else
throw new Error("Unrecognized modifier name: " + mod);
}
if (alt)
result = "Alt-" + result;
if (ctrl)
result = "Ctrl-" + result;
if (meta)
result = "Meta-" + result;
if (shift)
result = "Shift-" + result;
return result;
}
function modifiers(name, event, shift) {
if (event.altKey)
name = "Alt-" + name;
if (event.ctrlKey)
name = "Ctrl-" + name;
if (event.metaKey)
name = "Meta-" + name;
if (shift !== false && event.shiftKey)
name = "Shift-" + name;
return name;
}
const handleKeyEvents = Prec.default(EditorView.domEventHandlers({
keydown(event, view) {
return runHandlers(getKeymap(view.state), event, view, "editor");
}
}));
const keymap = Facet.define({ enables: handleKeyEvents });
const Keymaps = new WeakMap();
function getKeymap(state) {
let bindings = state.facet(keymap);
let map = Keymaps.get(bindings);
if (!map)
Keymaps.set(bindings, map = buildKeymap(bindings.reduce((a, b) => a.concat(b), [])));
return map;
}
function runScopeHandlers(view, event, scope) {
return runHandlers(getKeymap(view.state), event, view, scope);
}
let storedPrefix = null;
const PrefixTimeout = 4000;
function buildKeymap(bindings, platform = currentPlatform) {
let bound = Object.create(null);
let isPrefix = Object.create(null);
let checkPrefix = (name, is) => {
let current = isPrefix[name];
if (current == null)
isPrefix[name] = is;
else if (current != is)
throw new Error("Key binding " + name + " is used both as a regular binding and as a multi-stroke prefix");
};
let add = (scope, key, command, preventDefault, stopPropagation) => {
var _a, _b;
let scopeObj = bound[scope] || (bound[scope] = Object.create(null));
let parts = key.split(/ (?!$)/).map(k => normalizeKeyName(k, platform));
for (let i = 1; i < parts.length; i++) {
let prefix = parts.slice(0, i).join(" ");
checkPrefix(prefix, true);
if (!scopeObj[prefix])
scopeObj[prefix] = {
preventDefault: true,
stopPropagation: false,
run: [(view) => {
let ourObj = storedPrefix = { view, prefix, scope };
setTimeout(() => { if (storedPrefix == ourObj)
storedPrefix = null; }, PrefixTimeout);
return true;
}]
};
}
let full = parts.join(" ");
checkPrefix(full, false);
let binding = scopeObj[full] || (scopeObj[full] = {
preventDefault: false,
stopPropagation: false,
run: ((_b = (_a = scopeObj._any) === null || _a === void 0 ? void 0 : _a.run) === null || _b === void 0 ? void 0 : _b.slice()) || []
});
if (command)
binding.run.push(command);
if (preventDefault)
binding.preventDefault = true;
if (stopPropagation)
binding.stopPropagation = true;
};
for (let b of bindings) {
let scopes = b.scope ? b.scope.split(" ") : ["editor"];
if (b.any)
for (let scope of scopes) {
let scopeObj = bound[scope] || (bound[scope] = Object.create(null));
if (!scopeObj._any)
scopeObj._any = { preventDefault: false, stopPropagation: false, run: [] };
let { any } = b;
for (let key in scopeObj)
scopeObj[key].run.push(view => any(view, currentKeyEvent));
}
let name = b[platform] || b.key;
if (!name)
continue;
for (let scope of scopes) {
add(scope, name, b.run, b.preventDefault, b.stopPropagation);
if (b.shift)
add(scope, "Shift-" + name, b.shift, b.preventDefault, b.stopPropagation);
}
}
return bound;
}
let currentKeyEvent = null;
function runHandlers(map, event, view, scope) {
currentKeyEvent = event;
let name = keyName(event);
let charCode = codePointAt(name, 0), isChar = codePointSize(charCode) == name.length && name != " ";
let prefix = "", handled = false, prevented = false, stopPropagation = false;
if (storedPrefix && storedPrefix.view == view && storedPrefix.scope == scope) {
prefix = storedPrefix.prefix + " ";
if (modifierCodes.indexOf(event.keyCode) < 0) {
prevented = true;
storedPrefix = null;
}
}
let ran = new Set;
let runFor = (binding) => {
if (binding) {
for (let cmd of binding.run)
if (!ran.has(cmd)) {
ran.add(cmd);
if (cmd(view)) {
if (binding.stopPropagation)
stopPropagation = true;
return true;
}
}
if (binding.preventDefault) {
if (binding.stopPropagation)
stopPropagation = true;
prevented = true;
}
}
return false;
};
let scopeObj = map[scope], baseName, shiftName;
if (scopeObj) {
if (runFor(scopeObj[prefix + modifiers(name, event, !isChar)])) {
handled = true;
}
else if (isChar && (event.altKey || event.metaKey || event.ctrlKey) &&
!(browser.windows && event.ctrlKey && event.altKey) &&
!(browser.mac && event.altKey && !(event.ctrlKey || event.metaKey)) &&
(baseName = base[event.keyCode]) && baseName != name) {
if (runFor(scopeObj[prefix + modifiers(baseName, event, true)])) {
handled = true;
}
else if (event.shiftKey && (shiftName = shift[event.keyCode]) != name && shiftName != baseName &&
runFor(scopeObj[prefix + modifiers(shiftName, event, false)])) {
handled = true;
}
}
else if (isChar && event.shiftKey &&
runFor(scopeObj[prefix + modifiers(name, event, true)])) {
handled = true;
}
if (!handled && runFor(scopeObj._any))
handled = true;
}
if (prevented)
handled = true;
if (handled && stopPropagation)
event.stopPropagation();
currentKeyEvent = null;
return handled;
}
class RectangleMarker {
constructor(className,
left,
top,
width,
height) {
this.className = className;
this.left = left;
this.top = top;
this.width = width;
this.height = height;
}
draw() {
let elt = document.createElement("div");
elt.className = this.className;
this.adjust(elt);
return elt;
}
update(elt, prev) {
if (prev.className != this.className)
return false;
this.adjust(elt);
return true;
}
adjust(elt) {
elt.style.left = this.left + "px";
elt.style.top = this.top + "px";
if (this.width != null)
elt.style.width = this.width + "px";
elt.style.height = this.height + "px";
}
eq(p) {
return this.left == p.left && this.top == p.top && this.width == p.width && this.height == p.height &&
this.className == p.className;
}
static forRange(view, className, range) {
if (range.empty) {
let pos = view.coordsAtPos(range.head, range.assoc || 1);
if (!pos)
return [];
let base = getBase(view);
return [new RectangleMarker(className, pos.left - base.left, pos.top - base.top, null, pos.bottom - pos.top)];
}
else {
return rectanglesForRange(view, className, range);
}
}
}
function getBase(view) {
let rect = view.scrollDOM.getBoundingClientRect();
let left = view.textDirection == Direction.LTR ? rect.left : rect.right - view.scrollDOM.clientWidth * view.scaleX;
return { left: left - view.scrollDOM.scrollLeft * view.scaleX, top: rect.top - view.scrollDOM.scrollTop * view.scaleY };
}
function wrappedLine(view, pos, side, inside) {
let coords = view.coordsAtPos(pos, side * 2);
if (!coords)
return inside;
let editorRect = view.dom.getBoundingClientRect();
let y = (coords.top + coords.bottom) / 2;
let left = view.posAtCoords({ x: editorRect.left + 1, y });
let right = view.posAtCoords({ x: editorRect.right - 1, y });
if (left == null || right == null)
return inside;
return { from: Math.max(inside.from, Math.min(left, right)), to: Math.min(inside.to, Math.max(left, right)) };
}
function rectanglesForRange(view, className, range) {
if (range.to <= view.viewport.from || range.from >= view.viewport.to)
return [];
let from = Math.max(range.from, view.viewport.from), to = Math.min(range.to, view.viewport.to);
let ltr = view.textDirection == Direction.LTR;
let content = view.contentDOM, contentRect = content.getBoundingClientRect(), base = getBase(view);
let lineElt = content.querySelector(".cm-line"), lineStyle = lineElt && window.getComputedStyle(lineElt);
let leftSide = contentRect.left +
(lineStyle ? parseInt(lineStyle.paddingLeft) + Math.min(0, parseInt(lineStyle.textIndent)) : 0);
let rightSide = contentRect.right - (lineStyle ? parseInt(lineStyle.paddingRight) : 0);
let startBlock = blockAt(view, from, 1), endBlock = blockAt(view, to, -1);
let visualStart = startBlock.type == BlockType.Text ? startBlock : null;
let visualEnd = endBlock.type == BlockType.Text ? endBlock : null;
if (visualStart && (view.lineWrapping || startBlock.widgetLineBreaks))
visualStart = wrappedLine(view, from, 1, visualStart);
if (visualEnd && (view.lineWrapping || endBlock.widgetLineBreaks))
visualEnd = wrappedLine(view, to, -1, visualEnd);
if (visualStart && visualEnd && visualStart.from == visualEnd.from && visualStart.to == visualEnd.to) {
return pieces(drawForLine(range.from, range.to, visualStart));
}
else {
let top = visualStart ? drawForLine(range.from, null, visualStart) : drawForWidget(startBlock, false);
let bottom = visualEnd ? drawForLine(null, range.to, visualEnd) : drawForWidget(endBlock, true);
let between = [];
if ((visualStart || startBlock).to < (visualEnd || endBlock).from - (visualStart && visualEnd ? 1 : 0) ||
startBlock.widgetLineBreaks > 1 && top.bottom + view.defaultLineHeight / 2 < bottom.top)
between.push(piece(leftSide, top.bottom, rightSide, bottom.top));
else if (top.bottom < bottom.top && view.elementAtHeight((top.bottom + bottom.top) / 2).type == BlockType.Text)
top.bottom = bottom.top = (top.bottom + bottom.top) / 2;
return pieces(top).concat(between).concat(pieces(bottom));
}
function piece(left, top, right, bottom) {
return new RectangleMarker(className, left - base.left, top - base.top, Math.max(0, right - left), bottom - top);
}
function pieces({ top, bottom, horizontal }) {
let pieces = [];
for (let i = 0; i < horizontal.length; i += 2)
pieces.push(piece(horizontal[i], top, horizontal[i + 1], bottom));
return pieces;
}
function drawForLine(from, to, line) {
let top = 1e9, bottom = -1e9, horizontal = [];
function addSpan(from, fromOpen, to, toOpen, dir) {
let fromCoords = view.coordsAtPos(from, (from == line.to ? -2 : 2));
let toCoords = view.coordsAtPos(to, (to == line.from ? 2 : -2));
if (!fromCoords || !toCoords)
return;
top = Math.min(fromCoords.top, toCoords.top, top);
bottom = Math.max(fromCoords.bottom, toCoords.bottom, bottom);
if (dir == Direction.LTR)
horizontal.push(ltr && fromOpen ? leftSide : fromCoords.left, ltr && toOpen ? rightSide : toCoords.right);
else
horizontal.push(!ltr && toOpen ? leftSide : toCoords.left, !ltr && fromOpen ? rightSide : fromCoords.right);
}
let start = from !== null && from !== void 0 ? from : line.from, end = to !== null && to !== void 0 ? to : line.to;
for (let r of view.visibleRanges)
if (r.to > start && r.from < end) {
for (let pos = Math.max(r.from, start), endPos = Math.min(r.to, end);;) {
let docLine = view.state.doc.lineAt(pos);
for (let span of view.bidiSpans(docLine)) {
let spanFrom = span.from + docLine.from, spanTo = span.to + docLine.from;
if (spanFrom >= endPos)
break;
if (spanTo > pos)
addSpan(Math.max(spanFrom, pos), from == null && spanFrom <= start, Math.min(spanTo, endPos), to == null && spanTo >= end, span.dir);
}
pos = docLine.to + 1;
if (pos >= endPos)
break;
}
}
if (horizontal.length == 0)
addSpan(start, from == null, end, to == null, view.textDirection);
return { top, bottom, horizontal };
}
function drawForWidget(block, top) {
let y = contentRect.top + (top ? block.top : block.bottom);
return { top: y, bottom: y, horizontal: [] };
}
}
function sameMarker(a, b) {
return a.constructor == b.constructor && a.eq(b);
}
class LayerView {
constructor(view, layer) {
this.view = view;
this.layer = layer;
this.drawn = [];
this.scaleX = 1;
this.scaleY = 1;
this.measureReq = { read: this.measure.bind(this), write: this.draw.bind(this) };
this.dom = view.scrollDOM.appendChild(document.createElement("div"));
this.dom.classList.add("cm-layer");
if (layer.above)
this.dom.classList.add("cm-layer-above");
if (layer.class)
this.dom.classList.add(layer.class);
this.scale();
this.dom.setAttribute("aria-hidden", "true");
this.setOrder(view.state);
view.requestMeasure(this.measureReq);
if (layer.mount)
layer.mount(this.dom, view);
}
update(update) {
if (update.startState.facet(layerOrder) != update.state.facet(layerOrder))
this.setOrder(update.state);
if (this.layer.update(update, this.dom) || update.geometryChanged) {
this.scale();
update.view.requestMeasure(this.measureReq);
}
}
docViewUpdate(view) {
if (this.layer.updateOnDocViewUpdate !== false)
view.requestMeasure(this.measureReq);
}
setOrder(state) {
let pos = 0, order = state.facet(layerOrder);
while (pos < order.length && order[pos] != this.layer)
pos++;
this.dom.style.zIndex = String((this.layer.above ? 150 : -1) - pos);
}
measure() {
return this.layer.markers(this.view);
}
scale() {
let { scaleX, scaleY } = this.view;
if (scaleX != this.scaleX || scaleY != this.scaleY) {
this.scaleX = scaleX;
this.scaleY = scaleY;
this.dom.style.transform = `scale(${1 / scaleX}, ${1 / scaleY})`;
}
}
draw(markers) {
if (markers.length != this.drawn.length || markers.some((p, i) => !sameMarker(p, this.drawn[i]))) {
let old = this.dom.firstChild, oldI = 0;
for (let marker of markers) {
if (marker.update && old && marker.constructor && this.drawn[oldI].constructor &&
marker.update(old, this.drawn[oldI])) {
old = old.nextSibling;
oldI++;
}
else {
this.dom.insertBefore(marker.draw(), old);
}
}
while (old) {
let next = old.nextSibling;
old.remove();
old = next;
}
this.drawn = markers;
if (browser.safari && browser.safari_version >= 26)
this.dom.style.display = this.dom.firstChild ? "" : "none";
}
}
destroy() {
if (this.layer.destroy)
this.layer.destroy(this.dom, this.view);
this.dom.remove();
}
}
const layerOrder = Facet.define();
function layer(config) {
return [
ViewPlugin.define(v => new LayerView(v, config)),
layerOrder.of(config)
];
}
const selectionConfig = Facet.define({
combine(configs) {
return combineConfig(configs, {
cursorBlinkRate: 1200,
drawRangeCursor: true
}, {
cursorBlinkRate: (a, b) => Math.min(a, b),
drawRangeCursor: (a, b) => a || b
});
}
});
function drawSelection(config = {}) {
return [
selectionConfig.of(config),
cursorLayer,
selectionLayer,
hideNativeSelection,
nativeSelectionHidden.of(true)
];
}
function getDrawSelectionConfig(state) {
return state.facet(selectionConfig);
}
function configChanged(update) {
return update.startState.facet(selectionConfig) != update.state.facet(selectionConfig);
}
const cursorLayer = layer({
above: true,
markers(view) {
let { state } = view, conf = state.facet(selectionConfig);
let cursors = [];
for (let r of state.selection.ranges) {
let prim = r == state.selection.main;
if (r.empty || conf.drawRangeCursor) {
let className = prim ? "cm-cursor cm-cursor-primary" : "cm-cursor cm-cursor-secondary";
let cursor = r.empty ? r : EditorSelection.cursor(r.head, r.head > r.anchor ? -1 : 1);
for (let piece of RectangleMarker.forRange(view, className, cursor))
cursors.push(piece);
}
}
return cursors;
},
update(update, dom) {
if (update.transactions.some(tr => tr.selection))
dom.style.animationName = dom.style.animationName == "cm-blink" ? "cm-blink2" : "cm-blink";
let confChange = configChanged(update);
if (confChange)
setBlinkRate(update.state, dom);
return update.docChanged || update.selectionSet || confChange;
},
mount(dom, view) {
setBlinkRate(view.state, dom);
},
class: "cm-cursorLayer"
});
function setBlinkRate(state, dom) {
dom.style.animationDuration = state.facet(selectionConfig).cursorBlinkRate + "ms";
}
const selectionLayer = layer({
above: false,
markers(view) {
return view.state.selection.ranges.map(r => r.empty ? [] : RectangleMarker.forRange(view, "cm-selectionBackground", r))
.reduce((a, b) => a.concat(b));
},
update(update, dom) {
return update.docChanged || update.selectionSet || update.viewportChanged || configChanged(update);
},
class: "cm-selectionLayer"
});
const hideNativeSelection = Prec.highest(EditorView.theme({
".cm-line": {
"& ::selection, &::selection": { backgroundColor: "transparent !important" },
caretColor: "transparent !important"
},
".cm-content": {
caretColor: "transparent !important",
"& :focus": {
caretColor: "initial !important",
"&::selection, & ::selection": {
backgroundColor: "Highlight !important"
}
}
}
}));
const setDropCursorPos = StateEffect.define({
map(pos, mapping) { return pos == null ? null : mapping.mapPos(pos); }
});
const dropCursorPos = StateField.define({
create() { return null; },
update(pos, tr) {
if (pos != null)
pos = tr.changes.mapPos(pos);
return tr.effects.reduce((pos, e) => e.is(setDropCursorPos) ? e.value : pos, pos);
}
});
const drawDropCursor = ViewPlugin.fromClass(class {
constructor(view) {
this.view = view;
this.cursor = null;
this.measureReq = { read: this.readPos.bind(this), write: this.drawCursor.bind(this) };
}
update(update) {
var _a;
let cursorPos = update.state.field(dropCursorPos);
if (cursorPos == null) {
if (this.cursor != null) {
(_a = this.cursor) === null || _a === void 0 ? void 0 : _a.remove();
this.cursor = null;
}
}
else {
if (!this.cursor) {
this.cursor = this.view.scrollDOM.appendChild(document.createElement("div"));
this.cursor.className = "cm-dropCursor";
}
if (update.startState.field(dropCursorPos) != cursorPos || update.docChanged || update.geometryChanged)
this.view.requestMeasure(this.measureReq);
}
}
readPos() {
let { view } = this;
let pos = view.state.field(dropCursorPos);
let rect = pos != null && view.coordsAtPos(pos);
if (!rect)
return null;
let outer = view.scrollDOM.getBoundingClientRect();
return {
left: rect.left - outer.left + view.scrollDOM.scrollLeft * view.scaleX,
top: rect.top - outer.top + view.scrollDOM.scrollTop * view.scaleY,
height: rect.bottom - rect.top
};
}
drawCursor(pos) {
if (this.cursor) {
let { scaleX, scaleY } = this.view;
if (pos) {
this.cursor.style.left = pos.left / scaleX + "px";
this.cursor.style.top = pos.top / scaleY + "px";
this.cursor.style.height = pos.height / scaleY + "px";
}
else {
this.cursor.style.left = "-100000px";
}
}
}
destroy() {
if (this.cursor)
this.cursor.remove();
}
setDropPos(pos) {
if (this.view.state.field(dropCursorPos) != pos)
this.view.dispatch({ effects: setDropCursorPos.of(pos) });
}
}, {
eventObservers: {
dragover(event) {
this.setDropPos(this.view.posAtCoords({ x: event.clientX, y: event.clientY }));
},
dragleave(event) {
if (event.target == this.view.contentDOM || !this.view.contentDOM.contains(event.relatedTarget))
this.setDropPos(null);
},
dragend() {
this.setDropPos(null);
},
drop() {
this.setDropPos(null);
}
}
});
function dropCursor() {
return [dropCursorPos, drawDropCursor];
}
function iterMatches(doc, re, from, to, f) {
re.lastIndex = 0;
for (let cursor = doc.iterRange(from, to), pos = from, m; !cursor.next().done; pos += cursor.value.length) {
if (!cursor.lineBreak)
while (m = re.exec(cursor.value))
f(pos + m.index, m);
}
}
function matchRanges(view, maxLength) {
let visible = view.visibleRanges;
if (visible.length == 1 && visible[0].from == view.viewport.from &&
visible[0].to == view.viewport.to)
return visible;
let result = [];
for (let { from, to } of visible) {
from = Math.max(view.state.doc.lineAt(from).from, from - maxLength);
to = Math.min(view.state.doc.lineAt(to).to, to + maxLength);
if (result.length && result[result.length - 1].to >= from)
result[result.length - 1].to = to;
else
result.push({ from, to });
}
return result;
}
class MatchDecorator {
constructor(config) {
const { regexp, decoration, decorate, boundary, maxLength = 1000 } = config;
if (!regexp.global)
throw new RangeError("The regular expression given to MatchDecorator should have its 'g' flag set");
this.regexp = regexp;
if (decorate) {
this.addMatch = (match, view, from, add) => decorate(add, from, from + match[0].length, match, view);
}
else if (typeof decoration == "function") {
this.addMatch = (match, view, from, add) => {
let deco = decoration(match, view, from);
if (deco)
add(from, from + match[0].length, deco);
};
}
else if (decoration) {
this.addMatch = (match, _view, from, add) => add(from, from + match[0].length, decoration);
}
else {
throw new RangeError("Either 'decorate' or 'decoration' should be provided to MatchDecorator");
}
this.boundary = boundary;
this.maxLength = maxLength;
}
createDeco(view) {
let build = new RangeSetBuilder(), add = build.add.bind(build);
for (let { from, to } of matchRanges(view, this.maxLength))
iterMatches(view.state.doc, this.regexp, from, to, (from, m) => this.addMatch(m, view, from, add));
return build.finish();
}
updateDeco(update, deco) {
let changeFrom = 1e9, changeTo = -1;
if (update.docChanged)
update.changes.iterChanges((_f, _t, from, to) => {
if (to >= update.view.viewport.from && from <= update.view.viewport.to) {
changeFrom = Math.min(from, changeFrom);
changeTo = Math.max(to, changeTo);
}
});
if (update.viewportMoved || changeTo - changeFrom > 1000)
return this.createDeco(update.view);
if (changeTo > -1)
return this.updateRange(update.view, deco.map(update.changes), changeFrom, changeTo);
return deco;
}
updateRange(view, deco, updateFrom, updateTo) {
for (let r of view.visibleRanges) {
let from = Math.max(r.from, updateFrom), to = Math.min(r.to, updateTo);
if (to >= from) {
let fromLine = view.state.doc.lineAt(from), toLine = fromLine.to < to ? view.state.doc.lineAt(to) : fromLine;
let start = Math.max(r.from, fromLine.from), end = Math.min(r.to, toLine.to);
if (this.boundary) {
for (; from > fromLine.from; from--)
if (this.boundary.test(fromLine.text[from - 1 - fromLine.from])) {
start = from;
break;
}
for (; to < toLine.to; to++)
if (this.boundary.test(toLine.text[to - toLine.from])) {
end = to;
break;
}
}
let ranges = [], m;
let add = (from, to, deco) => ranges.push(deco.range(from, to));
if (fromLine == toLine) {
this.regexp.lastIndex = start - fromLine.from;
while ((m = this.regexp.exec(fromLine.text)) && m.index < end - fromLine.from)
this.addMatch(m, view, m.index + fromLine.from, add);
}
else {
iterMatches(view.state.doc, this.regexp, start, end, (from, m) => this.addMatch(m, view, from, add));
}
deco = deco.update({ filterFrom: start, filterTo: end, filter: (from, to) => from < start || to > end, add: ranges });
}
}
return deco;
}
}
const UnicodeRegexpSupport = /x/.unicode != null ? "gu" : "g";
const Specials = new RegExp("[\u0000-\u0008\u000a-\u001f\u007f-\u009f\u00ad\u061c\u200b\u200e\u200f\u2028\u2029\u202d\u202e\u2066\u2067\u2069\ufeff\ufff9-\ufffc]", UnicodeRegexpSupport);
const Names = {
0: "null",
7: "bell",
8: "backspace",
10: "newline",
11: "vertical tab",
13: "carriage return",
27: "escape",
8203: "zero width space",
8204: "zero width non-joiner",
8205: "zero width joiner",
8206: "left-to-right mark",
8207: "right-to-left mark",
8232: "line separator",
8237: "left-to-right override",
8238: "right-to-left override",
8294: "left-to-right isolate",
8295: "right-to-left isolate",
8297: "pop directional isolate",
8233: "paragraph separator",
65279: "zero width no-break space",
65532: "object replacement"
};
let _supportsTabSize = null;
function supportsTabSize() {
var _a;
if (_supportsTabSize == null && typeof document != "undefined" && document.body) {
let styles = document.body.style;
_supportsTabSize = ((_a = styles.tabSize) !== null && _a !== void 0 ? _a : styles.MozTabSize) != null;
}
return _supportsTabSize || false;
}
const specialCharConfig = Facet.define({
combine(configs) {
let config = combineConfig(configs, {
render: null,
specialChars: Specials,
addSpecialChars: null
});
if (config.replaceTabs = !supportsTabSize())
config.specialChars = new RegExp("\t|" + config.specialChars.source, UnicodeRegexpSupport);
if (config.addSpecialChars)
config.specialChars = new RegExp(config.specialChars.source + "|" + config.addSpecialChars.source, UnicodeRegexpSupport);
return config;
}
});
function highlightSpecialChars(
config = {}) {
return [specialCharConfig.of(config), specialCharPlugin()];
}
let _plugin = null;
function specialCharPlugin() {
return _plugin || (_plugin = ViewPlugin.fromClass(class {
constructor(view) {
this.view = view;
this.decorations = Decoration.none;
this.decorationCache = Object.create(null);
this.decorator = this.makeDecorator(view.state.facet(specialCharConfig));
this.decorations = this.decorator.createDeco(view);
}
makeDecorator(conf) {
return new MatchDecorator({
regexp: conf.specialChars,
decoration: (m, view, pos) => {
let { doc } = view.state;
let code = codePointAt(m[0], 0);
if (code == 9) {
let line = doc.lineAt(pos);
let size = view.state.tabSize, col = countColumn(line.text, size, pos - line.from);
return Decoration.replace({
widget: new TabWidget((size - (col % size)) * this.view.defaultCharacterWidth / this.view.scaleX)
});
}
return this.decorationCache[code] ||
(this.decorationCache[code] = Decoration.replace({ widget: new SpecialCharWidget(conf, code) }));
},
boundary: conf.replaceTabs ? undefined : /[^]/
});
}
update(update) {
let conf = update.state.facet(specialCharConfig);
if (update.startState.facet(specialCharConfig) != conf) {
this.decorator = this.makeDecorator(conf);
this.decorations = this.decorator.createDeco(update.view);
}
else {
this.decorations = this.decorator.updateDeco(update, this.decorations);
}
}
}, {
decorations: v => v.decorations
}));
}
const DefaultPlaceholder = "\u2022";
function placeholder$1(code) {
if (code >= 32)
return DefaultPlaceholder;
if (code == 10)
return "\u2424";
return String.fromCharCode(9216 + code);
}
class SpecialCharWidget extends WidgetType {
constructor(options, code) {
super();
this.options = options;
this.code = code;
}
eq(other) { return other.code == this.code; }
toDOM(view) {
let ph = placeholder$1(this.code);
let desc = view.state.phrase("Control character") + " " + (Names[this.code] || "0x" + this.code.toString(16));
let custom = this.options.render && this.options.render(this.code, desc, ph);
if (custom)
return custom;
let span = document.createElement("span");
span.textContent = ph;
span.title = desc;
span.setAttribute("aria-label", desc);
span.className = "cm-specialChar";
return span;
}
ignoreEvent() { return false; }
}
class TabWidget extends WidgetType {
constructor(width) {
super();
this.width = width;
}
eq(other) { return other.width == this.width; }
toDOM() {
let span = document.createElement("span");
span.textContent = "\t";
span.className = "cm-tab";
span.style.width = this.width + "px";
return span;
}
ignoreEvent() { return false; }
}
const plugin = ViewPlugin.fromClass(class {
constructor() {
this.height = 1000;
this.attrs = { style: "padding-bottom: 1000px" };
}
update(update) {
let { view } = update;
let height = view.viewState.editorHeight -
view.defaultLineHeight - view.documentPadding.top - 0.5;
if (height >= 0 && height != this.height) {
this.height = height;
this.attrs = { style: `padding-bottom: ${height}px` };
}
}
});
function scrollPastEnd() {
return [plugin, contentAttributes.of(view => { var _a; return ((_a = view.plugin(plugin)) === null || _a === void 0 ? void 0 : _a.attrs) || null; })];
}
function highlightActiveLine() {
return activeLineHighlighter;
}
const lineDeco = Decoration.line({ class: "cm-activeLine" });
const activeLineHighlighter = ViewPlugin.fromClass(class {
constructor(view) {
this.decorations = this.getDeco(view);
}
update(update) {
if (update.docChanged || update.selectionSet)
this.decorations = this.getDeco(update.view);
}
getDeco(view) {
let lastLineStart = -1, deco = [];
for (let r of view.state.selection.ranges) {
let line = view.lineBlockAt(r.head);
if (line.from > lastLineStart) {
deco.push(lineDeco.range(line.from));
lastLineStart = line.from;
}
}
return Decoration.set(deco);
}
}, {
decorations: v => v.decorations
});
class Placeholder extends WidgetType {
constructor(content) {
super();
this.content = content;
}
toDOM(view) {
let wrap = document.createElement("span");
wrap.className = "cm-placeholder";
wrap.style.pointerEvents = "none";
wrap.appendChild(typeof this.content == "string" ? document.createTextNode(this.content) :
typeof this.content == "function" ? this.content(view) :
this.content.cloneNode(true));
wrap.setAttribute("aria-hidden", "true");
return wrap;
}
coordsAt(dom) {
let rects = dom.firstChild ? clientRectsFor(dom.firstChild) : [];
if (!rects.length)
return null;
let style = window.getComputedStyle(dom.parentNode);
let rect = flattenRect(rects[0], style.direction != "rtl");
let lineHeight = parseInt(style.lineHeight);
if (rect.bottom - rect.top > lineHeight * 1.5)
return { left: rect.left, right: rect.right, top: rect.top, bottom: rect.top + lineHeight };
return rect;
}
ignoreEvent() { return false; }
}
function placeholder(content) {
let plugin = ViewPlugin.fromClass(class {
constructor(view) {
this.view = view;
this.placeholder = content
? Decoration.set([Decoration.widget({ widget: new Placeholder(content), side: 1 }).range(0)])
: Decoration.none;
}
get decorations() { return this.view.state.doc.length ? Decoration.none : this.placeholder; }
}, { decorations: v => v.decorations });
return typeof content == "string" ? [
plugin, EditorView.contentAttributes.of({ "aria-placeholder": content })
] : plugin;
}
const MaxOff = 2000;
function rectangleFor(state, a, b) {
let startLine = Math.min(a.line, b.line), endLine = Math.max(a.line, b.line);
let ranges = [];
if (a.off > MaxOff || b.off > MaxOff || a.col < 0 || b.col < 0) {
let startOff = Math.min(a.off, b.off), endOff = Math.max(a.off, b.off);
for (let i = startLine; i <= endLine; i++) {
let line = state.doc.line(i);
if (line.length <= endOff)
ranges.push(EditorSelection.range(line.from + startOff, line.to + endOff));
}
}
else {
let startCol = Math.min(a.col, b.col), endCol = Math.max(a.col, b.col);
for (let i = startLine; i <= endLine; i++) {
let line = state.doc.line(i);
let start = findColumn(line.text, startCol, state.tabSize, true);
if (start < 0) {
ranges.push(EditorSelection.cursor(line.to));
}
else {
let end = findColumn(line.text, endCol, state.tabSize);
ranges.push(EditorSelection.range(line.from + start, line.from + end));
}
}
}
return ranges;
}
function absoluteColumn(view, x) {
let ref = view.coordsAtPos(view.viewport.from);
return ref ? Math.round(Math.abs((ref.left - x) / view.defaultCharacterWidth)) : -1;
}
function getPos(view, event) {
let offset = view.posAtCoords({ x: event.clientX, y: event.clientY }, false);
let line = view.state.doc.lineAt(offset), off = offset - line.from;
let col = off > MaxOff ? -1
: off == line.length ? absoluteColumn(view, event.clientX)
: countColumn(line.text, view.state.tabSize, offset - line.from);
return { line: line.number, col, off };
}
function rectangleSelectionStyle(view, event) {
let start = getPos(view, event), startSel = view.state.selection;
if (!start)
return null;
return {
update(update) {
if (update.docChanged) {
let newStart = update.changes.mapPos(update.startState.doc.line(start.line).from);
let newLine = update.state.doc.lineAt(newStart);
start = { line: newLine.number, col: start.col, off: Math.min(start.off, newLine.length) };
startSel = startSel.map(update.changes);
}
},
get(event, _extend, multiple) {
let cur = getPos(view, event);
if (!cur)
return startSel;
let ranges = rectangleFor(view.state, start, cur);
if (!ranges.length)
return startSel;
if (multiple)
return EditorSelection.create(ranges.concat(startSel.ranges));
else
return EditorSelection.create(ranges);
}
};
}
function rectangularSelection(options) {
let filter = (options === null || options === void 0 ? void 0 : options.eventFilter) || (e => e.altKey && e.button == 0);
return EditorView.mouseSelectionStyle.of((view, event) => filter(event) ? rectangleSelectionStyle(view, event) : null);
}
const keys = {
Alt: [18, e => !!e.altKey],
Control: [17, e => !!e.ctrlKey],
Shift: [16, e => !!e.shiftKey],
Meta: [91, e => !!e.metaKey]
};
const showCrosshair = { style: "cursor: crosshair" };
function crosshairCursor(options = {}) {
let [code, getter] = keys[options.key || "Alt"];
let plugin = ViewPlugin.fromClass(class {
constructor(view) {
this.view = view;
this.isDown = false;
}
set(isDown) {
if (this.isDown != isDown) {
this.isDown = isDown;
this.view.update([]);
}
}
}, {
eventObservers: {
keydown(e) {
this.set(e.keyCode == code || getter(e));
},
keyup(e) {
if (e.keyCode == code || !getter(e))
this.set(false);
},
mousemove(e) {
this.set(getter(e));
}
}
});
return [
plugin,
EditorView.contentAttributes.of(view => { var _a; return ((_a = view.plugin(plugin)) === null || _a === void 0 ? void 0 : _a.isDown) ? showCrosshair : null; })
];
}
const Outside = "-10000px";
class TooltipViewManager {
constructor(view, facet, createTooltipView, removeTooltipView) {
this.facet = facet;
this.createTooltipView = createTooltipView;
this.removeTooltipView = removeTooltipView;
this.input = view.state.facet(facet);
this.tooltips = this.input.filter(t => t);
let prev = null;
this.tooltipViews = this.tooltips.map(t => prev = createTooltipView(t, prev));
}
update(update, above) {
var _a;
let input = update.state.facet(this.facet);
let tooltips = input.filter(x => x);
if (input === this.input) {
for (let t of this.tooltipViews)
if (t.update)
t.update(update);
return false;
}
let tooltipViews = [], newAbove = above ? [] : null;
for (let i = 0; i < tooltips.length; i++) {
let tip = tooltips[i], known = -1;
if (!tip)
continue;
for (let i = 0; i < this.tooltips.length; i++) {
let other = this.tooltips[i];
if (other && other.create == tip.create)
known = i;
}
if (known < 0) {
tooltipViews[i] = this.createTooltipView(tip, i ? tooltipViews[i - 1] : null);
if (newAbove)
newAbove[i] = !!tip.above;
}
else {
let tooltipView = tooltipViews[i] = this.tooltipViews[known];
if (newAbove)
newAbove[i] = above[known];
if (tooltipView.update)
tooltipView.update(update);
}
}
for (let t of this.tooltipViews)
if (tooltipViews.indexOf(t) < 0) {
this.removeTooltipView(t);
(_a = t.destroy) === null || _a === void 0 ? void 0 : _a.call(t);
}
if (above) {
newAbove.forEach((val, i) => above[i] = val);
above.length = newAbove.length;
}
this.input = input;
this.tooltips = tooltips;
this.tooltipViews = tooltipViews;
return true;
}
}
function tooltips(config = {}) {
return tooltipConfig.of(config);
}
function windowSpace(view) {
let docElt = view.dom.ownerDocument.documentElement;
return { top: 0, left: 0, bottom: docElt.clientHeight, right: docElt.clientWidth };
}
const tooltipConfig = Facet.define({
combine: values => {
var _a, _b, _c;
return ({
position: browser.ios ? "absolute" : ((_a = values.find(conf => conf.position)) === null || _a === void 0 ? void 0 : _a.position) || "fixed",
parent: ((_b = values.find(conf => conf.parent)) === null || _b === void 0 ? void 0 : _b.parent) || null,
tooltipSpace: ((_c = values.find(conf => conf.tooltipSpace)) === null || _c === void 0 ? void 0 : _c.tooltipSpace) || windowSpace,
});
}
});
const knownHeight = new WeakMap();
const tooltipPlugin = ViewPlugin.fromClass(class {
constructor(view) {
this.view = view;
this.above = [];
this.inView = true;
this.madeAbsolute = false;
this.lastTransaction = 0;
this.measureTimeout = -1;
let config = view.state.facet(tooltipConfig);
this.position = config.position;
this.parent = config.parent;
this.classes = view.themeClasses;
this.createContainer();
this.measureReq = { read: this.readMeasure.bind(this), write: this.writeMeasure.bind(this), key: this };
this.resizeObserver = typeof ResizeObserver == "function" ? new ResizeObserver(() => this.measureSoon()) : null;
this.manager = new TooltipViewManager(view, showTooltip, (t, p) => this.createTooltip(t, p), t => {
if (this.resizeObserver)
this.resizeObserver.unobserve(t.dom);
t.dom.remove();
});
this.above = this.manager.tooltips.map(t => !!t.above);
this.intersectionObserver = typeof IntersectionObserver == "function" ? new IntersectionObserver(entries => {
if (Date.now() > this.lastTransaction - 50 &&
entries.length > 0 && entries[entries.length - 1].intersectionRatio < 1)
this.measureSoon();
}, { threshold: [1] }) : null;
this.observeIntersection();
view.win.addEventListener("resize", this.measureSoon = this.measureSoon.bind(this));
this.maybeMeasure();
}
createContainer() {
if (this.parent) {
this.container = document.createElement("div");
this.container.style.position = "relative";
this.container.className = this.view.themeClasses;
this.parent.appendChild(this.container);
}
else {
this.container = this.view.dom;
}
}
observeIntersection() {
if (this.intersectionObserver) {
this.intersectionObserver.disconnect();
for (let tooltip of this.manager.tooltipViews)
this.intersectionObserver.observe(tooltip.dom);
}
}
measureSoon() {
if (this.measureTimeout < 0)
this.measureTimeout = setTimeout(() => {
this.measureTimeout = -1;
this.maybeMeasure();
}, 50);
}
update(update) {
if (update.transactions.length)
this.lastTransaction = Date.now();
let updated = this.manager.update(update, this.above);
if (updated)
this.observeIntersection();
let shouldMeasure = updated || update.geometryChanged;
let newConfig = update.state.facet(tooltipConfig);
if (newConfig.position != this.position && !this.madeAbsolute) {
this.position = newConfig.position;
for (let t of this.manager.tooltipViews)
t.dom.style.position = this.position;
shouldMeasure = true;
}
if (newConfig.parent != this.parent) {
if (this.parent)
this.container.remove();
this.parent = newConfig.parent;
this.createContainer();
for (let t of this.manager.tooltipViews)
this.container.appendChild(t.dom);
shouldMeasure = true;
}
else if (this.parent && this.view.themeClasses != this.classes) {
this.classes = this.container.className = this.view.themeClasses;
}
if (shouldMeasure)
this.maybeMeasure();
}
createTooltip(tooltip, prev) {
let tooltipView = tooltip.create(this.view);
let before = prev ? prev.dom : null;
tooltipView.dom.classList.add("cm-tooltip");
if (tooltip.arrow && !tooltipView.dom.querySelector(".cm-tooltip > .cm-tooltip-arrow")) {
let arrow = document.createElement("div");
arrow.className = "cm-tooltip-arrow";
tooltipView.dom.appendChild(arrow);
}
tooltipView.dom.style.position = this.position;
tooltipView.dom.style.top = Outside;
tooltipView.dom.style.left = "0px";
this.container.insertBefore(tooltipView.dom, before);
if (tooltipView.mount)
tooltipView.mount(this.view);
if (this.resizeObserver)
this.resizeObserver.observe(tooltipView.dom);
return tooltipView;
}
destroy() {
var _a, _b, _c;
this.view.win.removeEventListener("resize", this.measureSoon);
for (let tooltipView of this.manager.tooltipViews) {
tooltipView.dom.remove();
(_a = tooltipView.destroy) === null || _a === void 0 ? void 0 : _a.call(tooltipView);
}
if (this.parent)
this.container.remove();
(_b = this.resizeObserver) === null || _b === void 0 ? void 0 : _b.disconnect();
(_c = this.intersectionObserver) === null || _c === void 0 ? void 0 : _c.disconnect();
clearTimeout(this.measureTimeout);
}
readMeasure() {
let scaleX = 1, scaleY = 1, makeAbsolute = false;
if (this.position == "fixed" && this.manager.tooltipViews.length) {
let { dom } = this.manager.tooltipViews[0];
if (browser.safari) {
let rect = dom.getBoundingClientRect();
makeAbsolute = Math.abs(rect.top + 10000) > 1 || Math.abs(rect.left) > 1;
}
else {
makeAbsolute = !!dom.offsetParent && dom.offsetParent != this.container.ownerDocument.body;
}
}
if (makeAbsolute || this.position == "absolute") {
if (this.parent) {
let rect = this.parent.getBoundingClientRect();
if (rect.width && rect.height) {
scaleX = rect.width / this.parent.offsetWidth;
scaleY = rect.height / this.parent.offsetHeight;
}
}
else {
({ scaleX, scaleY } = this.view.viewState);
}
}
let visible = this.view.scrollDOM.getBoundingClientRect(), margins = getScrollMargins(this.view);
return {
visible: {
left: visible.left + margins.left, top: visible.top + margins.top,
right: visible.right - margins.right, bottom: visible.bottom - margins.bottom
},
parent: this.parent ? this.container.getBoundingClientRect() : this.view.dom.getBoundingClientRect(),
pos: this.manager.tooltips.map((t, i) => {
let tv = this.manager.tooltipViews[i];
return tv.getCoords ? tv.getCoords(t.pos) : this.view.coordsAtPos(t.pos);
}),
size: this.manager.tooltipViews.map(({ dom }) => dom.getBoundingClientRect()),
space: this.view.state.facet(tooltipConfig).tooltipSpace(this.view),
scaleX, scaleY, makeAbsolute
};
}
writeMeasure(measured) {
var _a;
if (measured.makeAbsolute) {
this.madeAbsolute = true;
this.position = "absolute";
for (let t of this.manager.tooltipViews)
t.dom.style.position = "absolute";
}
let { visible, space, scaleX, scaleY } = measured;
let others = [];
for (let i = 0; i < this.manager.tooltips.length; i++) {
let tooltip = this.manager.tooltips[i], tView = this.manager.tooltipViews[i], { dom } = tView;
let pos = measured.pos[i], size = measured.size[i];
if (!pos || tooltip.clip !== false && (pos.bottom <= Math.max(visible.top, space.top) ||
pos.top >= Math.min(visible.bottom, space.bottom) ||
pos.right < Math.max(visible.left, space.left) - .1 ||
pos.left > Math.min(visible.right, space.right) + .1)) {
dom.style.top = Outside;
continue;
}
let arrow = tooltip.arrow ? tView.dom.querySelector(".cm-tooltip-arrow") : null;
let arrowHeight = arrow ? 7 : 0;
let width = size.right - size.left, height = (_a = knownHeight.get(tView)) !== null && _a !== void 0 ? _a : size.bottom - size.top;
let offset = tView.offset || noOffset, ltr = this.view.textDirection == Direction.LTR;
let left = size.width > space.right - space.left
? (ltr ? space.left : space.right - size.width)
: ltr ? Math.max(space.left, Math.min(pos.left - (arrow ? 14 : 0) + offset.x, space.right - width))
: Math.min(Math.max(space.left, pos.left - width + (arrow ? 14 : 0) - offset.x), space.right - width);
let above = this.above[i];
if (!tooltip.strictSide && (above
? pos.top - height - arrowHeight - offset.y < space.top
: pos.bottom + height + arrowHeight + offset.y > space.bottom) &&
above == (space.bottom - pos.bottom > pos.top - space.top))
above = this.above[i] = !above;
let spaceVert = (above ? pos.top - space.top : space.bottom - pos.bottom) - arrowHeight;
if (spaceVert < height && tView.resize !== false) {
if (spaceVert < this.view.defaultLineHeight) {
dom.style.top = Outside;
continue;
}
knownHeight.set(tView, height);
dom.style.height = (height = spaceVert) / scaleY + "px";
}
else if (dom.style.height) {
dom.style.height = "";
}
let top = above ? pos.top - height - arrowHeight - offset.y : pos.bottom + arrowHeight + offset.y;
let right = left + width;
if (tView.overlap !== true)
for (let r of others)
if (r.left < right && r.right > left && r.top < top + height && r.bottom > top)
top = above ? r.top - height - 2 - arrowHeight : r.bottom + arrowHeight + 2;
if (this.position == "absolute") {
dom.style.top = (top - measured.parent.top) / scaleY + "px";
setLeftStyle(dom, (left - measured.parent.left) / scaleX);
}
else {
dom.style.top = top / scaleY + "px";
setLeftStyle(dom, left / scaleX);
}
if (arrow) {
let arrowLeft = pos.left + (ltr ? offset.x : -offset.x) - (left + 14 - 7 );
arrow.style.left = arrowLeft / scaleX + "px";
}
if (tView.overlap !== true)
others.push({ left, top, right, bottom: top + height });
dom.classList.toggle("cm-tooltip-above", above);
dom.classList.toggle("cm-tooltip-below", !above);
if (tView.positioned)
tView.positioned(measured.space);
}
}
maybeMeasure() {
if (this.manager.tooltips.length) {
if (this.view.inView)
this.view.requestMeasure(this.measureReq);
if (this.inView != this.view.inView) {
this.inView = this.view.inView;
if (!this.inView)
for (let tv of this.manager.tooltipViews)
tv.dom.style.top = Outside;
}
}
}
}, {
eventObservers: {
scroll() { this.maybeMeasure(); }
}
});
function setLeftStyle(elt, value) {
let current = parseInt(elt.style.left, 10);
if (isNaN(current) || Math.abs(value - current) > 1)
elt.style.left = value + "px";
}
const baseTheme$3 = EditorView.baseTheme({
".cm-tooltip": {
zIndex: 500,
boxSizing: "border-box"
},
"&light .cm-tooltip": {
border: "1px solid #bbb",
backgroundColor: "#f5f5f5"
},
"&light .cm-tooltip-section:not(:first-child)": {
borderTop: "1px solid #bbb",
},
"&dark .cm-tooltip": {
backgroundColor: "#333338",
color: "white"
},
".cm-tooltip-arrow": {
height: `${7 }px`,
width: `${7 * 2}px`,
position: "absolute",
zIndex: -1,
overflow: "hidden",
"&:before, &:after": {
content: "''",
position: "absolute",
width: 0,
height: 0,
borderLeft: `${7 }px solid transparent`,
borderRight: `${7 }px solid transparent`,
},
".cm-tooltip-above &": {
bottom: `-${7 }px`,
"&:before": {
borderTop: `${7 }px solid #bbb`,
},
"&:after": {
borderTop: `${7 }px solid #f5f5f5`,
bottom: "1px"
}
},
".cm-tooltip-below &": {
top: `-${7 }px`,
"&:before": {
borderBottom: `${7 }px solid #bbb`,
},
"&:after": {
borderBottom: `${7 }px solid #f5f5f5`,
top: "1px"
}
},
},
"&dark .cm-tooltip .cm-tooltip-arrow": {
"&:before": {
borderTopColor: "#333338",
borderBottomColor: "#333338"
},
"&:after": {
borderTopColor: "transparent",
borderBottomColor: "transparent"
}
}
});
const noOffset = { x: 0, y: 0 };
const showTooltip = Facet.define({
enables: [tooltipPlugin, baseTheme$3]
});
const showHoverTooltip = Facet.define({
combine: inputs => inputs.reduce((a, i) => a.concat(i), [])
});
class HoverTooltipHost {
static create(view) {
return new HoverTooltipHost(view);
}
constructor(view) {
this.view = view;
this.mounted = false;
this.dom = document.createElement("div");
this.dom.classList.add("cm-tooltip-hover");
this.manager = new TooltipViewManager(view, showHoverTooltip, (t, p) => this.createHostedView(t, p), t => t.dom.remove());
}
createHostedView(tooltip, prev) {
let hostedView = tooltip.create(this.view);
hostedView.dom.classList.add("cm-tooltip-section");
this.dom.insertBefore(hostedView.dom, prev ? prev.dom.nextSibling : this.dom.firstChild);
if (this.mounted && hostedView.mount)
hostedView.mount(this.view);
return hostedView;
}
mount(view) {
for (let hostedView of this.manager.tooltipViews) {
if (hostedView.mount)
hostedView.mount(view);
}
this.mounted = true;
}
positioned(space) {
for (let hostedView of this.manager.tooltipViews) {
if (hostedView.positioned)
hostedView.positioned(space);
}
}
update(update) {
this.manager.update(update);
}
destroy() {
var _a;
for (let t of this.manager.tooltipViews)
(_a = t.destroy) === null || _a === void 0 ? void 0 : _a.call(t);
}
passProp(name) {
let value = undefined;
for (let view of this.manager.tooltipViews) {
let given = view[name];
if (given !== undefined) {
if (value === undefined)
value = given;
else if (value !== given)
return undefined;
}
}
return value;
}
get offset() { return this.passProp("offset"); }
get getCoords() { return this.passProp("getCoords"); }
get overlap() { return this.passProp("overlap"); }
get resize() { return this.passProp("resize"); }
}
const showHoverTooltipHost = showTooltip.compute([showHoverTooltip], state => {
let tooltips = state.facet(showHoverTooltip);
if (tooltips.length === 0)
return null;
return {
pos: Math.min(...tooltips.map(t => t.pos)),
end: Math.max(...tooltips.map(t => { var _a; return (_a = t.end) !== null && _a !== void 0 ? _a : t.pos; })),
create: HoverTooltipHost.create,
above: tooltips[0].above,
arrow: tooltips.some(t => t.arrow),
};
});
class HoverPlugin {
constructor(view, source, field, setHover, hoverTime) {
this.view = view;
this.source = source;
this.field = field;
this.setHover = setHover;
this.hoverTime = hoverTime;
this.hoverTimeout = -1;
this.restartTimeout = -1;
this.pending = null;
this.lastMove = { x: 0, y: 0, target: view.dom, time: 0 };
this.checkHover = this.checkHover.bind(this);
view.dom.addEventListener("mouseleave", this.mouseleave = this.mouseleave.bind(this));
view.dom.addEventListener("mousemove", this.mousemove = this.mousemove.bind(this));
}
update() {
if (this.pending) {
this.pending = null;
clearTimeout(this.restartTimeout);
this.restartTimeout = setTimeout(() => this.startHover(), 20);
}
}
get active() {
return this.view.state.field(this.field);
}
checkHover() {
this.hoverTimeout = -1;
if (this.active.length)
return;
let hovered = Date.now() - this.lastMove.time;
if (hovered < this.hoverTime)
this.hoverTimeout = setTimeout(this.checkHover, this.hoverTime - hovered);
else
this.startHover();
}
startHover() {
clearTimeout(this.restartTimeout);
let { view, lastMove } = this;
let tile = view.docView.tile.nearest(lastMove.target);
if (!tile)
return;
let pos, side = 1;
if (tile.isWidget()) {
pos = tile.posAtStart;
}
else {
pos = view.posAtCoords(lastMove);
if (pos == null)
return;
let posCoords = view.coordsAtPos(pos);
if (!posCoords ||
lastMove.y < posCoords.top || lastMove.y > posCoords.bottom ||
lastMove.x < posCoords.left - view.defaultCharacterWidth ||
lastMove.x > posCoords.right + view.defaultCharacterWidth)
return;
let bidi = view.bidiSpans(view.state.doc.lineAt(pos)).find(s => s.from <= pos && s.to >= pos);
let rtl = bidi && bidi.dir == Direction.RTL ? -1 : 1;
side = (lastMove.x < posCoords.left ? -rtl : rtl);
}
let open = this.source(view, pos, side);
if (open === null || open === void 0 ? void 0 : open.then) {
let pending = this.pending = { pos };
open.then(result => {
if (this.pending == pending) {
this.pending = null;
if (result && !(Array.isArray(result) && !result.length))
view.dispatch({ effects: this.setHover.of(Array.isArray(result) ? result : [result]) });
}
}, e => logException(view.state, e, "hover tooltip"));
}
else if (open && !(Array.isArray(open) && !open.length)) {
view.dispatch({ effects: this.setHover.of(Array.isArray(open) ? open : [open]) });
}
}
get tooltip() {
let plugin = this.view.plugin(tooltipPlugin);
let index = plugin ? plugin.manager.tooltips.findIndex(t => t.create == HoverTooltipHost.create) : -1;
return index > -1 ? plugin.manager.tooltipViews[index] : null;
}
mousemove(event) {
var _a, _b;
this.lastMove = { x: event.clientX, y: event.clientY, target: event.target, time: Date.now() };
if (this.hoverTimeout < 0)
this.hoverTimeout = setTimeout(this.checkHover, this.hoverTime);
let { active, tooltip } = this;
if (active.length && tooltip && !isInTooltip(tooltip.dom, event) || this.pending) {
let { pos } = active[0] || this.pending, end = (_b = (_a = active[0]) === null || _a === void 0 ? void 0 : _a.end) !== null && _b !== void 0 ? _b : pos;
if ((pos == end ? this.view.posAtCoords(this.lastMove) != pos
: !isOverRange(this.view, pos, end, event.clientX, event.clientY))) {
this.view.dispatch({ effects: this.setHover.of([]) });
this.pending = null;
}
}
}
mouseleave(event) {
clearTimeout(this.hoverTimeout);
this.hoverTimeout = -1;
let { active } = this;
if (active.length) {
let { tooltip } = this;
let inTooltip = tooltip && tooltip.dom.contains(event.relatedTarget);
if (!inTooltip)
this.view.dispatch({ effects: this.setHover.of([]) });
else
this.watchTooltipLeave(tooltip.dom);
}
}
watchTooltipLeave(tooltip) {
let watch = (event) => {
tooltip.removeEventListener("mouseleave", watch);
if (this.active.length && !this.view.dom.contains(event.relatedTarget))
this.view.dispatch({ effects: this.setHover.of([]) });
};
tooltip.addEventListener("mouseleave", watch);
}
destroy() {
clearTimeout(this.hoverTimeout);
clearTimeout(this.restartTimeout);
this.view.dom.removeEventListener("mouseleave", this.mouseleave);
this.view.dom.removeEventListener("mousemove", this.mousemove);
}
}
const tooltipMargin = 4;
function isInTooltip(tooltip, event) {
let { left, right, top, bottom } = tooltip.getBoundingClientRect(), arrow;
if (arrow = tooltip.querySelector(".cm-tooltip-arrow")) {
let arrowRect = arrow.getBoundingClientRect();
top = Math.min(arrowRect.top, top);
bottom = Math.max(arrowRect.bottom, bottom);
}
return event.clientX >= left - tooltipMargin && event.clientX <= right + tooltipMargin &&
event.clientY >= top - tooltipMargin && event.clientY <= bottom + tooltipMargin;
}
function isOverRange(view, from, to, x, y, margin) {
let rect = view.scrollDOM.getBoundingClientRect();
let docBottom = view.documentTop + view.documentPadding.top + view.contentHeight;
if (rect.left > x || rect.right < x || rect.top > y || Math.min(rect.bottom, docBottom) < y)
return false;
let pos = view.posAtCoords({ x, y }, false);
return pos >= from && pos <= to;
}
function hoverTooltip(source, options = {}) {
let setHover = StateEffect.define();
let hoverState = StateField.define({
create() { return []; },
update(value, tr) {
if (value.length) {
if (options.hideOnChange && (tr.docChanged || tr.selection))
value = [];
else if (options.hideOn)
value = value.filter(v => !options.hideOn(tr, v));
if (tr.docChanged) {
let mapped = [];
for (let tooltip of value) {
let newPos = tr.changes.mapPos(tooltip.pos, -1, MapMode.TrackDel);
if (newPos != null) {
let copy = Object.assign(Object.create(null), tooltip);
copy.pos = newPos;
if (copy.end != null)
copy.end = tr.changes.mapPos(copy.end);
mapped.push(copy);
}
}
value = mapped;
}
}
for (let effect of tr.effects) {
if (effect.is(setHover))
value = effect.value;
if (effect.is(closeHoverTooltipEffect))
value = [];
}
return value;
},
provide: f => showHoverTooltip.from(f)
});
return {
active: hoverState,
extension: [
hoverState,
ViewPlugin.define(view => new HoverPlugin(view, source, hoverState, setHover, options.hoverTime || 300 )),
showHoverTooltipHost
]
};
}
function getTooltip(view, tooltip) {
let plugin = view.plugin(tooltipPlugin);
if (!plugin)
return null;
let found = plugin.manager.tooltips.indexOf(tooltip);
return found < 0 ? null : plugin.manager.tooltipViews[found];
}
function hasHoverTooltips(state) {
return state.facet(showHoverTooltip).some(x => x);
}
const closeHoverTooltipEffect = StateEffect.define();
const closeHoverTooltips = closeHoverTooltipEffect.of(null);
function repositionTooltips(view) {
let plugin = view.plugin(tooltipPlugin);
if (plugin)
plugin.maybeMeasure();
}
const panelConfig = Facet.define({
combine(configs) {
let topContainer, bottomContainer;
for (let c of configs) {
topContainer = topContainer || c.topContainer;
bottomContainer = bottomContainer || c.bottomContainer;
}
return { topContainer, bottomContainer };
}
});
function panels(config) {
return config ? [panelConfig.of(config)] : [];
}
function getPanel(view, panel) {
let plugin = view.plugin(panelPlugin);
let index = plugin ? plugin.specs.indexOf(panel) : -1;
return index > -1 ? plugin.panels[index] : null;
}
const panelPlugin = ViewPlugin.fromClass(class {
constructor(view) {
this.input = view.state.facet(showPanel);
this.specs = this.input.filter(s => s);
this.panels = this.specs.map(spec => spec(view));
let conf = view.state.facet(panelConfig);
this.top = new PanelGroup(view, true, conf.topContainer);
this.bottom = new PanelGroup(view, false, conf.bottomContainer);
this.top.sync(this.panels.filter(p => p.top));
this.bottom.sync(this.panels.filter(p => !p.top));
for (let p of this.panels) {
p.dom.classList.add("cm-panel");
if (p.mount)
p.mount();
}
}
update(update) {
let conf = update.state.facet(panelConfig);
if (this.top.container != conf.topContainer) {
this.top.sync([]);
this.top = new PanelGroup(update.view, true, conf.topContainer);
}
if (this.bottom.container != conf.bottomContainer) {
this.bottom.sync([]);
this.bottom = new PanelGroup(update.view, false, conf.bottomContainer);
}
this.top.syncClasses();
this.bottom.syncClasses();
let input = update.state.facet(showPanel);
if (input != this.input) {
let specs = input.filter(x => x);
let panels = [], top = [], bottom = [], mount = [];
for (let spec of specs) {
let known = this.specs.indexOf(spec), panel;
if (known < 0) {
panel = spec(update.view);
mount.push(panel);
}
else {
panel = this.panels[known];
if (panel.update)
panel.update(update);
}
panels.push(panel);
(panel.top ? top : bottom).push(panel);
}
this.specs = specs;
this.panels = panels;
this.top.sync(top);
this.bottom.sync(bottom);
for (let p of mount) {
p.dom.classList.add("cm-panel");
if (p.mount)
p.mount();
}
}
else {
for (let p of this.panels)
if (p.update)
p.update(update);
}
}
destroy() {
this.top.sync([]);
this.bottom.sync([]);
}
}, {
provide: plugin => EditorView.scrollMargins.of(view => {
let value = view.plugin(plugin);
return value && { top: value.top.scrollMargin(), bottom: value.bottom.scrollMargin() };
})
});
class PanelGroup {
constructor(view, top, container) {
this.view = view;
this.top = top;
this.container = container;
this.dom = undefined;
this.classes = "";
this.panels = [];
this.syncClasses();
}
sync(panels) {
for (let p of this.panels)
if (p.destroy && panels.indexOf(p) < 0)
p.destroy();
this.panels = panels;
this.syncDOM();
}
syncDOM() {
if (this.panels.length == 0) {
if (this.dom) {
this.dom.remove();
this.dom = undefined;
}
return;
}
if (!this.dom) {
this.dom = document.createElement("div");
this.dom.className = this.top ? "cm-panels cm-panels-top" : "cm-panels cm-panels-bottom";
this.dom.style[this.top ? "top" : "bottom"] = "0";
let parent = this.container || this.view.dom;
parent.insertBefore(this.dom, this.top ? parent.firstChild : null);
}
let curDOM = this.dom.firstChild;
for (let panel of this.panels) {
if (panel.dom.parentNode == this.dom) {
while (curDOM != panel.dom)
curDOM = rm(curDOM);
curDOM = curDOM.nextSibling;
}
else {
this.dom.insertBefore(panel.dom, curDOM);
}
}
while (curDOM)
curDOM = rm(curDOM);
}
scrollMargin() {
return !this.dom || this.container ? 0
: Math.max(0, this.top ?
this.dom.getBoundingClientRect().bottom - Math.max(0, this.view.scrollDOM.getBoundingClientRect().top) :
Math.min(innerHeight, this.view.scrollDOM.getBoundingClientRect().bottom) - this.dom.getBoundingClientRect().top);
}
syncClasses() {
if (!this.container || this.classes == this.view.themeClasses)
return;
for (let cls of this.classes.split(" "))
if (cls)
this.container.classList.remove(cls);
for (let cls of (this.classes = this.view.themeClasses).split(" "))
if (cls)
this.container.classList.add(cls);
}
}
function rm(node) {
let next = node.nextSibling;
node.remove();
return next;
}
const showPanel = Facet.define({
enables: panelPlugin
});
function showDialog(view, config) {
let resolve;
let promise = new Promise(r => resolve = r);
let panelCtor = (view) => createDialog(view, config, resolve);
if (view.state.field(dialogField, false)) {
view.dispatch({ effects: openDialogEffect.of(panelCtor) });
}
else {
view.dispatch({ effects: StateEffect.appendConfig.of(dialogField.init(() => [panelCtor])) });
}
let close = closeDialogEffect.of(panelCtor);
return { close, result: promise.then(form => {
let queue = view.win.queueMicrotask || ((f) => view.win.setTimeout(f, 10));
queue(() => {
if (view.state.field(dialogField).indexOf(panelCtor) > -1)
view.dispatch({ effects: close });
});
return form;
}) };
}
function getDialog(view, className) {
let dialogs = view.state.field(dialogField, false) || [];
for (let open of dialogs) {
let panel = getPanel(view, open);
if (panel && panel.dom.classList.contains(className))
return panel;
}
return null;
}
const dialogField = StateField.define({
create() { return []; },
update(dialogs, tr) {
for (let e of tr.effects) {
if (e.is(openDialogEffect))
dialogs = [e.value].concat(dialogs);
else if (e.is(closeDialogEffect))
dialogs = dialogs.filter(d => d != e.value);
}
return dialogs;
},
provide: f => showPanel.computeN([f], state => state.field(f))
});
const openDialogEffect = StateEffect.define();
const closeDialogEffect = StateEffect.define();
function createDialog(view, config, result) {
let content = config.content ? config.content(view, () => done(null)) : null;
if (!content) {
content = crelt("form");
if (config.input) {
let input = crelt("input", config.input);
if (/^(text|password|number|email|tel|url)$/.test(input.type))
input.classList.add("cm-textfield");
if (!input.name)
input.name = "input";
content.appendChild(crelt("label", (config.label || "") + ": ", input));
}
else {
content.appendChild(document.createTextNode(config.label || ""));
}
content.appendChild(document.createTextNode(" "));
content.appendChild(crelt("button", { class: "cm-button", type: "submit" }, config.submitLabel || "OK"));
}
let forms = content.nodeName == "FORM" ? [content] : content.querySelectorAll("form");
for (let i = 0; i < forms.length; i++) {
let form = forms[i];
form.addEventListener("keydown", (event) => {
if (event.keyCode == 27) {
event.preventDefault();
done(null);
}
else if (event.keyCode == 13) {
event.preventDefault();
done(form);
}
});
form.addEventListener("submit", (event) => {
event.preventDefault();
done(form);
});
}
let panel = crelt("div", content, crelt("button", {
onclick: () => done(null),
"aria-label": view.state.phrase("close"),
class: "cm-dialog-close",
type: "button"
}, ["×"]));
if (config.class)
panel.className = config.class;
panel.classList.add("cm-dialog");
function done(form) {
if (panel.contains(panel.ownerDocument.activeElement))
view.focus();
result(form);
}
return {
dom: panel,
top: config.top,
mount: () => {
if (config.focus) {
let focus;
if (typeof config.focus == "string")
focus = content.querySelector(config.focus);
else
focus = content.querySelector("input") || content.querySelector("button");
if (focus && "select" in focus)
focus.select();
else if (focus && "focus" in focus)
focus.focus();
}
}
};
}
class GutterMarker extends RangeValue {
compare(other) {
return this == other || this.constructor == other.constructor && this.eq(other);
}
eq(other) { return false; }
destroy(dom) { }
}
GutterMarker.prototype.elementClass = "";
GutterMarker.prototype.toDOM = undefined;
GutterMarker.prototype.mapMode = MapMode.TrackBefore;
GutterMarker.prototype.startSide = GutterMarker.prototype.endSide = -1;
GutterMarker.prototype.point = true;
const gutterLineClass = Facet.define();
const gutterWidgetClass = Facet.define();
const defaults$1 = {
class: "",
renderEmptyElements: false,
elementStyle: "",
markers: () => RangeSet.empty,
lineMarker: () => null,
widgetMarker: () => null,
lineMarkerChange: null,
initialSpacer: null,
updateSpacer: null,
domEventHandlers: {},
side: "before"
};
const activeGutters = Facet.define();
function gutter(config) {
return [gutters(), activeGutters.of({ ...defaults$1, ...config })];
}
const unfixGutters = Facet.define({
combine: values => values.some(x => x)
});
function gutters(config) {
let result = [
gutterView,
];
if (config && config.fixed === false)
result.push(unfixGutters.of(true));
return result;
}
const gutterView = ViewPlugin.fromClass(class {
constructor(view) {
this.view = view;
this.domAfter = null;
this.prevViewport = view.viewport;
this.dom = document.createElement("div");
this.dom.className = "cm-gutters cm-gutters-before";
this.dom.setAttribute("aria-hidden", "true");
this.dom.style.minHeight = (this.view.contentHeight / this.view.scaleY) + "px";
this.gutters = view.state.facet(activeGutters).map(conf => new SingleGutterView(view, conf));
this.fixed = !view.state.facet(unfixGutters);
for (let gutter of this.gutters) {
if (gutter.config.side == "after")
this.getDOMAfter().appendChild(gutter.dom);
else
this.dom.appendChild(gutter.dom);
}
if (this.fixed) {
this.dom.style.position = "sticky";
}
this.syncGutters(false);
view.scrollDOM.insertBefore(this.dom, view.contentDOM);
}
getDOMAfter() {
if (!this.domAfter) {
this.domAfter = document.createElement("div");
this.domAfter.className = "cm-gutters cm-gutters-after";
this.domAfter.setAttribute("aria-hidden", "true");
this.domAfter.style.minHeight = (this.view.contentHeight / this.view.scaleY) + "px";
this.domAfter.style.position = this.fixed ? "sticky" : "";
this.view.scrollDOM.appendChild(this.domAfter);
}
return this.domAfter;
}
update(update) {
if (this.updateGutters(update)) {
let vpA = this.prevViewport, vpB = update.view.viewport;
let vpOverlap = Math.min(vpA.to, vpB.to) - Math.max(vpA.from, vpB.from);
this.syncGutters(vpOverlap < (vpB.to - vpB.from) * 0.8);
}
if (update.geometryChanged) {
let min = (this.view.contentHeight / this.view.scaleY) + "px";
this.dom.style.minHeight = min;
if (this.domAfter)
this.domAfter.style.minHeight = min;
}
if (this.view.state.facet(unfixGutters) != !this.fixed) {
this.fixed = !this.fixed;
this.dom.style.position = this.fixed ? "sticky" : "";
if (this.domAfter)
this.domAfter.style.position = this.fixed ? "sticky" : "";
}
this.prevViewport = update.view.viewport;
}
syncGutters(detach) {
let after = this.dom.nextSibling;
if (detach) {
this.dom.remove();
if (this.domAfter)
this.domAfter.remove();
}
let lineClasses = RangeSet.iter(this.view.state.facet(gutterLineClass), this.view.viewport.from);
let classSet = [];
let contexts = this.gutters.map(gutter => new UpdateContext(gutter, this.view.viewport, -this.view.documentPadding.top));
for (let line of this.view.viewportLineBlocks) {
if (classSet.length)
classSet = [];
if (Array.isArray(line.type)) {
let first = true;
for (let b of line.type) {
if (b.type == BlockType.Text && first) {
advanceCursor(lineClasses, classSet, b.from);
for (let cx of contexts)
cx.line(this.view, b, classSet);
first = false;
}
else if (b.widget) {
for (let cx of contexts)
cx.widget(this.view, b);
}
}
}
else if (line.type == BlockType.Text) {
advanceCursor(lineClasses, classSet, line.from);
for (let cx of contexts)
cx.line(this.view, line, classSet);
}
else if (line.widget) {
for (let cx of contexts)
cx.widget(this.view, line);
}
}
for (let cx of contexts)
cx.finish();
if (detach) {
this.view.scrollDOM.insertBefore(this.dom, after);
if (this.domAfter)
this.view.scrollDOM.appendChild(this.domAfter);
}
}
updateGutters(update) {
let prev = update.startState.facet(activeGutters), cur = update.state.facet(activeGutters);
let change = update.docChanged || update.heightChanged || update.viewportChanged ||
!RangeSet.eq(update.startState.facet(gutterLineClass), update.state.facet(gutterLineClass), update.view.viewport.from, update.view.viewport.to);
if (prev == cur) {
for (let gutter of this.gutters)
if (gutter.update(update))
change = true;
}
else {
change = true;
let gutters = [];
for (let conf of cur) {
let known = prev.indexOf(conf);
if (known < 0) {
gutters.push(new SingleGutterView(this.view, conf));
}
else {
this.gutters[known].update(update);
gutters.push(this.gutters[known]);
}
}
for (let g of this.gutters) {
g.dom.remove();
if (gutters.indexOf(g) < 0)
g.destroy();
}
for (let g of gutters) {
if (g.config.side == "after")
this.getDOMAfter().appendChild(g.dom);
else
this.dom.appendChild(g.dom);
}
this.gutters = gutters;
}
return change;
}
destroy() {
for (let view of this.gutters)
view.destroy();
this.dom.remove();
if (this.domAfter)
this.domAfter.remove();
}
}, {
provide: plugin => EditorView.scrollMargins.of(view => {
let value = view.plugin(plugin);
if (!value || value.gutters.length == 0 || !value.fixed)
return null;
let before = value.dom.offsetWidth * view.scaleX, after = value.domAfter ? value.domAfter.offsetWidth * view.scaleX : 0;
return view.textDirection == Direction.LTR
? { left: before, right: after }
: { right: before, left: after };
})
});
function asArray(val) { return (Array.isArray(val) ? val : [val]); }
function advanceCursor(cursor, collect, pos) {
while (cursor.value && cursor.from <= pos) {
if (cursor.from == pos)
collect.push(cursor.value);
cursor.next();
}
}
class UpdateContext {
constructor(gutter, viewport, height) {
this.gutter = gutter;
this.height = height;
this.i = 0;
this.cursor = RangeSet.iter(gutter.markers, viewport.from);
}
addElement(view, block, markers) {
let { gutter } = this, above = (block.top - this.height) / view.scaleY, height = block.height / view.scaleY;
if (this.i == gutter.elements.length) {
let newElt = new GutterElement(view, height, above, markers);
gutter.elements.push(newElt);
gutter.dom.appendChild(newElt.dom);
}
else {
gutter.elements[this.i].update(view, height, above, markers);
}
this.height = block.bottom;
this.i++;
}
line(view, line, extraMarkers) {
let localMarkers = [];
advanceCursor(this.cursor, localMarkers, line.from);
if (extraMarkers.length)
localMarkers = localMarkers.concat(extraMarkers);
let forLine = this.gutter.config.lineMarker(view, line, localMarkers);
if (forLine)
localMarkers.unshift(forLine);
let gutter = this.gutter;
if (localMarkers.length == 0 && !gutter.config.renderEmptyElements)
return;
this.addElement(view, line, localMarkers);
}
widget(view, block) {
let marker = this.gutter.config.widgetMarker(view, block.widget, block), markers = marker ? [marker] : null;
for (let cls of view.state.facet(gutterWidgetClass)) {
let marker = cls(view, block.widget, block);
if (marker)
(markers || (markers = [])).push(marker);
}
if (markers)
this.addElement(view, block, markers);
}
finish() {
let gutter = this.gutter;
while (gutter.elements.length > this.i) {
let last = gutter.elements.pop();
gutter.dom.removeChild(last.dom);
last.destroy();
}
}
}
class SingleGutterView {
constructor(view, config) {
this.view = view;
this.config = config;
this.elements = [];
this.spacer = null;
this.dom = document.createElement("div");
this.dom.className = "cm-gutter" + (this.config.class ? " " + this.config.class : "");
for (let prop in config.domEventHandlers) {
this.dom.addEventListener(prop, (event) => {
let target = event.target, y;
if (target != this.dom && this.dom.contains(target)) {
while (target.parentNode != this.dom)
target = target.parentNode;
let rect = target.getBoundingClientRect();
y = (rect.top + rect.bottom) / 2;
}
else {
y = event.clientY;
}
let line = view.lineBlockAtHeight(y - view.documentTop);
if (config.domEventHandlers[prop](view, line, event))
event.preventDefault();
});
}
this.markers = asArray(config.markers(view));
if (config.initialSpacer) {
this.spacer = new GutterElement(view, 0, 0, [config.initialSpacer(view)]);
this.dom.appendChild(this.spacer.dom);
this.spacer.dom.style.cssText += "visibility: hidden; pointer-events: none";
}
}
update(update) {
let prevMarkers = this.markers;
this.markers = asArray(this.config.markers(update.view));
if (this.spacer && this.config.updateSpacer) {
let updated = this.config.updateSpacer(this.spacer.markers[0], update);
if (updated != this.spacer.markers[0])
this.spacer.update(update.view, 0, 0, [updated]);
}
let vp = update.view.viewport;
return !RangeSet.eq(this.markers, prevMarkers, vp.from, vp.to) ||
(this.config.lineMarkerChange ? this.config.lineMarkerChange(update) : false);
}
destroy() {
for (let elt of this.elements)
elt.destroy();
}
}
class GutterElement {
constructor(view, height, above, markers) {
this.height = -1;
this.above = 0;
this.markers = [];
this.dom = document.createElement("div");
this.dom.className = "cm-gutterElement";
this.update(view, height, above, markers);
}
update(view, height, above, markers) {
if (this.height != height) {
this.height = height;
this.dom.style.height = height + "px";
}
if (this.above != above)
this.dom.style.marginTop = (this.above = above) ? above + "px" : "";
if (!sameMarkers(this.markers, markers))
this.setMarkers(view, markers);
}
setMarkers(view, markers) {
let cls = "cm-gutterElement", domPos = this.dom.firstChild;
for (let iNew = 0, iOld = 0;;) {
let skipTo = iOld, marker = iNew < markers.length ? markers[iNew++] : null, matched = false;
if (marker) {
let c = marker.elementClass;
if (c)
cls += " " + c;
for (let i = iOld; i < this.markers.length; i++)
if (this.markers[i].compare(marker)) {
skipTo = i;
matched = true;
break;
}
}
else {
skipTo = this.markers.length;
}
while (iOld < skipTo) {
let next = this.markers[iOld++];
if (next.toDOM) {
next.destroy(domPos);
let after = domPos.nextSibling;
domPos.remove();
domPos = after;
}
}
if (!marker)
break;
if (marker.toDOM) {
if (matched)
domPos = domPos.nextSibling;
else
this.dom.insertBefore(marker.toDOM(view), domPos);
}
if (matched)
iOld++;
}
this.dom.className = cls;
this.markers = markers;
}
destroy() {
this.setMarkers(null, []);
}
}
function sameMarkers(a, b) {
if (a.length != b.length)
return false;
for (let i = 0; i < a.length; i++)
if (!a[i].compare(b[i]))
return false;
return true;
}
const lineNumberMarkers = Facet.define();
const lineNumberWidgetMarker = Facet.define();
const lineNumberConfig = Facet.define({
combine(values) {
return combineConfig(values, { formatNumber: String, domEventHandlers: {} }, {
domEventHandlers(a, b) {
let result = Object.assign({}, a);
for (let event in b) {
let exists = result[event], add = b[event];
result[event] = exists ? (view, line, event) => exists(view, line, event) || add(view, line, event) : add;
}
return result;
}
});
}
});
class NumberMarker extends GutterMarker {
constructor(number) {
super();
this.number = number;
}
eq(other) { return this.number == other.number; }
toDOM() { return document.createTextNode(this.number); }
}
function formatNumber(view, number) {
return view.state.facet(lineNumberConfig).formatNumber(number, view.state);
}
const lineNumberGutter = activeGutters.compute([lineNumberConfig], state => ({
class: "cm-lineNumbers",
renderEmptyElements: false,
markers(view) { return view.state.facet(lineNumberMarkers); },
lineMarker(view, line, others) {
if (others.some(m => m.toDOM))
return null;
return new NumberMarker(formatNumber(view, view.state.doc.lineAt(line.from).number));
},
widgetMarker: (view, widget, block) => {
for (let m of view.state.facet(lineNumberWidgetMarker)) {
let result = m(view, widget, block);
if (result)
return result;
}
return null;
},
lineMarkerChange: update => update.startState.facet(lineNumberConfig) != update.state.facet(lineNumberConfig),
initialSpacer(view) {
return new NumberMarker(formatNumber(view, maxLineNumber(view.state.doc.lines)));
},
updateSpacer(spacer, update) {
let max = formatNumber(update.view, maxLineNumber(update.view.state.doc.lines));
return max == spacer.number ? spacer : new NumberMarker(max);
},
domEventHandlers: state.facet(lineNumberConfig).domEventHandlers,
side: "before"
}));
function lineNumbers(config = {}) {
return [
lineNumberConfig.of(config),
gutters(),
lineNumberGutter
];
}
function maxLineNumber(lines) {
let last = 9;
while (last < lines)
last = last * 10 + 9;
return last;
}
const activeLineGutterMarker = new class extends GutterMarker {
constructor() {
super(...arguments);
this.elementClass = "cm-activeLineGutter";
}
};
const activeLineGutterHighlighter = gutterLineClass.compute(["selection"], state => {
let marks = [], last = -1;
for (let range of state.selection.ranges) {
let linePos = state.doc.lineAt(range.head).from;
if (linePos > last) {
last = linePos;
marks.push(activeLineGutterMarker.range(linePos));
}
}
return RangeSet.of(marks);
});
function highlightActiveLineGutter() {
return activeLineGutterHighlighter;
}
function matcher(decorator) {
return ViewPlugin.define(view => ({
decorations: decorator.createDeco(view),
update(u) {
this.decorations = decorator.updateDeco(u, this.decorations);
},
}), {
decorations: v => v.decorations
});
}
const tabDeco = Decoration.mark({ class: "cm-highlightTab" });
const spaceDeco = Decoration.mark({ class: "cm-highlightSpace" });
const whitespaceHighlighter = matcher(new MatchDecorator({
regexp: /\t| /g,
decoration: match => match[0] == "\t" ? tabDeco : spaceDeco,
boundary: /\S/,
}));
function highlightWhitespace() {
return whitespaceHighlighter;
}
const trailingHighlighter = matcher(new MatchDecorator({
regexp: /\s+$/g,
decoration: Decoration.mark({ class: "cm-trailingSpace" })
}));
function highlightTrailingWhitespace() {
return trailingHighlighter;
}
const __test = { HeightMap, HeightOracle, MeasuredHeights, QueryType: QueryType$1, ChangedRange, computeOrder,
moveVisually, clearHeightChangeFlag, getHeightChangeFlag: () => heightChangeFlag };
var cmView = /*#__PURE__*/Object.freeze({
__proto__: null,
BidiSpan: BidiSpan,
BlockInfo: BlockInfo,
get BlockType () { return BlockType; },
BlockWrapper: BlockWrapper,
Decoration: Decoration,
get Direction () { return Direction; },
EditorView: EditorView,
GutterMarker: GutterMarker,
MatchDecorator: MatchDecorator,
RectangleMarker: RectangleMarker,
ViewPlugin: ViewPlugin,
ViewUpdate: ViewUpdate,
WidgetType: WidgetType,
__test: __test,
closeHoverTooltips: closeHoverTooltips,
crosshairCursor: crosshairCursor,
drawSelection: drawSelection,
dropCursor: dropCursor,
getDialog: getDialog,
getDrawSelectionConfig: getDrawSelectionConfig,
getPanel: getPanel,
getTooltip: getTooltip,
gutter: gutter,
gutterLineClass: gutterLineClass,
gutterWidgetClass: gutterWidgetClass,
gutters: gutters,
hasHoverTooltips: hasHoverTooltips,
highlightActiveLine: highlightActiveLine,
highlightActiveLineGutter: highlightActiveLineGutter,
highlightSpecialChars: highlightSpecialChars,
highlightTrailingWhitespace: highlightTrailingWhitespace,
highlightWhitespace: highlightWhitespace,
hoverTooltip: hoverTooltip,
keymap: keymap,
layer: layer,
lineNumberMarkers: lineNumberMarkers,
lineNumberWidgetMarker: lineNumberWidgetMarker,
lineNumbers: lineNumbers,
logException: logException,
panels: panels,
placeholder: placeholder,
rectangularSelection: rectangularSelection,
repositionTooltips: repositionTooltips,
runScopeHandlers: runScopeHandlers,
scrollPastEnd: scrollPastEnd,
showDialog: showDialog,
showPanel: showPanel,
showTooltip: showTooltip,
tooltips: tooltips
});
const DefaultBufferLength = 1024;
let nextPropID = 0;
class Range {
constructor(from, to) {
this.from = from;
this.to = to;
}
}
class NodeProp {
constructor(config = {}) {
this.id = nextPropID++;
this.perNode = !!config.perNode;
this.deserialize = config.deserialize || (() => {
throw new Error("This node type doesn't define a deserialize function");
});
this.combine = config.combine || null;
}
add(match) {
if (this.perNode)
throw new RangeError("Can't add per-node props to node types");
if (typeof match != "function")
match = NodeType.match(match);
return (type) => {
let result = match(type);
return result === undefined ? null : [this, result];
};
}
}
NodeProp.closedBy = new NodeProp({ deserialize: str => str.split(" ") });
NodeProp.openedBy = new NodeProp({ deserialize: str => str.split(" ") });
NodeProp.group = new NodeProp({ deserialize: str => str.split(" ") });
NodeProp.isolate = new NodeProp({ deserialize: value => {
if (value && value != "rtl" && value != "ltr" && value != "auto")
throw new RangeError("Invalid value for isolate: " + value);
return value || "auto";
} });
NodeProp.contextHash = new NodeProp({ perNode: true });
NodeProp.lookAhead = new NodeProp({ perNode: true });
NodeProp.mounted = new NodeProp({ perNode: true });
class MountedTree {
constructor(
tree,
overlay,
parser,
bracketed = false) {
this.tree = tree;
this.overlay = overlay;
this.parser = parser;
this.bracketed = bracketed;
}
static get(tree) {
return tree && tree.props && tree.props[NodeProp.mounted.id];
}
}
const noProps = Object.create(null);
class NodeType {
constructor(
name,
props,
id,
flags = 0) {
this.name = name;
this.props = props;
this.id = id;
this.flags = flags;
}
static define(spec) {
let props = spec.props && spec.props.length ? Object.create(null) : noProps;
let flags = (spec.top ? 1 : 0) | (spec.skipped ? 2 : 0) |
(spec.error ? 4 : 0) | (spec.name == null ? 8 : 0);
let type = new NodeType(spec.name || "", props, spec.id, flags);
if (spec.props)
for (let src of spec.props) {
if (!Array.isArray(src))
src = src(type);
if (src) {
if (src[0].perNode)
throw new RangeError("Can't store a per-node prop on a node type");
props[src[0].id] = src[1];
}
}
return type;
}
prop(prop) { return this.props[prop.id]; }
get isTop() { return (this.flags & 1 ) > 0; }
get isSkipped() { return (this.flags & 2 ) > 0; }
get isError() { return (this.flags & 4 ) > 0; }
get isAnonymous() { return (this.flags & 8 ) > 0; }
is(name) {
if (typeof name == 'string') {
if (this.name == name)
return true;
let group = this.prop(NodeProp.group);
return group ? group.indexOf(name) > -1 : false;
}
return this.id == name;
}
static match(map) {
let direct = Object.create(null);
for (let prop in map)
for (let name of prop.split(" "))
direct[name] = map[prop];
return (node) => {
for (let groups = node.prop(NodeProp.group), i = -1; i < (groups ? groups.length : 0); i++) {
let found = direct[i < 0 ? node.name : groups[i]];
if (found)
return found;
}
};
}
}
NodeType.none = new NodeType("", Object.create(null), 0, 8 );
class NodeSet {
constructor(
types) {
this.types = types;
for (let i = 0; i < types.length; i++)
if (types[i].id != i)
throw new RangeError("Node type ids should correspond to array positions when creating a node set");
}
extend(...props) {
let newTypes = [];
for (let type of this.types) {
let newProps = null;
for (let source of props) {
let add = source(type);
if (add) {
if (!newProps)
newProps = Object.assign({}, type.props);
let value = add[1], prop = add[0];
if (prop.combine && prop.id in newProps)
value = prop.combine(newProps[prop.id], value);
newProps[prop.id] = value;
}
}
newTypes.push(newProps ? new NodeType(type.name, newProps, type.id, type.flags) : type);
}
return new NodeSet(newTypes);
}
}
const CachedNode = new WeakMap(), CachedInnerNode = new WeakMap();
var IterMode;
(function (IterMode) {
IterMode[IterMode["ExcludeBuffers"] = 1] = "ExcludeBuffers";
IterMode[IterMode["IncludeAnonymous"] = 2] = "IncludeAnonymous";
IterMode[IterMode["IgnoreMounts"] = 4] = "IgnoreMounts";
IterMode[IterMode["IgnoreOverlays"] = 8] = "IgnoreOverlays";
IterMode[IterMode["EnterBracketed"] = 16] = "EnterBracketed";
})(IterMode || (IterMode = {}));
class Tree {
constructor(
type,
children,
positions,
length,
props) {
this.type = type;
this.children = children;
this.positions = positions;
this.length = length;
this.props = null;
if (props && props.length) {
this.props = Object.create(null);
for (let [prop, value] of props)
this.props[typeof prop == "number" ? prop : prop.id] = value;
}
}
toString() {
let mounted = MountedTree.get(this);
if (mounted && !mounted.overlay)
return mounted.tree.toString();
let children = "";
for (let ch of this.children) {
let str = ch.toString();
if (str) {
if (children)
children += ",";
children += str;
}
}
return !this.type.name ? children :
(/\W/.test(this.type.name) && !this.type.isError ? JSON.stringify(this.type.name) : this.type.name) +
(children.length ? "(" + children + ")" : "");
}
cursor(mode = 0) {
return new TreeCursor(this.topNode, mode);
}
cursorAt(pos, side = 0, mode = 0) {
let scope = CachedNode.get(this) || this.topNode;
let cursor = new TreeCursor(scope);
cursor.moveTo(pos, side);
CachedNode.set(this, cursor._tree);
return cursor;
}
get topNode() {
return new TreeNode(this, 0, 0, null);
}
resolve(pos, side = 0) {
let node = resolveNode(CachedNode.get(this) || this.topNode, pos, side, false);
CachedNode.set(this, node);
return node;
}
resolveInner(pos, side = 0) {
let node = resolveNode(CachedInnerNode.get(this) || this.topNode, pos, side, true);
CachedInnerNode.set(this, node);
return node;
}
resolveStack(pos, side = 0) {
return stackIterator(this, pos, side);
}
iterate(spec) {
let { enter, leave, from = 0, to = this.length } = spec;
let mode = spec.mode || 0, anon = (mode & IterMode.IncludeAnonymous) > 0;
for (let c = this.cursor(mode | IterMode.IncludeAnonymous);;) {
let entered = false;
if (c.from <= to && c.to >= from && (!anon && c.type.isAnonymous || enter(c) !== false)) {
if (c.firstChild())
continue;
entered = true;
}
for (;;) {
if (entered && leave && (anon || !c.type.isAnonymous))
leave(c);
if (c.nextSibling())
break;
if (!c.parent())
return;
entered = true;
}
}
}
prop(prop) {
return !prop.perNode ? this.type.prop(prop) : this.props ? this.props[prop.id] : undefined;
}
get propValues() {
let result = [];
if (this.props)
for (let id in this.props)
result.push([+id, this.props[id]]);
return result;
}
balance(config = {}) {
return this.children.length <= 8 ? this :
balanceRange(NodeType.none, this.children, this.positions, 0, this.children.length, 0, this.length, (children, positions, length) => new Tree(this.type, children, positions, length, this.propValues), config.makeTree || ((children, positions, length) => new Tree(NodeType.none, children, positions, length)));
}
static build(data) { return buildTree(data); }
}
Tree.empty = new Tree(NodeType.none, [], [], 0);
class FlatBufferCursor {
constructor(buffer, index) {
this.buffer = buffer;
this.index = index;
}
get id() { return this.buffer[this.index - 4]; }
get start() { return this.buffer[this.index - 3]; }
get end() { return this.buffer[this.index - 2]; }
get size() { return this.buffer[this.index - 1]; }
get pos() { return this.index; }
next() { this.index -= 4; }
fork() { return new FlatBufferCursor(this.buffer, this.index); }
}
class TreeBuffer {
constructor(
buffer,
length,
set) {
this.buffer = buffer;
this.length = length;
this.set = set;
}
get type() { return NodeType.none; }
toString() {
let result = [];
for (let index = 0; index < this.buffer.length;) {
result.push(this.childString(index));
index = this.buffer[index + 3];
}
return result.join(",");
}
childString(index) {
let id = this.buffer[index], endIndex = this.buffer[index + 3];
let type = this.set.types[id], result = type.name;
if (/\W/.test(result) && !type.isError)
result = JSON.stringify(result);
index += 4;
if (endIndex == index)
return result;
let children = [];
while (index < endIndex) {
children.push(this.childString(index));
index = this.buffer[index + 3];
}
return result + "(" + children.join(",") + ")";
}
findChild(startIndex, endIndex, dir, pos, side) {
let { buffer } = this, pick = -1;
for (let i = startIndex; i != endIndex; i = buffer[i + 3]) {
if (checkSide(side, pos, buffer[i + 1], buffer[i + 2])) {
pick = i;
if (dir > 0)
break;
}
}
return pick;
}
slice(startI, endI, from) {
let b = this.buffer;
let copy = new Uint16Array(endI - startI), len = 0;
for (let i = startI, j = 0; i < endI;) {
copy[j++] = b[i++];
copy[j++] = b[i++] - from;
let to = copy[j++] = b[i++] - from;
copy[j++] = b[i++] - startI;
len = Math.max(len, to);
}
return new TreeBuffer(copy, len, this.set);
}
}
function checkSide(side, pos, from, to) {
switch (side) {
case -2 : return from < pos;
case -1 : return to >= pos && from < pos;
case 0 : return from < pos && to > pos;
case 1 : return from <= pos && to > pos;
case 2 : return to > pos;
case 4 : return true;
}
}
function resolveNode(node, pos, side, overlays) {
var _a;
while (node.from == node.to ||
(side < 1 ? node.from >= pos : node.from > pos) ||
(side > -1 ? node.to <= pos : node.to < pos)) {
let parent = !overlays && node instanceof TreeNode && node.index < 0 ? null : node.parent;
if (!parent)
return node;
node = parent;
}
let mode = overlays ? 0 : IterMode.IgnoreOverlays;
if (overlays)
for (let scan = node, parent = scan.parent; parent; scan = parent, parent = scan.parent) {
if (scan instanceof TreeNode && scan.index < 0 && ((_a = parent.enter(pos, side, mode)) === null || _a === void 0 ? void 0 : _a.from) != scan.from)
node = parent;
}
for (;;) {
let inner = node.enter(pos, side, mode);
if (!inner)
return node;
node = inner;
}
}
class BaseNode {
cursor(mode = 0) { return new TreeCursor(this, mode); }
getChild(type, before = null, after = null) {
let r = getChildren(this, type, before, after);
return r.length ? r[0] : null;
}
getChildren(type, before = null, after = null) {
return getChildren(this, type, before, after);
}
resolve(pos, side = 0) {
return resolveNode(this, pos, side, false);
}
resolveInner(pos, side = 0) {
return resolveNode(this, pos, side, true);
}
matchContext(context) {
return matchNodeContext(this.parent, context);
}
enterUnfinishedNodesBefore(pos) {
let scan = this.childBefore(pos), node = this;
while (scan) {
let last = scan.lastChild;
if (!last || last.to != scan.to)
break;
if (last.type.isError && last.from == last.to) {
node = scan;
scan = last.prevSibling;
}
else {
scan = last;
}
}
return node;
}
get node() { return this; }
get next() { return this.parent; }
}
class TreeNode extends BaseNode {
constructor(_tree, from,
index, _parent) {
super();
this._tree = _tree;
this.from = from;
this.index = index;
this._parent = _parent;
}
get type() { return this._tree.type; }
get name() { return this._tree.type.name; }
get to() { return this.from + this._tree.length; }
nextChild(i, dir, pos, side, mode = 0) {
for (let parent = this;;) {
for (let { children, positions } = parent._tree, e = dir > 0 ? children.length : -1; i != e; i += dir) {
let next = children[i], start = positions[i] + parent.from, mounted;
if (!((mode & IterMode.EnterBracketed) && next instanceof Tree &&
(mounted = MountedTree.get(next)) && !mounted.overlay && mounted.bracketed &&
pos >= start && pos <= start + next.length) &&
!checkSide(side, pos, start, start + next.length))
continue;
if (next instanceof TreeBuffer) {
if (mode & IterMode.ExcludeBuffers)
continue;
let index = next.findChild(0, next.buffer.length, dir, pos - start, side);
if (index > -1)
return new BufferNode(new BufferContext(parent, next, i, start), null, index);
}
else if ((mode & IterMode.IncludeAnonymous) || (!next.type.isAnonymous || hasChild(next))) {
let mounted;
if (!(mode & IterMode.IgnoreMounts) && (mounted = MountedTree.get(next)) && !mounted.overlay)
return new TreeNode(mounted.tree, start, i, parent);
let inner = new TreeNode(next, start, i, parent);
return (mode & IterMode.IncludeAnonymous) || !inner.type.isAnonymous ? inner
: inner.nextChild(dir < 0 ? next.children.length - 1 : 0, dir, pos, side, mode);
}
}
if ((mode & IterMode.IncludeAnonymous) || !parent.type.isAnonymous)
return null;
if (parent.index >= 0)
i = parent.index + dir;
else
i = dir < 0 ? -1 : parent._parent._tree.children.length;
parent = parent._parent;
if (!parent)
return null;
}
}
get firstChild() { return this.nextChild(0, 1, 0, 4 ); }
get lastChild() { return this.nextChild(this._tree.children.length - 1, -1, 0, 4 ); }
childAfter(pos) { return this.nextChild(0, 1, pos, 2 ); }
childBefore(pos) { return this.nextChild(this._tree.children.length - 1, -1, pos, -2 ); }
prop(prop) { return this._tree.prop(prop); }
enter(pos, side, mode = 0) {
let mounted;
if (!(mode & IterMode.IgnoreOverlays) && (mounted = MountedTree.get(this._tree)) && mounted.overlay) {
let rPos = pos - this.from, enterBracketed = (mode & IterMode.EnterBracketed) && mounted.bracketed;
for (let { from, to } of mounted.overlay) {
if ((side > 0 || enterBracketed ? from <= rPos : from < rPos) &&
(side < 0 || enterBracketed ? to >= rPos : to > rPos))
return new TreeNode(mounted.tree, mounted.overlay[0].from + this.from, -1, this);
}
}
return this.nextChild(0, 1, pos, side, mode);
}
nextSignificantParent() {
let val = this;
while (val.type.isAnonymous && val._parent)
val = val._parent;
return val;
}
get parent() {
return this._parent ? this._parent.nextSignificantParent() : null;
}
get nextSibling() {
return this._parent && this.index >= 0 ? this._parent.nextChild(this.index + 1, 1, 0, 4 ) : null;
}
get prevSibling() {
return this._parent && this.index >= 0 ? this._parent.nextChild(this.index - 1, -1, 0, 4 ) : null;
}
get tree() { return this._tree; }
toTree() { return this._tree; }
toString() { return this._tree.toString(); }
}
function getChildren(node, type, before, after) {
let cur = node.cursor(), result = [];
if (!cur.firstChild())
return result;
if (before != null)
for (let found = false; !found;) {
found = cur.type.is(before);
if (!cur.nextSibling())
return result;
}
for (;;) {
if (after != null && cur.type.is(after))
return result;
if (cur.type.is(type))
result.push(cur.node);
if (!cur.nextSibling())
return after == null ? result : [];
}
}
function matchNodeContext(node, context, i = context.length - 1) {
for (let p = node; i >= 0; p = p.parent) {
if (!p)
return false;
if (!p.type.isAnonymous) {
if (context[i] && context[i] != p.name)
return false;
i--;
}
}
return true;
}
class BufferContext {
constructor(parent, buffer, index, start) {
this.parent = parent;
this.buffer = buffer;
this.index = index;
this.start = start;
}
}
class BufferNode extends BaseNode {
get name() { return this.type.name; }
get from() { return this.context.start + this.context.buffer.buffer[this.index + 1]; }
get to() { return this.context.start + this.context.buffer.buffer[this.index + 2]; }
constructor(context, _parent, index) {
super();
this.context = context;
this._parent = _parent;
this.index = index;
this.type = context.buffer.set.types[context.buffer.buffer[index]];
}
child(dir, pos, side) {
let { buffer } = this.context;
let index = buffer.findChild(this.index + 4, buffer.buffer[this.index + 3], dir, pos - this.context.start, side);
return index < 0 ? null : new BufferNode(this.context, this, index);
}
get firstChild() { return this.child(1, 0, 4 ); }
get lastChild() { return this.child(-1, 0, 4 ); }
childAfter(pos) { return this.child(1, pos, 2 ); }
childBefore(pos) { return this.child(-1, pos, -2 ); }
prop(prop) { return this.type.prop(prop); }
enter(pos, side, mode = 0) {
if (mode & IterMode.ExcludeBuffers)
return null;
let { buffer } = this.context;
let index = buffer.findChild(this.index + 4, buffer.buffer[this.index + 3], side > 0 ? 1 : -1, pos - this.context.start, side);
return index < 0 ? null : new BufferNode(this.context, this, index);
}
get parent() {
return this._parent || this.context.parent.nextSignificantParent();
}
externalSibling(dir) {
return this._parent ? null : this.context.parent.nextChild(this.context.index + dir, dir, 0, 4 );
}
get nextSibling() {
let { buffer } = this.context;
let after = buffer.buffer[this.index + 3];
if (after < (this._parent ? buffer.buffer[this._parent.index + 3] : buffer.buffer.length))
return new BufferNode(this.context, this._parent, after);
return this.externalSibling(1);
}
get prevSibling() {
let { buffer } = this.context;
let parentStart = this._parent ? this._parent.index + 4 : 0;
if (this.index == parentStart)
return this.externalSibling(-1);
return new BufferNode(this.context, this._parent, buffer.findChild(parentStart, this.index, -1, 0, 4 ));
}
get tree() { return null; }
toTree() {
let children = [], positions = [];
let { buffer } = this.context;
let startI = this.index + 4, endI = buffer.buffer[this.index + 3];
if (endI > startI) {
let from = buffer.buffer[this.index + 1];
children.push(buffer.slice(startI, endI, from));
positions.push(0);
}
return new Tree(this.type, children, positions, this.to - this.from);
}
toString() { return this.context.buffer.childString(this.index); }
}
function iterStack(heads) {
if (!heads.length)
return null;
let pick = 0, picked = heads[0];
for (let i = 1; i < heads.length; i++) {
let node = heads[i];
if (node.from > picked.from || node.to < picked.to) {
picked = node;
pick = i;
}
}
let next = picked instanceof TreeNode && picked.index < 0 ? null : picked.parent;
let newHeads = heads.slice();
if (next)
newHeads[pick] = next;
else
newHeads.splice(pick, 1);
return new StackIterator(newHeads, picked);
}
class StackIterator {
constructor(heads, node) {
this.heads = heads;
this.node = node;
}
get next() { return iterStack(this.heads); }
}
function stackIterator(tree, pos, side) {
let inner = tree.resolveInner(pos, side), layers = null;
for (let scan = inner instanceof TreeNode ? inner : inner.context.parent; scan; scan = scan.parent) {
if (scan.index < 0) {
let parent = scan.parent;
(layers || (layers = [inner])).push(parent.resolve(pos, side));
scan = parent;
}
else {
let mount = MountedTree.get(scan.tree);
if (mount && mount.overlay && mount.overlay[0].from <= pos && mount.overlay[mount.overlay.length - 1].to >= pos) {
let root = new TreeNode(mount.tree, mount.overlay[0].from + scan.from, -1, scan);
(layers || (layers = [inner])).push(resolveNode(root, pos, side, false));
}
}
}
return layers ? iterStack(layers) : inner;
}
class TreeCursor {
get name() { return this.type.name; }
constructor(node, mode = 0) {
this.buffer = null;
this.stack = [];
this.index = 0;
this.bufferNode = null;
this.mode = mode & ~IterMode.EnterBracketed;
if (node instanceof TreeNode) {
this.yieldNode(node);
}
else {
this._tree = node.context.parent;
this.buffer = node.context;
for (let n = node._parent; n; n = n._parent)
this.stack.unshift(n.index);
this.bufferNode = node;
this.yieldBuf(node.index);
}
}
yieldNode(node) {
if (!node)
return false;
this._tree = node;
this.type = node.type;
this.from = node.from;
this.to = node.to;
return true;
}
yieldBuf(index, type) {
this.index = index;
let { start, buffer } = this.buffer;
this.type = type || buffer.set.types[buffer.buffer[index]];
this.from = start + buffer.buffer[index + 1];
this.to = start + buffer.buffer[index + 2];
return true;
}
yield(node) {
if (!node)
return false;
if (node instanceof TreeNode) {
this.buffer = null;
return this.yieldNode(node);
}
this.buffer = node.context;
return this.yieldBuf(node.index, node.type);
}
toString() {
return this.buffer ? this.buffer.buffer.childString(this.index) : this._tree.toString();
}
enterChild(dir, pos, side) {
if (!this.buffer)
return this.yield(this._tree.nextChild(dir < 0 ? this._tree._tree.children.length - 1 : 0, dir, pos, side, this.mode));
let { buffer } = this.buffer;
let index = buffer.findChild(this.index + 4, buffer.buffer[this.index + 3], dir, pos - this.buffer.start, side);
if (index < 0)
return false;
this.stack.push(this.index);
return this.yieldBuf(index);
}
firstChild() { return this.enterChild(1, 0, 4 ); }
lastChild() { return this.enterChild(-1, 0, 4 ); }
childAfter(pos) { return this.enterChild(1, pos, 2 ); }
childBefore(pos) { return this.enterChild(-1, pos, -2 ); }
enter(pos, side, mode = this.mode) {
if (!this.buffer)
return this.yield(this._tree.enter(pos, side, mode));
return mode & IterMode.ExcludeBuffers ? false : this.enterChild(1, pos, side);
}
parent() {
if (!this.buffer)
return this.yieldNode((this.mode & IterMode.IncludeAnonymous) ? this._tree._parent : this._tree.parent);
if (this.stack.length)
return this.yieldBuf(this.stack.pop());
let parent = (this.mode & IterMode.IncludeAnonymous) ? this.buffer.parent : this.buffer.parent.nextSignificantParent();
this.buffer = null;
return this.yieldNode(parent);
}
sibling(dir) {
if (!this.buffer)
return !this._tree._parent ? false
: this.yield(this._tree.index < 0 ? null
: this._tree._parent.nextChild(this._tree.index + dir, dir, 0, 4 , this.mode));
let { buffer } = this.buffer, d = this.stack.length - 1;
if (dir < 0) {
let parentStart = d < 0 ? 0 : this.stack[d] + 4;
if (this.index != parentStart)
return this.yieldBuf(buffer.findChild(parentStart, this.index, -1, 0, 4 ));
}
else {
let after = buffer.buffer[this.index + 3];
if (after < (d < 0 ? buffer.buffer.length : buffer.buffer[this.stack[d] + 3]))
return this.yieldBuf(after);
}
return d < 0 ? this.yield(this.buffer.parent.nextChild(this.buffer.index + dir, dir, 0, 4 , this.mode)) : false;
}
nextSibling() { return this.sibling(1); }
prevSibling() { return this.sibling(-1); }
atLastNode(dir) {
let index, parent, { buffer } = this;
if (buffer) {
if (dir > 0) {
if (this.index < buffer.buffer.buffer.length)
return false;
}
else {
for (let i = 0; i < this.index; i++)
if (buffer.buffer.buffer[i + 3] < this.index)
return false;
}
({ index, parent } = buffer);
}
else {
({ index, _parent: parent } = this._tree);
}
for (; parent; { index, _parent: parent } = parent) {
if (index > -1)
for (let i = index + dir, e = dir < 0 ? -1 : parent._tree.children.length; i != e; i += dir) {
let child = parent._tree.children[i];
if ((this.mode & IterMode.IncludeAnonymous) ||
child instanceof TreeBuffer ||
!child.type.isAnonymous ||
hasChild(child))
return false;
}
}
return true;
}
move(dir, enter) {
if (enter && this.enterChild(dir, 0, 4 ))
return true;
for (;;) {
if (this.sibling(dir))
return true;
if (this.atLastNode(dir) || !this.parent())
return false;
}
}
next(enter = true) { return this.move(1, enter); }
prev(enter = true) { return this.move(-1, enter); }
moveTo(pos, side = 0) {
while (this.from == this.to ||
(side < 1 ? this.from >= pos : this.from > pos) ||
(side > -1 ? this.to <= pos : this.to < pos))
if (!this.parent())
break;
while (this.enterChild(1, pos, side)) { }
return this;
}
get node() {
if (!this.buffer)
return this._tree;
let cache = this.bufferNode, result = null, depth = 0;
if (cache && cache.context == this.buffer) {
scan: for (let index = this.index, d = this.stack.length; d >= 0;) {
for (let c = cache; c; c = c._parent)
if (c.index == index) {
if (index == this.index)
return c;
result = c;
depth = d + 1;
break scan;
}
index = this.stack[--d];
}
}
for (let i = depth; i < this.stack.length; i++)
result = new BufferNode(this.buffer, result, this.stack[i]);
return this.bufferNode = new BufferNode(this.buffer, result, this.index);
}
get tree() {
return this.buffer ? null : this._tree._tree;
}
iterate(enter, leave) {
for (let depth = 0;;) {
let mustLeave = false;
if (this.type.isAnonymous || enter(this) !== false) {
if (this.firstChild()) {
depth++;
continue;
}
if (!this.type.isAnonymous)
mustLeave = true;
}
for (;;) {
if (mustLeave && leave)
leave(this);
mustLeave = this.type.isAnonymous;
if (!depth)
return;
if (this.nextSibling())
break;
this.parent();
depth--;
mustLeave = true;
}
}
}
matchContext(context) {
if (!this.buffer)
return matchNodeContext(this.node.parent, context);
let { buffer } = this.buffer, { types } = buffer.set;
for (let i = context.length - 1, d = this.stack.length - 1; i >= 0; d--) {
if (d < 0)
return matchNodeContext(this._tree, context, i);
let type = types[buffer.buffer[this.stack[d]]];
if (!type.isAnonymous) {
if (context[i] && context[i] != type.name)
return false;
i--;
}
}
return true;
}
}
function hasChild(tree) {
return tree.children.some(ch => ch instanceof TreeBuffer || !ch.type.isAnonymous || hasChild(ch));
}
function buildTree(data) {
var _a;
let { buffer, nodeSet, maxBufferLength = DefaultBufferLength, reused = [], minRepeatType = nodeSet.types.length } = data;
let cursor = Array.isArray(buffer) ? new FlatBufferCursor(buffer, buffer.length) : buffer;
let types = nodeSet.types;
let contextHash = 0, lookAhead = 0;
function takeNode(parentStart, minPos, children, positions, inRepeat, depth) {
let { id, start, end, size } = cursor;
let lookAheadAtStart = lookAhead, contextAtStart = contextHash;
if (size < 0) {
cursor.next();
if (size == -1 ) {
let node = reused[id];
children.push(node);
positions.push(start - parentStart);
return;
}
else if (size == -3 ) {
contextHash = id;
return;
}
else if (size == -4 ) {
lookAhead = id;
return;
}
else {
throw new RangeError(`Unrecognized record size: ${size}`);
}
}
let type = types[id], node, buffer;
let startPos = start - parentStart;
if (end - start <= maxBufferLength && (buffer = findBufferSize(cursor.pos - minPos, inRepeat))) {
let data = new Uint16Array(buffer.size - buffer.skip);
let endPos = cursor.pos - buffer.size, index = data.length;
while (cursor.pos > endPos)
index = copyToBuffer(buffer.start, data, index);
node = new TreeBuffer(data, end - buffer.start, nodeSet);
startPos = buffer.start - parentStart;
}
else {
let endPos = cursor.pos - size;
cursor.next();
let localChildren = [], localPositions = [];
let localInRepeat = id >= minRepeatType ? id : -1;
let lastGroup = 0, lastEnd = end;
while (cursor.pos > endPos) {
if (localInRepeat >= 0 && cursor.id == localInRepeat && cursor.size >= 0) {
if (cursor.end <= lastEnd - maxBufferLength) {
makeRepeatLeaf(localChildren, localPositions, start, lastGroup, cursor.end, lastEnd, localInRepeat, lookAheadAtStart, contextAtStart);
lastGroup = localChildren.length;
lastEnd = cursor.end;
}
cursor.next();
}
else if (depth > 2500 ) {
takeFlatNode(start, endPos, localChildren, localPositions);
}
else {
takeNode(start, endPos, localChildren, localPositions, localInRepeat, depth + 1);
}
}
if (localInRepeat >= 0 && lastGroup > 0 && lastGroup < localChildren.length)
makeRepeatLeaf(localChildren, localPositions, start, lastGroup, start, lastEnd, localInRepeat, lookAheadAtStart, contextAtStart);
localChildren.reverse();
localPositions.reverse();
if (localInRepeat > -1 && lastGroup > 0) {
let make = makeBalanced(type, contextAtStart);
node = balanceRange(type, localChildren, localPositions, 0, localChildren.length, 0, end - start, make, make);
}
else {
node = makeTree(type, localChildren, localPositions, end - start, lookAheadAtStart - end, contextAtStart);
}
}
children.push(node);
positions.push(startPos);
}
function takeFlatNode(parentStart, minPos, children, positions) {
let nodes = [];
let nodeCount = 0, stopAt = -1;
while (cursor.pos > minPos) {
let { id, start, end, size } = cursor;
if (size > 4) {
cursor.next();
}
else if (stopAt > -1 && start < stopAt) {
break;
}
else {
if (stopAt < 0)
stopAt = end - maxBufferLength;
nodes.push(id, start, end);
nodeCount++;
cursor.next();
}
}
if (nodeCount) {
let buffer = new Uint16Array(nodeCount * 4);
let start = nodes[nodes.length - 2];
for (let i = nodes.length - 3, j = 0; i >= 0; i -= 3) {
buffer[j++] = nodes[i];
buffer[j++] = nodes[i + 1] - start;
buffer[j++] = nodes[i + 2] - start;
buffer[j++] = j;
}
children.push(new TreeBuffer(buffer, nodes[2] - start, nodeSet));
positions.push(start - parentStart);
}
}
function makeBalanced(type, contextHash) {
return (children, positions, length) => {
let lookAhead = 0, lastI = children.length - 1, last, lookAheadProp;
if (lastI >= 0 && (last = children[lastI]) instanceof Tree) {
if (!lastI && last.type == type && last.length == length)
return last;
if (lookAheadProp = last.prop(NodeProp.lookAhead))
lookAhead = positions[lastI] + last.length + lookAheadProp;
}
return makeTree(type, children, positions, length, lookAhead, contextHash);
};
}
function makeRepeatLeaf(children, positions, base, i, from, to, type, lookAhead, contextHash) {
let localChildren = [], localPositions = [];
while (children.length > i) {
localChildren.push(children.pop());
localPositions.push(positions.pop() + base - from);
}
children.push(makeTree(nodeSet.types[type], localChildren, localPositions, to - from, lookAhead - to, contextHash));
positions.push(from - base);
}
function makeTree(type, children, positions, length, lookAhead, contextHash, props) {
if (contextHash) {
let pair = [NodeProp.contextHash, contextHash];
props = props ? [pair].concat(props) : [pair];
}
if (lookAhead > 25) {
let pair = [NodeProp.lookAhead, lookAhead];
props = props ? [pair].concat(props) : [pair];
}
return new Tree(type, children, positions, length, props);
}
function findBufferSize(maxSize, inRepeat) {
let fork = cursor.fork();
let size = 0, start = 0, skip = 0, minStart = fork.end - maxBufferLength;
let result = { size: 0, start: 0, skip: 0 };
scan: for (let minPos = fork.pos - maxSize; fork.pos > minPos;) {
let nodeSize = fork.size;
if (fork.id == inRepeat && nodeSize >= 0) {
result.size = size;
result.start = start;
result.skip = skip;
skip += 4;
size += 4;
fork.next();
continue;
}
let startPos = fork.pos - nodeSize;
if (nodeSize < 0 || startPos < minPos || fork.start < minStart)
break;
let localSkipped = fork.id >= minRepeatType ? 4 : 0;
let nodeStart = fork.start;
fork.next();
while (fork.pos > startPos) {
if (fork.size < 0) {
if (fork.size == -3 || fork.size == -4 )
localSkipped += 4;
else
break scan;
}
else if (fork.id >= minRepeatType) {
localSkipped += 4;
}
fork.next();
}
start = nodeStart;
size += nodeSize;
skip += localSkipped;
}
if (inRepeat < 0 || size == maxSize) {
result.size = size;
result.start = start;
result.skip = skip;
}
return result.size > 4 ? result : undefined;
}
function copyToBuffer(bufferStart, buffer, index) {
let { id, start, end, size } = cursor;
cursor.next();
if (size >= 0 && id < minRepeatType) {
let startIndex = index;
if (size > 4) {
let endPos = cursor.pos - (size - 4);
while (cursor.pos > endPos)
index = copyToBuffer(bufferStart, buffer, index);
}
buffer[--index] = startIndex;
buffer[--index] = end - bufferStart;
buffer[--index] = start - bufferStart;
buffer[--index] = id;
}
else if (size == -3 ) {
contextHash = id;
}
else if (size == -4 ) {
lookAhead = id;
}
return index;
}
let children = [], positions = [];
while (cursor.pos > 0)
takeNode(data.start || 0, data.bufferStart || 0, children, positions, -1, 0);
let length = (_a = data.length) !== null && _a !== void 0 ? _a : (children.length ? positions[0] + children[0].length : 0);
return new Tree(types[data.topID], children.reverse(), positions.reverse(), length);
}
const nodeSizeCache = new WeakMap;
function nodeSize(balanceType, node) {
if (!balanceType.isAnonymous || node instanceof TreeBuffer || node.type != balanceType)
return 1;
let size = nodeSizeCache.get(node);
if (size == null) {
size = 1;
for (let child of node.children) {
if (child.type != balanceType || !(child instanceof Tree)) {
size = 1;
break;
}
size += nodeSize(balanceType, child);
}
nodeSizeCache.set(node, size);
}
return size;
}
function balanceRange(
balanceType,
children, positions,
from, to,
start,
length,
mkTop,
mkTree) {
let total = 0;
for (let i = from; i < to; i++)
total += nodeSize(balanceType, children[i]);
let maxChild = Math.ceil((total * 1.5) / 8 );
let localChildren = [], localPositions = [];
function divide(children, positions, from, to, offset) {
for (let i = from; i < to;) {
let groupFrom = i, groupStart = positions[i], groupSize = nodeSize(balanceType, children[i]);
i++;
for (; i < to; i++) {
let nextSize = nodeSize(balanceType, children[i]);
if (groupSize + nextSize >= maxChild)
break;
groupSize += nextSize;
}
if (i == groupFrom + 1) {
if (groupSize > maxChild) {
let only = children[groupFrom];
divide(only.children, only.positions, 0, only.children.length, positions[groupFrom] + offset);
continue;
}
localChildren.push(children[groupFrom]);
}
else {
let length = positions[i - 1] + children[i - 1].length - groupStart;
localChildren.push(balanceRange(balanceType, children, positions, groupFrom, i, groupStart, length, null, mkTree));
}
localPositions.push(groupStart + offset - start);
}
}
divide(children, positions, from, to, 0);
return (mkTop || mkTree)(localChildren, localPositions, length);
}
class NodeWeakMap {
constructor() {
this.map = new WeakMap();
}
setBuffer(buffer, index, value) {
let inner = this.map.get(buffer);
if (!inner)
this.map.set(buffer, inner = new Map);
inner.set(index, value);
}
getBuffer(buffer, index) {
let inner = this.map.get(buffer);
return inner && inner.get(index);
}
set(node, value) {
if (node instanceof BufferNode)
this.setBuffer(node.context.buffer, node.index, value);
else if (node instanceof TreeNode)
this.map.set(node.tree, value);
}
get(node) {
return node instanceof BufferNode ? this.getBuffer(node.context.buffer, node.index)
: node instanceof TreeNode ? this.map.get(node.tree) : undefined;
}
cursorSet(cursor, value) {
if (cursor.buffer)
this.setBuffer(cursor.buffer.buffer, cursor.index, value);
else
this.map.set(cursor.tree, value);
}
cursorGet(cursor) {
return cursor.buffer ? this.getBuffer(cursor.buffer.buffer, cursor.index) : this.map.get(cursor.tree);
}
}
class TreeFragment {
constructor(
from,
to,
tree,
offset, openStart = false, openEnd = false) {
this.from = from;
this.to = to;
this.tree = tree;
this.offset = offset;
this.open = (openStart ? 1 : 0) | (openEnd ? 2 : 0);
}
get openStart() { return (this.open & 1 ) > 0; }
get openEnd() { return (this.open & 2 ) > 0; }
static addTree(tree, fragments = [], partial = false) {
let result = [new TreeFragment(0, tree.length, tree, 0, false, partial)];
for (let f of fragments)
if (f.to > tree.length)
result.push(f);
return result;
}
static applyChanges(fragments, changes, minGap = 128) {
if (!changes.length)
return fragments;
let result = [];
let fI = 1, nextF = fragments.length ? fragments[0] : null;
for (let cI = 0, pos = 0, off = 0;; cI++) {
let nextC = cI < changes.length ? changes[cI] : null;
let nextPos = nextC ? nextC.fromA : 1e9;
if (nextPos - pos >= minGap)
while (nextF && nextF.from < nextPos) {
let cut = nextF;
if (pos >= cut.from || nextPos <= cut.to || off) {
let fFrom = Math.max(cut.from, pos) - off, fTo = Math.min(cut.to, nextPos) - off;
cut = fFrom >= fTo ? null : new TreeFragment(fFrom, fTo, cut.tree, cut.offset + off, cI > 0, !!nextC);
}
if (cut)
result.push(cut);
if (nextF.to > nextPos)
break;
nextF = fI < fragments.length ? fragments[fI++] : null;
}
if (!nextC)
break;
pos = nextC.toA;
off = nextC.toA - nextC.toB;
}
return result;
}
}
class Parser {
startParse(input, fragments, ranges) {
if (typeof input == "string")
input = new StringInput(input);
ranges = !ranges ? [new Range(0, input.length)] : ranges.length ? ranges.map(r => new Range(r.from, r.to)) : [new Range(0, 0)];
return this.createParse(input, fragments || [], ranges);
}
parse(input, fragments, ranges) {
let parse = this.startParse(input, fragments, ranges);
for (;;) {
let done = parse.advance();
if (done)
return done;
}
}
}
class StringInput {
constructor(string) {
this.string = string;
}
get length() { return this.string.length; }
chunk(from) { return this.string.slice(from); }
get lineChunks() { return false; }
read(from, to) { return this.string.slice(from, to); }
}
new NodeProp({ perNode: true });
class Stack {
constructor(
p,
stack,
state,
reducePos,
pos,
score,
buffer,
bufferBase,
curContext,
lookAhead = 0,
parent) {
this.p = p;
this.stack = stack;
this.state = state;
this.reducePos = reducePos;
this.pos = pos;
this.score = score;
this.buffer = buffer;
this.bufferBase = bufferBase;
this.curContext = curContext;
this.lookAhead = lookAhead;
this.parent = parent;
}
toString() {
return `[${this.stack.filter((_, i) => i % 3 == 0).concat(this.state)}]@${this.pos}${this.score ? "!" + this.score : ""}`;
}
static start(p, state, pos = 0) {
let cx = p.parser.context;
return new Stack(p, [], state, pos, pos, 0, [], 0, cx ? new StackContext(cx, cx.start) : null, 0, null);
}
get context() { return this.curContext ? this.curContext.context : null; }
pushState(state, start) {
this.stack.push(this.state, start, this.bufferBase + this.buffer.length);
this.state = state;
}
reduce(action) {
var _a;
let depth = action >> 19 , type = action & 65535 ;
let { parser } = this.p;
let lookaheadRecord = this.reducePos < this.pos - 25 && this.setLookAhead(this.pos);
let dPrec = parser.dynamicPrecedence(type);
if (dPrec)
this.score += dPrec;
if (depth == 0) {
this.pushState(parser.getGoto(this.state, type, true), this.reducePos);
if (type < parser.minRepeatTerm)
this.storeNode(type, this.reducePos, this.reducePos, lookaheadRecord ? 8 : 4, true);
this.reduceContext(type, this.reducePos);
return;
}
let base = this.stack.length - ((depth - 1) * 3) - (action & 262144 ? 6 : 0);
let start = base ? this.stack[base - 2] : this.p.ranges[0].from, size = this.reducePos - start;
if (size >= 2000 && !((_a = this.p.parser.nodeSet.types[type]) === null || _a === void 0 ? void 0 : _a.isAnonymous)) {
if (start == this.p.lastBigReductionStart) {
this.p.bigReductionCount++;
this.p.lastBigReductionSize = size;
}
else if (this.p.lastBigReductionSize < size) {
this.p.bigReductionCount = 1;
this.p.lastBigReductionStart = start;
this.p.lastBigReductionSize = size;
}
}
let bufferBase = base ? this.stack[base - 1] : 0, count = this.bufferBase + this.buffer.length - bufferBase;
if (type < parser.minRepeatTerm || (action & 131072 )) {
let pos = parser.stateFlag(this.state, 1 ) ? this.pos : this.reducePos;
this.storeNode(type, start, pos, count + 4, true);
}
if (action & 262144 ) {
this.state = this.stack[base];
}
else {
let baseStateID = this.stack[base - 3];
this.state = parser.getGoto(baseStateID, type, true);
}
while (this.stack.length > base)
this.stack.pop();
this.reduceContext(type, start);
}
storeNode(term, start, end, size = 4, mustSink = false) {
if (term == 0 &&
(!this.stack.length || this.stack[this.stack.length - 1] < this.buffer.length + this.bufferBase)) {
let cur = this, top = this.buffer.length;
if (top == 0 && cur.parent) {
top = cur.bufferBase - cur.parent.bufferBase;
cur = cur.parent;
}
if (top > 0 && cur.buffer[top - 4] == 0 && cur.buffer[top - 1] > -1) {
if (start == end)
return;
if (cur.buffer[top - 2] >= start) {
cur.buffer[top - 2] = end;
return;
}
}
}
if (!mustSink || this.pos == end) {
this.buffer.push(term, start, end, size);
}
else {
let index = this.buffer.length;
if (index > 0 && (this.buffer[index - 4] != 0 || this.buffer[index - 1] < 0)) {
let mustMove = false;
for (let scan = index; scan > 0 && this.buffer[scan - 2] > end; scan -= 4) {
if (this.buffer[scan - 1] >= 0) {
mustMove = true;
break;
}
}
if (mustMove)
while (index > 0 && this.buffer[index - 2] > end) {
this.buffer[index] = this.buffer[index - 4];
this.buffer[index + 1] = this.buffer[index - 3];
this.buffer[index + 2] = this.buffer[index - 2];
this.buffer[index + 3] = this.buffer[index - 1];
index -= 4;
if (size > 4)
size -= 4;
}
}
this.buffer[index] = term;
this.buffer[index + 1] = start;
this.buffer[index + 2] = end;
this.buffer[index + 3] = size;
}
}
shift(action, type, start, end) {
if (action & 131072 ) {
this.pushState(action & 65535 , this.pos);
}
else if ((action & 262144 ) == 0) {
let nextState = action, { parser } = this.p;
this.pos = end;
let skipped = parser.stateFlag(nextState, 1 );
if (!skipped && (end > start || type <= parser.maxNode))
this.reducePos = end;
this.pushState(nextState, skipped ? start : Math.min(start, this.reducePos));
this.shiftContext(type, start);
if (type <= parser.maxNode)
this.buffer.push(type, start, end, 4);
}
else {
this.pos = end;
this.shiftContext(type, start);
if (type <= this.p.parser.maxNode)
this.buffer.push(type, start, end, 4);
}
}
apply(action, next, nextStart, nextEnd) {
if (action & 65536 )
this.reduce(action);
else
this.shift(action, next, nextStart, nextEnd);
}
useNode(value, next) {
let index = this.p.reused.length - 1;
if (index < 0 || this.p.reused[index] != value) {
this.p.reused.push(value);
index++;
}
let start = this.pos;
this.reducePos = this.pos = start + value.length;
this.pushState(next, start);
this.buffer.push(index, start, this.reducePos, -1 );
if (this.curContext)
this.updateContext(this.curContext.tracker.reuse(this.curContext.context, value, this, this.p.stream.reset(this.pos - value.length)));
}
split() {
let parent = this;
let off = parent.buffer.length;
while (off > 0 && parent.buffer[off - 2] > parent.reducePos)
off -= 4;
let buffer = parent.buffer.slice(off), base = parent.bufferBase + off;
while (parent && base == parent.bufferBase)
parent = parent.parent;
return new Stack(this.p, this.stack.slice(), this.state, this.reducePos, this.pos, this.score, buffer, base, this.curContext, this.lookAhead, parent);
}
recoverByDelete(next, nextEnd) {
let isNode = next <= this.p.parser.maxNode;
if (isNode)
this.storeNode(next, this.pos, nextEnd, 4);
this.storeNode(0 , this.pos, nextEnd, isNode ? 8 : 4);
this.pos = this.reducePos = nextEnd;
this.score -= 190 ;
}
canShift(term) {
for (let sim = new SimulatedStack(this);;) {
let action = this.p.parser.stateSlot(sim.state, 4 ) || this.p.parser.hasAction(sim.state, term);
if (action == 0)
return false;
if ((action & 65536 ) == 0)
return true;
sim.reduce(action);
}
}
recoverByInsert(next) {
if (this.stack.length >= 300 )
return [];
let nextStates = this.p.parser.nextStates(this.state);
if (nextStates.length > 4 << 1 || this.stack.length >= 120 ) {
let best = [];
for (let i = 0, s; i < nextStates.length; i += 2) {
if ((s = nextStates[i + 1]) != this.state && this.p.parser.hasAction(s, next))
best.push(nextStates[i], s);
}
if (this.stack.length < 120 )
for (let i = 0; best.length < 4 << 1 && i < nextStates.length; i += 2) {
let s = nextStates[i + 1];
if (!best.some((v, i) => (i & 1) && v == s))
best.push(nextStates[i], s);
}
nextStates = best;
}
let result = [];
for (let i = 0; i < nextStates.length && result.length < 4 ; i += 2) {
let s = nextStates[i + 1];
if (s == this.state)
continue;
let stack = this.split();
stack.pushState(s, this.pos);
stack.storeNode(0 , stack.pos, stack.pos, 4, true);
stack.shiftContext(nextStates[i], this.pos);
stack.reducePos = this.pos;
stack.score -= 200 ;
result.push(stack);
}
return result;
}
forceReduce() {
let { parser } = this.p;
let reduce = parser.stateSlot(this.state, 5 );
if ((reduce & 65536 ) == 0)
return false;
if (!parser.validAction(this.state, reduce)) {
let depth = reduce >> 19 , term = reduce & 65535 ;
let target = this.stack.length - depth * 3;
if (target < 0 || parser.getGoto(this.stack[target], term, false) < 0) {
let backup = this.findForcedReduction();
if (backup == null)
return false;
reduce = backup;
}
this.storeNode(0 , this.pos, this.pos, 4, true);
this.score -= 100 ;
}
this.reducePos = this.pos;
this.reduce(reduce);
return true;
}
findForcedReduction() {
let { parser } = this.p, seen = [];
let explore = (state, depth) => {
if (seen.includes(state))
return;
seen.push(state);
return parser.allActions(state, (action) => {
if (action & (262144 | 131072 )) ;
else if (action & 65536 ) {
let rDepth = (action >> 19 ) - depth;
if (rDepth > 1) {
let term = action & 65535 , target = this.stack.length - rDepth * 3;
if (target >= 0 && parser.getGoto(this.stack[target], term, false) >= 0)
return (rDepth << 19 ) | 65536 | term;
}
}
else {
let found = explore(action, depth + 1);
if (found != null)
return found;
}
});
};
return explore(this.state, 0);
}
forceAll() {
while (!this.p.parser.stateFlag(this.state, 2 )) {
if (!this.forceReduce()) {
this.storeNode(0 , this.pos, this.pos, 4, true);
break;
}
}
return this;
}
get deadEnd() {
if (this.stack.length != 3)
return false;
let { parser } = this.p;
return parser.data[parser.stateSlot(this.state, 1 )] == 65535 &&
!parser.stateSlot(this.state, 4 );
}
restart() {
this.storeNode(0 , this.pos, this.pos, 4, true);
this.state = this.stack[0];
this.stack.length = 0;
}
sameState(other) {
if (this.state != other.state || this.stack.length != other.stack.length)
return false;
for (let i = 0; i < this.stack.length; i += 3)
if (this.stack[i] != other.stack[i])
return false;
return true;
}
get parser() { return this.p.parser; }
dialectEnabled(dialectID) { return this.p.parser.dialect.flags[dialectID]; }
shiftContext(term, start) {
if (this.curContext)
this.updateContext(this.curContext.tracker.shift(this.curContext.context, term, this, this.p.stream.reset(start)));
}
reduceContext(term, start) {
if (this.curContext)
this.updateContext(this.curContext.tracker.reduce(this.curContext.context, term, this, this.p.stream.reset(start)));
}
emitContext() {
let last = this.buffer.length - 1;
if (last < 0 || this.buffer[last] != -3)
this.buffer.push(this.curContext.hash, this.pos, this.pos, -3);
}
emitLookAhead() {
let last = this.buffer.length - 1;
if (last < 0 || this.buffer[last] != -4)
this.buffer.push(this.lookAhead, this.pos, this.pos, -4);
}
updateContext(context) {
if (context != this.curContext.context) {
let newCx = new StackContext(this.curContext.tracker, context);
if (newCx.hash != this.curContext.hash)
this.emitContext();
this.curContext = newCx;
}
}
setLookAhead(lookAhead) {
if (lookAhead <= this.lookAhead)
return false;
this.emitLookAhead();
this.lookAhead = lookAhead;
return true;
}
close() {
if (this.curContext && this.curContext.tracker.strict)
this.emitContext();
if (this.lookAhead > 0)
this.emitLookAhead();
}
}
class StackContext {
constructor(tracker, context) {
this.tracker = tracker;
this.context = context;
this.hash = tracker.strict ? tracker.hash(context) : 0;
}
}
class SimulatedStack {
constructor(start) {
this.start = start;
this.state = start.state;
this.stack = start.stack;
this.base = this.stack.length;
}
reduce(action) {
let term = action & 65535 , depth = action >> 19 ;
if (depth == 0) {
if (this.stack == this.start.stack)
this.stack = this.stack.slice();
this.stack.push(this.state, 0, 0);
this.base += 3;
}
else {
this.base -= (depth - 1) * 3;
}
let goto = this.start.p.parser.getGoto(this.stack[this.base - 3], term, true);
this.state = goto;
}
}
class StackBufferCursor {
constructor(stack, pos, index) {
this.stack = stack;
this.pos = pos;
this.index = index;
this.buffer = stack.buffer;
if (this.index == 0)
this.maybeNext();
}
static create(stack, pos = stack.bufferBase + stack.buffer.length) {
return new StackBufferCursor(stack, pos, pos - stack.bufferBase);
}
maybeNext() {
let next = this.stack.parent;
if (next != null) {
this.index = this.stack.bufferBase - next.bufferBase;
this.stack = next;
this.buffer = next.buffer;
}
}
get id() { return this.buffer[this.index - 4]; }
get start() { return this.buffer[this.index - 3]; }
get end() { return this.buffer[this.index - 2]; }
get size() { return this.buffer[this.index - 1]; }
next() {
this.index -= 4;
this.pos -= 4;
if (this.index == 0)
this.maybeNext();
}
fork() {
return new StackBufferCursor(this.stack, this.pos, this.index);
}
}
function decodeArray(input, Type = Uint16Array) {
if (typeof input != "string")
return input;
let array = null;
for (let pos = 0, out = 0; pos < input.length;) {
let value = 0;
for (;;) {
let next = input.charCodeAt(pos++), stop = false;
if (next == 126 ) {
value = 65535 ;
break;
}
if (next >= 92 )
next--;
if (next >= 34 )
next--;
let digit = next - 32 ;
if (digit >= 46 ) {
digit -= 46 ;
stop = true;
}
value += digit;
if (stop)
break;
value *= 46 ;
}
if (array)
array[out++] = value;
else
array = new Type(value);
}
return array;
}
class CachedToken {
constructor() {
this.start = -1;
this.value = -1;
this.end = -1;
this.extended = -1;
this.lookAhead = 0;
this.mask = 0;
this.context = 0;
}
}
const nullToken = new CachedToken;
class InputStream {
constructor(
input,
ranges) {
this.input = input;
this.ranges = ranges;
this.chunk = "";
this.chunkOff = 0;
this.chunk2 = "";
this.chunk2Pos = 0;
this.next = -1;
this.token = nullToken;
this.rangeIndex = 0;
this.pos = this.chunkPos = ranges[0].from;
this.range = ranges[0];
this.end = ranges[ranges.length - 1].to;
this.readNext();
}
resolveOffset(offset, assoc) {
let range = this.range, index = this.rangeIndex;
let pos = this.pos + offset;
while (pos < range.from) {
if (!index)
return null;
let next = this.ranges[--index];
pos -= range.from - next.to;
range = next;
}
while (assoc < 0 ? pos > range.to : pos >= range.to) {
if (index == this.ranges.length - 1)
return null;
let next = this.ranges[++index];
pos += next.from - range.to;
range = next;
}
return pos;
}
clipPos(pos) {
if (pos >= this.range.from && pos < this.range.to)
return pos;
for (let range of this.ranges)
if (range.to > pos)
return Math.max(pos, range.from);
return this.end;
}
peek(offset) {
let idx = this.chunkOff + offset, pos, result;
if (idx >= 0 && idx < this.chunk.length) {
pos = this.pos + offset;
result = this.chunk.charCodeAt(idx);
}
else {
let resolved = this.resolveOffset(offset, 1);
if (resolved == null)
return -1;
pos = resolved;
if (pos >= this.chunk2Pos && pos < this.chunk2Pos + this.chunk2.length) {
result = this.chunk2.charCodeAt(pos - this.chunk2Pos);
}
else {
let i = this.rangeIndex, range = this.range;
while (range.to <= pos)
range = this.ranges[++i];
this.chunk2 = this.input.chunk(this.chunk2Pos = pos);
if (pos + this.chunk2.length > range.to)
this.chunk2 = this.chunk2.slice(0, range.to - pos);
result = this.chunk2.charCodeAt(0);
}
}
if (pos >= this.token.lookAhead)
this.token.lookAhead = pos + 1;
return result;
}
acceptToken(token, endOffset = 0) {
let end = endOffset ? this.resolveOffset(endOffset, -1) : this.pos;
if (end == null || end < this.token.start)
throw new RangeError("Token end out of bounds");
this.token.value = token;
this.token.end = end;
}
acceptTokenTo(token, endPos) {
this.token.value = token;
this.token.end = endPos;
}
getChunk() {
if (this.pos >= this.chunk2Pos && this.pos < this.chunk2Pos + this.chunk2.length) {
let { chunk, chunkPos } = this;
this.chunk = this.chunk2;
this.chunkPos = this.chunk2Pos;
this.chunk2 = chunk;
this.chunk2Pos = chunkPos;
this.chunkOff = this.pos - this.chunkPos;
}
else {
this.chunk2 = this.chunk;
this.chunk2Pos = this.chunkPos;
let nextChunk = this.input.chunk(this.pos);
let end = this.pos + nextChunk.length;
this.chunk = end > this.range.to ? nextChunk.slice(0, this.range.to - this.pos) : nextChunk;
this.chunkPos = this.pos;
this.chunkOff = 0;
}
}
readNext() {
if (this.chunkOff >= this.chunk.length) {
this.getChunk();
if (this.chunkOff == this.chunk.length)
return this.next = -1;
}
return this.next = this.chunk.charCodeAt(this.chunkOff);
}
advance(n = 1) {
this.chunkOff += n;
while (this.pos + n >= this.range.to) {
if (this.rangeIndex == this.ranges.length - 1)
return this.setDone();
n -= this.range.to - this.pos;
this.range = this.ranges[++this.rangeIndex];
this.pos = this.range.from;
}
this.pos += n;
if (this.pos >= this.token.lookAhead)
this.token.lookAhead = this.pos + 1;
return this.readNext();
}
setDone() {
this.pos = this.chunkPos = this.end;
this.range = this.ranges[this.rangeIndex = this.ranges.length - 1];
this.chunk = "";
return this.next = -1;
}
reset(pos, token) {
if (token) {
this.token = token;
token.start = pos;
token.lookAhead = pos + 1;
token.value = token.extended = -1;
}
else {
this.token = nullToken;
}
if (this.pos != pos) {
this.pos = pos;
if (pos == this.end) {
this.setDone();
return this;
}
while (pos < this.range.from)
this.range = this.ranges[--this.rangeIndex];
while (pos >= this.range.to)
this.range = this.ranges[++this.rangeIndex];
if (pos >= this.chunkPos && pos < this.chunkPos + this.chunk.length) {
this.chunkOff = pos - this.chunkPos;
}
else {
this.chunk = "";
this.chunkOff = 0;
}
this.readNext();
}
return this;
}
read(from, to) {
if (from >= this.chunkPos && to <= this.chunkPos + this.chunk.length)
return this.chunk.slice(from - this.chunkPos, to - this.chunkPos);
if (from >= this.chunk2Pos && to <= this.chunk2Pos + this.chunk2.length)
return this.chunk2.slice(from - this.chunk2Pos, to - this.chunk2Pos);
if (from >= this.range.from && to <= this.range.to)
return this.input.read(from, to);
let result = "";
for (let r of this.ranges) {
if (r.from >= to)
break;
if (r.to > from)
result += this.input.read(Math.max(r.from, from), Math.min(r.to, to));
}
return result;
}
}
class TokenGroup {
constructor(data, id) {
this.data = data;
this.id = id;
}
token(input, stack) {
let { parser } = stack.p;
readToken$1(this.data, input, stack, this.id, parser.data, parser.tokenPrecTable);
}
}
TokenGroup.prototype.contextual = TokenGroup.prototype.fallback = TokenGroup.prototype.extend = false;
class LocalTokenGroup {
constructor(data, precTable, elseToken) {
this.precTable = precTable;
this.elseToken = elseToken;
this.data = typeof data == "string" ? decodeArray(data) : data;
}
token(input, stack) {
let start = input.pos, skipped = 0;
for (;;) {
let atEof = input.next < 0, nextPos = input.resolveOffset(1, 1);
readToken$1(this.data, input, stack, 0, this.data, this.precTable);
if (input.token.value > -1)
break;
if (this.elseToken == null)
return;
if (!atEof)
skipped++;
if (nextPos == null)
break;
input.reset(nextPos, input.token);
}
if (skipped) {
input.reset(start, input.token);
input.acceptToken(this.elseToken, skipped);
}
}
}
LocalTokenGroup.prototype.contextual = TokenGroup.prototype.fallback = TokenGroup.prototype.extend = false;
class ExternalTokenizer {
constructor(
token, options = {}) {
this.token = token;
this.contextual = !!options.contextual;
this.fallback = !!options.fallback;
this.extend = !!options.extend;
}
}
function readToken$1(data, input, stack, group, precTable, precOffset) {
let state = 0, groupMask = 1 << group, { dialect } = stack.p.parser;
scan: for (;;) {
if ((groupMask & data[state]) == 0)
break;
let accEnd = data[state + 1];
for (let i = state + 3; i < accEnd; i += 2)
if ((data[i + 1] & groupMask) > 0) {
let term = data[i];
if (dialect.allows(term) &&
(input.token.value == -1 || input.token.value == term ||
overrides(term, input.token.value, precTable, precOffset))) {
input.acceptToken(term);
break;
}
}
let next = input.next, low = 0, high = data[state + 2];
if (input.next < 0 && high > low && data[accEnd + high * 3 - 3] == 65535 ) {
state = data[accEnd + high * 3 - 1];
continue scan;
}
for (; low < high;) {
let mid = (low + high) >> 1;
let index = accEnd + mid + (mid << 1);
let from = data[index], to = data[index + 1] || 0x10000;
if (next < from)
high = mid;
else if (next >= to)
low = mid + 1;
else {
state = data[index + 2];
input.advance();
continue scan;
}
}
break;
}
}
function findOffset(data, start, term) {
for (let i = start, next; (next = data[i]) != 65535 ; i++)
if (next == term)
return i - start;
return -1;
}
function overrides(token, prev, tableData, tableOffset) {
let iPrev = findOffset(tableData, tableOffset, prev);
return iPrev < 0 || findOffset(tableData, tableOffset, token) < iPrev;
}
const verbose = typeof process != "undefined" && process.env && /\bparse\b/.test(process.env.LOG);
let stackIDs = null;
function cutAt(tree, pos, side) {
let cursor = tree.cursor(IterMode.IncludeAnonymous);
cursor.moveTo(pos);
for (;;) {
if (!(side < 0 ? cursor.childBefore(pos) : cursor.childAfter(pos)))
for (;;) {
if ((side < 0 ? cursor.to < pos : cursor.from > pos) && !cursor.type.isError)
return side < 0 ? Math.max(0, Math.min(cursor.to - 1, pos - 25 ))
: Math.min(tree.length, Math.max(cursor.from + 1, pos + 25 ));
if (side < 0 ? cursor.prevSibling() : cursor.nextSibling())
break;
if (!cursor.parent())
return side < 0 ? 0 : tree.length;
}
}
}
class FragmentCursor {
constructor(fragments, nodeSet) {
this.fragments = fragments;
this.nodeSet = nodeSet;
this.i = 0;
this.fragment = null;
this.safeFrom = -1;
this.safeTo = -1;
this.trees = [];
this.start = [];
this.index = [];
this.nextFragment();
}
nextFragment() {
let fr = this.fragment = this.i == this.fragments.length ? null : this.fragments[this.i++];
if (fr) {
this.safeFrom = fr.openStart ? cutAt(fr.tree, fr.from + fr.offset, 1) - fr.offset : fr.from;
this.safeTo = fr.openEnd ? cutAt(fr.tree, fr.to + fr.offset, -1) - fr.offset : fr.to;
while (this.trees.length) {
this.trees.pop();
this.start.pop();
this.index.pop();
}
this.trees.push(fr.tree);
this.start.push(-fr.offset);
this.index.push(0);
this.nextStart = this.safeFrom;
}
else {
this.nextStart = 1e9;
}
}
nodeAt(pos) {
if (pos < this.nextStart)
return null;
while (this.fragment && this.safeTo <= pos)
this.nextFragment();
if (!this.fragment)
return null;
for (;;) {
let last = this.trees.length - 1;
if (last < 0) {
this.nextFragment();
return null;
}
let top = this.trees[last], index = this.index[last];
if (index == top.children.length) {
this.trees.pop();
this.start.pop();
this.index.pop();
continue;
}
let next = top.children[index];
let start = this.start[last] + top.positions[index];
if (start > pos) {
this.nextStart = start;
return null;
}
if (next instanceof Tree) {
if (start == pos) {
if (start < this.safeFrom)
return null;
let end = start + next.length;
if (end <= this.safeTo) {
let lookAhead = next.prop(NodeProp.lookAhead);
if (!lookAhead || end + lookAhead < this.fragment.to)
return next;
}
}
this.index[last]++;
if (start + next.length >= Math.max(this.safeFrom, pos)) {
this.trees.push(next);
this.start.push(start);
this.index.push(0);
}
}
else {
this.index[last]++;
this.nextStart = start + next.length;
}
}
}
}
class TokenCache {
constructor(parser, stream) {
this.stream = stream;
this.tokens = [];
this.mainToken = null;
this.actions = [];
this.tokens = parser.tokenizers.map(_ => new CachedToken);
}
getActions(stack) {
let actionIndex = 0;
let main = null;
let { parser } = stack.p, { tokenizers } = parser;
let mask = parser.stateSlot(stack.state, 3 );
let context = stack.curContext ? stack.curContext.hash : 0;
let lookAhead = 0;
for (let i = 0; i < tokenizers.length; i++) {
if (((1 << i) & mask) == 0)
continue;
let tokenizer = tokenizers[i], token = this.tokens[i];
if (main && !tokenizer.fallback)
continue;
if (tokenizer.contextual || token.start != stack.pos || token.mask != mask || token.context != context) {
this.updateCachedToken(token, tokenizer, stack);
token.mask = mask;
token.context = context;
}
if (token.lookAhead > token.end + 25 )
lookAhead = Math.max(token.lookAhead, lookAhead);
if (token.value != 0 ) {
let startIndex = actionIndex;
if (token.extended > -1)
actionIndex = this.addActions(stack, token.extended, token.end, actionIndex);
actionIndex = this.addActions(stack, token.value, token.end, actionIndex);
if (!tokenizer.extend) {
main = token;
if (actionIndex > startIndex)
break;
}
}
}
while (this.actions.length > actionIndex)
this.actions.pop();
if (lookAhead)
stack.setLookAhead(lookAhead);
if (!main && stack.pos == this.stream.end) {
main = new CachedToken;
main.value = stack.p.parser.eofTerm;
main.start = main.end = stack.pos;
actionIndex = this.addActions(stack, main.value, main.end, actionIndex);
}
this.mainToken = main;
return this.actions;
}
getMainToken(stack) {
if (this.mainToken)
return this.mainToken;
let main = new CachedToken, { pos, p } = stack;
main.start = pos;
main.end = Math.min(pos + 1, p.stream.end);
main.value = pos == p.stream.end ? p.parser.eofTerm : 0 ;
return main;
}
updateCachedToken(token, tokenizer, stack) {
let start = this.stream.clipPos(stack.pos);
tokenizer.token(this.stream.reset(start, token), stack);
if (token.value > -1) {
let { parser } = stack.p;
for (let i = 0; i < parser.specialized.length; i++)
if (parser.specialized[i] == token.value) {
let result = parser.specializers[i](this.stream.read(token.start, token.end), stack);
if (result >= 0 && stack.p.parser.dialect.allows(result >> 1)) {
if ((result & 1) == 0 )
token.value = result >> 1;
else
token.extended = result >> 1;
break;
}
}
}
else {
token.value = 0 ;
token.end = this.stream.clipPos(start + 1);
}
}
putAction(action, token, end, index) {
for (let i = 0; i < index; i += 3)
if (this.actions[i] == action)
return index;
this.actions[index++] = action;
this.actions[index++] = token;
this.actions[index++] = end;
return index;
}
addActions(stack, token, end, index) {
let { state } = stack, { parser } = stack.p, { data } = parser;
for (let set = 0; set < 2; set++) {
for (let i = parser.stateSlot(state, set ? 2 : 1 );; i += 3) {
if (data[i] == 65535 ) {
if (data[i + 1] == 1 ) {
i = pair(data, i + 2);
}
else {
if (index == 0 && data[i + 1] == 2 )
index = this.putAction(pair(data, i + 2), token, end, index);
break;
}
}
if (data[i] == token)
index = this.putAction(pair(data, i + 1), token, end, index);
}
}
return index;
}
}
let Parse$1 = class Parse {
constructor(parser, input, fragments, ranges) {
this.parser = parser;
this.input = input;
this.ranges = ranges;
this.recovering = 0;
this.nextStackID = 0x2654;
this.minStackPos = 0;
this.reused = [];
this.stoppedAt = null;
this.lastBigReductionStart = -1;
this.lastBigReductionSize = 0;
this.bigReductionCount = 0;
this.stream = new InputStream(input, ranges);
this.tokens = new TokenCache(parser, this.stream);
this.topTerm = parser.top[1];
let { from } = ranges[0];
this.stacks = [Stack.start(this, parser.top[0], from)];
this.fragments = fragments.length && this.stream.end - from > parser.bufferLength * 4
? new FragmentCursor(fragments, parser.nodeSet) : null;
}
get parsedPos() {
return this.minStackPos;
}
advance() {
let stacks = this.stacks, pos = this.minStackPos;
let newStacks = this.stacks = [];
let stopped, stoppedTokens;
if (this.bigReductionCount > 300 && stacks.length == 1) {
let [s] = stacks;
while (s.forceReduce() && s.stack.length && s.stack[s.stack.length - 2] >= this.lastBigReductionStart) { }
this.bigReductionCount = this.lastBigReductionSize = 0;
}
for (let i = 0; i < stacks.length; i++) {
let stack = stacks[i];
for (;;) {
this.tokens.mainToken = null;
if (stack.pos > pos) {
newStacks.push(stack);
}
else if (this.advanceStack(stack, newStacks, stacks)) {
continue;
}
else {
if (!stopped) {
stopped = [];
stoppedTokens = [];
}
stopped.push(stack);
let tok = this.tokens.getMainToken(stack);
stoppedTokens.push(tok.value, tok.end);
}
break;
}
}
if (!newStacks.length) {
let finished = stopped && findFinished(stopped);
if (finished) {
if (verbose)
console.log("Finish with " + this.stackID(finished));
return this.stackToTree(finished);
}
if (this.parser.strict) {
if (verbose && stopped)
console.log("Stuck with token " + (this.tokens.mainToken ? this.parser.getName(this.tokens.mainToken.value) : "none"));
throw new SyntaxError("No parse at " + pos);
}
if (!this.recovering)
this.recovering = 5 ;
}
if (this.recovering && stopped) {
let finished = this.stoppedAt != null && stopped[0].pos > this.stoppedAt ? stopped[0]
: this.runRecovery(stopped, stoppedTokens, newStacks);
if (finished) {
if (verbose)
console.log("Force-finish " + this.stackID(finished));
return this.stackToTree(finished.forceAll());
}
}
if (this.recovering) {
let maxRemaining = this.recovering == 1 ? 1 : this.recovering * 3 ;
if (newStacks.length > maxRemaining) {
newStacks.sort((a, b) => b.score - a.score);
while (newStacks.length > maxRemaining)
newStacks.pop();
}
if (newStacks.some(s => s.reducePos > pos))
this.recovering--;
}
else if (newStacks.length > 1) {
outer: for (let i = 0; i < newStacks.length - 1; i++) {
let stack = newStacks[i];
for (let j = i + 1; j < newStacks.length; j++) {
let other = newStacks[j];
if (stack.sameState(other) ||
stack.buffer.length > 500 && other.buffer.length > 500 ) {
if (((stack.score - other.score) || (stack.buffer.length - other.buffer.length)) > 0) {
newStacks.splice(j--, 1);
}
else {
newStacks.splice(i--, 1);
continue outer;
}
}
}
}
if (newStacks.length > 12 ) {
newStacks.sort((a, b) => b.score - a.score);
newStacks.splice(12 , newStacks.length - 12 );
}
}
this.minStackPos = newStacks[0].pos;
for (let i = 1; i < newStacks.length; i++)
if (newStacks[i].pos < this.minStackPos)
this.minStackPos = newStacks[i].pos;
return null;
}
stopAt(pos) {
if (this.stoppedAt != null && this.stoppedAt < pos)
throw new RangeError("Can't move stoppedAt forward");
this.stoppedAt = pos;
}
advanceStack(stack, stacks, split) {
let start = stack.pos, { parser } = this;
let base = verbose ? this.stackID(stack) + " -> " : "";
if (this.stoppedAt != null && start > this.stoppedAt)
return stack.forceReduce() ? stack : null;
if (this.fragments) {
let strictCx = stack.curContext && stack.curContext.tracker.strict, cxHash = strictCx ? stack.curContext.hash : 0;
for (let cached = this.fragments.nodeAt(start); cached;) {
let match = this.parser.nodeSet.types[cached.type.id] == cached.type ? parser.getGoto(stack.state, cached.type.id) : -1;
if (match > -1 && cached.length && (!strictCx || (cached.prop(NodeProp.contextHash) || 0) == cxHash)) {
stack.useNode(cached, match);
if (verbose)
console.log(base + this.stackID(stack) + ` (via reuse of ${parser.getName(cached.type.id)})`);
return true;
}
if (!(cached instanceof Tree) || cached.children.length == 0 || cached.positions[0] > 0)
break;
let inner = cached.children[0];
if (inner instanceof Tree && cached.positions[0] == 0)
cached = inner;
else
break;
}
}
let defaultReduce = parser.stateSlot(stack.state, 4 );
if (defaultReduce > 0) {
stack.reduce(defaultReduce);
if (verbose)
console.log(base + this.stackID(stack) + ` (via always-reduce ${parser.getName(defaultReduce & 65535 )})`);
return true;
}
if (stack.stack.length >= 8400 ) {
while (stack.stack.length > 6000 && stack.forceReduce()) { }
}
let actions = this.tokens.getActions(stack);
for (let i = 0; i < actions.length;) {
let action = actions[i++], term = actions[i++], end = actions[i++];
let last = i == actions.length || !split;
let localStack = last ? stack : stack.split();
let main = this.tokens.mainToken;
localStack.apply(action, term, main ? main.start : localStack.pos, end);
if (verbose)
console.log(base + this.stackID(localStack) + ` (via ${(action & 65536 ) == 0 ? "shift"
: `reduce of ${parser.getName(action & 65535 )}`} for ${parser.getName(term)} @ ${start}${localStack == stack ? "" : ", split"})`);
if (last)
return true;
else if (localStack.pos > start)
stacks.push(localStack);
else
split.push(localStack);
}
return false;
}
advanceFully(stack, newStacks) {
let pos = stack.pos;
for (;;) {
if (!this.advanceStack(stack, null, null))
return false;
if (stack.pos > pos) {
pushStackDedup(stack, newStacks);
return true;
}
}
}
runRecovery(stacks, tokens, newStacks) {
let finished = null, restarted = false;
for (let i = 0; i < stacks.length; i++) {
let stack = stacks[i], token = tokens[i << 1], tokenEnd = tokens[(i << 1) + 1];
let base = verbose ? this.stackID(stack) + " -> " : "";
if (stack.deadEnd) {
if (restarted)
continue;
restarted = true;
stack.restart();
if (verbose)
console.log(base + this.stackID(stack) + " (restarted)");
let done = this.advanceFully(stack, newStacks);
if (done)
continue;
}
let force = stack.split(), forceBase = base;
for (let j = 0; j < 10 && force.forceReduce(); j++) {
if (verbose)
console.log(forceBase + this.stackID(force) + " (via force-reduce)");
let done = this.advanceFully(force, newStacks);
if (done)
break;
if (verbose)
forceBase = this.stackID(force) + " -> ";
}
for (let insert of stack.recoverByInsert(token)) {
if (verbose)
console.log(base + this.stackID(insert) + " (via recover-insert)");
this.advanceFully(insert, newStacks);
}
if (this.stream.end > stack.pos) {
if (tokenEnd == stack.pos) {
tokenEnd++;
token = 0 ;
}
stack.recoverByDelete(token, tokenEnd);
if (verbose)
console.log(base + this.stackID(stack) + ` (via recover-delete ${this.parser.getName(token)})`);
pushStackDedup(stack, newStacks);
}
else if (!finished || finished.score < force.score) {
finished = force;
}
}
return finished;
}
stackToTree(stack) {
stack.close();
return Tree.build({ buffer: StackBufferCursor.create(stack),
nodeSet: this.parser.nodeSet,
topID: this.topTerm,
maxBufferLength: this.parser.bufferLength,
reused: this.reused,
start: this.ranges[0].from,
length: stack.pos - this.ranges[0].from,
minRepeatType: this.parser.minRepeatTerm });
}
stackID(stack) {
let id = (stackIDs || (stackIDs = new WeakMap)).get(stack);
if (!id)
stackIDs.set(stack, id = String.fromCodePoint(this.nextStackID++));
return id + stack;
}
};
function pushStackDedup(stack, newStacks) {
for (let i = 0; i < newStacks.length; i++) {
let other = newStacks[i];
if (other.pos == stack.pos && other.sameState(stack)) {
if (newStacks[i].score < stack.score)
newStacks[i] = stack;
return;
}
}
newStacks.push(stack);
}
class Dialect {
constructor(source, flags, disabled) {
this.source = source;
this.flags = flags;
this.disabled = disabled;
}
allows(term) { return !this.disabled || this.disabled[term] == 0; }
}
const id = x => x;
class ContextTracker {
constructor(spec) {
this.start = spec.start;
this.shift = spec.shift || id;
this.reduce = spec.reduce || id;
this.reuse = spec.reuse || id;
this.hash = spec.hash || (() => 0);
this.strict = spec.strict !== false;
}
}
class LRParser extends Parser {
constructor(spec) {
super();
this.wrappers = [];
if (spec.version != 14 )
throw new RangeError(`Parser version (${spec.version}) doesn't match runtime version (${14 })`);
let nodeNames = spec.nodeNames.split(" ");
this.minRepeatTerm = nodeNames.length;
for (let i = 0; i < spec.repeatNodeCount; i++)
nodeNames.push("");
let topTerms = Object.keys(spec.topRules).map(r => spec.topRules[r][1]);
let nodeProps = [];
for (let i = 0; i < nodeNames.length; i++)
nodeProps.push([]);
function setProp(nodeID, prop, value) {
nodeProps[nodeID].push([prop, prop.deserialize(String(value))]);
}
if (spec.nodeProps)
for (let propSpec of spec.nodeProps) {
let prop = propSpec[0];
if (typeof prop == "string")
prop = NodeProp[prop];
for (let i = 1; i < propSpec.length;) {
let next = propSpec[i++];
if (next >= 0) {
setProp(next, prop, propSpec[i++]);
}
else {
let value = propSpec[i + -next];
for (let j = -next; j > 0; j--)
setProp(propSpec[i++], prop, value);
i++;
}
}
}
this.nodeSet = new NodeSet(nodeNames.map((name, i) => NodeType.define({
name: i >= this.minRepeatTerm ? undefined : name,
id: i,
props: nodeProps[i],
top: topTerms.indexOf(i) > -1,
error: i == 0,
skipped: spec.skippedNodes && spec.skippedNodes.indexOf(i) > -1
})));
if (spec.propSources)
this.nodeSet = this.nodeSet.extend(...spec.propSources);
this.strict = false;
this.bufferLength = DefaultBufferLength;
let tokenArray = decodeArray(spec.tokenData);
this.context = spec.context;
this.specializerSpecs = spec.specialized || [];
this.specialized = new Uint16Array(this.specializerSpecs.length);
for (let i = 0; i < this.specializerSpecs.length; i++)
this.specialized[i] = this.specializerSpecs[i].term;
this.specializers = this.specializerSpecs.map(getSpecializer);
this.states = decodeArray(spec.states, Uint32Array);
this.data = decodeArray(spec.stateData);
this.goto = decodeArray(spec.goto);
this.maxTerm = spec.maxTerm;
this.tokenizers = spec.tokenizers.map(value => typeof value == "number" ? new TokenGroup(tokenArray, value) : value);
this.topRules = spec.topRules;
this.dialects = spec.dialects || {};
this.dynamicPrecedences = spec.dynamicPrecedences || null;
this.tokenPrecTable = spec.tokenPrec;
this.termNames = spec.termNames || null;
this.maxNode = this.nodeSet.types.length - 1;
this.dialect = this.parseDialect();
this.top = this.topRules[Object.keys(this.topRules)[0]];
}
createParse(input, fragments, ranges) {
let parse = new Parse$1(this, input, fragments, ranges);
for (let w of this.wrappers)
parse = w(parse, input, fragments, ranges);
return parse;
}
getGoto(state, term, loose = false) {
let table = this.goto;
if (term >= table[0])
return -1;
for (let pos = table[term + 1];;) {
let groupTag = table[pos++], last = groupTag & 1;
let target = table[pos++];
if (last && loose)
return target;
for (let end = pos + (groupTag >> 1); pos < end; pos++)
if (table[pos] == state)
return target;
if (last)
return -1;
}
}
hasAction(state, terminal) {
let data = this.data;
for (let set = 0; set < 2; set++) {
for (let i = this.stateSlot(state, set ? 2 : 1 ), next;; i += 3) {
if ((next = data[i]) == 65535 ) {
if (data[i + 1] == 1 )
next = data[i = pair(data, i + 2)];
else if (data[i + 1] == 2 )
return pair(data, i + 2);
else
break;
}
if (next == terminal || next == 0 )
return pair(data, i + 1);
}
}
return 0;
}
stateSlot(state, slot) {
return this.states[(state * 6 ) + slot];
}
stateFlag(state, flag) {
return (this.stateSlot(state, 0 ) & flag) > 0;
}
validAction(state, action) {
return !!this.allActions(state, a => a == action ? true : null);
}
allActions(state, action) {
let deflt = this.stateSlot(state, 4 );
let result = deflt ? action(deflt) : undefined;
for (let i = this.stateSlot(state, 1 ); result == null; i += 3) {
if (this.data[i] == 65535 ) {
if (this.data[i + 1] == 1 )
i = pair(this.data, i + 2);
else
break;
}
result = action(pair(this.data, i + 1));
}
return result;
}
nextStates(state) {
let result = [];
for (let i = this.stateSlot(state, 1 );; i += 3) {
if (this.data[i] == 65535 ) {
if (this.data[i + 1] == 1 )
i = pair(this.data, i + 2);
else
break;
}
if ((this.data[i + 2] & (65536 >> 16)) == 0) {
let value = this.data[i + 1];
if (!result.some((v, i) => (i & 1) && v == value))
result.push(this.data[i], value);
}
}
return result;
}
configure(config) {
let copy = Object.assign(Object.create(LRParser.prototype), this);
if (config.props)
copy.nodeSet = this.nodeSet.extend(...config.props);
if (config.top) {
let info = this.topRules[config.top];
if (!info)
throw new RangeError(`Invalid top rule name ${config.top}`);
copy.top = info;
}
if (config.tokenizers)
copy.tokenizers = this.tokenizers.map(t => {
let found = config.tokenizers.find(r => r.from == t);
return found ? found.to : t;
});
if (config.specializers) {
copy.specializers = this.specializers.slice();
copy.specializerSpecs = this.specializerSpecs.map((s, i) => {
let found = config.specializers.find(r => r.from == s.external);
if (!found)
return s;
let spec = Object.assign(Object.assign({}, s), { external: found.to });
copy.specializers[i] = getSpecializer(spec);
return spec;
});
}
if (config.contextTracker)
copy.context = config.contextTracker;
if (config.dialect)
copy.dialect = this.parseDialect(config.dialect);
if (config.strict != null)
copy.strict = config.strict;
if (config.wrap)
copy.wrappers = copy.wrappers.concat(config.wrap);
if (config.bufferLength != null)
copy.bufferLength = config.bufferLength;
return copy;
}
hasWrappers() {
return this.wrappers.length > 0;
}
getName(term) {
return this.termNames ? this.termNames[term] : String(term <= this.maxNode && this.nodeSet.types[term].name || term);
}
get eofTerm() { return this.maxNode + 1; }
get topNode() { return this.nodeSet.types[this.top[1]]; }
dynamicPrecedence(term) {
let prec = this.dynamicPrecedences;
return prec == null ? 0 : prec[term] || 0;
}
parseDialect(dialect) {
let values = Object.keys(this.dialects), flags = values.map(() => false);
if (dialect)
for (let part of dialect.split(" ")) {
let id = values.indexOf(part);
if (id >= 0)
flags[id] = true;
}
let disabled = null;
for (let i = 0; i < values.length; i++)
if (!flags[i]) {
for (let j = this.dialects[values[i]], id; (id = this.data[j++]) != 65535 ;)
(disabled || (disabled = new Uint8Array(this.maxTerm + 1)))[id] = 1;
}
return new Dialect(dialect, flags, disabled);
}
static deserialize(spec) {
return new LRParser(spec);
}
}
function pair(data, off) { return data[off] | (data[off + 1] << 16); }
function findFinished(stacks) {
let best = null;
for (let stack of stacks) {
let stopped = stack.p.stoppedAt;
if ((stack.pos == stack.p.stream.end || stopped != null && stack.pos > stopped) &&
stack.p.parser.stateFlag(stack.state, 2 ) &&
(!best || best.score < stack.score))
best = stack;
}
return best;
}
function getSpecializer(spec) {
if (spec.external) {
let mask = spec.extend ? 1 : 0 ;
return (value, stack) => (spec.external(value, stack) << 1) | mask;
}
return spec.get;
}
let nextTagID = 0;
class Tag {
constructor(
name,
set,
base,
modified) {
this.name = name;
this.set = set;
this.base = base;
this.modified = modified;
this.id = nextTagID++;
}
toString() {
let { name } = this;
for (let mod of this.modified)
if (mod.name)
name = `${mod.name}(${name})`;
return name;
}
static define(nameOrParent, parent) {
let name = typeof nameOrParent == "string" ? nameOrParent : "?";
if (nameOrParent instanceof Tag)
parent = nameOrParent;
if (parent === null || parent === void 0 ? void 0 : parent.base)
throw new Error("Can not derive from a modified tag");
let tag = new Tag(name, [], null, []);
tag.set.push(tag);
if (parent)
for (let t of parent.set)
tag.set.push(t);
return tag;
}
static defineModifier(name) {
let mod = new Modifier(name);
return (tag) => {
if (tag.modified.indexOf(mod) > -1)
return tag;
return Modifier.get(tag.base || tag, tag.modified.concat(mod).sort((a, b) => a.id - b.id));
};
}
}
let nextModifierID = 0;
class Modifier {
constructor(name) {
this.name = name;
this.instances = [];
this.id = nextModifierID++;
}
static get(base, mods) {
if (!mods.length)
return base;
let exists = mods[0].instances.find(t => t.base == base && sameArray(mods, t.modified));
if (exists)
return exists;
let set = [], tag = new Tag(base.name, set, base, mods);
for (let m of mods)
m.instances.push(tag);
let configs = powerSet(mods);
for (let parent of base.set)
if (!parent.modified.length)
for (let config of configs)
set.push(Modifier.get(parent, config));
return tag;
}
}
function sameArray(a, b) {
return a.length == b.length && a.every((x, i) => x == b[i]);
}
function powerSet(array) {
let sets = [[]];
for (let i = 0; i < array.length; i++) {
for (let j = 0, e = sets.length; j < e; j++) {
sets.push(sets[j].concat(array[i]));
}
}
return sets.sort((a, b) => b.length - a.length);
}
function styleTags(spec) {
let byName = Object.create(null);
for (let prop in spec) {
let tags = spec[prop];
if (!Array.isArray(tags))
tags = [tags];
for (let part of prop.split(" "))
if (part) {
let pieces = [], mode = 2 , rest = part;
for (let pos = 0;;) {
if (rest == "..." && pos > 0 && pos + 3 == part.length) {
mode = 1 ;
break;
}
let m = /^"(?:[^"\\]|\\.)*?"|[^\/!]+/.exec(rest);
if (!m)
throw new RangeError("Invalid path: " + part);
pieces.push(m[0] == "*" ? "" : m[0][0] == '"' ? JSON.parse(m[0]) : m[0]);
pos += m[0].length;
if (pos == part.length)
break;
let next = part[pos++];
if (pos == part.length && next == "!") {
mode = 0 ;
break;
}
if (next != "/")
throw new RangeError("Invalid path: " + part);
rest = part.slice(pos);
}
let last = pieces.length - 1, inner = pieces[last];
if (!inner)
throw new RangeError("Invalid path: " + part);
let rule = new Rule(tags, mode, last > 0 ? pieces.slice(0, last) : null);
byName[inner] = rule.sort(byName[inner]);
}
}
return ruleNodeProp.add(byName);
}
const ruleNodeProp = new NodeProp({
combine(a, b) {
let cur, root, take;
while (a || b) {
if (!a || b && a.depth >= b.depth) {
take = b;
b = b.next;
}
else {
take = a;
a = a.next;
}
if (cur && cur.mode == take.mode && !take.context && !cur.context)
continue;
let copy = new Rule(take.tags, take.mode, take.context);
if (cur)
cur.next = copy;
else
root = copy;
cur = copy;
}
return root;
}
});
class Rule {
constructor(tags, mode, context, next) {
this.tags = tags;
this.mode = mode;
this.context = context;
this.next = next;
}
get opaque() { return this.mode == 0 ; }
get inherit() { return this.mode == 1 ; }
sort(other) {
if (!other || other.depth < this.depth) {
this.next = other;
return this;
}
other.next = this.sort(other.next);
return other;
}
get depth() { return this.context ? this.context.length : 0; }
}
Rule.empty = new Rule([], 2 , null);
function tagHighlighter(tags, options) {
let map = Object.create(null);
for (let style of tags) {
if (!Array.isArray(style.tag))
map[style.tag.id] = style.class;
else
for (let tag of style.tag)
map[tag.id] = style.class;
}
let { scope, all = null } = options || {};
return {
style: (tags) => {
let cls = all;
for (let tag of tags) {
for (let sub of tag.set) {
let tagClass = map[sub.id];
if (tagClass) {
cls = cls ? cls + " " + tagClass : tagClass;
break;
}
}
}
return cls;
},
scope
};
}
function highlightTags(highlighters, tags) {
let result = null;
for (let highlighter of highlighters) {
let value = highlighter.style(tags);
if (value)
result = result ? result + " " + value : value;
}
return result;
}
function highlightTree(tree, highlighter,
putStyle,
from = 0,
to = tree.length) {
let builder = new HighlightBuilder(from, Array.isArray(highlighter) ? highlighter : [highlighter], putStyle);
builder.highlightRange(tree.cursor(), from, to, "", builder.highlighters);
builder.flush(to);
}
class HighlightBuilder {
constructor(at, highlighters, span) {
this.at = at;
this.highlighters = highlighters;
this.span = span;
this.class = "";
}
startSpan(at, cls) {
if (cls != this.class) {
this.flush(at);
if (at > this.at)
this.at = at;
this.class = cls;
}
}
flush(to) {
if (to > this.at && this.class)
this.span(this.at, to, this.class);
}
highlightRange(cursor, from, to, inheritedClass, highlighters) {
let { type, from: start, to: end } = cursor;
if (start >= to || end <= from)
return;
if (type.isTop)
highlighters = this.highlighters.filter(h => !h.scope || h.scope(type));
let cls = inheritedClass;
let rule = getStyleTags(cursor) || Rule.empty;
let tagCls = highlightTags(highlighters, rule.tags);
if (tagCls) {
if (cls)
cls += " ";
cls += tagCls;
if (rule.mode == 1 )
inheritedClass += (inheritedClass ? " " : "") + tagCls;
}
this.startSpan(Math.max(from, start), cls);
if (rule.opaque)
return;
let mounted = cursor.tree && cursor.tree.prop(NodeProp.mounted);
if (mounted && mounted.overlay) {
let inner = cursor.node.enter(mounted.overlay[0].from + start, 1);
let innerHighlighters = this.highlighters.filter(h => !h.scope || h.scope(mounted.tree.type));
let hasChild = cursor.firstChild();
for (let i = 0, pos = start;; i++) {
let next = i < mounted.overlay.length ? mounted.overlay[i] : null;
let nextPos = next ? next.from + start : end;
let rangeFrom = Math.max(from, pos), rangeTo = Math.min(to, nextPos);
if (rangeFrom < rangeTo && hasChild) {
while (cursor.from < rangeTo) {
this.highlightRange(cursor, rangeFrom, rangeTo, inheritedClass, highlighters);
this.startSpan(Math.min(rangeTo, cursor.to), cls);
if (cursor.to >= nextPos || !cursor.nextSibling())
break;
}
}
if (!next || nextPos > to)
break;
pos = next.to + start;
if (pos > from) {
this.highlightRange(inner.cursor(), Math.max(from, next.from + start), Math.min(to, pos), "", innerHighlighters);
this.startSpan(Math.min(to, pos), cls);
}
}
if (hasChild)
cursor.parent();
}
else if (cursor.firstChild()) {
if (mounted)
inheritedClass = "";
do {
if (cursor.to <= from)
continue;
if (cursor.from >= to)
break;
this.highlightRange(cursor, from, to, inheritedClass, highlighters);
this.startSpan(Math.min(to, cursor.to), cls);
} while (cursor.nextSibling());
cursor.parent();
}
}
}
function getStyleTags(node) {
let rule = node.type.prop(ruleNodeProp);
while (rule && rule.context && !node.matchContext(rule.context))
rule = rule.next;
return rule || null;
}
const t = Tag.define;
const comment = t(), name = t(), typeName = t(name), propertyName = t(name), literal = t(), string = t(literal), number = t(literal), content = t(), heading = t(content), keyword = t(), operator = t(), punctuation = t(), bracket = t(punctuation), meta = t();
const tags = {
comment,
lineComment: t(comment),
blockComment: t(comment),
docComment: t(comment),
name,
variableName: t(name),
typeName: typeName,
tagName: t(typeName),
propertyName: propertyName,
attributeName: t(propertyName),
className: t(name),
labelName: t(name),
namespace: t(name),
macroName: t(name),
literal,
string,
docString: t(string),
character: t(string),
attributeValue: t(string),
number,
integer: t(number),
float: t(number),
bool: t(literal),
regexp: t(literal),
escape: t(literal),
color: t(literal),
url: t(literal),
keyword,
self: t(keyword),
null: t(keyword),
atom: t(keyword),
unit: t(keyword),
modifier: t(keyword),
operatorKeyword: t(keyword),
controlKeyword: t(keyword),
definitionKeyword: t(keyword),
moduleKeyword: t(keyword),
operator,
derefOperator: t(operator),
arithmeticOperator: t(operator),
logicOperator: t(operator),
bitwiseOperator: t(operator),
compareOperator: t(operator),
updateOperator: t(operator),
definitionOperator: t(operator),
typeOperator: t(operator),
controlOperator: t(operator),
punctuation,
separator: t(punctuation),
bracket,
angleBracket: t(bracket),
squareBracket: t(bracket),
paren: t(bracket),
brace: t(bracket),
content,
heading,
heading1: t(heading),
heading2: t(heading),
heading3: t(heading),
heading4: t(heading),
heading5: t(heading),
heading6: t(heading),
contentSeparator: t(content),
list: t(content),
quote: t(content),
emphasis: t(content),
strong: t(content),
link: t(content),
monospace: t(content),
strikethrough: t(content),
inserted: t(),
deleted: t(),
changed: t(),
invalid: t(),
meta,
documentMeta: t(meta),
annotation: t(meta),
processingInstruction: t(meta),
definition: Tag.defineModifier("definition"),
constant: Tag.defineModifier("constant"),
function: Tag.defineModifier("function"),
standard: Tag.defineModifier("standard"),
local: Tag.defineModifier("local"),
special: Tag.defineModifier("special")
};
for (let name in tags) {
let val = tags[name];
if (val instanceof Tag)
val.name = name;
}
tagHighlighter([
{ tag: tags.link, class: "tok-link" },
{ tag: tags.heading, class: "tok-heading" },
{ tag: tags.emphasis, class: "tok-emphasis" },
{ tag: tags.strong, class: "tok-strong" },
{ tag: tags.keyword, class: "tok-keyword" },
{ tag: tags.atom, class: "tok-atom" },
{ tag: tags.bool, class: "tok-bool" },
{ tag: tags.url, class: "tok-url" },
{ tag: tags.labelName, class: "tok-labelName" },
{ tag: tags.inserted, class: "tok-inserted" },
{ tag: tags.deleted, class: "tok-deleted" },
{ tag: tags.literal, class: "tok-literal" },
{ tag: tags.string, class: "tok-string" },
{ tag: tags.number, class: "tok-number" },
{ tag: [tags.regexp, tags.escape, tags.special(tags.string)], class: "tok-string2" },
{ tag: tags.variableName, class: "tok-variableName" },
{ tag: tags.local(tags.variableName), class: "tok-variableName tok-local" },
{ tag: tags.definition(tags.variableName), class: "tok-variableName tok-definition" },
{ tag: tags.special(tags.variableName), class: "tok-variableName2" },
{ tag: tags.definition(tags.propertyName), class: "tok-propertyName tok-definition" },
{ tag: tags.typeName, class: "tok-typeName" },
{ tag: tags.namespace, class: "tok-namespace" },
{ tag: tags.className, class: "tok-className" },
{ tag: tags.macroName, class: "tok-macroName" },
{ tag: tags.propertyName, class: "tok-propertyName" },
{ tag: tags.operator, class: "tok-operator" },
{ tag: tags.comment, class: "tok-comment" },
{ tag: tags.meta, class: "tok-meta" },
{ tag: tags.invalid, class: "tok-invalid" },
{ tag: tags.punctuation, class: "tok-punctuation" }
]);
const noSemi = 316,
noSemiType = 317,
incdec = 1,
incdecPrefix = 2,
questionDot = 3,
JSXStartTag = 4,
insertSemi = 318,
spaces = 320,
newline = 321,
LineComment = 5,
BlockComment = 6,
Dialect_jsx = 0;
const space = [9, 10, 11, 12, 13, 32, 133, 160, 5760, 8192, 8193, 8194, 8195, 8196, 8197, 8198, 8199, 8200,
8201, 8202, 8232, 8233, 8239, 8287, 12288];
const braceR = 125, semicolon = 59, slash = 47, star = 42, plus = 43, minus = 45, lt = 60, comma = 44,
question = 63, dot = 46, bracketL = 91;
const trackNewline = new ContextTracker({
start: false,
shift(context, term) {
return term == LineComment || term == BlockComment || term == spaces ? context : term == newline
},
strict: false
});
const insertSemicolon = new ExternalTokenizer((input, stack) => {
let {next} = input;
if (next == braceR || next == -1 || stack.context)
input.acceptToken(insertSemi);
}, {contextual: true, fallback: true});
const noSemicolon = new ExternalTokenizer((input, stack) => {
let {next} = input, after;
if (space.indexOf(next) > -1) return
if (next == slash && ((after = input.peek(1)) == slash || after == star)) return
if (next != braceR && next != semicolon && next != -1 && !stack.context)
input.acceptToken(noSemi);
}, {contextual: true});
const noSemicolonType = new ExternalTokenizer((input, stack) => {
if (input.next == bracketL && !stack.context) input.acceptToken(noSemiType);
}, {contextual: true});
const operatorToken = new ExternalTokenizer((input, stack) => {
let {next} = input;
if (next == plus || next == minus) {
input.advance();
if (next == input.next) {
input.advance();
let mayPostfix = !stack.context && stack.canShift(incdec);
input.acceptToken(mayPostfix ? incdec : incdecPrefix);
}
} else if (next == question && input.peek(1) == dot) {
input.advance(); input.advance();
if (input.next < 48 || input.next > 57)
input.acceptToken(questionDot);
}
}, {contextual: true});
function identifierChar(ch, start) {
return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || ch == 95 || ch >= 192 ||
!start && ch >= 48 && ch <= 57
}
const jsx = new ExternalTokenizer((input, stack) => {
if (input.next != lt || !stack.dialectEnabled(Dialect_jsx)) return
input.advance();
if (input.next == slash) return
let back = 0;
while (space.indexOf(input.next) > -1) { input.advance(); back++; }
if (identifierChar(input.next, true)) {
input.advance();
back++;
while (identifierChar(input.next, false)) { input.advance(); back++; }
while (space.indexOf(input.next) > -1) { input.advance(); back++; }
if (input.next == comma) return
for (let i = 0;; i++) {
if (i == 7) {
if (!identifierChar(input.next, true)) return
break
}
if (input.next != "extends".charCodeAt(i)) break
input.advance();
back++;
}
}
input.acceptToken(JSXStartTag, -back);
});
const jsHighlight = styleTags({
"get set async static": tags.modifier,
"for while do if else switch try catch finally return throw break continue default case defer": tags.controlKeyword,
"in of await yield void typeof delete instanceof as satisfies": tags.operatorKeyword,
"let var const using function class extends": tags.definitionKeyword,
"import export from": tags.moduleKeyword,
"with debugger new": tags.keyword,
TemplateString: tags.special(tags.string),
super: tags.atom,
BooleanLiteral: tags.bool,
this: tags.self,
null: tags.null,
Star: tags.modifier,
VariableName: tags.variableName,
"CallExpression/VariableName TaggedTemplateExpression/VariableName": tags.function(tags.variableName),
VariableDefinition: tags.definition(tags.variableName),
Label: tags.labelName,
PropertyName: tags.propertyName,
PrivatePropertyName: tags.special(tags.propertyName),
"CallExpression/MemberExpression/PropertyName": tags.function(tags.propertyName),
"FunctionDeclaration/VariableDefinition": tags.function(tags.definition(tags.variableName)),
"ClassDeclaration/VariableDefinition": tags.definition(tags.className),
"NewExpression/VariableName": tags.className,
PropertyDefinition: tags.definition(tags.propertyName),
PrivatePropertyDefinition: tags.definition(tags.special(tags.propertyName)),
UpdateOp: tags.updateOperator,
"LineComment Hashbang": tags.lineComment,
BlockComment: tags.blockComment,
Number: tags.number,
String: tags.string,
Escape: tags.escape,
ArithOp: tags.arithmeticOperator,
LogicOp: tags.logicOperator,
BitOp: tags.bitwiseOperator,
CompareOp: tags.compareOperator,
RegExp: tags.regexp,
Equals: tags.definitionOperator,
Arrow: tags.function(tags.punctuation),
": Spread": tags.punctuation,
"( )": tags.paren,
"[ ]": tags.squareBracket,
"{ }": tags.brace,
"InterpolationStart InterpolationEnd": tags.special(tags.brace),
".": tags.derefOperator,
", ;": tags.separator,
"@": tags.meta,
TypeName: tags.typeName,
TypeDefinition: tags.definition(tags.typeName),
"type enum interface implements namespace module declare": tags.definitionKeyword,
"abstract global Privacy readonly override": tags.modifier,
"is keyof unique infer asserts": tags.operatorKeyword,
JSXAttributeValue: tags.attributeValue,
JSXText: tags.content,
"JSXStartTag JSXStartCloseTag JSXSelfCloseEndTag JSXEndTag": tags.angleBracket,
"JSXIdentifier JSXNameSpacedName": tags.tagName,
"JSXAttribute/JSXIdentifier JSXAttribute/JSXNameSpacedName": tags.attributeName,
"JSXBuiltin/JSXIdentifier": tags.standard(tags.tagName)
});
const spec_identifier = {__proto__:null,export:20, as:25, from:33, default:36, async:41, function:42, in:52, out:55, const:56, extends:60, this:64, true:72, false:72, null:84, void:88, typeof:92, super:108, new:142, delete:154, yield:163, await:167, class:172, public:235, private:235, protected:235, readonly:237, instanceof:256, satisfies:259, import:292, keyof:349, unique:353, infer:359, asserts:395, is:397, abstract:417, implements:419, type:421, let:424, var:426, using:429, interface:435, enum:439, namespace:445, module:447, declare:451, global:455, defer:471, for:476, of:485, while:488, with:492, do:496, if:500, else:502, switch:506, case:512, try:518, catch:522, finally:526, return:530, throw:534, break:538, continue:542, debugger:546};
const spec_word = {__proto__:null,async:129, get:131, set:133, declare:195, public:197, private:197, protected:197, static:199, abstract:201, override:203, readonly:209, accessor:211, new:401};
const spec_LessThan = {__proto__:null,"<":193};
const parser = LRParser.deserialize({
version: 14,
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tokenizers: [noSemicolon, noSemicolonType, operatorToken, jsx, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, insertSemicolon, new LocalTokenGroup("$S~RRtu[#O#Pg#S#T#|~_P#o#pb~gOx~~jVO#i!P#i#j!U#j#l!P#l#m!q#m;'S!P;'S;=`#v<%lO!P~!UO!U~~!XS!Q![!e!c!i!e#T#Z!e#o#p#Z~!hR!Q![!q!c!i!q#T#Z!q~!tR!Q![!}!c!i!}#T#Z!}~#QR!Q![!P!c!i!P#T#Z!P~#^R!Q![#g!c!i#g#T#Z#g~#jS!Q![#g!c!i#g#T#Z#g#q#r!P~#yP;=`<%l!P~$RO(c~~", 141, 340), new LocalTokenGroup("j~RQYZXz{^~^O(Q~~aP!P!Qd~iO(R~~", 25, 323)],
topRules: {"Script":[0,7],"SingleExpression":[1,276],"SingleClassItem":[2,277]},
dialects: {jsx: 0, ts: 15175},
dynamicPrecedences: {"80":1,"82":1,"94":1,"169":1,"199":1},
specialized: [{term: 327, get: (value) => spec_identifier[value] || -1},{term: 343, get: (value) => spec_word[value] || -1},{term: 95, get: (value) => spec_LessThan[value] || -1}],
tokenPrec: 15201
});
var _a;
const languageDataProp = new NodeProp();
function defineLanguageFacet(baseData) {
return Facet.define({
combine: baseData ? values => values.concat(baseData) : undefined
});
}
const sublanguageProp = new NodeProp();
class Language {
constructor(
data, parser, extraExtensions = [],
name = "") {
this.data = data;
this.name = name;
if (!EditorState.prototype.hasOwnProperty("tree"))
Object.defineProperty(EditorState.prototype, "tree", { get() { return syntaxTree(this); } });
this.parser = parser;
this.extension = [
language.of(this),
EditorState.languageData.of((state, pos, side) => {
let top = topNodeAt(state, pos, side), data = top.type.prop(languageDataProp);
if (!data)
return [];
let base = state.facet(data), sub = top.type.prop(sublanguageProp);
if (sub) {
let innerNode = top.resolve(pos - top.from, side);
for (let sublang of sub)
if (sublang.test(innerNode, state)) {
let data = state.facet(sublang.facet);
return sublang.type == "replace" ? data : data.concat(base);
}
}
return base;
})
].concat(extraExtensions);
}
isActiveAt(state, pos, side = -1) {
return topNodeAt(state, pos, side).type.prop(languageDataProp) == this.data;
}
findRegions(state) {
let lang = state.facet(language);
if ((lang === null || lang === void 0 ? void 0 : lang.data) == this.data)
return [{ from: 0, to: state.doc.length }];
if (!lang || !lang.allowsNesting)
return [];
let result = [];
let explore = (tree, from) => {
if (tree.prop(languageDataProp) == this.data) {
result.push({ from, to: from + tree.length });
return;
}
let mount = tree.prop(NodeProp.mounted);
if (mount) {
if (mount.tree.prop(languageDataProp) == this.data) {
if (mount.overlay)
for (let r of mount.overlay)
result.push({ from: r.from + from, to: r.to + from });
else
result.push({ from: from, to: from + tree.length });
return;
}
else if (mount.overlay) {
let size = result.length;
explore(mount.tree, mount.overlay[0].from + from);
if (result.length > size)
return;
}
}
for (let i = 0; i < tree.children.length; i++) {
let ch = tree.children[i];
if (ch instanceof Tree)
explore(ch, tree.positions[i] + from);
}
};
explore(syntaxTree(state), 0);
return result;
}
get allowsNesting() { return true; }
}
Language.setState = StateEffect.define();
function topNodeAt(state, pos, side) {
let topLang = state.facet(language), tree = syntaxTree(state).topNode;
if (!topLang || topLang.allowsNesting) {
for (let node = tree; node; node = node.enter(pos, side, IterMode.ExcludeBuffers | IterMode.EnterBracketed))
if (node.type.isTop)
tree = node;
}
return tree;
}
class LRLanguage extends Language {
constructor(data, parser, name) {
super(data, parser, [], name);
this.parser = parser;
}
static define(spec) {
let data = defineLanguageFacet(spec.languageData);
return new LRLanguage(data, spec.parser.configure({
props: [languageDataProp.add(type => type.isTop ? data : undefined)]
}), spec.name);
}
configure(options, name) {
return new LRLanguage(this.data, this.parser.configure(options), name || this.name);
}
get allowsNesting() { return this.parser.hasWrappers(); }
}
function syntaxTree(state) {
let field = state.field(Language.state, false);
return field ? field.tree : Tree.empty;
}
function ensureSyntaxTree(state, upto, timeout = 50) {
var _a;
let parse = (_a = state.field(Language.state, false)) === null || _a === void 0 ? void 0 : _a.context;
if (!parse)
return null;
let oldVieport = parse.viewport;
parse.updateViewport({ from: 0, to: upto });
let result = parse.isDone(upto) || parse.work(timeout, upto) ? parse.tree : null;
parse.updateViewport(oldVieport);
return result;
}
function syntaxTreeAvailable(state, upto = state.doc.length) {
var _a;
return ((_a = state.field(Language.state, false)) === null || _a === void 0 ? void 0 : _a.context.isDone(upto)) || false;
}
function forceParsing(view, upto = view.viewport.to, timeout = 100) {
let success = ensureSyntaxTree(view.state, upto, timeout);
if (success != syntaxTree(view.state))
view.dispatch({});
return !!success;
}
function syntaxParserRunning(view) {
var _a;
return ((_a = view.plugin(parseWorker)) === null || _a === void 0 ? void 0 : _a.isWorking()) || false;
}
class DocInput {
constructor(doc) {
this.doc = doc;
this.cursorPos = 0;
this.string = "";
this.cursor = doc.iter();
}
get length() { return this.doc.length; }
syncTo(pos) {
this.string = this.cursor.next(pos - this.cursorPos).value;
this.cursorPos = pos + this.string.length;
return this.cursorPos - this.string.length;
}
chunk(pos) {
this.syncTo(pos);
return this.string;
}
get lineChunks() { return true; }
read(from, to) {
let stringStart = this.cursorPos - this.string.length;
if (from < stringStart || to >= this.cursorPos)
return this.doc.sliceString(from, to);
else
return this.string.slice(from - stringStart, to - stringStart);
}
}
let currentContext = null;
class ParseContext {
constructor(parser,
state,
fragments = [],
tree,
treeLen,
viewport,
skipped,
scheduleOn) {
this.parser = parser;
this.state = state;
this.fragments = fragments;
this.tree = tree;
this.treeLen = treeLen;
this.viewport = viewport;
this.skipped = skipped;
this.scheduleOn = scheduleOn;
this.parse = null;
this.tempSkipped = [];
}
static create(parser, state, viewport) {
return new ParseContext(parser, state, [], Tree.empty, 0, viewport, [], null);
}
startParse() {
return this.parser.startParse(new DocInput(this.state.doc), this.fragments);
}
work(until, upto) {
if (upto != null && upto >= this.state.doc.length)
upto = undefined;
if (this.tree != Tree.empty && this.isDone(upto !== null && upto !== void 0 ? upto : this.state.doc.length)) {
this.takeTree();
return true;
}
return this.withContext(() => {
var _a;
if (typeof until == "number") {
let endTime = Date.now() + until;
until = () => Date.now() > endTime;
}
if (!this.parse)
this.parse = this.startParse();
if (upto != null && (this.parse.stoppedAt == null || this.parse.stoppedAt > upto) &&
upto < this.state.doc.length)
this.parse.stopAt(upto);
for (;;) {
let done = this.parse.advance();
if (done) {
this.fragments = this.withoutTempSkipped(TreeFragment.addTree(done, this.fragments, this.parse.stoppedAt != null));
this.treeLen = (_a = this.parse.stoppedAt) !== null && _a !== void 0 ? _a : this.state.doc.length;
this.tree = done;
this.parse = null;
if (this.treeLen < (upto !== null && upto !== void 0 ? upto : this.state.doc.length))
this.parse = this.startParse();
else
return true;
}
if (until())
return false;
}
});
}
takeTree() {
let pos, tree;
if (this.parse && (pos = this.parse.parsedPos) >= this.treeLen) {
if (this.parse.stoppedAt == null || this.parse.stoppedAt > pos)
this.parse.stopAt(pos);
this.withContext(() => { while (!(tree = this.parse.advance())) { } });
this.treeLen = pos;
this.tree = tree;
this.fragments = this.withoutTempSkipped(TreeFragment.addTree(this.tree, this.fragments, true));
this.parse = null;
}
}
withContext(f) {
let prev = currentContext;
currentContext = this;
try {
return f();
}
finally {
currentContext = prev;
}
}
withoutTempSkipped(fragments) {
for (let r; r = this.tempSkipped.pop();)
fragments = cutFragments(fragments, r.from, r.to);
return fragments;
}
changes(changes, newState) {
let { fragments, tree, treeLen, viewport, skipped } = this;
this.takeTree();
if (!changes.empty) {
let ranges = [];
changes.iterChangedRanges((fromA, toA, fromB, toB) => ranges.push({ fromA, toA, fromB, toB }));
fragments = TreeFragment.applyChanges(fragments, ranges);
tree = Tree.empty;
treeLen = 0;
viewport = { from: changes.mapPos(viewport.from, -1), to: changes.mapPos(viewport.to, 1) };
if (this.skipped.length) {
skipped = [];
for (let r of this.skipped) {
let from = changes.mapPos(r.from, 1), to = changes.mapPos(r.to, -1);
if (from < to)
skipped.push({ from, to });
}
}
}
return new ParseContext(this.parser, newState, fragments, tree, treeLen, viewport, skipped, this.scheduleOn);
}
updateViewport(viewport) {
if (this.viewport.from == viewport.from && this.viewport.to == viewport.to)
return false;
this.viewport = viewport;
let startLen = this.skipped.length;
for (let i = 0; i < this.skipped.length; i++) {
let { from, to } = this.skipped[i];
if (from < viewport.to && to > viewport.from) {
this.fragments = cutFragments(this.fragments, from, to);
this.skipped.splice(i--, 1);
}
}
if (this.skipped.length >= startLen)
return false;
this.reset();
return true;
}
reset() {
if (this.parse) {
this.takeTree();
this.parse = null;
}
}
skipUntilInView(from, to) {
this.skipped.push({ from, to });
}
static getSkippingParser(until) {
return new class extends Parser {
createParse(input, fragments, ranges) {
let from = ranges[0].from, to = ranges[ranges.length - 1].to;
let parser = {
parsedPos: from,
advance() {
let cx = currentContext;
if (cx) {
for (let r of ranges)
cx.tempSkipped.push(r);
if (until)
cx.scheduleOn = cx.scheduleOn ? Promise.all([cx.scheduleOn, until]) : until;
}
this.parsedPos = to;
return new Tree(NodeType.none, [], [], to - from);
},
stoppedAt: null,
stopAt() { }
};
return parser;
}
};
}
isDone(upto) {
upto = Math.min(upto, this.state.doc.length);
let frags = this.fragments;
return this.treeLen >= upto && frags.length && frags[0].from == 0 && frags[0].to >= upto;
}
static get() { return currentContext; }
}
function cutFragments(fragments, from, to) {
return TreeFragment.applyChanges(fragments, [{ fromA: from, toA: to, fromB: from, toB: to }]);
}
class LanguageState {
constructor(
context) {
this.context = context;
this.tree = context.tree;
}
apply(tr) {
if (!tr.docChanged && this.tree == this.context.tree)
return this;
let newCx = this.context.changes(tr.changes, tr.state);
let upto = this.context.treeLen == tr.startState.doc.length ? undefined
: Math.max(tr.changes.mapPos(this.context.treeLen), newCx.viewport.to);
if (!newCx.work(20 , upto))
newCx.takeTree();
return new LanguageState(newCx);
}
static init(state) {
let vpTo = Math.min(3000 , state.doc.length);
let parseState = ParseContext.create(state.facet(language).parser, state, { from: 0, to: vpTo });
if (!parseState.work(20 , vpTo))
parseState.takeTree();
return new LanguageState(parseState);
}
}
Language.state = StateField.define({
create: LanguageState.init,
update(value, tr) {
for (let e of tr.effects)
if (e.is(Language.setState))
return e.value;
if (tr.startState.facet(language) != tr.state.facet(language))
return LanguageState.init(tr.state);
return value.apply(tr);
}
});
let requestIdle = (callback) => {
let timeout = setTimeout(() => callback(), 500 );
return () => clearTimeout(timeout);
};
if (typeof requestIdleCallback != "undefined")
requestIdle = (callback) => {
let idle = -1, timeout = setTimeout(() => {
idle = requestIdleCallback(callback, { timeout: 500 - 100 });
}, 100 );
return () => idle < 0 ? clearTimeout(timeout) : cancelIdleCallback(idle);
};
const isInputPending = typeof navigator != "undefined" && ((_a = navigator.scheduling) === null || _a === void 0 ? void 0 : _a.isInputPending)
? () => navigator.scheduling.isInputPending() : null;
const parseWorker = ViewPlugin.fromClass(class ParseWorker {
constructor(view) {
this.view = view;
this.working = null;
this.workScheduled = 0;
this.chunkEnd = -1;
this.chunkBudget = -1;
this.work = this.work.bind(this);
this.scheduleWork();
}
update(update) {
let cx = this.view.state.field(Language.state).context;
if (cx.updateViewport(update.view.viewport) || this.view.viewport.to > cx.treeLen)
this.scheduleWork();
if (update.docChanged || update.selectionSet) {
if (this.view.hasFocus)
this.chunkBudget += 50 ;
this.scheduleWork();
}
this.checkAsyncSchedule(cx);
}
scheduleWork() {
if (this.working)
return;
let { state } = this.view, field = state.field(Language.state);
if (field.tree != field.context.tree || !field.context.isDone(state.doc.length))
this.working = requestIdle(this.work);
}
work(deadline) {
this.working = null;
let now = Date.now();
if (this.chunkEnd < now && (this.chunkEnd < 0 || this.view.hasFocus)) {
this.chunkEnd = now + 30000 ;
this.chunkBudget = 3000 ;
}
if (this.chunkBudget <= 0)
return;
let { state, viewport: { to: vpTo } } = this.view, field = state.field(Language.state);
if (field.tree == field.context.tree && field.context.isDone(vpTo + 100000 ))
return;
let endTime = Date.now() + Math.min(this.chunkBudget, 100 , deadline && !isInputPending ? Math.max(25 , deadline.timeRemaining() - 5) : 1e9);
let viewportFirst = field.context.treeLen < vpTo && state.doc.length > vpTo + 1000;
let done = field.context.work(() => {
return isInputPending && isInputPending() || Date.now() > endTime;
}, vpTo + (viewportFirst ? 0 : 100000 ));
this.chunkBudget -= Date.now() - now;
if (done || this.chunkBudget <= 0) {
field.context.takeTree();
this.view.dispatch({ effects: Language.setState.of(new LanguageState(field.context)) });
}
if (this.chunkBudget > 0 && !(done && !viewportFirst))
this.scheduleWork();
this.checkAsyncSchedule(field.context);
}
checkAsyncSchedule(cx) {
if (cx.scheduleOn) {
this.workScheduled++;
cx.scheduleOn
.then(() => this.scheduleWork())
.catch(err => logException(this.view.state, err))
.then(() => this.workScheduled--);
cx.scheduleOn = null;
}
}
destroy() {
if (this.working)
this.working();
}
isWorking() {
return !!(this.working || this.workScheduled > 0);
}
}, {
eventHandlers: { focus() { this.scheduleWork(); } }
});
const language = Facet.define({
combine(languages) { return languages.length ? languages[0] : null; },
enables: language => [
Language.state,
parseWorker,
EditorView.contentAttributes.compute([language], state => {
let lang = state.facet(language);
return lang && lang.name ? { "data-language": lang.name } : {};
})
]
});
class LanguageSupport {
constructor(
language,
support = []) {
this.language = language;
this.support = support;
this.extension = [language, support];
}
}
class LanguageDescription {
constructor(
name,
alias,
extensions,
filename, loadFunc,
support = undefined) {
this.name = name;
this.alias = alias;
this.extensions = extensions;
this.filename = filename;
this.loadFunc = loadFunc;
this.support = support;
this.loading = null;
}
load() {
return this.loading || (this.loading = this.loadFunc().then(support => this.support = support, err => { this.loading = null; throw err; }));
}
static of(spec) {
let { load, support } = spec;
if (!load) {
if (!support)
throw new RangeError("Must pass either 'load' or 'support' to LanguageDescription.of");
load = () => Promise.resolve(support);
}
return new LanguageDescription(spec.name, (spec.alias || []).concat(spec.name).map(s => s.toLowerCase()), spec.extensions || [], spec.filename, load, support);
}
static matchFilename(descs, filename) {
for (let d of descs)
if (d.filename && d.filename.test(filename))
return d;
let ext = /\.([^.]+)$/.exec(filename);
if (ext)
for (let d of descs)
if (d.extensions.indexOf(ext[1]) > -1)
return d;
return null;
}
static matchLanguageName(descs, name, fuzzy = true) {
name = name.toLowerCase();
for (let d of descs)
if (d.alias.some(a => a == name))
return d;
if (fuzzy)
for (let d of descs)
for (let a of d.alias) {
let found = name.indexOf(a);
if (found > -1 && (a.length > 2 || !/\w/.test(name[found - 1]) && !/\w/.test(name[found + a.length])))
return d;
}
return null;
}
}
const indentService = Facet.define();
const indentUnit = Facet.define({
combine: values => {
if (!values.length)
return " ";
let unit = values[0];
if (!unit || /\S/.test(unit) || Array.from(unit).some(e => e != unit[0]))
throw new Error("Invalid indent unit: " + JSON.stringify(values[0]));
return unit;
}
});
function getIndentUnit(state) {
let unit = state.facet(indentUnit);
return unit.charCodeAt(0) == 9 ? state.tabSize * unit.length : unit.length;
}
function indentString(state, cols) {
let result = "", ts = state.tabSize, ch = state.facet(indentUnit)[0];
if (ch == "\t") {
while (cols >= ts) {
result += "\t";
cols -= ts;
}
ch = " ";
}
for (let i = 0; i < cols; i++)
result += ch;
return result;
}
function getIndentation(context, pos) {
if (context instanceof EditorState)
context = new IndentContext(context);
for (let service of context.state.facet(indentService)) {
let result = service(context, pos);
if (result !== undefined)
return result;
}
let tree = syntaxTree(context.state);
return tree.length >= pos ? syntaxIndentation(context, tree, pos) : null;
}
function indentRange(state, from, to) {
let updated = Object.create(null);
let context = new IndentContext(state, { overrideIndentation: start => { var _a; return (_a = updated[start]) !== null && _a !== void 0 ? _a : -1; } });
let changes = [];
for (let pos = from; pos <= to;) {
let line = state.doc.lineAt(pos);
pos = line.to + 1;
let indent = getIndentation(context, line.from);
if (indent == null)
continue;
if (!/\S/.test(line.text))
indent = 0;
let cur = /^\s*/.exec(line.text)[0];
let norm = indentString(state, indent);
if (cur != norm) {
updated[line.from] = indent;
changes.push({ from: line.from, to: line.from + cur.length, insert: norm });
}
}
return state.changes(changes);
}
class IndentContext {
constructor(
state,
options = {}) {
this.state = state;
this.options = options;
this.unit = getIndentUnit(state);
}
lineAt(pos, bias = 1) {
let line = this.state.doc.lineAt(pos);
let { simulateBreak, simulateDoubleBreak } = this.options;
if (simulateBreak != null && simulateBreak >= line.from && simulateBreak <= line.to) {
if (simulateDoubleBreak && simulateBreak == pos)
return { text: "", from: pos };
else if (bias < 0 ? simulateBreak < pos : simulateBreak <= pos)
return { text: line.text.slice(simulateBreak - line.from), from: simulateBreak };
else
return { text: line.text.slice(0, simulateBreak - line.from), from: line.from };
}
return line;
}
textAfterPos(pos, bias = 1) {
if (this.options.simulateDoubleBreak && pos == this.options.simulateBreak)
return "";
let { text, from } = this.lineAt(pos, bias);
return text.slice(pos - from, Math.min(text.length, pos + 100 - from));
}
column(pos, bias = 1) {
let { text, from } = this.lineAt(pos, bias);
let result = this.countColumn(text, pos - from);
let override = this.options.overrideIndentation ? this.options.overrideIndentation(from) : -1;
if (override > -1)
result += override - this.countColumn(text, text.search(/\S|$/));
return result;
}
countColumn(line, pos = line.length) {
return countColumn(line, this.state.tabSize, pos);
}
lineIndent(pos, bias = 1) {
let { text, from } = this.lineAt(pos, bias);
let override = this.options.overrideIndentation;
if (override) {
let overriden = override(from);
if (overriden > -1)
return overriden;
}
return this.countColumn(text, text.search(/\S|$/));
}
get simulatedBreak() {
return this.options.simulateBreak || null;
}
}
const indentNodeProp = new NodeProp();
function syntaxIndentation(cx, ast, pos) {
let stack = ast.resolveStack(pos);
let inner = ast.resolveInner(pos, -1).resolve(pos, 0).enterUnfinishedNodesBefore(pos);
if (inner != stack.node) {
let add = [];
for (let cur = inner; cur && !(cur.from < stack.node.from || cur.to > stack.node.to ||
cur.from == stack.node.from && cur.type == stack.node.type); cur = cur.parent)
add.push(cur);
for (let i = add.length - 1; i >= 0; i--)
stack = { node: add[i], next: stack };
}
return indentFor(stack, cx, pos);
}
function indentFor(stack, cx, pos) {
for (let cur = stack; cur; cur = cur.next) {
let strategy = indentStrategy(cur.node);
if (strategy)
return strategy(TreeIndentContext.create(cx, pos, cur));
}
return 0;
}
function ignoreClosed(cx) {
return cx.pos == cx.options.simulateBreak && cx.options.simulateDoubleBreak;
}
function indentStrategy(tree) {
let strategy = tree.type.prop(indentNodeProp);
if (strategy)
return strategy;
let first = tree.firstChild, close;
if (first && (close = first.type.prop(NodeProp.closedBy))) {
let last = tree.lastChild, closed = last && close.indexOf(last.name) > -1;
return cx => delimitedStrategy(cx, true, 1, undefined, closed && !ignoreClosed(cx) ? last.from : undefined);
}
return tree.parent == null ? topIndent : null;
}
function topIndent() { return 0; }
class TreeIndentContext extends IndentContext {
constructor(base,
pos,
context) {
super(base.state, base.options);
this.base = base;
this.pos = pos;
this.context = context;
}
get node() { return this.context.node; }
static create(base, pos, context) {
return new TreeIndentContext(base, pos, context);
}
get textAfter() {
return this.textAfterPos(this.pos);
}
get baseIndent() {
return this.baseIndentFor(this.node);
}
baseIndentFor(node) {
let line = this.state.doc.lineAt(node.from);
for (;;) {
let atBreak = node.resolve(line.from);
while (atBreak.parent && atBreak.parent.from == atBreak.from)
atBreak = atBreak.parent;
if (isParent(atBreak, node))
break;
line = this.state.doc.lineAt(atBreak.from);
}
return this.lineIndent(line.from);
}
continue() {
return indentFor(this.context.next, this.base, this.pos);
}
}
function isParent(parent, of) {
for (let cur = of; cur; cur = cur.parent)
if (parent == cur)
return true;
return false;
}
function bracketedAligned(context) {
let tree = context.node;
let openToken = tree.childAfter(tree.from), last = tree.lastChild;
if (!openToken)
return null;
let sim = context.options.simulateBreak;
let openLine = context.state.doc.lineAt(openToken.from);
let lineEnd = sim == null || sim <= openLine.from ? openLine.to : Math.min(openLine.to, sim);
for (let pos = openToken.to;;) {
let next = tree.childAfter(pos);
if (!next || next == last)
return null;
if (!next.type.isSkipped) {
if (next.from >= lineEnd)
return null;
let space = /^ */.exec(openLine.text.slice(openToken.to - openLine.from))[0].length;
return { from: openToken.from, to: openToken.to + space };
}
pos = next.to;
}
}
function delimitedIndent({ closing, align = true, units = 1 }) {
return (context) => delimitedStrategy(context, align, units, closing);
}
function delimitedStrategy(context, align, units, closing, closedAt) {
let after = context.textAfter, space = after.match(/^\s*/)[0].length;
let closed = closing && after.slice(space, space + closing.length) == closing || closedAt == context.pos + space;
let aligned = align ? bracketedAligned(context) : null;
if (aligned)
return closed ? context.column(aligned.from) : context.column(aligned.to);
return context.baseIndent + (closed ? 0 : context.unit * units);
}
const flatIndent = (context) => context.baseIndent;
function continuedIndent({ except, units = 1 } = {}) {
return (context) => {
let matchExcept = except && except.test(context.textAfter);
return context.baseIndent + (matchExcept ? 0 : units * context.unit);
};
}
const DontIndentBeyond = 200;
function indentOnInput() {
return EditorState.transactionFilter.of(tr => {
if (!tr.docChanged || !tr.isUserEvent("input.type") && !tr.isUserEvent("input.complete"))
return tr;
let rules = tr.startState.languageDataAt("indentOnInput", tr.startState.selection.main.head);
if (!rules.length)
return tr;
let doc = tr.newDoc, { head } = tr.newSelection.main, line = doc.lineAt(head);
if (head > line.from + DontIndentBeyond)
return tr;
let lineStart = doc.sliceString(line.from, head);
if (!rules.some(r => r.test(lineStart)))
return tr;
let { state } = tr, last = -1, changes = [];
for (let { head } of state.selection.ranges) {
let line = state.doc.lineAt(head);
if (line.from == last)
continue;
last = line.from;
let indent = getIndentation(state, line.from);
if (indent == null)
continue;
let cur = /^\s*/.exec(line.text)[0];
let norm = indentString(state, indent);
if (cur != norm)
changes.push({ from: line.from, to: line.from + cur.length, insert: norm });
}
return changes.length ? [tr, { changes, sequential: true }] : tr;
});
}
const foldService = Facet.define();
const foldNodeProp = new NodeProp();
function foldInside(node) {
let first = node.firstChild, last = node.lastChild;
return first && first.to < last.from ? { from: first.to, to: last.type.isError ? node.to : last.from } : null;
}
function syntaxFolding(state, start, end) {
let tree = syntaxTree(state);
if (tree.length < end)
return null;
let stack = tree.resolveStack(end, 1);
let found = null;
for (let iter = stack; iter; iter = iter.next) {
let cur = iter.node;
if (cur.to <= end || cur.from > end)
continue;
if (found && cur.from < start)
break;
let prop = cur.type.prop(foldNodeProp);
if (prop && (cur.to < tree.length - 50 || tree.length == state.doc.length || !isUnfinished(cur))) {
let value = prop(cur, state);
if (value && value.from <= end && value.from >= start && value.to > end)
found = value;
}
}
return found;
}
function isUnfinished(node) {
let ch = node.lastChild;
return ch && ch.to == node.to && ch.type.isError;
}
function foldable(state, lineStart, lineEnd) {
for (let service of state.facet(foldService)) {
let result = service(state, lineStart, lineEnd);
if (result)
return result;
}
return syntaxFolding(state, lineStart, lineEnd);
}
function mapRange(range, mapping) {
let from = mapping.mapPos(range.from, 1), to = mapping.mapPos(range.to, -1);
return from >= to ? undefined : { from, to };
}
const foldEffect = StateEffect.define({ map: mapRange });
const unfoldEffect = StateEffect.define({ map: mapRange });
function selectedLines(view) {
let lines = [];
for (let { head } of view.state.selection.ranges) {
if (lines.some(l => l.from <= head && l.to >= head))
continue;
lines.push(view.lineBlockAt(head));
}
return lines;
}
const foldState = StateField.define({
create() {
return Decoration.none;
},
update(folded, tr) {
if (tr.isUserEvent("delete"))
tr.changes.iterChangedRanges((fromA, toA) => folded = clearTouchedFolds(folded, fromA, toA));
folded = folded.map(tr.changes);
for (let e of tr.effects) {
if (e.is(foldEffect) && !foldExists(folded, e.value.from, e.value.to)) {
let { preparePlaceholder } = tr.state.facet(foldConfig);
let widget = !preparePlaceholder ? foldWidget :
Decoration.replace({ widget: new PreparedFoldWidget(preparePlaceholder(tr.state, e.value)) });
folded = folded.update({ add: [widget.range(e.value.from, e.value.to)] });
}
else if (e.is(unfoldEffect)) {
folded = folded.update({ filter: (from, to) => e.value.from != from || e.value.to != to,
filterFrom: e.value.from, filterTo: e.value.to });
}
}
if (tr.selection)
folded = clearTouchedFolds(folded, tr.selection.main.head);
return folded;
},
provide: f => EditorView.decorations.from(f),
toJSON(folded, state) {
let ranges = [];
folded.between(0, state.doc.length, (from, to) => { ranges.push(from, to); });
return ranges;
},
fromJSON(value) {
if (!Array.isArray(value) || value.length % 2)
throw new RangeError("Invalid JSON for fold state");
let ranges = [];
for (let i = 0; i < value.length;) {
let from = value[i++], to = value[i++];
if (typeof from != "number" || typeof to != "number")
throw new RangeError("Invalid JSON for fold state");
ranges.push(foldWidget.range(from, to));
}
return Decoration.set(ranges, true);
}
});
function clearTouchedFolds(folded, from, to = from) {
let touched = false;
folded.between(from, to, (a, b) => { if (a < to && b > from)
touched = true; });
return !touched ? folded : folded.update({
filterFrom: from,
filterTo: to,
filter: (a, b) => a >= to || b <= from
});
}
function foldedRanges(state) {
return state.field(foldState, false) || RangeSet.empty;
}
function findFold(state, from, to) {
var _a;
let found = null;
(_a = state.field(foldState, false)) === null || _a === void 0 ? void 0 : _a.between(from, to, (from, to) => {
if (!found || found.from > from)
found = { from, to };
});
return found;
}
function foldExists(folded, from, to) {
let found = false;
folded.between(from, from, (a, b) => { if (a == from && b == to)
found = true; });
return found;
}
function maybeEnable(state, other) {
return state.field(foldState, false) ? other : other.concat(StateEffect.appendConfig.of(codeFolding()));
}
const foldCode = view => {
for (let line of selectedLines(view)) {
let range = foldable(view.state, line.from, line.to);
if (range) {
view.dispatch({ effects: maybeEnable(view.state, [foldEffect.of(range), announceFold(view, range)]) });
return true;
}
}
return false;
};
const unfoldCode = view => {
if (!view.state.field(foldState, false))
return false;
let effects = [];
for (let line of selectedLines(view)) {
let folded = findFold(view.state, line.from, line.to);
if (folded)
effects.push(unfoldEffect.of(folded), announceFold(view, folded, false));
}
if (effects.length)
view.dispatch({ effects });
return effects.length > 0;
};
function announceFold(view, range, fold = true) {
let lineFrom = view.state.doc.lineAt(range.from).number, lineTo = view.state.doc.lineAt(range.to).number;
return EditorView.announce.of(`${view.state.phrase(fold ? "Folded lines" : "Unfolded lines")} ${lineFrom} ${view.state.phrase("to")} ${lineTo}.`);
}
const foldAll = view => {
let { state } = view, effects = [];
for (let pos = 0; pos < state.doc.length;) {
let line = view.lineBlockAt(pos), range = foldable(state, line.from, line.to);
if (range)
effects.push(foldEffect.of(range));
pos = (range ? view.lineBlockAt(range.to) : line).to + 1;
}
if (effects.length)
view.dispatch({ effects: maybeEnable(view.state, effects) });
return !!effects.length;
};
const unfoldAll = view => {
let field = view.state.field(foldState, false);
if (!field || !field.size)
return false;
let effects = [];
field.between(0, view.state.doc.length, (from, to) => { effects.push(unfoldEffect.of({ from, to })); });
view.dispatch({ effects });
return true;
};
function foldableContainer(view, lineBlock) {
for (let line = lineBlock;;) {
let foldableRegion = foldable(view.state, line.from, line.to);
if (foldableRegion && foldableRegion.to > lineBlock.from)
return foldableRegion;
if (!line.from)
return null;
line = view.lineBlockAt(line.from - 1);
}
}
const toggleFold = (view) => {
let effects = [];
for (let line of selectedLines(view)) {
let folded = findFold(view.state, line.from, line.to);
if (folded) {
effects.push(unfoldEffect.of(folded), announceFold(view, folded, false));
}
else {
let foldRange = foldableContainer(view, line);
if (foldRange)
effects.push(foldEffect.of(foldRange), announceFold(view, foldRange));
}
}
if (effects.length > 0)
view.dispatch({ effects: maybeEnable(view.state, effects) });
return !!effects.length;
};
const foldKeymap = [
{ key: "Ctrl-Shift-[", mac: "Cmd-Alt-[", run: foldCode },
{ key: "Ctrl-Shift-]", mac: "Cmd-Alt-]", run: unfoldCode },
{ key: "Ctrl-Alt-[", run: foldAll },
{ key: "Ctrl-Alt-]", run: unfoldAll }
];
const defaultConfig = {
placeholderDOM: null,
preparePlaceholder: null,
placeholderText: "…"
};
const foldConfig = Facet.define({
combine(values) { return combineConfig(values, defaultConfig); }
});
function codeFolding(config) {
let result = [foldState, baseTheme$1$1];
if (config)
result.push(foldConfig.of(config));
return result;
}
function widgetToDOM(view, prepared) {
let { state } = view, conf = state.facet(foldConfig);
let onclick = (event) => {
let line = view.lineBlockAt(view.posAtDOM(event.target));
let folded = findFold(view.state, line.from, line.to);
if (folded)
view.dispatch({ effects: unfoldEffect.of(folded) });
event.preventDefault();
};
if (conf.placeholderDOM)
return conf.placeholderDOM(view, onclick, prepared);
let element = document.createElement("span");
element.textContent = conf.placeholderText;
element.setAttribute("aria-label", state.phrase("folded code"));
element.title = state.phrase("unfold");
element.className = "cm-foldPlaceholder";
element.onclick = onclick;
return element;
}
const foldWidget = Decoration.replace({ widget: new class extends WidgetType {
toDOM(view) { return widgetToDOM(view, null); }
} });
class PreparedFoldWidget extends WidgetType {
constructor(value) {
super();
this.value = value;
}
eq(other) { return this.value == other.value; }
toDOM(view) { return widgetToDOM(view, this.value); }
}
const foldGutterDefaults = {
openText: "⌄",
closedText: "›",
markerDOM: null,
domEventHandlers: {},
foldingChanged: () => false
};
class FoldMarker extends GutterMarker {
constructor(config, open) {
super();
this.config = config;
this.open = open;
}
eq(other) { return this.config == other.config && this.open == other.open; }
toDOM(view) {
if (this.config.markerDOM)
return this.config.markerDOM(this.open);
let span = document.createElement("span");
span.textContent = this.open ? this.config.openText : this.config.closedText;
span.title = view.state.phrase(this.open ? "Fold line" : "Unfold line");
return span;
}
}
function foldGutter(config = {}) {
let fullConfig = { ...foldGutterDefaults, ...config };
let canFold = new FoldMarker(fullConfig, true), canUnfold = new FoldMarker(fullConfig, false);
let markers = ViewPlugin.fromClass(class {
constructor(view) {
this.from = view.viewport.from;
this.markers = this.buildMarkers(view);
}
update(update) {
if (update.docChanged || update.viewportChanged ||
update.startState.facet(language) != update.state.facet(language) ||
update.startState.field(foldState, false) != update.state.field(foldState, false) ||
syntaxTree(update.startState) != syntaxTree(update.state) ||
fullConfig.foldingChanged(update))
this.markers = this.buildMarkers(update.view);
}
buildMarkers(view) {
let builder = new RangeSetBuilder();
for (let line of view.viewportLineBlocks) {
let mark = findFold(view.state, line.from, line.to) ? canUnfold
: foldable(view.state, line.from, line.to) ? canFold : null;
if (mark)
builder.add(line.from, line.from, mark);
}
return builder.finish();
}
});
let { domEventHandlers } = fullConfig;
return [
markers,
gutter({
class: "cm-foldGutter",
markers(view) { var _a; return ((_a = view.plugin(markers)) === null || _a === void 0 ? void 0 : _a.markers) || RangeSet.empty; },
initialSpacer() {
return new FoldMarker(fullConfig, false);
},
domEventHandlers: {
...domEventHandlers,
click: (view, line, event) => {
if (domEventHandlers.click && domEventHandlers.click(view, line, event))
return true;
let folded = findFold(view.state, line.from, line.to);
if (folded) {
view.dispatch({ effects: unfoldEffect.of(folded) });
return true;
}
let range = foldable(view.state, line.from, line.to);
if (range) {
view.dispatch({ effects: foldEffect.of(range) });
return true;
}
return false;
}
}
}),
codeFolding()
];
}
const baseTheme$1$1 = EditorView.baseTheme({
".cm-foldPlaceholder": {
backgroundColor: "#eee",
border: "1px solid #ddd",
color: "#888",
borderRadius: ".2em",
margin: "0 1px",
padding: "0 1px",
cursor: "pointer"
},
".cm-foldGutter span": {
padding: "0 1px",
cursor: "pointer"
}
});
class HighlightStyle {
constructor(
specs, options) {
this.specs = specs;
let modSpec;
function def(spec) {
let cls = StyleModule.newName();
(modSpec || (modSpec = Object.create(null)))["." + cls] = spec;
return cls;
}
const all = typeof options.all == "string" ? options.all : options.all ? def(options.all) : undefined;
const scopeOpt = options.scope;
this.scope = scopeOpt instanceof Language ? (type) => type.prop(languageDataProp) == scopeOpt.data
: scopeOpt ? (type) => type == scopeOpt : undefined;
this.style = tagHighlighter(specs.map(style => ({
tag: style.tag,
class: style.class || def(Object.assign({}, style, { tag: null }))
})), {
all,
}).style;
this.module = modSpec ? new StyleModule(modSpec) : null;
this.themeType = options.themeType;
}
static define(specs, options) {
return new HighlightStyle(specs, options || {});
}
}
const highlighterFacet = Facet.define();
const fallbackHighlighter = Facet.define({
combine(values) { return values.length ? [values[0]] : null; }
});
function getHighlighters(state) {
let main = state.facet(highlighterFacet);
return main.length ? main : state.facet(fallbackHighlighter);
}
function syntaxHighlighting(highlighter, options) {
let ext = [treeHighlighter], themeType;
if (highlighter instanceof HighlightStyle) {
if (highlighter.module)
ext.push(EditorView.styleModule.of(highlighter.module));
themeType = highlighter.themeType;
}
if (options === null || options === void 0 ? void 0 : options.fallback)
ext.push(fallbackHighlighter.of(highlighter));
else if (themeType)
ext.push(highlighterFacet.computeN([EditorView.darkTheme], state => {
return state.facet(EditorView.darkTheme) == (themeType == "dark") ? [highlighter] : [];
}));
else
ext.push(highlighterFacet.of(highlighter));
return ext;
}
function highlightingFor(state, tags, scope) {
let highlighters = getHighlighters(state);
let result = null;
if (highlighters)
for (let highlighter of highlighters) {
if (!highlighter.scope || scope && highlighter.scope(scope)) {
let cls = highlighter.style(tags);
if (cls)
result = result ? result + " " + cls : cls;
}
}
return result;
}
class TreeHighlighter {
constructor(view) {
this.markCache = Object.create(null);
this.tree = syntaxTree(view.state);
this.decorations = this.buildDeco(view, getHighlighters(view.state));
this.decoratedTo = view.viewport.to;
}
update(update) {
let tree = syntaxTree(update.state), highlighters = getHighlighters(update.state);
let styleChange = highlighters != getHighlighters(update.startState);
let { viewport } = update.view, decoratedToMapped = update.changes.mapPos(this.decoratedTo, 1);
if (tree.length < viewport.to && !styleChange && tree.type == this.tree.type && decoratedToMapped >= viewport.to) {
this.decorations = this.decorations.map(update.changes);
this.decoratedTo = decoratedToMapped;
}
else if (tree != this.tree || update.viewportChanged || styleChange) {
this.tree = tree;
this.decorations = this.buildDeco(update.view, highlighters);
this.decoratedTo = viewport.to;
}
}
buildDeco(view, highlighters) {
if (!highlighters || !this.tree.length)
return Decoration.none;
let builder = new RangeSetBuilder();
for (let { from, to } of view.visibleRanges) {
highlightTree(this.tree, highlighters, (from, to, style) => {
builder.add(from, to, this.markCache[style] || (this.markCache[style] = Decoration.mark({ class: style })));
}, from, to);
}
return builder.finish();
}
}
const treeHighlighter = Prec.high(ViewPlugin.fromClass(TreeHighlighter, {
decorations: v => v.decorations
}));
const defaultHighlightStyle = HighlightStyle.define([
{ tag: tags.meta,
color: "#404740" },
{ tag: tags.link,
textDecoration: "underline" },
{ tag: tags.heading,
textDecoration: "underline",
fontWeight: "bold" },
{ tag: tags.emphasis,
fontStyle: "italic" },
{ tag: tags.strong,
fontWeight: "bold" },
{ tag: tags.strikethrough,
textDecoration: "line-through" },
{ tag: tags.keyword,
color: "#708" },
{ tag: [tags.atom, tags.bool, tags.url, tags.contentSeparator, tags.labelName],
color: "#219" },
{ tag: [tags.literal, tags.inserted],
color: "#164" },
{ tag: [tags.string, tags.deleted],
color: "#a11" },
{ tag: [tags.regexp, tags.escape, tags.special(tags.string)],
color: "#e40" },
{ tag: tags.definition(tags.variableName),
color: "#00f" },
{ tag: tags.local(tags.variableName),
color: "#30a" },
{ tag: [tags.typeName, tags.namespace],
color: "#085" },
{ tag: tags.className,
color: "#167" },
{ tag: [tags.special(tags.variableName), tags.macroName],
color: "#256" },
{ tag: tags.definition(tags.propertyName),
color: "#00c" },
{ tag: tags.comment,
color: "#940" },
{ tag: tags.invalid,
color: "#f00" }
]);
const baseTheme$2 = EditorView.baseTheme({
"&.cm-focused .cm-matchingBracket": { backgroundColor: "#328c8252" },
"&.cm-focused .cm-nonmatchingBracket": { backgroundColor: "#bb555544" }
});
const DefaultScanDist = 10000, DefaultBrackets = "()[]{}";
const bracketMatchingConfig = Facet.define({
combine(configs) {
return combineConfig(configs, {
afterCursor: true,
brackets: DefaultBrackets,
maxScanDistance: DefaultScanDist,
renderMatch: defaultRenderMatch
});
}
});
const matchingMark = Decoration.mark({ class: "cm-matchingBracket" }), nonmatchingMark = Decoration.mark({ class: "cm-nonmatchingBracket" });
function defaultRenderMatch(match) {
let decorations = [];
let mark = match.matched ? matchingMark : nonmatchingMark;
decorations.push(mark.range(match.start.from, match.start.to));
if (match.end)
decorations.push(mark.range(match.end.from, match.end.to));
return decorations;
}
const bracketMatchingState = StateField.define({
create() { return Decoration.none; },
update(deco, tr) {
if (!tr.docChanged && !tr.selection)
return deco;
let decorations = [];
let config = tr.state.facet(bracketMatchingConfig);
for (let range of tr.state.selection.ranges) {
if (!range.empty)
continue;
let match = matchBrackets(tr.state, range.head, -1, config)
|| (range.head > 0 && matchBrackets(tr.state, range.head - 1, 1, config))
|| (config.afterCursor &&
(matchBrackets(tr.state, range.head, 1, config) ||
(range.head < tr.state.doc.length && matchBrackets(tr.state, range.head + 1, -1, config))));
if (match)
decorations = decorations.concat(config.renderMatch(match, tr.state));
}
return Decoration.set(decorations, true);
},
provide: f => EditorView.decorations.from(f)
});
const bracketMatchingUnique = [
bracketMatchingState,
baseTheme$2
];
function bracketMatching(config = {}) {
return [bracketMatchingConfig.of(config), bracketMatchingUnique];
}
const bracketMatchingHandle = new NodeProp();
function matchingNodes(node, dir, brackets) {
let byProp = node.prop(dir < 0 ? NodeProp.openedBy : NodeProp.closedBy);
if (byProp)
return byProp;
if (node.name.length == 1) {
let index = brackets.indexOf(node.name);
if (index > -1 && index % 2 == (dir < 0 ? 1 : 0))
return [brackets[index + dir]];
}
return null;
}
function findHandle(node) {
let hasHandle = node.type.prop(bracketMatchingHandle);
return hasHandle ? hasHandle(node.node) : node;
}
function matchBrackets(state, pos, dir, config = {}) {
let maxScanDistance = config.maxScanDistance || DefaultScanDist, brackets = config.brackets || DefaultBrackets;
let tree = syntaxTree(state), node = tree.resolveInner(pos, dir);
for (let cur = node; cur; cur = cur.parent) {
let matches = matchingNodes(cur.type, dir, brackets);
if (matches && cur.from < cur.to) {
let handle = findHandle(cur);
if (handle && (dir > 0 ? pos >= handle.from && pos < handle.to : pos > handle.from && pos <= handle.to))
return matchMarkedBrackets(state, pos, dir, cur, handle, matches, brackets);
}
}
return matchPlainBrackets(state, pos, dir, tree, node.type, maxScanDistance, brackets);
}
function matchMarkedBrackets(_state, _pos, dir, token, handle, matching, brackets) {
let parent = token.parent, firstToken = { from: handle.from, to: handle.to };
let depth = 0, cursor = parent === null || parent === void 0 ? void 0 : parent.cursor();
if (cursor && (dir < 0 ? cursor.childBefore(token.from) : cursor.childAfter(token.to)))
do {
if (dir < 0 ? cursor.to <= token.from : cursor.from >= token.to) {
if (depth == 0 && matching.indexOf(cursor.type.name) > -1 && cursor.from < cursor.to) {
let endHandle = findHandle(cursor);
return { start: firstToken, end: endHandle ? { from: endHandle.from, to: endHandle.to } : undefined, matched: true };
}
else if (matchingNodes(cursor.type, dir, brackets)) {
depth++;
}
else if (matchingNodes(cursor.type, -dir, brackets)) {
if (depth == 0) {
let endHandle = findHandle(cursor);
return {
start: firstToken,
end: endHandle && endHandle.from < endHandle.to ? { from: endHandle.from, to: endHandle.to } : undefined,
matched: false
};
}
depth--;
}
}
} while (dir < 0 ? cursor.prevSibling() : cursor.nextSibling());
return { start: firstToken, matched: false };
}
function matchPlainBrackets(state, pos, dir, tree, tokenType, maxScanDistance, brackets) {
let startCh = dir < 0 ? state.sliceDoc(pos - 1, pos) : state.sliceDoc(pos, pos + 1);
let bracket = brackets.indexOf(startCh);
if (bracket < 0 || (bracket % 2 == 0) != (dir > 0))
return null;
let startToken = { from: dir < 0 ? pos - 1 : pos, to: dir > 0 ? pos + 1 : pos };
let iter = state.doc.iterRange(pos, dir > 0 ? state.doc.length : 0), depth = 0;
for (let distance = 0; !(iter.next()).done && distance <= maxScanDistance;) {
let text = iter.value;
if (dir < 0)
distance += text.length;
let basePos = pos + distance * dir;
for (let pos = dir > 0 ? 0 : text.length - 1, end = dir > 0 ? text.length : -1; pos != end; pos += dir) {
let found = brackets.indexOf(text[pos]);
if (found < 0 || tree.resolveInner(basePos + pos, 1).type != tokenType)
continue;
if ((found % 2 == 0) == (dir > 0)) {
depth++;
}
else if (depth == 1) {
return { start: startToken, end: { from: basePos + pos, to: basePos + pos + 1 }, matched: (found >> 1) == (bracket >> 1) };
}
else {
depth--;
}
}
if (dir > 0)
distance += text.length;
}
return iter.done ? { start: startToken, matched: false } : null;
}
function countCol(string, end, tabSize, startIndex = 0, startValue = 0) {
if (end == null) {
end = string.search(/[^\s\u00a0]/);
if (end == -1)
end = string.length;
}
let n = startValue;
for (let i = startIndex; i < end; i++) {
if (string.charCodeAt(i) == 9)
n += tabSize - (n % tabSize);
else
n++;
}
return n;
}
class StringStream {
constructor(
string, tabSize,
indentUnit, overrideIndent) {
this.string = string;
this.tabSize = tabSize;
this.indentUnit = indentUnit;
this.overrideIndent = overrideIndent;
this.pos = 0;
this.start = 0;
this.lastColumnPos = 0;
this.lastColumnValue = 0;
}
eol() { return this.pos >= this.string.length; }
sol() { return this.pos == 0; }
peek() { return this.string.charAt(this.pos) || undefined; }
next() {
if (this.pos < this.string.length)
return this.string.charAt(this.pos++);
}
eat(match) {
let ch = this.string.charAt(this.pos);
let ok;
if (typeof match == "string")
ok = ch == match;
else
ok = ch && (match instanceof RegExp ? match.test(ch) : match(ch));
if (ok) {
++this.pos;
return ch;
}
}
eatWhile(match) {
let start = this.pos;
while (this.eat(match)) { }
return this.pos > start;
}
eatSpace() {
let start = this.pos;
while (/[\s\u00a0]/.test(this.string.charAt(this.pos)))
++this.pos;
return this.pos > start;
}
skipToEnd() { this.pos = this.string.length; }
skipTo(ch) {
let found = this.string.indexOf(ch, this.pos);
if (found > -1) {
this.pos = found;
return true;
}
}
backUp(n) { this.pos -= n; }
column() {
if (this.lastColumnPos < this.start) {
this.lastColumnValue = countCol(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
this.lastColumnPos = this.start;
}
return this.lastColumnValue;
}
indentation() {
var _a;
return (_a = this.overrideIndent) !== null && _a !== void 0 ? _a : countCol(this.string, null, this.tabSize);
}
match(pattern, consume, caseInsensitive) {
if (typeof pattern == "string") {
let cased = (str) => caseInsensitive ? str.toLowerCase() : str;
let substr = this.string.substr(this.pos, pattern.length);
if (cased(substr) == cased(pattern)) {
if (consume !== false)
this.pos += pattern.length;
return true;
}
else
return null;
}
else {
let match = this.string.slice(this.pos).match(pattern);
if (match && match.index > 0)
return null;
if (match && consume !== false)
this.pos += match[0].length;
return match;
}
}
current() { return this.string.slice(this.start, this.pos); }
}
function fullParser(spec) {
return {
name: spec.name || "",
token: spec.token,
blankLine: spec.blankLine || (() => { }),
startState: spec.startState || (() => true),
copyState: spec.copyState || defaultCopyState,
indent: spec.indent || (() => null),
languageData: spec.languageData || {},
tokenTable: spec.tokenTable || noTokens,
mergeTokens: spec.mergeTokens !== false
};
}
function defaultCopyState(state) {
if (typeof state != "object")
return state;
let newState = {};
for (let prop in state) {
let val = state[prop];
newState[prop] = (val instanceof Array ? val.slice() : val);
}
return newState;
}
const IndentedFrom = new WeakMap();
class StreamLanguage extends Language {
constructor(parser) {
let data = defineLanguageFacet(parser.languageData);
let p = fullParser(parser), self;
let impl = new class extends Parser {
createParse(input, fragments, ranges) {
return new Parse(self, input, fragments, ranges);
}
};
super(data, impl, [], parser.name);
this.topNode = docID(data, this);
self = this;
this.streamParser = p;
this.stateAfter = new NodeProp({ perNode: true });
this.tokenTable = parser.tokenTable ? new TokenTable(p.tokenTable) : defaultTokenTable;
}
static define(spec) { return new StreamLanguage(spec); }
getIndent(cx) {
let from = undefined;
let { overrideIndentation } = cx.options;
if (overrideIndentation) {
from = IndentedFrom.get(cx.state);
if (from != null && from < cx.pos - 1e4)
from = undefined;
}
let start = findState(this, cx.node.tree, cx.node.from, cx.node.from, from !== null && from !== void 0 ? from : cx.pos), statePos, state;
if (start) {
state = start.state;
statePos = start.pos + 1;
}
else {
state = this.streamParser.startState(cx.unit);
statePos = cx.node.from;
}
if (cx.pos - statePos > 10000 )
return null;
while (statePos < cx.pos) {
let line = cx.state.doc.lineAt(statePos), end = Math.min(cx.pos, line.to);
if (line.length) {
let indentation = overrideIndentation ? overrideIndentation(line.from) : -1;
let stream = new StringStream(line.text, cx.state.tabSize, cx.unit, indentation < 0 ? undefined : indentation);
while (stream.pos < end - line.from)
readToken(this.streamParser.token, stream, state);
}
else {
this.streamParser.blankLine(state, cx.unit);
}
if (end == cx.pos)
break;
statePos = line.to + 1;
}
let line = cx.lineAt(cx.pos);
if (overrideIndentation && from == null)
IndentedFrom.set(cx.state, line.from);
return this.streamParser.indent(state, /^\s*(.*)/.exec(line.text)[1], cx);
}
get allowsNesting() { return false; }
}
function findState(lang, tree, off, startPos, before) {
let state = off >= startPos && off + tree.length <= before && tree.prop(lang.stateAfter);
if (state)
return { state: lang.streamParser.copyState(state), pos: off + tree.length };
for (let i = tree.children.length - 1; i >= 0; i--) {
let child = tree.children[i], pos = off + tree.positions[i];
let found = child instanceof Tree && pos < before && findState(lang, child, pos, startPos, before);
if (found)
return found;
}
return null;
}
function cutTree(lang, tree, from, to, inside) {
if (inside && from <= 0 && to >= tree.length)
return tree;
if (!inside && from == 0 && tree.type == lang.topNode)
inside = true;
for (let i = tree.children.length - 1; i >= 0; i--) {
let pos = tree.positions[i], child = tree.children[i], inner;
if (pos < to && child instanceof Tree) {
if (!(inner = cutTree(lang, child, from - pos, to - pos, inside)))
break;
return !inside ? inner
: new Tree(tree.type, tree.children.slice(0, i).concat(inner), tree.positions.slice(0, i + 1), pos + inner.length);
}
}
return null;
}
function findStartInFragments(lang, fragments, startPos, endPos, editorState) {
for (let f of fragments) {
let from = f.from + (f.openStart ? 25 : 0), to = f.to - (f.openEnd ? 25 : 0);
let found = from <= startPos && to > startPos && findState(lang, f.tree, 0 - f.offset, startPos, to), tree;
if (found && found.pos <= endPos && (tree = cutTree(lang, f.tree, startPos + f.offset, found.pos + f.offset, false)))
return { state: found.state, tree };
}
return { state: lang.streamParser.startState(editorState ? getIndentUnit(editorState) : 4), tree: Tree.empty };
}
class Parse {
constructor(lang, input, fragments, ranges) {
this.lang = lang;
this.input = input;
this.fragments = fragments;
this.ranges = ranges;
this.stoppedAt = null;
this.chunks = [];
this.chunkPos = [];
this.chunk = [];
this.chunkReused = undefined;
this.rangeIndex = 0;
this.to = ranges[ranges.length - 1].to;
let context = ParseContext.get(), from = ranges[0].from;
let { state, tree } = findStartInFragments(lang, fragments, from, this.to, context === null || context === void 0 ? void 0 : context.state);
this.state = state;
this.parsedPos = this.chunkStart = from + tree.length;
for (let i = 0; i < tree.children.length; i++) {
this.chunks.push(tree.children[i]);
this.chunkPos.push(tree.positions[i]);
}
if (context && this.parsedPos < context.viewport.from - 100000 &&
ranges.some(r => r.from <= context.viewport.from && r.to >= context.viewport.from)) {
this.state = this.lang.streamParser.startState(getIndentUnit(context.state));
context.skipUntilInView(this.parsedPos, context.viewport.from);
this.parsedPos = context.viewport.from;
}
this.moveRangeIndex();
}
advance() {
let context = ParseContext.get();
let parseEnd = this.stoppedAt == null ? this.to : Math.min(this.to, this.stoppedAt);
let end = Math.min(parseEnd, this.chunkStart + 512 );
if (context)
end = Math.min(end, context.viewport.to);
while (this.parsedPos < end)
this.parseLine(context);
if (this.chunkStart < this.parsedPos)
this.finishChunk();
if (this.parsedPos >= parseEnd)
return this.finish();
if (context && this.parsedPos >= context.viewport.to) {
context.skipUntilInView(this.parsedPos, parseEnd);
return this.finish();
}
return null;
}
stopAt(pos) {
this.stoppedAt = pos;
}
lineAfter(pos) {
let chunk = this.input.chunk(pos);
if (!this.input.lineChunks) {
let eol = chunk.indexOf("\n");
if (eol > -1)
chunk = chunk.slice(0, eol);
}
else if (chunk == "\n") {
chunk = "";
}
return pos + chunk.length <= this.to ? chunk : chunk.slice(0, this.to - pos);
}
nextLine() {
let from = this.parsedPos, line = this.lineAfter(from), end = from + line.length;
for (let index = this.rangeIndex;;) {
let rangeEnd = this.ranges[index].to;
if (rangeEnd >= end)
break;
line = line.slice(0, rangeEnd - (end - line.length));
index++;
if (index == this.ranges.length)
break;
let rangeStart = this.ranges[index].from;
let after = this.lineAfter(rangeStart);
line += after;
end = rangeStart + after.length;
}
return { line, end };
}
skipGapsTo(pos, offset, side) {
for (;;) {
let end = this.ranges[this.rangeIndex].to, offPos = pos + offset;
if (side > 0 ? end > offPos : end >= offPos)
break;
let start = this.ranges[++this.rangeIndex].from;
offset += start - end;
}
return offset;
}
moveRangeIndex() {
while (this.ranges[this.rangeIndex].to < this.parsedPos)
this.rangeIndex++;
}
emitToken(id, from, to, offset) {
let size = 4;
if (this.ranges.length > 1) {
offset = this.skipGapsTo(from, offset, 1);
from += offset;
let len0 = this.chunk.length;
offset = this.skipGapsTo(to, offset, -1);
to += offset;
size += this.chunk.length - len0;
}
let last = this.chunk.length - 4;
if (this.lang.streamParser.mergeTokens && size == 4 && last >= 0 &&
this.chunk[last] == id && this.chunk[last + 2] == from)
this.chunk[last + 2] = to;
else
this.chunk.push(id, from, to, size);
return offset;
}
parseLine(context) {
let { line, end } = this.nextLine(), offset = 0, { streamParser } = this.lang;
let stream = new StringStream(line, context ? context.state.tabSize : 4, context ? getIndentUnit(context.state) : 2);
if (stream.eol()) {
streamParser.blankLine(this.state, stream.indentUnit);
}
else {
while (!stream.eol()) {
let token = readToken(streamParser.token, stream, this.state);
if (token)
offset = this.emitToken(this.lang.tokenTable.resolve(token), this.parsedPos + stream.start, this.parsedPos + stream.pos, offset);
if (stream.start > 10000 )
break;
}
}
this.parsedPos = end;
this.moveRangeIndex();
if (this.parsedPos < this.to)
this.parsedPos++;
}
finishChunk() {
let tree = Tree.build({
buffer: this.chunk,
start: this.chunkStart,
length: this.parsedPos - this.chunkStart,
nodeSet,
topID: 0,
maxBufferLength: 512 ,
reused: this.chunkReused
});
tree = new Tree(tree.type, tree.children, tree.positions, tree.length, [[this.lang.stateAfter, this.lang.streamParser.copyState(this.state)]]);
this.chunks.push(tree);
this.chunkPos.push(this.chunkStart - this.ranges[0].from);
this.chunk = [];
this.chunkReused = undefined;
this.chunkStart = this.parsedPos;
}
finish() {
return new Tree(this.lang.topNode, this.chunks, this.chunkPos, this.parsedPos - this.ranges[0].from).balance();
}
}
function readToken(token, stream, state) {
stream.start = stream.pos;
for (let i = 0; i < 10; i++) {
let result = token(stream, state);
if (stream.pos > stream.start)
return result;
}
throw new Error("Stream parser failed to advance stream.");
}
const noTokens = Object.create(null);
const typeArray = [NodeType.none];
const nodeSet = new NodeSet(typeArray);
const warned = [];
const byTag = Object.create(null);
const defaultTable = Object.create(null);
for (let [legacyName, name] of [
["variable", "variableName"],
["variable-2", "variableName.special"],
["string-2", "string.special"],
["def", "variableName.definition"],
["tag", "tagName"],
["attribute", "attributeName"],
["type", "typeName"],
["builtin", "variableName.standard"],
["qualifier", "modifier"],
["error", "invalid"],
["header", "heading"],
["property", "propertyName"]
])
defaultTable[legacyName] = createTokenType(noTokens, name);
class TokenTable {
constructor(extra) {
this.extra = extra;
this.table = Object.assign(Object.create(null), defaultTable);
}
resolve(tag) {
return !tag ? 0 : this.table[tag] || (this.table[tag] = createTokenType(this.extra, tag));
}
}
const defaultTokenTable = new TokenTable(noTokens);
function warnForPart(part, msg) {
if (warned.indexOf(part) > -1)
return;
warned.push(part);
console.warn(msg);
}
function createTokenType(extra, tagStr) {
let tags$1 = [];
for (let name of tagStr.split(" ")) {
let found = [];
for (let part of name.split(".")) {
let value = (extra[part] || tags[part]);
if (!value) {
warnForPart(part, `Unknown highlighting tag ${part}`);
}
else if (typeof value == "function") {
if (!found.length)
warnForPart(part, `Modifier ${part} used at start of tag`);
else
found = found.map(value);
}
else {
if (found.length)
warnForPart(part, `Tag ${part} used as modifier`);
else
found = Array.isArray(value) ? value : [value];
}
}
for (let tag of found)
tags$1.push(tag);
}
if (!tags$1.length)
return 0;
let name = tagStr.replace(/ /g, "_"), key = name + " " + tags$1.map(t => t.id);
let known = byTag[key];
if (known)
return known.id;
let type = byTag[key] = NodeType.define({
id: typeArray.length,
name,
props: [styleTags({ [name]: tags$1 })]
});
typeArray.push(type);
return type.id;
}
function docID(data, lang) {
let type = NodeType.define({ id: typeArray.length, name: "Document", props: [
languageDataProp.add(() => data),
indentNodeProp.add(() => cx => lang.getIndent(cx))
], top: true });
typeArray.push(type);
return type;
}
function buildForLine(line) {
return line.length <= 4096 && /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac\ufb50-\ufdff]/.test(line);
}
function textHasRTL(text) {
for (let i = text.iter(); !i.next().done;)
if (buildForLine(i.value))
return true;
return false;
}
function changeAddsRTL(change) {
let added = false;
change.iterChanges((fA, tA, fB, tB, ins) => {
if (!added && textHasRTL(ins))
added = true;
});
return added;
}
const alwaysIsolate = Facet.define({ combine: values => values.some(x => x) });
function bidiIsolates(options = {}) {
let extensions = [isolateMarks];
if (options.alwaysIsolate)
extensions.push(alwaysIsolate.of(true));
return extensions;
}
const isolateMarks = ViewPlugin.fromClass(class {
constructor(view) {
this.always = view.state.facet(alwaysIsolate) ||
view.textDirection != Direction.LTR ||
view.state.facet(EditorView.perLineTextDirection);
this.hasRTL = !this.always && textHasRTL(view.state.doc);
this.tree = syntaxTree(view.state);
this.decorations = this.always || this.hasRTL ? buildDeco(view, this.tree, this.always) : Decoration.none;
}
update(update) {
let always = update.state.facet(alwaysIsolate) ||
update.view.textDirection != Direction.LTR ||
update.state.facet(EditorView.perLineTextDirection);
if (!always && !this.hasRTL && changeAddsRTL(update.changes))
this.hasRTL = true;
if (!always && !this.hasRTL)
return;
let tree = syntaxTree(update.state);
if (always != this.always || tree != this.tree || update.docChanged || update.viewportChanged) {
this.tree = tree;
this.always = always;
this.decorations = buildDeco(update.view, tree, always);
}
}
}, {
provide: plugin => {
function access(view) {
var _a, _b;
return (_b = (_a = view.plugin(plugin)) === null || _a === void 0 ? void 0 : _a.decorations) !== null && _b !== void 0 ? _b : Decoration.none;
}
return [EditorView.outerDecorations.of(access),
Prec.lowest(EditorView.bidiIsolatedRanges.of(access))];
}
});
function buildDeco(view, tree, always) {
let deco = new RangeSetBuilder();
let ranges = view.visibleRanges;
if (!always)
ranges = clipRTLLines(ranges, view.state.doc);
for (let { from, to } of ranges) {
tree.iterate({
enter: node => {
let iso = node.type.prop(NodeProp.isolate);
if (iso)
deco.add(node.from, node.to, marks[iso]);
},
from, to
});
}
return deco.finish();
}
function clipRTLLines(ranges, doc) {
let cur = doc.iter(), pos = 0, result = [], last = null;
for (let { from, to } of ranges) {
if (last && last.to > from) {
from = last.to;
if (from >= to)
continue;
}
if (pos + cur.value.length < from) {
cur.next(from - (pos + cur.value.length));
pos = from;
}
for (;;) {
let start = pos, end = pos + cur.value.length;
if (!cur.lineBreak && buildForLine(cur.value)) {
if (last && last.to > start - 10)
last.to = Math.min(to, end);
else
result.push(last = { from: start, to: Math.min(to, end) });
}
if (end >= to)
break;
pos = end;
cur.next();
}
}
return result;
}
const marks = {
rtl: Decoration.mark({ class: "cm-iso", inclusive: true, attributes: { dir: "rtl" }, bidiIsolate: Direction.RTL }),
ltr: Decoration.mark({ class: "cm-iso", inclusive: true, attributes: { dir: "ltr" }, bidiIsolate: Direction.LTR }),
auto: Decoration.mark({ class: "cm-iso", inclusive: true, attributes: { dir: "auto" }, bidiIsolate: null })
};
var cmLang = /*#__PURE__*/Object.freeze({
__proto__: null,
DocInput: DocInput,
HighlightStyle: HighlightStyle,
IndentContext: IndentContext,
LRLanguage: LRLanguage,
Language: Language,
LanguageDescription: LanguageDescription,
LanguageSupport: LanguageSupport,
ParseContext: ParseContext,
StreamLanguage: StreamLanguage,
StringStream: StringStream,
TreeIndentContext: TreeIndentContext,
bidiIsolates: bidiIsolates,
bracketMatching: bracketMatching,
bracketMatchingHandle: bracketMatchingHandle,
codeFolding: codeFolding,
continuedIndent: continuedIndent,
defaultHighlightStyle: defaultHighlightStyle,
defineLanguageFacet: defineLanguageFacet,
delimitedIndent: delimitedIndent,
ensureSyntaxTree: ensureSyntaxTree,
flatIndent: flatIndent,
foldAll: foldAll,
foldCode: foldCode,
foldEffect: foldEffect,
foldGutter: foldGutter,
foldInside: foldInside,
foldKeymap: foldKeymap,
foldNodeProp: foldNodeProp,
foldService: foldService,
foldState: foldState,
foldable: foldable,
foldedRanges: foldedRanges,
forceParsing: forceParsing,
getIndentUnit: getIndentUnit,
getIndentation: getIndentation,
highlightingFor: highlightingFor,
indentNodeProp: indentNodeProp,
indentOnInput: indentOnInput,
indentRange: indentRange,
indentService: indentService,
indentString: indentString,
indentUnit: indentUnit,
language: language,
languageDataProp: languageDataProp,
matchBrackets: matchBrackets,
sublanguageProp: sublanguageProp,
syntaxHighlighting: syntaxHighlighting,
syntaxParserRunning: syntaxParserRunning,
syntaxTree: syntaxTree,
syntaxTreeAvailable: syntaxTreeAvailable,
toggleFold: toggleFold,
unfoldAll: unfoldAll,
unfoldCode: unfoldCode,
unfoldEffect: unfoldEffect
});
class CompletionContext {
constructor(
state,
pos,
explicit,
view) {
this.state = state;
this.pos = pos;
this.explicit = explicit;
this.view = view;
this.abortListeners = [];
this.abortOnDocChange = false;
}
tokenBefore(types) {
let token = syntaxTree(this.state).resolveInner(this.pos, -1);
while (token && types.indexOf(token.name) < 0)
token = token.parent;
return token ? { from: token.from, to: this.pos,
text: this.state.sliceDoc(token.from, this.pos),
type: token.type } : null;
}
matchBefore(expr) {
let line = this.state.doc.lineAt(this.pos);
let start = Math.max(line.from, this.pos - 250);
let str = line.text.slice(start - line.from, this.pos - line.from);
let found = str.search(ensureAnchor(expr, false));
return found < 0 ? null : { from: start + found, to: this.pos, text: str.slice(found) };
}
get aborted() { return this.abortListeners == null; }
addEventListener(type, listener, options) {
if (type == "abort" && this.abortListeners) {
this.abortListeners.push(listener);
if (options && options.onDocChange)
this.abortOnDocChange = true;
}
}
}
function toSet(chars) {
let flat = Object.keys(chars).join("");
let words = /\w/.test(flat);
if (words)
flat = flat.replace(/\w/g, "");
return `[${words ? "\\w" : ""}${flat.replace(/[^\w\s]/g, "\\$&")}]`;
}
function prefixMatch(options) {
let first = Object.create(null), rest = Object.create(null);
for (let { label } of options) {
first[label[0]] = true;
for (let i = 1; i < label.length; i++)
rest[label[i]] = true;
}
let source = toSet(first) + toSet(rest) + "*$";
return [new RegExp("^" + source), new RegExp(source)];
}
function completeFromList(list) {
let options = list.map(o => typeof o == "string" ? { label: o } : o);
let [validFor, match] = options.every(o => /^\w+$/.test(o.label)) ? [/\w*$/, /\w+$/] : prefixMatch(options);
return (context) => {
let token = context.matchBefore(match);
return token || context.explicit ? { from: token ? token.from : context.pos, options, validFor } : null;
};
}
function ifNotIn(nodes, source) {
return (context) => {
for (let pos = syntaxTree(context.state).resolveInner(context.pos, -1); pos; pos = pos.parent) {
if (nodes.indexOf(pos.name) > -1)
return null;
if (pos.type.isTop)
break;
}
return source(context);
};
}
class Option {
constructor(completion, source, match, score) {
this.completion = completion;
this.source = source;
this.match = match;
this.score = score;
}
}
function cur(state) { return state.selection.main.from; }
function ensureAnchor(expr, start) {
var _a;
let { source } = expr;
let addStart = start && source[0] != "^", addEnd = source[source.length - 1] != "$";
if (!addStart && !addEnd)
return expr;
return new RegExp(`${addStart ? "^" : ""}(?:${source})${addEnd ? "$" : ""}`, (_a = expr.flags) !== null && _a !== void 0 ? _a : (expr.ignoreCase ? "i" : ""));
}
const pickedCompletion = Annotation.define();
function insertCompletionText(state, text, from, to) {
let { main } = state.selection, fromOff = from - main.from, toOff = to - main.from;
return {
...state.changeByRange(range => {
if (range != main && from != to &&
state.sliceDoc(range.from + fromOff, range.from + toOff) != state.sliceDoc(from, to))
return { range };
let lines = state.toText(text);
return {
changes: { from: range.from + fromOff, to: to == main.from ? range.to : range.from + toOff, insert: lines },
range: EditorSelection.cursor(range.from + fromOff + lines.length)
};
}),
scrollIntoView: true,
userEvent: "input.complete"
};
}
const SourceCache = new WeakMap();
function asSource(source) {
if (!Array.isArray(source))
return source;
let known = SourceCache.get(source);
if (!known)
SourceCache.set(source, known = completeFromList(source));
return known;
}
const startCompletionEffect = StateEffect.define();
const closeCompletionEffect = StateEffect.define();
class FuzzyMatcher {
constructor(pattern) {
this.pattern = pattern;
this.chars = [];
this.folded = [];
this.any = [];
this.precise = [];
this.byWord = [];
this.score = 0;
this.matched = [];
for (let p = 0; p < pattern.length;) {
let char = codePointAt(pattern, p), size = codePointSize(char);
this.chars.push(char);
let part = pattern.slice(p, p + size), upper = part.toUpperCase();
this.folded.push(codePointAt(upper == part ? part.toLowerCase() : upper, 0));
p += size;
}
this.astral = pattern.length != this.chars.length;
}
ret(score, matched) {
this.score = score;
this.matched = matched;
return this;
}
match(word) {
if (this.pattern.length == 0)
return this.ret(-100 , []);
if (word.length < this.pattern.length)
return null;
let { chars, folded, any, precise, byWord } = this;
if (chars.length == 1) {
let first = codePointAt(word, 0), firstSize = codePointSize(first);
let score = firstSize == word.length ? 0 : -100 ;
if (first == chars[0]) ;
else if (first == folded[0])
score += -200 ;
else
return null;
return this.ret(score, [0, firstSize]);
}
let direct = word.indexOf(this.pattern);
if (direct == 0)
return this.ret(word.length == this.pattern.length ? 0 : -100 , [0, this.pattern.length]);
let len = chars.length, anyTo = 0;
if (direct < 0) {
for (let i = 0, e = Math.min(word.length, 200); i < e && anyTo < len;) {
let next = codePointAt(word, i);
if (next == chars[anyTo] || next == folded[anyTo])
any[anyTo++] = i;
i += codePointSize(next);
}
if (anyTo < len)
return null;
}
let preciseTo = 0;
let byWordTo = 0, byWordFolded = false;
let adjacentTo = 0, adjacentStart = -1, adjacentEnd = -1;
let hasLower = /[a-z]/.test(word), wordAdjacent = true;
for (let i = 0, e = Math.min(word.length, 200), prevType = 0 ; i < e && byWordTo < len;) {
let next = codePointAt(word, i);
if (direct < 0) {
if (preciseTo < len && next == chars[preciseTo])
precise[preciseTo++] = i;
if (adjacentTo < len) {
if (next == chars[adjacentTo] || next == folded[adjacentTo]) {
if (adjacentTo == 0)
adjacentStart = i;
adjacentEnd = i + 1;
adjacentTo++;
}
else {
adjacentTo = 0;
}
}
}
let ch, type = next < 0xff
? (next >= 48 && next <= 57 || next >= 97 && next <= 122 ? 2 : next >= 65 && next <= 90 ? 1 : 0 )
: ((ch = fromCodePoint(next)) != ch.toLowerCase() ? 1 : ch != ch.toUpperCase() ? 2 : 0 );
if (!i || type == 1 && hasLower || prevType == 0 && type != 0 ) {
if (chars[byWordTo] == next || (folded[byWordTo] == next && (byWordFolded = true)))
byWord[byWordTo++] = i;
else if (byWord.length)
wordAdjacent = false;
}
prevType = type;
i += codePointSize(next);
}
if (byWordTo == len && byWord[0] == 0 && wordAdjacent)
return this.result(-100 + (byWordFolded ? -200 : 0), byWord, word);
if (adjacentTo == len && adjacentStart == 0)
return this.ret(-200 - word.length + (adjacentEnd == word.length ? 0 : -100 ), [0, adjacentEnd]);
if (direct > -1)
return this.ret(-700 - word.length, [direct, direct + this.pattern.length]);
if (adjacentTo == len)
return this.ret(-200 + -700 - word.length, [adjacentStart, adjacentEnd]);
if (byWordTo == len)
return this.result(-100 + (byWordFolded ? -200 : 0) + -700 +
(wordAdjacent ? 0 : -1100 ), byWord, word);
return chars.length == 2 ? null
: this.result((any[0] ? -700 : 0) + -200 + -1100 , any, word);
}
result(score, positions, word) {
let result = [], i = 0;
for (let pos of positions) {
let to = pos + (this.astral ? codePointSize(codePointAt(word, pos)) : 1);
if (i && result[i - 1] == pos)
result[i - 1] = to;
else {
result[i++] = pos;
result[i++] = to;
}
}
return this.ret(score - word.length, result);
}
}
class StrictMatcher {
constructor(pattern) {
this.pattern = pattern;
this.matched = [];
this.score = 0;
this.folded = pattern.toLowerCase();
}
match(word) {
if (word.length < this.pattern.length)
return null;
let start = word.slice(0, this.pattern.length);
let match = start == this.pattern ? 0 : start.toLowerCase() == this.folded ? -200 : null;
if (match == null)
return null;
this.matched = [0, start.length];
this.score = match + (word.length == this.pattern.length ? 0 : -100 );
return this;
}
}
const completionConfig = Facet.define({
combine(configs) {
return combineConfig(configs, {
activateOnTyping: true,
activateOnCompletion: () => false,
activateOnTypingDelay: 100,
selectOnOpen: true,
override: null,
closeOnBlur: true,
maxRenderedOptions: 100,
defaultKeymap: true,
tooltipClass: () => "",
optionClass: () => "",
aboveCursor: false,
icons: true,
addToOptions: [],
positionInfo: defaultPositionInfo,
filterStrict: false,
compareCompletions: (a, b) => (a.sortText || a.label).localeCompare(b.sortText || b.label),
interactionDelay: 75,
updateSyncTime: 100
}, {
defaultKeymap: (a, b) => a && b,
closeOnBlur: (a, b) => a && b,
icons: (a, b) => a && b,
tooltipClass: (a, b) => c => joinClass(a(c), b(c)),
optionClass: (a, b) => c => joinClass(a(c), b(c)),
addToOptions: (a, b) => a.concat(b),
filterStrict: (a, b) => a || b,
});
}
});
function joinClass(a, b) {
return a ? b ? a + " " + b : a : b;
}
function defaultPositionInfo(view, list, option, info, space, tooltip) {
let rtl = view.textDirection == Direction.RTL, left = rtl, narrow = false;
let side = "top", offset, maxWidth;
let spaceLeft = list.left - space.left, spaceRight = space.right - list.right;
let infoWidth = info.right - info.left, infoHeight = info.bottom - info.top;
if (left && spaceLeft < Math.min(infoWidth, spaceRight))
left = false;
else if (!left && spaceRight < Math.min(infoWidth, spaceLeft))
left = true;
if (infoWidth <= (left ? spaceLeft : spaceRight)) {
offset = Math.max(space.top, Math.min(option.top, space.bottom - infoHeight)) - list.top;
maxWidth = Math.min(400 , left ? spaceLeft : spaceRight);
}
else {
narrow = true;
maxWidth = Math.min(400 , (rtl ? list.right : space.right - list.left) - 30 );
let spaceBelow = space.bottom - list.bottom;
if (spaceBelow >= infoHeight || spaceBelow > list.top) {
offset = option.bottom - list.top;
}
else {
side = "bottom";
offset = list.bottom - option.top;
}
}
let scaleY = (list.bottom - list.top) / tooltip.offsetHeight;
let scaleX = (list.right - list.left) / tooltip.offsetWidth;
return {
style: `${side}: ${offset / scaleY}px; max-width: ${maxWidth / scaleX}px`,
class: "cm-completionInfo-" + (narrow ? (rtl ? "left-narrow" : "right-narrow") : left ? "left" : "right")
};
}
function optionContent(config) {
let content = config.addToOptions.slice();
if (config.icons)
content.push({
render(completion) {
let icon = document.createElement("div");
icon.classList.add("cm-completionIcon");
if (completion.type)
icon.classList.add(...completion.type.split(/\s+/g).map(cls => "cm-completionIcon-" + cls));
icon.setAttribute("aria-hidden", "true");
return icon;
},
position: 20
});
content.push({
render(completion, _s, _v, match) {
let labelElt = document.createElement("span");
labelElt.className = "cm-completionLabel";
let label = completion.displayLabel || completion.label, off = 0;
for (let j = 0; j < match.length;) {
let from = match[j++], to = match[j++];
if (from > off)
labelElt.appendChild(document.createTextNode(label.slice(off, from)));
let span = labelElt.appendChild(document.createElement("span"));
span.appendChild(document.createTextNode(label.slice(from, to)));
span.className = "cm-completionMatchedText";
off = to;
}
if (off < label.length)
labelElt.appendChild(document.createTextNode(label.slice(off)));
return labelElt;
},
position: 50
}, {
render(completion) {
if (!completion.detail)
return null;
let detailElt = document.createElement("span");
detailElt.className = "cm-completionDetail";
detailElt.textContent = completion.detail;
return detailElt;
},
position: 80
});
return content.sort((a, b) => a.position - b.position).map(a => a.render);
}
function rangeAroundSelected(total, selected, max) {
if (total <= max)
return { from: 0, to: total };
if (selected < 0)
selected = 0;
if (selected <= (total >> 1)) {
let off = Math.floor(selected / max);
return { from: off * max, to: (off + 1) * max };
}
let off = Math.floor((total - selected) / max);
return { from: total - (off + 1) * max, to: total - off * max };
}
class CompletionTooltip {
constructor(view, stateField, applyCompletion) {
this.view = view;
this.stateField = stateField;
this.applyCompletion = applyCompletion;
this.info = null;
this.infoDestroy = null;
this.placeInfoReq = {
read: () => this.measureInfo(),
write: (pos) => this.placeInfo(pos),
key: this
};
this.space = null;
this.currentClass = "";
let cState = view.state.field(stateField);
let { options, selected } = cState.open;
let config = view.state.facet(completionConfig);
this.optionContent = optionContent(config);
this.optionClass = config.optionClass;
this.tooltipClass = config.tooltipClass;
this.range = rangeAroundSelected(options.length, selected, config.maxRenderedOptions);
this.dom = document.createElement("div");
this.dom.className = "cm-tooltip-autocomplete";
this.updateTooltipClass(view.state);
this.dom.addEventListener("mousedown", (e) => {
let { options } = view.state.field(stateField).open;
for (let dom = e.target, match; dom && dom != this.dom; dom = dom.parentNode) {
if (dom.nodeName == "LI" && (match = /-(\d+)$/.exec(dom.id)) && +match[1] < options.length) {
this.applyCompletion(view, options[+match[1]]);
e.preventDefault();
return;
}
}
});
this.dom.addEventListener("focusout", (e) => {
let state = view.state.field(this.stateField, false);
if (state && state.tooltip && view.state.facet(completionConfig).closeOnBlur &&
e.relatedTarget != view.contentDOM)
view.dispatch({ effects: closeCompletionEffect.of(null) });
});
this.showOptions(options, cState.id);
}
mount() { this.updateSel(); }
showOptions(options, id) {
if (this.list)
this.list.remove();
this.list = this.dom.appendChild(this.createListBox(options, id, this.range));
this.list.addEventListener("scroll", () => {
if (this.info)
this.view.requestMeasure(this.placeInfoReq);
});
}
update(update) {
var _a;
let cState = update.state.field(this.stateField);
let prevState = update.startState.field(this.stateField);
this.updateTooltipClass(update.state);
if (cState != prevState) {
let { options, selected, disabled } = cState.open;
if (!prevState.open || prevState.open.options != options) {
this.range = rangeAroundSelected(options.length, selected, update.state.facet(completionConfig).maxRenderedOptions);
this.showOptions(options, cState.id);
}
this.updateSel();
if (disabled != ((_a = prevState.open) === null || _a === void 0 ? void 0 : _a.disabled))
this.dom.classList.toggle("cm-tooltip-autocomplete-disabled", !!disabled);
}
}
updateTooltipClass(state) {
let cls = this.tooltipClass(state);
if (cls != this.currentClass) {
for (let c of this.currentClass.split(" "))
if (c)
this.dom.classList.remove(c);
for (let c of cls.split(" "))
if (c)
this.dom.classList.add(c);
this.currentClass = cls;
}
}
positioned(space) {
this.space = space;
if (this.info)
this.view.requestMeasure(this.placeInfoReq);
}
updateSel() {
let cState = this.view.state.field(this.stateField), open = cState.open;
if (open.selected > -1 && open.selected < this.range.from || open.selected >= this.range.to) {
this.range = rangeAroundSelected(open.options.length, open.selected, this.view.state.facet(completionConfig).maxRenderedOptions);
this.showOptions(open.options, cState.id);
}
let newSel = this.updateSelectedOption(open.selected);
if (newSel) {
this.destroyInfo();
let { completion } = open.options[open.selected];
let { info } = completion;
if (!info)
return;
let infoResult = typeof info === "string" ? document.createTextNode(info) : info(completion);
if (!infoResult)
return;
if ("then" in infoResult) {
infoResult.then(obj => {
if (obj && this.view.state.field(this.stateField, false) == cState)
this.addInfoPane(obj, completion);
}).catch(e => logException(this.view.state, e, "completion info"));
}
else {
this.addInfoPane(infoResult, completion);
newSel.setAttribute("aria-describedby", this.info.id);
}
}
}
addInfoPane(content, completion) {
this.destroyInfo();
let wrap = this.info = document.createElement("div");
wrap.className = "cm-tooltip cm-completionInfo";
wrap.id = "cm-completionInfo-" + Math.floor(Math.random() * 0xffff).toString(16);
if (content.nodeType != null) {
wrap.appendChild(content);
this.infoDestroy = null;
}
else {
let { dom, destroy } = content;
wrap.appendChild(dom);
this.infoDestroy = destroy || null;
}
this.dom.appendChild(wrap);
this.view.requestMeasure(this.placeInfoReq);
}
updateSelectedOption(selected) {
let set = null;
for (let opt = this.list.firstChild, i = this.range.from; opt; opt = opt.nextSibling, i++) {
if (opt.nodeName != "LI" || !opt.id) {
i--;
}
else if (i == selected) {
if (!opt.hasAttribute("aria-selected")) {
opt.setAttribute("aria-selected", "true");
set = opt;
}
}
else {
if (opt.hasAttribute("aria-selected")) {
opt.removeAttribute("aria-selected");
opt.removeAttribute("aria-describedby");
}
}
}
if (set)
scrollIntoView(this.list, set);
return set;
}
measureInfo() {
let sel = this.dom.querySelector("[aria-selected]");
if (!sel || !this.info)
return null;
let listRect = this.dom.getBoundingClientRect();
let infoRect = this.info.getBoundingClientRect();
let selRect = sel.getBoundingClientRect();
let space = this.space;
if (!space) {
let docElt = this.dom.ownerDocument.documentElement;
space = { left: 0, top: 0, right: docElt.clientWidth, bottom: docElt.clientHeight };
}
if (selRect.top > Math.min(space.bottom, listRect.bottom) - 10 ||
selRect.bottom < Math.max(space.top, listRect.top) + 10)
return null;
return this.view.state.facet(completionConfig).positionInfo(this.view, listRect, selRect, infoRect, space, this.dom);
}
placeInfo(pos) {
if (this.info) {
if (pos) {
if (pos.style)
this.info.style.cssText = pos.style;
this.info.className = "cm-tooltip cm-completionInfo " + (pos.class || "");
}
else {
this.info.style.cssText = "top: -1e6px";
}
}
}
createListBox(options, id, range) {
const ul = document.createElement("ul");
ul.id = id;
ul.setAttribute("role", "listbox");
ul.setAttribute("aria-expanded", "true");
ul.setAttribute("aria-label", this.view.state.phrase("Completions"));
ul.addEventListener("mousedown", e => {
if (e.target == ul)
e.preventDefault();
});
let curSection = null;
for (let i = range.from; i < range.to; i++) {
let { completion, match } = options[i], { section } = completion;
if (section) {
let name = typeof section == "string" ? section : section.name;
if (name != curSection && (i > range.from || range.from == 0)) {
curSection = name;
if (typeof section != "string" && section.header) {
ul.appendChild(section.header(section));
}
else {
let header = ul.appendChild(document.createElement("completion-section"));
header.textContent = name;
}
}
}
const li = ul.appendChild(document.createElement("li"));
li.id = id + "-" + i;
li.setAttribute("role", "option");
let cls = this.optionClass(completion);
if (cls)
li.className = cls;
for (let source of this.optionContent) {
let node = source(completion, this.view.state, this.view, match);
if (node)
li.appendChild(node);
}
}
if (range.from)
ul.classList.add("cm-completionListIncompleteTop");
if (range.to < options.length)
ul.classList.add("cm-completionListIncompleteBottom");
return ul;
}
destroyInfo() {
if (this.info) {
if (this.infoDestroy)
this.infoDestroy();
this.info.remove();
this.info = null;
}
}
destroy() {
this.destroyInfo();
}
}
function completionTooltip(stateField, applyCompletion) {
return (view) => new CompletionTooltip(view, stateField, applyCompletion);
}
function scrollIntoView(container, element) {
let parent = container.getBoundingClientRect();
let self = element.getBoundingClientRect();
let scaleY = parent.height / container.offsetHeight;
if (self.top < parent.top)
container.scrollTop -= (parent.top - self.top) / scaleY;
else if (self.bottom > parent.bottom)
container.scrollTop += (self.bottom - parent.bottom) / scaleY;
}
function score(option) {
return (option.boost || 0) * 100 + (option.apply ? 10 : 0) + (option.info ? 5 : 0) +
(option.type ? 1 : 0);
}
function sortOptions(active, state) {
let options = [];
let sections = null, dynamicSectionScore = null;
let addOption = (option) => {
options.push(option);
let { section } = option.completion;
if (section) {
if (!sections)
sections = [];
let name = typeof section == "string" ? section : section.name;
if (!sections.some(s => s.name == name))
sections.push(typeof section == "string" ? { name } : section);
}
};
let conf = state.facet(completionConfig);
for (let a of active)
if (a.hasResult()) {
let getMatch = a.result.getMatch;
if (a.result.filter === false) {
for (let option of a.result.options) {
addOption(new Option(option, a.source, getMatch ? getMatch(option) : [], 1e9 - options.length));
}
}
else {
let pattern = state.sliceDoc(a.from, a.to), match;
let matcher = conf.filterStrict ? new StrictMatcher(pattern) : new FuzzyMatcher(pattern);
for (let option of a.result.options)
if (match = matcher.match(option.label)) {
let matched = !option.displayLabel ? match.matched : getMatch ? getMatch(option, match.matched) : [];
let score = match.score + (option.boost || 0);
addOption(new Option(option, a.source, matched, score));
if (typeof option.section == "object" && option.section.rank === "dynamic") {
let { name } = option.section;
if (!dynamicSectionScore)
dynamicSectionScore = Object.create(null);
dynamicSectionScore[name] = Math.max(score, dynamicSectionScore[name] || -1e9);
}
}
}
}
if (sections) {
let sectionOrder = Object.create(null), pos = 0;
let cmp = (a, b) => {
return (a.rank === "dynamic" && b.rank === "dynamic" ? dynamicSectionScore[b.name] - dynamicSectionScore[a.name] : 0) ||
(typeof a.rank == "number" ? a.rank : 1e9) - (typeof b.rank == "number" ? b.rank : 1e9) ||
(a.name < b.name ? -1 : 1);
};
for (let s of sections.sort(cmp)) {
pos -= 1e5;
sectionOrder[s.name] = pos;
}
for (let option of options) {
let { section } = option.completion;
if (section)
option.score += sectionOrder[typeof section == "string" ? section : section.name];
}
}
let result = [], prev = null;
let compare = conf.compareCompletions;
for (let opt of options.sort((a, b) => (b.score - a.score) || compare(a.completion, b.completion))) {
let cur = opt.completion;
if (!prev || prev.label != cur.label || prev.detail != cur.detail ||
(prev.type != null && cur.type != null && prev.type != cur.type) ||
prev.apply != cur.apply || prev.boost != cur.boost)
result.push(opt);
else if (score(opt.completion) > score(prev))
result[result.length - 1] = opt;
prev = opt.completion;
}
return result;
}
class CompletionDialog {
constructor(options, attrs, tooltip, timestamp, selected, disabled) {
this.options = options;
this.attrs = attrs;
this.tooltip = tooltip;
this.timestamp = timestamp;
this.selected = selected;
this.disabled = disabled;
}
setSelected(selected, id) {
return selected == this.selected || selected >= this.options.length ? this
: new CompletionDialog(this.options, makeAttrs(id, selected), this.tooltip, this.timestamp, selected, this.disabled);
}
static build(active, state, id, prev, conf, didSetActive) {
if (prev && !didSetActive && active.some(s => s.isPending))
return prev.setDisabled();
let options = sortOptions(active, state);
if (!options.length)
return prev && active.some(a => a.isPending) ? prev.setDisabled() : null;
let selected = state.facet(completionConfig).selectOnOpen ? 0 : -1;
if (prev && prev.selected != selected && prev.selected != -1) {
let selectedValue = prev.options[prev.selected].completion;
for (let i = 0; i < options.length; i++)
if (options[i].completion == selectedValue) {
selected = i;
break;
}
}
return new CompletionDialog(options, makeAttrs(id, selected), {
pos: active.reduce((a, b) => b.hasResult() ? Math.min(a, b.from) : a, 1e8),
create: createTooltip,
above: conf.aboveCursor,
}, prev ? prev.timestamp : Date.now(), selected, false);
}
map(changes) {
return new CompletionDialog(this.options, this.attrs, { ...this.tooltip, pos: changes.mapPos(this.tooltip.pos) }, this.timestamp, this.selected, this.disabled);
}
setDisabled() {
return new CompletionDialog(this.options, this.attrs, this.tooltip, this.timestamp, this.selected, true);
}
}
class CompletionState {
constructor(active, id, open) {
this.active = active;
this.id = id;
this.open = open;
}
static start() {
return new CompletionState(none$1, "cm-ac-" + Math.floor(Math.random() * 2e6).toString(36), null);
}
update(tr) {
let { state } = tr, conf = state.facet(completionConfig);
let sources = conf.override ||
state.languageDataAt("autocomplete", cur(state)).map(asSource);
let active = sources.map(source => {
let value = this.active.find(s => s.source == source) ||
new ActiveSource(source, this.active.some(a => a.state != 0 ) ? 1 : 0 );
return value.update(tr, conf);
});
if (active.length == this.active.length && active.every((a, i) => a == this.active[i]))
active = this.active;
let open = this.open, didSet = tr.effects.some(e => e.is(setActiveEffect));
if (open && tr.docChanged)
open = open.map(tr.changes);
if (tr.selection || active.some(a => a.hasResult() && tr.changes.touchesRange(a.from, a.to)) ||
!sameResults(active, this.active) || didSet)
open = CompletionDialog.build(active, state, this.id, open, conf, didSet);
else if (open && open.disabled && !active.some(a => a.isPending))
open = null;
if (!open && active.every(a => !a.isPending) && active.some(a => a.hasResult()))
active = active.map(a => a.hasResult() ? new ActiveSource(a.source, 0 ) : a);
for (let effect of tr.effects)
if (effect.is(setSelectedEffect))
open = open && open.setSelected(effect.value, this.id);
return active == this.active && open == this.open ? this : new CompletionState(active, this.id, open);
}
get tooltip() { return this.open ? this.open.tooltip : null; }
get attrs() { return this.open ? this.open.attrs : this.active.length ? baseAttrs : noAttrs; }
}
function sameResults(a, b) {
if (a == b)
return true;
for (let iA = 0, iB = 0;;) {
while (iA < a.length && !a[iA].hasResult())
iA++;
while (iB < b.length && !b[iB].hasResult())
iB++;
let endA = iA == a.length, endB = iB == b.length;
if (endA || endB)
return endA == endB;
if (a[iA++].result != b[iB++].result)
return false;
}
}
const baseAttrs = {
"aria-autocomplete": "list"
};
const noAttrs = {};
function makeAttrs(id, selected) {
let result = {
"aria-autocomplete": "list",
"aria-haspopup": "listbox",
"aria-controls": id
};
if (selected > -1)
result["aria-activedescendant"] = id + "-" + selected;
return result;
}
const none$1 = [];
function getUpdateType(tr, conf) {
if (tr.isUserEvent("input.complete")) {
let completion = tr.annotation(pickedCompletion);
if (completion && conf.activateOnCompletion(completion))
return 4 | 8 ;
}
let typing = tr.isUserEvent("input.type");
return typing && conf.activateOnTyping ? 4 | 1
: typing ? 1
: tr.isUserEvent("delete.backward") ? 2
: tr.selection ? 8
: tr.docChanged ? 16 : 0 ;
}
class ActiveSource {
constructor(source, state, explicit = false) {
this.source = source;
this.state = state;
this.explicit = explicit;
}
hasResult() { return false; }
get isPending() { return this.state == 1 ; }
update(tr, conf) {
let type = getUpdateType(tr, conf), value = this;
if ((type & 8 ) || (type & 16 ) && this.touches(tr))
value = new ActiveSource(value.source, 0 );
if ((type & 4 ) && value.state == 0 )
value = new ActiveSource(this.source, 1 );
value = value.updateFor(tr, type);
for (let effect of tr.effects) {
if (effect.is(startCompletionEffect))
value = new ActiveSource(value.source, 1 , effect.value);
else if (effect.is(closeCompletionEffect))
value = new ActiveSource(value.source, 0 );
else if (effect.is(setActiveEffect))
for (let active of effect.value)
if (active.source == value.source)
value = active;
}
return value;
}
updateFor(tr, type) { return this.map(tr.changes); }
map(changes) { return this; }
touches(tr) {
return tr.changes.touchesRange(cur(tr.state));
}
}
class ActiveResult extends ActiveSource {
constructor(source, explicit, limit, result, from, to) {
super(source, 3 , explicit);
this.limit = limit;
this.result = result;
this.from = from;
this.to = to;
}
hasResult() { return true; }
updateFor(tr, type) {
var _a;
if (!(type & 3 ))
return this.map(tr.changes);
let result = this.result;
if (result.map && !tr.changes.empty)
result = result.map(result, tr.changes);
let from = tr.changes.mapPos(this.from), to = tr.changes.mapPos(this.to, 1);
let pos = cur(tr.state);
if (pos > to || !result ||
(type & 2 ) && (cur(tr.startState) == this.from || pos < this.limit))
return new ActiveSource(this.source, type & 4 ? 1 : 0 );
let limit = tr.changes.mapPos(this.limit);
if (checkValid(result.validFor, tr.state, from, to))
return new ActiveResult(this.source, this.explicit, limit, result, from, to);
if (result.update &&
(result = result.update(result, from, to, new CompletionContext(tr.state, pos, false))))
return new ActiveResult(this.source, this.explicit, limit, result, result.from, (_a = result.to) !== null && _a !== void 0 ? _a : cur(tr.state));
return new ActiveSource(this.source, 1 , this.explicit);
}
map(mapping) {
if (mapping.empty)
return this;
let result = this.result.map ? this.result.map(this.result, mapping) : this.result;
if (!result)
return new ActiveSource(this.source, 0 );
return new ActiveResult(this.source, this.explicit, mapping.mapPos(this.limit), this.result, mapping.mapPos(this.from), mapping.mapPos(this.to, 1));
}
touches(tr) {
return tr.changes.touchesRange(this.from, this.to);
}
}
function checkValid(validFor, state, from, to) {
if (!validFor)
return false;
let text = state.sliceDoc(from, to);
return typeof validFor == "function" ? validFor(text, from, to, state) : ensureAnchor(validFor, true).test(text);
}
const setActiveEffect = StateEffect.define({
map(sources, mapping) { return sources.map(s => s.map(mapping)); }
});
const setSelectedEffect = StateEffect.define();
const completionState = StateField.define({
create() { return CompletionState.start(); },
update(value, tr) { return value.update(tr); },
provide: f => [
showTooltip.from(f, val => val.tooltip),
EditorView.contentAttributes.from(f, state => state.attrs)
]
});
function applyCompletion(view, option) {
const apply = option.completion.apply || option.completion.label;
let result = view.state.field(completionState).active.find(a => a.source == option.source);
if (!(result instanceof ActiveResult))
return false;
if (typeof apply == "string")
view.dispatch({
...insertCompletionText(view.state, apply, result.from, result.to),
annotations: pickedCompletion.of(option.completion)
});
else
apply(view, option.completion, result.from, result.to);
return true;
}
const createTooltip = completionTooltip(completionState, applyCompletion);
function moveCompletionSelection(forward, by = "option") {
return (view) => {
let cState = view.state.field(completionState, false);
if (!cState || !cState.open || cState.open.disabled ||
Date.now() - cState.open.timestamp < view.state.facet(completionConfig).interactionDelay)
return false;
let step = 1, tooltip;
if (by == "page" && (tooltip = getTooltip(view, cState.open.tooltip)))
step = Math.max(2, Math.floor(tooltip.dom.offsetHeight /
tooltip.dom.querySelector("li").offsetHeight) - 1);
let { length } = cState.open.options;
let selected = cState.open.selected > -1 ? cState.open.selected + step * (forward ? 1 : -1) : forward ? 0 : length - 1;
if (selected < 0)
selected = by == "page" ? 0 : length - 1;
else if (selected >= length)
selected = by == "page" ? length - 1 : 0;
view.dispatch({ effects: setSelectedEffect.of(selected) });
return true;
};
}
const acceptCompletion = (view) => {
let cState = view.state.field(completionState, false);
if (view.state.readOnly || !cState || !cState.open || cState.open.selected < 0 || cState.open.disabled ||
Date.now() - cState.open.timestamp < view.state.facet(completionConfig).interactionDelay)
return false;
return applyCompletion(view, cState.open.options[cState.open.selected]);
};
const startCompletion = (view) => {
let cState = view.state.field(completionState, false);
if (!cState)
return false;
view.dispatch({ effects: startCompletionEffect.of(true) });
return true;
};
const closeCompletion = (view) => {
let cState = view.state.field(completionState, false);
if (!cState || !cState.active.some(a => a.state != 0 ))
return false;
view.dispatch({ effects: closeCompletionEffect.of(null) });
return true;
};
class RunningQuery {
constructor(active, context) {
this.active = active;
this.context = context;
this.time = Date.now();
this.updates = [];
this.done = undefined;
}
}
const MaxUpdateCount = 50, MinAbortTime = 1000;
ViewPlugin.fromClass(class {
constructor(view) {
this.view = view;
this.debounceUpdate = -1;
this.running = [];
this.debounceAccept = -1;
this.pendingStart = false;
this.composing = 0 ;
for (let active of view.state.field(completionState).active)
if (active.isPending)
this.startQuery(active);
}
update(update) {
let cState = update.state.field(completionState);
let conf = update.state.facet(completionConfig);
if (!update.selectionSet && !update.docChanged && update.startState.field(completionState) == cState)
return;
let doesReset = update.transactions.some(tr => {
let type = getUpdateType(tr, conf);
return (type & 8 ) || (tr.selection || tr.docChanged) && !(type & 3 );
});
for (let i = 0; i < this.running.length; i++) {
let query = this.running[i];
if (doesReset ||
query.context.abortOnDocChange && update.docChanged ||
query.updates.length + update.transactions.length > MaxUpdateCount && Date.now() - query.time > MinAbortTime) {
for (let handler of query.context.abortListeners) {
try {
handler();
}
catch (e) {
logException(this.view.state, e);
}
}
query.context.abortListeners = null;
this.running.splice(i--, 1);
}
else {
query.updates.push(...update.transactions);
}
}
if (this.debounceUpdate > -1)
clearTimeout(this.debounceUpdate);
if (update.transactions.some(tr => tr.effects.some(e => e.is(startCompletionEffect))))
this.pendingStart = true;
let delay = this.pendingStart ? 50 : conf.activateOnTypingDelay;
this.debounceUpdate = cState.active.some(a => a.isPending && !this.running.some(q => q.active.source == a.source))
? setTimeout(() => this.startUpdate(), delay) : -1;
if (this.composing != 0 )
for (let tr of update.transactions) {
if (tr.isUserEvent("input.type"))
this.composing = 2 ;
else if (this.composing == 2 && tr.selection)
this.composing = 3 ;
}
}
startUpdate() {
this.debounceUpdate = -1;
this.pendingStart = false;
let { state } = this.view, cState = state.field(completionState);
for (let active of cState.active) {
if (active.isPending && !this.running.some(r => r.active.source == active.source))
this.startQuery(active);
}
if (this.running.length && cState.open && cState.open.disabled)
this.debounceAccept = setTimeout(() => this.accept(), this.view.state.facet(completionConfig).updateSyncTime);
}
startQuery(active) {
let { state } = this.view, pos = cur(state);
let context = new CompletionContext(state, pos, active.explicit, this.view);
let pending = new RunningQuery(active, context);
this.running.push(pending);
Promise.resolve(active.source(context)).then(result => {
if (!pending.context.aborted) {
pending.done = result || null;
this.scheduleAccept();
}
}, err => {
this.view.dispatch({ effects: closeCompletionEffect.of(null) });
logException(this.view.state, err);
});
}
scheduleAccept() {
if (this.running.every(q => q.done !== undefined))
this.accept();
else if (this.debounceAccept < 0)
this.debounceAccept = setTimeout(() => this.accept(), this.view.state.facet(completionConfig).updateSyncTime);
}
accept() {
var _a;
if (this.debounceAccept > -1)
clearTimeout(this.debounceAccept);
this.debounceAccept = -1;
let updated = [];
let conf = this.view.state.facet(completionConfig), cState = this.view.state.field(completionState);
for (let i = 0; i < this.running.length; i++) {
let query = this.running[i];
if (query.done === undefined)
continue;
this.running.splice(i--, 1);
if (query.done) {
let pos = cur(query.updates.length ? query.updates[0].startState : this.view.state);
let limit = Math.min(pos, query.done.from + (query.active.explicit ? 0 : 1));
let active = new ActiveResult(query.active.source, query.active.explicit, limit, query.done, query.done.from, (_a = query.done.to) !== null && _a !== void 0 ? _a : pos);
for (let tr of query.updates)
active = active.update(tr, conf);
if (active.hasResult()) {
updated.push(active);
continue;
}
}
let current = cState.active.find(a => a.source == query.active.source);
if (current && current.isPending) {
if (query.done == null) {
let active = new ActiveSource(query.active.source, 0 );
for (let tr of query.updates)
active = active.update(tr, conf);
if (!active.isPending)
updated.push(active);
}
else {
this.startQuery(current);
}
}
}
if (updated.length || cState.open && cState.open.disabled)
this.view.dispatch({ effects: setActiveEffect.of(updated) });
}
}, {
eventHandlers: {
blur(event) {
let state = this.view.state.field(completionState, false);
if (state && state.tooltip && this.view.state.facet(completionConfig).closeOnBlur) {
let dialog = state.open && getTooltip(this.view, state.open.tooltip);
if (!dialog || !dialog.dom.contains(event.relatedTarget))
setTimeout(() => this.view.dispatch({ effects: closeCompletionEffect.of(null) }), 10);
}
},
compositionstart() {
this.composing = 1 ;
},
compositionend() {
if (this.composing == 3 ) {
setTimeout(() => this.view.dispatch({ effects: startCompletionEffect.of(false) }), 20);
}
this.composing = 0 ;
}
}
});
const windows = typeof navigator == "object" && /Win/.test(navigator.platform);
Prec.highest(EditorView.domEventHandlers({
keydown(event, view) {
let field = view.state.field(completionState, false);
if (!field || !field.open || field.open.disabled || field.open.selected < 0 ||
event.key.length > 1 || event.ctrlKey && !(windows && event.altKey) || event.metaKey)
return false;
let option = field.open.options[field.open.selected];
let result = field.active.find(a => a.source == option.source);
let commitChars = option.completion.commitCharacters || result.result.commitCharacters;
if (commitChars && commitChars.indexOf(event.key) > -1)
applyCompletion(view, option);
return false;
}
}));
const baseTheme$1 = EditorView.baseTheme({
".cm-tooltip.cm-tooltip-autocomplete": {
"& > ul": {
fontFamily: "monospace",
whiteSpace: "nowrap",
overflow: "hidden auto",
maxWidth_fallback: "700px",
maxWidth: "min(700px, 95vw)",
minWidth: "250px",
maxHeight: "10em",
height: "100%",
listStyle: "none",
margin: 0,
padding: 0,
"& > li, & > completion-section": {
padding: "1px 3px",
lineHeight: 1.2
},
"& > li": {
overflowX: "hidden",
textOverflow: "ellipsis",
cursor: "pointer"
},
"& > completion-section": {
display: "list-item",
borderBottom: "1px solid silver",
paddingLeft: "0.5em",
opacity: 0.7
}
}
},
"&light .cm-tooltip-autocomplete ul li[aria-selected]": {
background: "#17c",
color: "white",
},
"&light .cm-tooltip-autocomplete-disabled ul li[aria-selected]": {
background: "#777",
},
"&dark .cm-tooltip-autocomplete ul li[aria-selected]": {
background: "#347",
color: "white",
},
"&dark .cm-tooltip-autocomplete-disabled ul li[aria-selected]": {
background: "#444",
},
".cm-completionListIncompleteTop:before, .cm-completionListIncompleteBottom:after": {
content: '"···"',
opacity: 0.5,
display: "block",
textAlign: "center"
},
".cm-tooltip.cm-completionInfo": {
position: "absolute",
padding: "3px 9px",
width: "max-content",
maxWidth: `${400 }px`,
boxSizing: "border-box",
whiteSpace: "pre-line"
},
".cm-completionInfo.cm-completionInfo-left": { right: "100%" },
".cm-completionInfo.cm-completionInfo-right": { left: "100%" },
".cm-completionInfo.cm-completionInfo-left-narrow": { right: `${30 }px` },
".cm-completionInfo.cm-completionInfo-right-narrow": { left: `${30 }px` },
"&light .cm-snippetField": { backgroundColor: "#00000022" },
"&dark .cm-snippetField": { backgroundColor: "#ffffff22" },
".cm-snippetFieldPosition": {
verticalAlign: "text-top",
width: 0,
height: "1.15em",
display: "inline-block",
margin: "0 -0.7px -.7em",
borderLeft: "1.4px dotted #888"
},
".cm-completionMatchedText": {
textDecoration: "underline"
},
".cm-completionDetail": {
marginLeft: "0.5em",
fontStyle: "italic"
},
".cm-completionIcon": {
fontSize: "90%",
width: ".8em",
display: "inline-block",
textAlign: "center",
paddingRight: ".6em",
opacity: "0.6",
boxSizing: "content-box"
},
".cm-completionIcon-function, .cm-completionIcon-method": {
"&:after": { content: "'ƒ'" }
},
".cm-completionIcon-class": {
"&:after": { content: "'○'" }
},
".cm-completionIcon-interface": {
"&:after": { content: "'◌'" }
},
".cm-completionIcon-variable": {
"&:after": { content: "'𝑥'" }
},
".cm-completionIcon-constant": {
"&:after": { content: "'𝐶'" }
},
".cm-completionIcon-type": {
"&:after": { content: "'𝑡'" }
},
".cm-completionIcon-enum": {
"&:after": { content: "'∪'" }
},
".cm-completionIcon-property": {
"&:after": { content: "'□'" }
},
".cm-completionIcon-keyword": {
"&:after": { content: "'🔑\uFE0E'" }
},
".cm-completionIcon-namespace": {
"&:after": { content: "'▢'" }
},
".cm-completionIcon-text": {
"&:after": { content: "'abc'", fontSize: "50%", verticalAlign: "middle" }
}
});
class FieldPos {
constructor(field, line, from, to) {
this.field = field;
this.line = line;
this.from = from;
this.to = to;
}
}
class FieldRange {
constructor(field, from, to) {
this.field = field;
this.from = from;
this.to = to;
}
map(changes) {
let from = changes.mapPos(this.from, -1, MapMode.TrackDel);
let to = changes.mapPos(this.to, 1, MapMode.TrackDel);
return from == null || to == null ? null : new FieldRange(this.field, from, to);
}
}
class Snippet {
constructor(lines, fieldPositions) {
this.lines = lines;
this.fieldPositions = fieldPositions;
}
instantiate(state, pos) {
let text = [], lineStart = [pos];
let lineObj = state.doc.lineAt(pos), baseIndent = /^\s*/.exec(lineObj.text)[0];
for (let line of this.lines) {
if (text.length) {
let indent = baseIndent, tabs = /^\t*/.exec(line)[0].length;
for (let i = 0; i < tabs; i++)
indent += state.facet(indentUnit);
lineStart.push(pos + indent.length - tabs);
line = indent + line.slice(tabs);
}
text.push(line);
pos += line.length + 1;
}
let ranges = this.fieldPositions.map(pos => new FieldRange(pos.field, lineStart[pos.line] + pos.from, lineStart[pos.line] + pos.to));
return { text, ranges };
}
static parse(template) {
let fields = [];
let lines = [], positions = [], m;
for (let line of template.split(/\r\n?|\n/)) {
while (m = /[#$]\{(?:(\d+)(?::([^{}]*))?|((?:\\[{}]|[^{}])*))\}/.exec(line)) {
let seq = m[1] ? +m[1] : null, rawName = m[2] || m[3] || "", found = -1;
let name = rawName.replace(/\\[{}]/g, m => m[1]);
for (let i = 0; i < fields.length; i++) {
if (seq != null ? fields[i].seq == seq : name ? fields[i].name == name : false)
found = i;
}
if (found < 0) {
let i = 0;
while (i < fields.length && (seq == null || (fields[i].seq != null && fields[i].seq < seq)))
i++;
fields.splice(i, 0, { seq, name });
found = i;
for (let pos of positions)
if (pos.field >= found)
pos.field++;
}
for (let pos of positions)
if (pos.line == lines.length && pos.from > m.index) {
let snip = m[2] ? 3 + (m[1] || "").length : 2;
pos.from -= snip;
pos.to -= snip;
}
positions.push(new FieldPos(found, lines.length, m.index, m.index + name.length));
line = line.slice(0, m.index) + rawName + line.slice(m.index + m[0].length);
}
line = line.replace(/\\([{}])/g, (_, brace, index) => {
for (let pos of positions)
if (pos.line == lines.length && pos.from > index) {
pos.from--;
pos.to--;
}
return brace;
});
lines.push(line);
}
return new Snippet(lines, positions);
}
}
let fieldMarker = Decoration.widget({ widget: new class extends WidgetType {
toDOM() {
let span = document.createElement("span");
span.className = "cm-snippetFieldPosition";
return span;
}
ignoreEvent() { return false; }
} });
let fieldRange = Decoration.mark({ class: "cm-snippetField" });
class ActiveSnippet {
constructor(ranges, active) {
this.ranges = ranges;
this.active = active;
this.deco = Decoration.set(ranges.map(r => (r.from == r.to ? fieldMarker : fieldRange).range(r.from, r.to)), true);
}
map(changes) {
let ranges = [];
for (let r of this.ranges) {
let mapped = r.map(changes);
if (!mapped)
return null;
ranges.push(mapped);
}
return new ActiveSnippet(ranges, this.active);
}
selectionInsideField(sel) {
return sel.ranges.every(range => this.ranges.some(r => r.field == this.active && r.from <= range.from && r.to >= range.to));
}
}
const setActive = StateEffect.define({
map(value, changes) { return value && value.map(changes); }
});
const moveToField = StateEffect.define();
const snippetState = StateField.define({
create() { return null; },
update(value, tr) {
for (let effect of tr.effects) {
if (effect.is(setActive))
return effect.value;
if (effect.is(moveToField) && value)
return new ActiveSnippet(value.ranges, effect.value);
}
if (value && tr.docChanged)
value = value.map(tr.changes);
if (value && tr.selection && !value.selectionInsideField(tr.selection))
value = null;
return value;
},
provide: f => EditorView.decorations.from(f, val => val ? val.deco : Decoration.none)
});
function fieldSelection(ranges, field) {
return EditorSelection.create(ranges.filter(r => r.field == field).map(r => EditorSelection.range(r.from, r.to)));
}
function snippet(template) {
let snippet = Snippet.parse(template);
return (editor, completion, from, to) => {
let { text, ranges } = snippet.instantiate(editor.state, from);
let { main } = editor.state.selection;
let spec = {
changes: { from, to: to == main.from ? main.to : to, insert: Text.of(text) },
scrollIntoView: true,
annotations: completion ? [pickedCompletion.of(completion), Transaction.userEvent.of("input.complete")] : undefined
};
if (ranges.length)
spec.selection = fieldSelection(ranges, 0);
if (ranges.some(r => r.field > 0)) {
let active = new ActiveSnippet(ranges, 0);
let effects = spec.effects = [setActive.of(active)];
if (editor.state.field(snippetState, false) === undefined)
effects.push(StateEffect.appendConfig.of([snippetState, addSnippetKeymap, snippetPointerHandler, baseTheme$1]));
}
editor.dispatch(editor.state.update(spec));
};
}
function moveField(dir) {
return ({ state, dispatch }) => {
let active = state.field(snippetState, false);
if (!active || dir < 0 && active.active == 0)
return false;
let next = active.active + dir, last = dir > 0 && !active.ranges.some(r => r.field == next + dir);
dispatch(state.update({
selection: fieldSelection(active.ranges, next),
effects: setActive.of(last ? null : new ActiveSnippet(active.ranges, next)),
scrollIntoView: true
}));
return true;
};
}
const clearSnippet = ({ state, dispatch }) => {
let active = state.field(snippetState, false);
if (!active)
return false;
dispatch(state.update({ effects: setActive.of(null) }));
return true;
};
const nextSnippetField = moveField(1);
const prevSnippetField = moveField(-1);
const defaultSnippetKeymap = [
{ key: "Tab", run: nextSnippetField, shift: prevSnippetField },
{ key: "Escape", run: clearSnippet }
];
const snippetKeymap = Facet.define({
combine(maps) { return maps.length ? maps[0] : defaultSnippetKeymap; }
});
const addSnippetKeymap = Prec.highest(keymap.compute([snippetKeymap], state => state.facet(snippetKeymap)));
function snippetCompletion(template, completion) {
return { ...completion, apply: snippet(template) };
}
const snippetPointerHandler = EditorView.domEventHandlers({
mousedown(event, view) {
let active = view.state.field(snippetState, false), pos;
if (!active || (pos = view.posAtCoords({ x: event.clientX, y: event.clientY })) == null)
return false;
let match = active.ranges.find(r => r.from <= pos && r.to >= pos);
if (!match || match.field == active.active)
return false;
view.dispatch({
selection: fieldSelection(active.ranges, match.field),
effects: setActive.of(active.ranges.some(r => r.field > match.field)
? new ActiveSnippet(active.ranges, match.field) : null),
scrollIntoView: true
});
return true;
}
});
const defaults = {
brackets: ["(", "[", "{", "'", '"'],
before: ")]}:;>",
stringPrefixes: []
};
const closeBracketEffect = StateEffect.define({
map(value, mapping) {
let mapped = mapping.mapPos(value, -1, MapMode.TrackAfter);
return mapped == null ? undefined : mapped;
}
});
const closedBracket = new class extends RangeValue {
};
closedBracket.startSide = 1;
closedBracket.endSide = -1;
const bracketState = StateField.define({
create() { return RangeSet.empty; },
update(value, tr) {
value = value.map(tr.changes);
if (tr.selection) {
let line = tr.state.doc.lineAt(tr.selection.main.head);
value = value.update({ filter: from => from >= line.from && from <= line.to });
}
for (let effect of tr.effects)
if (effect.is(closeBracketEffect))
value = value.update({ add: [closedBracket.range(effect.value, effect.value + 1)] });
return value;
}
});
const definedClosing = "()[]{}<>«»»«［］｛｝";
function closing(ch) {
for (let i = 0; i < definedClosing.length; i += 2)
if (definedClosing.charCodeAt(i) == ch)
return definedClosing.charAt(i + 1);
return fromCodePoint(ch < 128 ? ch : ch + 1);
}
function config(state, pos) {
return state.languageDataAt("closeBrackets", pos)[0] || defaults;
}
const android$1 = typeof navigator == "object" && /Android\b/.test(navigator.userAgent);
EditorView.inputHandler.of((view, from, to, insert) => {
if ((android$1 ? view.composing : view.compositionStarted) || view.state.readOnly)
return false;
let sel = view.state.selection.main;
if (insert.length > 2 || insert.length == 2 && codePointSize(codePointAt(insert, 0)) == 1 ||
from != sel.from || to != sel.to)
return false;
let tr = insertBracket(view.state, insert);
if (!tr)
return false;
view.dispatch(tr);
return true;
});
function insertBracket(state, bracket) {
let conf = config(state, state.selection.main.head);
let tokens = conf.brackets || defaults.brackets;
for (let tok of tokens) {
let closed = closing(codePointAt(tok, 0));
if (bracket == tok)
return closed == tok ? handleSame(state, tok, tokens.indexOf(tok + tok + tok) > -1, conf)
: handleOpen(state, tok, closed, conf.before || defaults.before);
if (bracket == closed && closedBracketAt(state, state.selection.main.from))
return handleClose(state, tok, closed);
}
return null;
}
function closedBracketAt(state, pos) {
let found = false;
state.field(bracketState).between(0, state.doc.length, from => {
if (from == pos)
found = true;
});
return found;
}
function nextChar(doc, pos) {
let next = doc.sliceString(pos, pos + 2);
return next.slice(0, codePointSize(codePointAt(next, 0)));
}
function handleOpen(state, open, close, closeBefore) {
let dont = null, changes = state.changeByRange(range => {
if (!range.empty)
return { changes: [{ insert: open, from: range.from }, { insert: close, from: range.to }],
effects: closeBracketEffect.of(range.to + open.length),
range: EditorSelection.range(range.anchor + open.length, range.head + open.length) };
let next = nextChar(state.doc, range.head);
if (!next || /\s/.test(next) || closeBefore.indexOf(next) > -1)
return { changes: { insert: open + close, from: range.head },
effects: closeBracketEffect.of(range.head + open.length),
range: EditorSelection.cursor(range.head + open.length) };
return { range: dont = range };
});
return dont ? null : state.update(changes, {
scrollIntoView: true,
userEvent: "input.type"
});
}
function handleClose(state, _open, close) {
let dont = null, changes = state.changeByRange(range => {
if (range.empty && nextChar(state.doc, range.head) == close)
return { changes: { from: range.head, to: range.head + close.length, insert: close },
range: EditorSelection.cursor(range.head + close.length) };
return dont = { range };
});
return dont ? null : state.update(changes, {
scrollIntoView: true,
userEvent: "input.type"
});
}
function handleSame(state, token, allowTriple, config) {
let stringPrefixes = config.stringPrefixes || defaults.stringPrefixes;
let dont = null, changes = state.changeByRange(range => {
if (!range.empty)
return { changes: [{ insert: token, from: range.from }, { insert: token, from: range.to }],
effects: closeBracketEffect.of(range.to + token.length),
range: EditorSelection.range(range.anchor + token.length, range.head + token.length) };
let pos = range.head, next = nextChar(state.doc, pos), start;
if (next == token) {
if (nodeStart(state, pos)) {
return { changes: { insert: token + token, from: pos },
effects: closeBracketEffect.of(pos + token.length),
range: EditorSelection.cursor(pos + token.length) };
}
else if (closedBracketAt(state, pos)) {
let isTriple = allowTriple && state.sliceDoc(pos, pos + token.length * 3) == token + token + token;
let content = isTriple ? token + token + token : token;
return { changes: { from: pos, to: pos + content.length, insert: content },
range: EditorSelection.cursor(pos + content.length) };
}
}
else if (allowTriple && state.sliceDoc(pos - 2 * token.length, pos) == token + token &&
(start = canStartStringAt(state, pos - 2 * token.length, stringPrefixes)) > -1 &&
nodeStart(state, start)) {
return { changes: { insert: token + token + token + token, from: pos },
effects: closeBracketEffect.of(pos + token.length),
range: EditorSelection.cursor(pos + token.length) };
}
else if (state.charCategorizer(pos)(next) != CharCategory.Word) {
if (canStartStringAt(state, pos, stringPrefixes) > -1 && !probablyInString(state, pos, token, stringPrefixes))
return { changes: { insert: token + token, from: pos },
effects: closeBracketEffect.of(pos + token.length),
range: EditorSelection.cursor(pos + token.length) };
}
return { range: dont = range };
});
return dont ? null : state.update(changes, {
scrollIntoView: true,
userEvent: "input.type"
});
}
function nodeStart(state, pos) {
let tree = syntaxTree(state).resolveInner(pos + 1);
return tree.parent && tree.from == pos;
}
function probablyInString(state, pos, quoteToken, prefixes) {
let node = syntaxTree(state).resolveInner(pos, -1);
let maxPrefix = prefixes.reduce((m, p) => Math.max(m, p.length), 0);
for (let i = 0; i < 5; i++) {
let start = state.sliceDoc(node.from, Math.min(node.to, node.from + quoteToken.length + maxPrefix));
let quotePos = start.indexOf(quoteToken);
if (!quotePos || quotePos > -1 && prefixes.indexOf(start.slice(0, quotePos)) > -1) {
let first = node.firstChild;
while (first && first.from == node.from && first.to - first.from > quoteToken.length + quotePos) {
if (state.sliceDoc(first.to - quoteToken.length, first.to) == quoteToken)
return false;
first = first.firstChild;
}
return true;
}
let parent = node.to == pos && node.parent;
if (!parent)
break;
node = parent;
}
return false;
}
function canStartStringAt(state, pos, prefixes) {
let charCat = state.charCategorizer(pos);
if (charCat(state.sliceDoc(pos - 1, pos)) != CharCategory.Word)
return pos;
for (let prefix of prefixes) {
let start = pos - prefix.length;
if (state.sliceDoc(start, pos) == prefix && charCat(state.sliceDoc(start - 1, start)) != CharCategory.Word)
return start;
}
return -1;
}
const completionKeymap = [
{ key: "Ctrl-Space", run: startCompletion },
{ mac: "Alt-`", run: startCompletion },
{ mac: "Alt-i", run: startCompletion },
{ key: "Escape", run: closeCompletion },
{ key: "ArrowDown", run: moveCompletionSelection(true) },
{ key: "ArrowUp", run: moveCompletionSelection(false) },
{ key: "PageDown", run: moveCompletionSelection(true, "page") },
{ key: "PageUp", run: moveCompletionSelection(false, "page") },
{ key: "Enter", run: acceptCompletion }
];
Prec.highest(keymap.computeN([completionConfig], state => state.facet(completionConfig).defaultKeymap ? [completionKeymap] : []));
const snippets = [
snippetCompletion("function ${name}(${params}) {\n\t${}\n}", {
label: "function",
detail: "definition",
type: "keyword"
}),
snippetCompletion("for (let ${index} = 0; ${index} < ${bound}; ${index}++) {\n\t${}\n}", {
label: "for",
detail: "loop",
type: "keyword"
}),
snippetCompletion("for (let ${name} of ${collection}) {\n\t${}\n}", {
label: "for",
detail: "of loop",
type: "keyword"
}),
snippetCompletion("do {\n\t${}\n} while (${})", {
label: "do",
detail: "loop",
type: "keyword"
}),
snippetCompletion("while (${}) {\n\t${}\n}", {
label: "while",
detail: "loop",
type: "keyword"
}),
snippetCompletion("try {\n\t${}\n} catch (${error}) {\n\t${}\n}", {
label: "try",
detail: "/ catch block",
type: "keyword"
}),
snippetCompletion("if (${}) {\n\t${}\n}", {
label: "if",
detail: "block",
type: "keyword"
}),
snippetCompletion("if (${}) {\n\t${}\n} else {\n\t${}\n}", {
label: "if",
detail: "/ else block",
type: "keyword"
}),
snippetCompletion("class ${name} {\n\tconstructor(${params}) {\n\t\t${}\n\t}\n}", {
label: "class",
detail: "definition",
type: "keyword"
}),
snippetCompletion("import {${names}} from \"${module}\"\n${}", {
label: "import",
detail: "named",
type: "keyword"
}),
snippetCompletion("import ${name} from \"${module}\"\n${}", {
label: "import",
detail: "default",
type: "keyword"
})
];
const typescriptSnippets = snippets.concat([
snippetCompletion("interface ${name} {\n\t${}\n}", {
label: "interface",
detail: "definition",
type: "keyword"
}),
snippetCompletion("type ${name} = ${type}", {
label: "type",
detail: "definition",
type: "keyword"
}),
snippetCompletion("enum ${name} {\n\t${}\n}", {
label: "enum",
detail: "definition",
type: "keyword"
})
]);
const cache = new NodeWeakMap();
const ScopeNodes = new Set([
"Script", "Block",
"FunctionExpression", "FunctionDeclaration", "ArrowFunction", "MethodDeclaration",
"ForStatement"
]);
function defID(type) {
return (node, def) => {
let id = node.node.getChild("VariableDefinition");
if (id)
def(id, type);
return true;
};
}
const functionContext = ["FunctionDeclaration"];
const gatherCompletions = {
FunctionDeclaration: defID("function"),
ClassDeclaration: defID("class"),
ClassExpression: () => true,
EnumDeclaration: defID("constant"),
TypeAliasDeclaration: defID("type"),
NamespaceDeclaration: defID("namespace"),
VariableDefinition(node, def) { if (!node.matchContext(functionContext))
def(node, "variable"); },
TypeDefinition(node, def) { def(node, "type"); },
__proto__: null
};
function getScope(doc, node) {
let cached = cache.get(node);
if (cached)
return cached;
let completions = [], top = true;
function def(node, type) {
let name = doc.sliceString(node.from, node.to);
completions.push({ label: name, type });
}
node.cursor(IterMode.IncludeAnonymous).iterate(node => {
if (top) {
top = false;
}
else if (node.name) {
let gather = gatherCompletions[node.name];
if (gather && gather(node, def) || ScopeNodes.has(node.name))
return false;
}
else if (node.to - node.from > 8192) {
for (let c of getScope(doc, node.node))
completions.push(c);
return false;
}
});
cache.set(node, completions);
return completions;
}
const Identifier = /^[\w$\xa1-\uffff][\w$\d\xa1-\uffff]*$/;
const dontComplete = [
"TemplateString", "String", "RegExp",
"LineComment", "BlockComment",
"VariableDefinition", "TypeDefinition", "Label",
"PropertyDefinition", "PropertyName",
"PrivatePropertyDefinition", "PrivatePropertyName",
"JSXText", "JSXAttributeValue", "JSXOpenTag", "JSXCloseTag", "JSXSelfClosingTag",
".", "?."
];
function localCompletionSource(context) {
let inner = syntaxTree(context.state).resolveInner(context.pos, -1);
if (dontComplete.indexOf(inner.name) > -1)
return null;
let isWord = inner.name == "VariableName" ||
inner.to - inner.from < 20 && Identifier.test(context.state.sliceDoc(inner.from, inner.to));
if (!isWord && !context.explicit)
return null;
let options = [];
for (let pos = inner; pos; pos = pos.parent) {
if (ScopeNodes.has(pos.name))
options = options.concat(getScope(context.state.doc, pos));
}
return {
options,
from: isWord ? inner.from : context.pos,
validFor: Identifier
};
}
const javascriptLanguage = LRLanguage.define({
name: "javascript",
parser: parser.configure({
props: [
indentNodeProp.add({
IfStatement: continuedIndent({ except: /^\s*({|else\b)/ }),
TryStatement: continuedIndent({ except: /^\s*({|catch\b|finally\b)/ }),
LabeledStatement: flatIndent,
SwitchBody: context => {
let after = context.textAfter, closed = /^\s*\}/.test(after), isCase = /^\s*(case|default)\b/.test(after);
return context.baseIndent + (closed ? 0 : isCase ? 1 : 2) * context.unit;
},
Block: delimitedIndent({ closing: "}" }),
ArrowFunction: cx => cx.baseIndent + cx.unit,
"TemplateString BlockComment": () => null,
"Statement Property": continuedIndent({ except: /^\s*{/ }),
JSXElement(context) {
let closed = /^\s*<\//.test(context.textAfter);
return context.lineIndent(context.node.from) + (closed ? 0 : context.unit);
},
JSXEscape(context) {
let closed = /\s*\}/.test(context.textAfter);
return context.lineIndent(context.node.from) + (closed ? 0 : context.unit);
},
"JSXOpenTag JSXSelfClosingTag"(context) {
return context.column(context.node.from) + context.unit;
}
}),
foldNodeProp.add({
"Block ClassBody SwitchBody EnumBody ObjectExpression ArrayExpression ObjectType": foldInside,
BlockComment(tree) { return { from: tree.from + 2, to: tree.to - 2 }; }
})
]
}),
languageData: {
closeBrackets: { brackets: ["(", "[", "{", "'", '"', "`"] },
commentTokens: { line: "//", block: { open: "/*", close: "*/" } },
indentOnInput: /^\s*(?:case |default:|\{|\}|<\/)$/,
wordChars: "$"
}
});
const jsxSublanguage = {
test: node => /^JSX/.test(node.name),
facet: defineLanguageFacet({ commentTokens: { block: { open: "{/*", close: "*/}" } } })
};
const typescriptLanguage = javascriptLanguage.configure({ dialect: "ts" }, "typescript");
const jsxLanguage = javascriptLanguage.configure({
dialect: "jsx",
props: [sublanguageProp.add(n => n.isTop ? [jsxSublanguage] : undefined)]
});
const tsxLanguage = javascriptLanguage.configure({
dialect: "jsx ts",
props: [sublanguageProp.add(n => n.isTop ? [jsxSublanguage] : undefined)]
}, "typescript");
let kwCompletion = (name) => ({ label: name, type: "keyword" });
const keywords = "break case const continue default delete export extends false finally in instanceof let new return static super switch this throw true typeof var yield".split(" ").map(kwCompletion);
const typescriptKeywords = keywords.concat(["declare", "implements", "private", "protected", "public"].map(kwCompletion));
function javascript(config = {}) {
let lang = config.jsx ? (config.typescript ? tsxLanguage : jsxLanguage)
: config.typescript ? typescriptLanguage : javascriptLanguage;
let completions = config.typescript ? typescriptSnippets.concat(typescriptKeywords) : snippets.concat(keywords);
return new LanguageSupport(lang, [
javascriptLanguage.data.of({
autocomplete: ifNotIn(dontComplete, completeFromList(completions))
}),
javascriptLanguage.data.of({
autocomplete: localCompletionSource
}),
config.jsx ? autoCloseTags : [],
]);
}
function findOpenTag(node) {
for (;;) {
if (node.name == "JSXOpenTag" || node.name == "JSXSelfClosingTag" || node.name == "JSXFragmentTag")
return node;
if (node.name == "JSXEscape" || !node.parent)
return null;
node = node.parent;
}
}
function elementName(doc, tree, max = doc.length) {
for (let ch = tree === null || tree === void 0 ? void 0 : tree.firstChild; ch; ch = ch.nextSibling) {
if (ch.name == "JSXIdentifier" || ch.name == "JSXBuiltin" || ch.name == "JSXNamespacedName" ||
ch.name == "JSXMemberExpression")
return doc.sliceString(ch.from, Math.min(ch.to, max));
}
return "";
}
const android = typeof navigator == "object" && /Android\b/.test(navigator.userAgent);
const autoCloseTags = EditorView.inputHandler.of((view, from, to, text, defaultInsert) => {
if ((android ? view.composing : view.compositionStarted) || view.state.readOnly ||
from != to || (text != ">" && text != "/") ||
!javascriptLanguage.isActiveAt(view.state, from, -1))
return false;
let base = defaultInsert(), { state } = base;
let closeTags = state.changeByRange(range => {
var _a;
let { head } = range, around = syntaxTree(state).resolveInner(head - 1, -1), name;
if (around.name == "JSXStartTag")
around = around.parent;
if (state.doc.sliceString(head - 1, head) != text || around.name == "JSXAttributeValue" && around.to > head) ;
else if (text == ">" && around.name == "JSXFragmentTag") {
return { range, changes: { from: head, insert: `</>` } };
}
else if (text == "/" && around.name == "JSXStartCloseTag") {
let empty = around.parent, base = empty.parent;
if (base && empty.from == head - 2 &&
((name = elementName(state.doc, base.firstChild, head)) || ((_a = base.firstChild) === null || _a === void 0 ? void 0 : _a.name) == "JSXFragmentTag")) {
let insert = `${name}>`;
return { range: EditorSelection.cursor(head + insert.length, -1), changes: { from: head, insert } };
}
}
else if (text == ">") {
let openTag = findOpenTag(around);
if (openTag && openTag.name == "JSXOpenTag" &&
!/^\/?>|^<\//.test(state.doc.sliceString(head, head + 2)) &&
(name = elementName(state.doc, openTag, head)))
return { range, changes: { from: head, insert: `</${name}>` } };
}
return { range };
});
if (closeTags.changes.empty)
return false;
view.dispatch([
base,
state.update(closeTags, { userEvent: "input.complete", scrollIntoView: true })
]);
return true;
});
const basicNormalize = typeof String.prototype.normalize == "function"
? x => x.normalize("NFKD") : x => x;
class SearchCursor {
constructor(text, query, from = 0, to = text.length, normalize, test) {
this.test = test;
this.value = { from: 0, to: 0 };
this.done = false;
this.matches = [];
this.buffer = "";
this.bufferPos = 0;
this.iter = text.iterRange(from, to);
this.bufferStart = from;
this.normalize = normalize ? x => normalize(basicNormalize(x)) : basicNormalize;
this.query = this.normalize(query);
}
peek() {
if (this.bufferPos == this.buffer.length) {
this.bufferStart += this.buffer.length;
this.iter.next();
if (this.iter.done)
return -1;
this.bufferPos = 0;
this.buffer = this.iter.value;
}
return codePointAt(this.buffer, this.bufferPos);
}
next() {
while (this.matches.length)
this.matches.pop();
return this.nextOverlapping();
}
nextOverlapping() {
for (;;) {
let next = this.peek();
if (next < 0) {
this.done = true;
return this;
}
let str = fromCodePoint(next), start = this.bufferStart + this.bufferPos;
this.bufferPos += codePointSize(next);
let norm = this.normalize(str);
if (norm.length)
for (let i = 0, pos = start;; i++) {
let code = norm.charCodeAt(i);
let match = this.match(code, pos, this.bufferPos + this.bufferStart);
if (i == norm.length - 1) {
if (match) {
this.value = match;
return this;
}
break;
}
if (pos == start && i < str.length && str.charCodeAt(i) == code)
pos++;
}
}
}
match(code, pos, end) {
let match = null;
for (let i = 0; i < this.matches.length; i += 2) {
let index = this.matches[i], keep = false;
if (this.query.charCodeAt(index) == code) {
if (index == this.query.length - 1) {
match = { from: this.matches[i + 1], to: end };
}
else {
this.matches[i]++;
keep = true;
}
}
if (!keep) {
this.matches.splice(i, 2);
i -= 2;
}
}
if (this.query.charCodeAt(0) == code) {
if (this.query.length == 1)
match = { from: pos, to: end };
else
this.matches.push(1, pos);
}
if (match && this.test && !this.test(match.from, match.to, this.buffer, this.bufferStart))
match = null;
return match;
}
}
if (typeof Symbol != "undefined")
SearchCursor.prototype[Symbol.iterator] = function () { return this; };
const empty = { from: -1, to: -1, match: /.*/.exec("") };
const baseFlags = "gm" + (/x/.unicode == null ? "" : "u");
class RegExpCursor {
constructor(text, query, options, from = 0, to = text.length) {
this.text = text;
this.to = to;
this.curLine = "";
this.done = false;
this.value = empty;
if (/\\[sWDnr]|\n|\r|\[\^/.test(query))
return new MultilineRegExpCursor(text, query, options, from, to);
this.re = new RegExp(query, baseFlags + ((options === null || options === void 0 ? void 0 : options.ignoreCase) ? "i" : ""));
this.test = options === null || options === void 0 ? void 0 : options.test;
this.iter = text.iter();
let startLine = text.lineAt(from);
this.curLineStart = startLine.from;
this.matchPos = toCharEnd(text, from);
this.getLine(this.curLineStart);
}
getLine(skip) {
this.iter.next(skip);
if (this.iter.lineBreak) {
this.curLine = "";
}
else {
this.curLine = this.iter.value;
if (this.curLineStart + this.curLine.length > this.to)
this.curLine = this.curLine.slice(0, this.to - this.curLineStart);
this.iter.next();
}
}
nextLine() {
this.curLineStart = this.curLineStart + this.curLine.length + 1;
if (this.curLineStart > this.to)
this.curLine = "";
else
this.getLine(0);
}
next() {
for (let off = this.matchPos - this.curLineStart;;) {
this.re.lastIndex = off;
let match = this.matchPos <= this.to && this.re.exec(this.curLine);
if (match) {
let from = this.curLineStart + match.index, to = from + match[0].length;
this.matchPos = toCharEnd(this.text, to + (from == to ? 1 : 0));
if (from == this.curLineStart + this.curLine.length)
this.nextLine();
if ((from < to || from > this.value.to) && (!this.test || this.test(from, to, match))) {
this.value = { from, to, match };
return this;
}
off = this.matchPos - this.curLineStart;
}
else if (this.curLineStart + this.curLine.length < this.to) {
this.nextLine();
off = 0;
}
else {
this.done = true;
return this;
}
}
}
}
const flattened = new WeakMap();
class FlattenedDoc {
constructor(from, text) {
this.from = from;
this.text = text;
}
get to() { return this.from + this.text.length; }
static get(doc, from, to) {
let cached = flattened.get(doc);
if (!cached || cached.from >= to || cached.to <= from) {
let flat = new FlattenedDoc(from, doc.sliceString(from, to));
flattened.set(doc, flat);
return flat;
}
if (cached.from == from && cached.to == to)
return cached;
let { text, from: cachedFrom } = cached;
if (cachedFrom > from) {
text = doc.sliceString(from, cachedFrom) + text;
cachedFrom = from;
}
if (cached.to < to)
text += doc.sliceString(cached.to, to);
flattened.set(doc, new FlattenedDoc(cachedFrom, text));
return new FlattenedDoc(from, text.slice(from - cachedFrom, to - cachedFrom));
}
}
class MultilineRegExpCursor {
constructor(text, query, options, from, to) {
this.text = text;
this.to = to;
this.done = false;
this.value = empty;
this.matchPos = toCharEnd(text, from);
this.re = new RegExp(query, baseFlags + ((options === null || options === void 0 ? void 0 : options.ignoreCase) ? "i" : ""));
this.test = options === null || options === void 0 ? void 0 : options.test;
this.flat = FlattenedDoc.get(text, from, this.chunkEnd(from + 5000 ));
}
chunkEnd(pos) {
return pos >= this.to ? this.to : this.text.lineAt(pos).to;
}
next() {
for (;;) {
let off = this.re.lastIndex = this.matchPos - this.flat.from;
let match = this.re.exec(this.flat.text);
if (match && !match[0] && match.index == off) {
this.re.lastIndex = off + 1;
match = this.re.exec(this.flat.text);
}
if (match) {
let from = this.flat.from + match.index, to = from + match[0].length;
if ((this.flat.to >= this.to || match.index + match[0].length <= this.flat.text.length - 10) &&
(!this.test || this.test(from, to, match))) {
this.value = { from, to, match };
this.matchPos = toCharEnd(this.text, to + (from == to ? 1 : 0));
return this;
}
}
if (this.flat.to == this.to) {
this.done = true;
return this;
}
this.flat = FlattenedDoc.get(this.text, this.flat.from, this.chunkEnd(this.flat.from + this.flat.text.length * 2));
}
}
}
if (typeof Symbol != "undefined") {
RegExpCursor.prototype[Symbol.iterator] = MultilineRegExpCursor.prototype[Symbol.iterator] =
function () { return this; };
}
function validRegExp(source) {
try {
new RegExp(source, baseFlags);
return true;
}
catch (_a) {
return false;
}
}
function toCharEnd(text, pos) {
if (pos >= text.length)
return pos;
let line = text.lineAt(pos), next;
while (pos < line.to && (next = line.text.charCodeAt(pos - line.from)) >= 0xDC00 && next < 0xE000)
pos++;
return pos;
}
const gotoLine = view => {
let { state } = view;
let line = String(state.doc.lineAt(view.state.selection.main.head).number);
let { close, result } = showDialog(view, {
label: state.phrase("Go to line"),
input: { type: "text", name: "line", value: line },
focus: true,
submitLabel: state.phrase("go"),
});
result.then(form => {
let match = form && /^([+-])?(\d+)?(:\d+)?(%)?$/.exec(form.elements["line"].value);
if (!match) {
view.dispatch({ effects: close });
return;
}
let startLine = state.doc.lineAt(state.selection.main.head);
let [, sign, ln, cl, percent] = match;
let col = cl ? +cl.slice(1) : 0;
let line = ln ? +ln : startLine.number;
if (ln && percent) {
let pc = line / 100;
if (sign)
pc = pc * (sign == "-" ? -1 : 1) + (startLine.number / state.doc.lines);
line = Math.round(state.doc.lines * pc);
}
else if (ln && sign) {
line = line * (sign == "-" ? -1 : 1) + startLine.number;
}
let docLine = state.doc.line(Math.max(1, Math.min(state.doc.lines, line)));
let selection = EditorSelection.cursor(docLine.from + Math.max(0, Math.min(col, docLine.length)));
view.dispatch({
effects: [close, EditorView.scrollIntoView(selection.from, { y: 'center' })],
selection,
});
});
return true;
};
const defaultHighlightOptions = {
highlightWordAroundCursor: false,
minSelectionLength: 1,
maxMatches: 100,
wholeWords: false
};
const highlightConfig = Facet.define({
combine(options) {
return combineConfig(options, defaultHighlightOptions, {
highlightWordAroundCursor: (a, b) => a || b,
minSelectionLength: Math.min,
maxMatches: Math.min
});
}
});
function highlightSelectionMatches(options) {
let ext = [defaultTheme, matchHighlighter];
if (options)
ext.push(highlightConfig.of(options));
return ext;
}
const matchDeco = Decoration.mark({ class: "cm-selectionMatch" });
const mainMatchDeco = Decoration.mark({ class: "cm-selectionMatch cm-selectionMatch-main" });
function insideWordBoundaries(check, state, from, to) {
return (from == 0 || check(state.sliceDoc(from - 1, from)) != CharCategory.Word) &&
(to == state.doc.length || check(state.sliceDoc(to, to + 1)) != CharCategory.Word);
}
function insideWord(check, state, from, to) {
return check(state.sliceDoc(from, from + 1)) == CharCategory.Word
&& check(state.sliceDoc(to - 1, to)) == CharCategory.Word;
}
const matchHighlighter = ViewPlugin.fromClass(class {
constructor(view) {
this.decorations = this.getDeco(view);
}
update(update) {
if (update.selectionSet || update.docChanged || update.viewportChanged)
this.decorations = this.getDeco(update.view);
}
getDeco(view) {
let conf = view.state.facet(highlightConfig);
let { state } = view, sel = state.selection;
if (sel.ranges.length > 1)
return Decoration.none;
let range = sel.main, query, check = null;
if (range.empty) {
if (!conf.highlightWordAroundCursor)
return Decoration.none;
let word = state.wordAt(range.head);
if (!word)
return Decoration.none;
check = state.charCategorizer(range.head);
query = state.sliceDoc(word.from, word.to);
}
else {
let len = range.to - range.from;
if (len < conf.minSelectionLength || len > 200)
return Decoration.none;
if (conf.wholeWords) {
query = state.sliceDoc(range.from, range.to);
check = state.charCategorizer(range.head);
if (!(insideWordBoundaries(check, state, range.from, range.to) &&
insideWord(check, state, range.from, range.to)))
return Decoration.none;
}
else {
query = state.sliceDoc(range.from, range.to);
if (!query)
return Decoration.none;
}
}
let deco = [];
for (let part of view.visibleRanges) {
let cursor = new SearchCursor(state.doc, query, part.from, part.to);
while (!cursor.next().done) {
let { from, to } = cursor.value;
if (!check || insideWordBoundaries(check, state, from, to)) {
if (range.empty && from <= range.from && to >= range.to)
deco.push(mainMatchDeco.range(from, to));
else if (from >= range.to || to <= range.from)
deco.push(matchDeco.range(from, to));
if (deco.length > conf.maxMatches)
return Decoration.none;
}
}
}
return Decoration.set(deco);
}
}, {
decorations: v => v.decorations
});
const defaultTheme = EditorView.baseTheme({
".cm-selectionMatch": { backgroundColor: "#99ff7780" },
".cm-searchMatch .cm-selectionMatch": { backgroundColor: "transparent" }
});
const selectWord = ({ state, dispatch }) => {
let { selection } = state;
let newSel = EditorSelection.create(selection.ranges.map(range => state.wordAt(range.head) || EditorSelection.cursor(range.head)), selection.mainIndex);
if (newSel.eq(selection))
return false;
dispatch(state.update({ selection: newSel }));
return true;
};
function findNextOccurrence(state, query) {
let { main, ranges } = state.selection;
let word = state.wordAt(main.head), fullWord = word && word.from == main.from && word.to == main.to;
for (let cycled = false, cursor = new SearchCursor(state.doc, query, ranges[ranges.length - 1].to);;) {
cursor.next();
if (cursor.done) {
if (cycled)
return null;
cursor = new SearchCursor(state.doc, query, 0, Math.max(0, ranges[ranges.length - 1].from - 1));
cycled = true;
}
else {
if (cycled && ranges.some(r => r.from == cursor.value.from))
continue;
if (fullWord) {
let word = state.wordAt(cursor.value.from);
if (!word || word.from != cursor.value.from || word.to != cursor.value.to)
continue;
}
return cursor.value;
}
}
}
const selectNextOccurrence = ({ state, dispatch }) => {
let { ranges } = state.selection;
if (ranges.some(sel => sel.from === sel.to))
return selectWord({ state, dispatch });
let searchedText = state.sliceDoc(ranges[0].from, ranges[0].to);
if (state.selection.ranges.some(r => state.sliceDoc(r.from, r.to) != searchedText))
return false;
let range = findNextOccurrence(state, searchedText);
if (!range)
return false;
dispatch(state.update({
selection: state.selection.addRange(EditorSelection.range(range.from, range.to), false),
effects: EditorView.scrollIntoView(range.to)
}));
return true;
};
const searchConfigFacet = Facet.define({
combine(configs) {
return combineConfig(configs, {
top: false,
caseSensitive: false,
literal: false,
regexp: false,
wholeWord: false,
createPanel: view => new SearchPanel(view),
scrollToMatch: range => EditorView.scrollIntoView(range)
});
}
});
function search(config) {
return config ? [searchConfigFacet.of(config), searchExtensions] : searchExtensions;
}
class SearchQuery {
constructor(config) {
this.search = config.search;
this.caseSensitive = !!config.caseSensitive;
this.literal = !!config.literal;
this.regexp = !!config.regexp;
this.replace = config.replace || "";
this.valid = !!this.search && (!this.regexp || validRegExp(this.search));
this.unquoted = this.unquote(this.search);
this.wholeWord = !!config.wholeWord;
this.test = config.test;
}
unquote(text) {
return this.literal ? text :
text.replace(/\\([nrt\\])/g, (_, ch) => ch == "n" ? "\n" : ch == "r" ? "\r" : ch == "t" ? "\t" : "\\");
}
eq(other) {
return this.search == other.search && this.replace == other.replace &&
this.caseSensitive == other.caseSensitive && this.regexp == other.regexp &&
this.wholeWord == other.wholeWord && this.test == other.test;
}
create() {
return this.regexp ? new RegExpQuery(this) : new StringQuery(this);
}
getCursor(state, from = 0, to) {
let st = state.doc ? state : EditorState.create({ doc: state });
if (to == null)
to = st.doc.length;
return this.regexp ? regexpCursor(this, st, from, to) : stringCursor(this, st, from, to);
}
}
class QueryType {
constructor(spec) {
this.spec = spec;
}
}
function wrapStringTest(test, state, inner) {
return (from, to, buffer, bufferPos) => {
if (inner && !inner(from, to, buffer, bufferPos))
return false;
let match = from >= bufferPos && to <= bufferPos + buffer.length
? buffer.slice(from - bufferPos, to - bufferPos)
: state.doc.sliceString(from, to);
return test(match, state, from, to);
};
}
function stringCursor(spec, state, from, to) {
let test;
if (spec.wholeWord)
test = stringWordTest(state.doc, state.charCategorizer(state.selection.main.head));
if (spec.test)
test = wrapStringTest(spec.test, state, test);
return new SearchCursor(state.doc, spec.unquoted, from, to, spec.caseSensitive ? undefined : x => x.toLowerCase(), test);
}
function stringWordTest(doc, categorizer) {
return (from, to, buf, bufPos) => {
if (bufPos > from || bufPos + buf.length < to) {
bufPos = Math.max(0, from - 2);
buf = doc.sliceString(bufPos, Math.min(doc.length, to + 2));
}
return (categorizer(charBefore(buf, from - bufPos)) != CharCategory.Word ||
categorizer(charAfter(buf, from - bufPos)) != CharCategory.Word) &&
(categorizer(charAfter(buf, to - bufPos)) != CharCategory.Word ||
categorizer(charBefore(buf, to - bufPos)) != CharCategory.Word);
};
}
class StringQuery extends QueryType {
constructor(spec) {
super(spec);
}
nextMatch(state, curFrom, curTo) {
let cursor = stringCursor(this.spec, state, curTo, state.doc.length).nextOverlapping();
if (cursor.done) {
let end = Math.min(state.doc.length, curFrom + this.spec.unquoted.length);
cursor = stringCursor(this.spec, state, 0, end).nextOverlapping();
}
return cursor.done || cursor.value.from == curFrom && cursor.value.to == curTo ? null : cursor.value;
}
prevMatchInRange(state, from, to) {
for (let pos = to;;) {
let start = Math.max(from, pos - 10000 - this.spec.unquoted.length);
let cursor = stringCursor(this.spec, state, start, pos), range = null;
while (!cursor.nextOverlapping().done)
range = cursor.value;
if (range)
return range;
if (start == from)
return null;
pos -= 10000 ;
}
}
prevMatch(state, curFrom, curTo) {
let found = this.prevMatchInRange(state, 0, curFrom);
if (!found)
found = this.prevMatchInRange(state, Math.max(0, curTo - this.spec.unquoted.length), state.doc.length);
return found && (found.from != curFrom || found.to != curTo) ? found : null;
}
getReplacement(_result) { return this.spec.unquote(this.spec.replace); }
matchAll(state, limit) {
let cursor = stringCursor(this.spec, state, 0, state.doc.length), ranges = [];
while (!cursor.next().done) {
if (ranges.length >= limit)
return null;
ranges.push(cursor.value);
}
return ranges;
}
highlight(state, from, to, add) {
let cursor = stringCursor(this.spec, state, Math.max(0, from - this.spec.unquoted.length), Math.min(to + this.spec.unquoted.length, state.doc.length));
while (!cursor.next().done)
add(cursor.value.from, cursor.value.to);
}
}
function wrapRegexpTest(test, state, inner) {
return (from, to, match) => {
return (!inner || inner(from, to, match)) && test(match[0], state, from, to);
};
}
function regexpCursor(spec, state, from, to) {
let test;
if (spec.wholeWord)
test = regexpWordTest(state.charCategorizer(state.selection.main.head));
if (spec.test)
test = wrapRegexpTest(spec.test, state, test);
return new RegExpCursor(state.doc, spec.search, { ignoreCase: !spec.caseSensitive, test }, from, to);
}
function charBefore(str, index) {
return str.slice(findClusterBreak(str, index, false), index);
}
function charAfter(str, index) {
return str.slice(index, findClusterBreak(str, index));
}
function regexpWordTest(categorizer) {
return (_from, _to, match) => !match[0].length ||
(categorizer(charBefore(match.input, match.index)) != CharCategory.Word ||
categorizer(charAfter(match.input, match.index)) != CharCategory.Word) &&
(categorizer(charAfter(match.input, match.index + match[0].length)) != CharCategory.Word ||
categorizer(charBefore(match.input, match.index + match[0].length)) != CharCategory.Word);
}
class RegExpQuery extends QueryType {
nextMatch(state, curFrom, curTo) {
let cursor = regexpCursor(this.spec, state, curTo, state.doc.length).next();
if (cursor.done)
cursor = regexpCursor(this.spec, state, 0, curFrom).next();
return cursor.done ? null : cursor.value;
}
prevMatchInRange(state, from, to) {
for (let size = 1;; size++) {
let start = Math.max(from, to - size * 10000 );
let cursor = regexpCursor(this.spec, state, start, to), range = null;
while (!cursor.next().done)
range = cursor.value;
if (range && (start == from || range.from > start + 10))
return range;
if (start == from)
return null;
}
}
prevMatch(state, curFrom, curTo) {
return this.prevMatchInRange(state, 0, curFrom) ||
this.prevMatchInRange(state, curTo, state.doc.length);
}
getReplacement(result) {
return this.spec.unquote(this.spec.replace).replace(/\$([$&]|\d+)/g, (m, i) => {
if (i == "&")
return result.match[0];
if (i == "$")
return "$";
for (let l = i.length; l > 0; l--) {
let n = +i.slice(0, l);
if (n > 0 && n < result.match.length)
return result.match[n] + i.slice(l);
}
return m;
});
}
matchAll(state, limit) {
let cursor = regexpCursor(this.spec, state, 0, state.doc.length), ranges = [];
while (!cursor.next().done) {
if (ranges.length >= limit)
return null;
ranges.push(cursor.value);
}
return ranges;
}
highlight(state, from, to, add) {
let cursor = regexpCursor(this.spec, state, Math.max(0, from - 250 ), Math.min(to + 250 , state.doc.length));
while (!cursor.next().done)
add(cursor.value.from, cursor.value.to);
}
}
const setSearchQuery = StateEffect.define();
const togglePanel = StateEffect.define();
const searchState = StateField.define({
create(state) {
return new SearchState(defaultQuery(state).create(), null);
},
update(value, tr) {
for (let effect of tr.effects) {
if (effect.is(setSearchQuery))
value = new SearchState(effect.value.create(), value.panel);
else if (effect.is(togglePanel))
value = new SearchState(value.query, effect.value ? createSearchPanel : null);
}
return value;
},
provide: f => showPanel.from(f, val => val.panel)
});
function getSearchQuery(state) {
let curState = state.field(searchState, false);
return curState ? curState.query.spec : defaultQuery(state);
}
function searchPanelOpen(state) {
var _a;
return ((_a = state.field(searchState, false)) === null || _a === void 0 ? void 0 : _a.panel) != null;
}
class SearchState {
constructor(query, panel) {
this.query = query;
this.panel = panel;
}
}
const matchMark = Decoration.mark({ class: "cm-searchMatch" }), selectedMatchMark = Decoration.mark({ class: "cm-searchMatch cm-searchMatch-selected" });
const searchHighlighter = ViewPlugin.fromClass(class {
constructor(view) {
this.view = view;
this.decorations = this.highlight(view.state.field(searchState));
}
update(update) {
let state = update.state.field(searchState);
if (state != update.startState.field(searchState) || update.docChanged || update.selectionSet || update.viewportChanged)
this.decorations = this.highlight(state);
}
highlight({ query, panel }) {
if (!panel || !query.spec.valid)
return Decoration.none;
let { view } = this;
let builder = new RangeSetBuilder();
for (let i = 0, ranges = view.visibleRanges, l = ranges.length; i < l; i++) {
let { from, to } = ranges[i];
while (i < l - 1 && to > ranges[i + 1].from - 2 * 250 )
to = ranges[++i].to;
query.highlight(view.state, from, to, (from, to) => {
let selected = view.state.selection.ranges.some(r => r.from == from && r.to == to);
builder.add(from, to, selected ? selectedMatchMark : matchMark);
});
}
return builder.finish();
}
}, {
decorations: v => v.decorations
});
function searchCommand(f) {
return view => {
let state = view.state.field(searchState, false);
return state && state.query.spec.valid ? f(view, state) : openSearchPanel(view);
};
}
const findNext = searchCommand((view, { query }) => {
let { to } = view.state.selection.main;
let next = query.nextMatch(view.state, to, to);
if (!next)
return false;
let selection = EditorSelection.single(next.from, next.to);
let config = view.state.facet(searchConfigFacet);
view.dispatch({
selection,
effects: [announceMatch(view, next), config.scrollToMatch(selection.main, view)],
userEvent: "select.search"
});
selectSearchInput(view);
return true;
});
const findPrevious = searchCommand((view, { query }) => {
let { state } = view, { from } = state.selection.main;
let prev = query.prevMatch(state, from, from);
if (!prev)
return false;
let selection = EditorSelection.single(prev.from, prev.to);
let config = view.state.facet(searchConfigFacet);
view.dispatch({
selection,
effects: [announceMatch(view, prev), config.scrollToMatch(selection.main, view)],
userEvent: "select.search"
});
selectSearchInput(view);
return true;
});
const selectMatches = searchCommand((view, { query }) => {
let ranges = query.matchAll(view.state, 1000);
if (!ranges || !ranges.length)
return false;
view.dispatch({
selection: EditorSelection.create(ranges.map(r => EditorSelection.range(r.from, r.to))),
userEvent: "select.search.matches"
});
return true;
});
const selectSelectionMatches = ({ state, dispatch }) => {
let sel = state.selection;
if (sel.ranges.length > 1 || sel.main.empty)
return false;
let { from, to } = sel.main;
let ranges = [], main = 0;
for (let cur = new SearchCursor(state.doc, state.sliceDoc(from, to)); !cur.next().done;) {
if (ranges.length > 1000)
return false;
if (cur.value.from == from)
main = ranges.length;
ranges.push(EditorSelection.range(cur.value.from, cur.value.to));
}
dispatch(state.update({
selection: EditorSelection.create(ranges, main),
userEvent: "select.search.matches"
}));
return true;
};
const replaceNext = searchCommand((view, { query }) => {
let { state } = view, { from, to } = state.selection.main;
if (state.readOnly)
return false;
let match = query.nextMatch(state, from, from);
if (!match)
return false;
let next = match;
let changes = [], selection, replacement;
let effects = [];
if (next.from == from && next.to == to) {
replacement = state.toText(query.getReplacement(next));
changes.push({ from: next.from, to: next.to, insert: replacement });
next = query.nextMatch(state, next.from, next.to);
effects.push(EditorView.announce.of(state.phrase("replaced match on line $", state.doc.lineAt(from).number) + "."));
}
let changeSet = view.state.changes(changes);
if (next) {
selection = EditorSelection.single(next.from, next.to).map(changeSet);
effects.push(announceMatch(view, next));
effects.push(state.facet(searchConfigFacet).scrollToMatch(selection.main, view));
}
view.dispatch({
changes: changeSet,
selection,
effects,
userEvent: "input.replace"
});
return true;
});
const replaceAll = searchCommand((view, { query }) => {
if (view.state.readOnly)
return false;
let changes = query.matchAll(view.state, 1e9).map(match => {
let { from, to } = match;
return { from, to, insert: query.getReplacement(match) };
});
if (!changes.length)
return false;
let announceText = view.state.phrase("replaced $ matches", changes.length) + ".";
view.dispatch({
changes,
effects: EditorView.announce.of(announceText),
userEvent: "input.replace.all"
});
return true;
});
function createSearchPanel(view) {
return view.state.facet(searchConfigFacet).createPanel(view);
}
function defaultQuery(state, fallback) {
var _a, _b, _c, _d, _e;
let sel = state.selection.main;
let selText = sel.empty || sel.to > sel.from + 100 ? "" : state.sliceDoc(sel.from, sel.to);
if (fallback && !selText)
return fallback;
let config = state.facet(searchConfigFacet);
return new SearchQuery({
search: ((_a = fallback === null || fallback === void 0 ? void 0 : fallback.literal) !== null && _a !== void 0 ? _a : config.literal) ? selText : selText.replace(/\n/g, "\\n"),
caseSensitive: (_b = fallback === null || fallback === void 0 ? void 0 : fallback.caseSensitive) !== null && _b !== void 0 ? _b : config.caseSensitive,
literal: (_c = fallback === null || fallback === void 0 ? void 0 : fallback.literal) !== null && _c !== void 0 ? _c : config.literal,
regexp: (_d = fallback === null || fallback === void 0 ? void 0 : fallback.regexp) !== null && _d !== void 0 ? _d : config.regexp,
wholeWord: (_e = fallback === null || fallback === void 0 ? void 0 : fallback.wholeWord) !== null && _e !== void 0 ? _e : config.wholeWord
});
}
function getSearchInput(view) {
let panel = getPanel(view, createSearchPanel);
return panel && panel.dom.querySelector("[main-field]");
}
function selectSearchInput(view) {
let input = getSearchInput(view);
if (input && input == view.root.activeElement)
input.select();
}
const openSearchPanel = view => {
let state = view.state.field(searchState, false);
if (state && state.panel) {
let searchInput = getSearchInput(view);
if (searchInput && searchInput != view.root.activeElement) {
let query = defaultQuery(view.state, state.query.spec);
if (query.valid)
view.dispatch({ effects: setSearchQuery.of(query) });
searchInput.focus();
searchInput.select();
}
}
else {
view.dispatch({ effects: [
togglePanel.of(true),
state ? setSearchQuery.of(defaultQuery(view.state, state.query.spec)) : StateEffect.appendConfig.of(searchExtensions)
] });
}
return true;
};
const closeSearchPanel = view => {
let state = view.state.field(searchState, false);
if (!state || !state.panel)
return false;
let panel = getPanel(view, createSearchPanel);
if (panel && panel.dom.contains(view.root.activeElement))
view.focus();
view.dispatch({ effects: togglePanel.of(false) });
return true;
};
const searchKeymap = [
{ key: "Mod-f", run: openSearchPanel, scope: "editor search-panel" },
{ key: "F3", run: findNext, shift: findPrevious, scope: "editor search-panel", preventDefault: true },
{ key: "Mod-g", run: findNext, shift: findPrevious, scope: "editor search-panel", preventDefault: true },
{ key: "Escape", run: closeSearchPanel, scope: "editor search-panel" },
{ key: "Mod-Shift-l", run: selectSelectionMatches },
{ key: "Mod-Alt-g", run: gotoLine },
{ key: "Mod-d", run: selectNextOccurrence, preventDefault: true },
];
class SearchPanel {
constructor(view) {
this.view = view;
let query = this.query = view.state.field(searchState).query.spec;
this.commit = this.commit.bind(this);
this.searchField = crelt("input", {
value: query.search,
placeholder: phrase(view, "Find"),
"aria-label": phrase(view, "Find"),
class: "cm-textfield",
name: "search",
form: "",
"main-field": "true",
onchange: this.commit,
onkeyup: this.commit
});
this.replaceField = crelt("input", {
value: query.replace,
placeholder: phrase(view, "Replace"),
"aria-label": phrase(view, "Replace"),
class: "cm-textfield",
name: "replace",
form: "",
onchange: this.commit,
onkeyup: this.commit
});
this.caseField = crelt("input", {
type: "checkbox",
name: "case",
form: "",
checked: query.caseSensitive,
onchange: this.commit
});
this.reField = crelt("input", {
type: "checkbox",
name: "re",
form: "",
checked: query.regexp,
onchange: this.commit
});
this.wordField = crelt("input", {
type: "checkbox",
name: "word",
form: "",
checked: query.wholeWord,
onchange: this.commit
});
function button(name, onclick, content) {
return crelt("button", { class: "cm-button", name, onclick, type: "button" }, content);
}
this.dom = crelt("div", { onkeydown: (e) => this.keydown(e), class: "cm-search" }, [
this.searchField,
button("next", () => findNext(view), [phrase(view, "next")]),
button("prev", () => findPrevious(view), [phrase(view, "previous")]),
button("select", () => selectMatches(view), [phrase(view, "all")]),
crelt("label", null, [this.caseField, phrase(view, "match case")]),
crelt("label", null, [this.reField, phrase(view, "regexp")]),
crelt("label", null, [this.wordField, phrase(view, "by word")]),
...view.state.readOnly ? [] : [
crelt("br"),
this.replaceField,
button("replace", () => replaceNext(view), [phrase(view, "replace")]),
button("replaceAll", () => replaceAll(view), [phrase(view, "replace all")])
],
crelt("button", {
name: "close",
onclick: () => closeSearchPanel(view),
"aria-label": phrase(view, "close"),
type: "button"
}, ["×"])
]);
}
commit() {
let query = new SearchQuery({
search: this.searchField.value,
caseSensitive: this.caseField.checked,
regexp: this.reField.checked,
wholeWord: this.wordField.checked,
replace: this.replaceField.value,
});
if (!query.eq(this.query)) {
this.query = query;
this.view.dispatch({ effects: setSearchQuery.of(query) });
}
}
keydown(e) {
if (runScopeHandlers(this.view, e, "search-panel")) {
e.preventDefault();
}
else if (e.keyCode == 13 && e.target == this.searchField) {
e.preventDefault();
(e.shiftKey ? findPrevious : findNext)(this.view);
}
else if (e.keyCode == 13 && e.target == this.replaceField) {
e.preventDefault();
replaceNext(this.view);
}
}
update(update) {
for (let tr of update.transactions)
for (let effect of tr.effects) {
if (effect.is(setSearchQuery) && !effect.value.eq(this.query))
this.setQuery(effect.value);
}
}
setQuery(query) {
this.query = query;
this.searchField.value = query.search;
this.replaceField.value = query.replace;
this.caseField.checked = query.caseSensitive;
this.reField.checked = query.regexp;
this.wordField.checked = query.wholeWord;
}
mount() {
this.searchField.select();
}
get pos() { return 80; }
get top() { return this.view.state.facet(searchConfigFacet).top; }
}
function phrase(view, phrase) { return view.state.phrase(phrase); }
const AnnounceMargin = 30;
const Break = /[\s\.,:;?!]/;
function announceMatch(view, { from, to }) {
let line = view.state.doc.lineAt(from), lineEnd = view.state.doc.lineAt(to).to;
let start = Math.max(line.from, from - AnnounceMargin), end = Math.min(lineEnd, to + AnnounceMargin);
let text = view.state.sliceDoc(start, end);
if (start != line.from) {
for (let i = 0; i < AnnounceMargin; i++)
if (!Break.test(text[i + 1]) && Break.test(text[i])) {
text = text.slice(i);
break;
}
}
if (end != lineEnd) {
for (let i = text.length - 1; i > text.length - AnnounceMargin; i--)
if (!Break.test(text[i - 1]) && Break.test(text[i])) {
text = text.slice(0, i);
break;
}
}
return EditorView.announce.of(`${view.state.phrase("current match")}. ${text} ${view.state.phrase("on line")} ${line.number}.`);
}
const baseTheme = EditorView.baseTheme({
".cm-panel.cm-search": {
padding: "2px 6px 4px",
position: "relative",
"& [name=close]": {
position: "absolute",
top: "0",
right: "4px",
backgroundColor: "inherit",
border: "none",
font: "inherit",
padding: 0,
margin: 0
},
"& input, & button, & label": {
margin: ".2em .6em .2em 0"
},
"& input[type=checkbox]": {
marginRight: ".2em"
},
"& label": {
fontSize: "80%",
whiteSpace: "pre"
}
},
"&light .cm-searchMatch": { backgroundColor: "#ffff0054" },
"&dark .cm-searchMatch": { backgroundColor: "#00ffff8a" },
"&light .cm-searchMatch-selected": { backgroundColor: "#ff6a0054" },
"&dark .cm-searchMatch-selected": { backgroundColor: "#ff00ff8a" }
});
const searchExtensions = [
searchState,
Prec.low(searchHighlighter),
baseTheme
];
var cmSearch = /*#__PURE__*/Object.freeze({
__proto__: null,
RegExpCursor: RegExpCursor,
SearchCursor: SearchCursor,
SearchQuery: SearchQuery,
closeSearchPanel: closeSearchPanel,
findNext: findNext,
findPrevious: findPrevious,
getSearchQuery: getSearchQuery,
gotoLine: gotoLine,
highlightSelectionMatches: highlightSelectionMatches,
openSearchPanel: openSearchPanel,
replaceAll: replaceAll,
replaceNext: replaceNext,
search: search,
searchKeymap: searchKeymap,
searchPanelOpen: searchPanelOpen,
selectMatches: selectMatches,
selectNextOccurrence: selectNextOccurrence,
selectSelectionMatches: selectSelectionMatches,
setSearchQuery: setSearchQuery
});
const toggleComment = target => {
let { state } = target, line = state.doc.lineAt(state.selection.main.from), config = getConfig(target.state, line.from);
return config.line ? toggleLineComment(target) : config.block ? toggleBlockCommentByLine(target) : false;
};
function command(f, option) {
return ({ state, dispatch }) => {
if (state.readOnly)
return false;
let tr = f(option, state);
if (!tr)
return false;
dispatch(state.update(tr));
return true;
};
}
const toggleLineComment = command(changeLineComment, 0 );
const lineComment = command(changeLineComment, 1 );
const lineUncomment = command(changeLineComment, 2 );
const toggleBlockComment = command(changeBlockComment, 0 );
const blockComment = command(changeBlockComment, 1 );
const blockUncomment = command(changeBlockComment, 2 );
const toggleBlockCommentByLine = command((o, s) => changeBlockComment(o, s, selectedLineRanges(s)), 0 );
function getConfig(state, pos) {
let data = state.languageDataAt("commentTokens", pos, 1);
return data.length ? data[0] : {};
}
const SearchMargin = 50;
function findBlockComment(state, { open, close }, from, to) {
let textBefore = state.sliceDoc(from - SearchMargin, from);
let textAfter = state.sliceDoc(to, to + SearchMargin);
let spaceBefore = /\s*$/.exec(textBefore)[0].length, spaceAfter = /^\s*/.exec(textAfter)[0].length;
let beforeOff = textBefore.length - spaceBefore;
if (textBefore.slice(beforeOff - open.length, beforeOff) == open &&
textAfter.slice(spaceAfter, spaceAfter + close.length) == close) {
return { open: { pos: from - spaceBefore, margin: spaceBefore && 1 },
close: { pos: to + spaceAfter, margin: spaceAfter && 1 } };
}
let startText, endText;
if (to - from <= 2 * SearchMargin) {
startText = endText = state.sliceDoc(from, to);
}
else {
startText = state.sliceDoc(from, from + SearchMargin);
endText = state.sliceDoc(to - SearchMargin, to);
}
let startSpace = /^\s*/.exec(startText)[0].length, endSpace = /\s*$/.exec(endText)[0].length;
let endOff = endText.length - endSpace - close.length;
if (startText.slice(startSpace, startSpace + open.length) == open &&
endText.slice(endOff, endOff + close.length) == close) {
return { open: { pos: from + startSpace + open.length,
margin: /\s/.test(startText.charAt(startSpace + open.length)) ? 1 : 0 },
close: { pos: to - endSpace - close.length,
margin: /\s/.test(endText.charAt(endOff - 1)) ? 1 : 0 } };
}
return null;
}
function selectedLineRanges(state) {
let ranges = [];
for (let r of state.selection.ranges) {
let fromLine = state.doc.lineAt(r.from);
let toLine = r.to <= fromLine.to ? fromLine : state.doc.lineAt(r.to);
if (toLine.from > fromLine.from && toLine.from == r.to)
toLine = r.to == fromLine.to + 1 ? fromLine : state.doc.lineAt(r.to - 1);
let last = ranges.length - 1;
if (last >= 0 && ranges[last].to > fromLine.from)
ranges[last].to = toLine.to;
else
ranges.push({ from: fromLine.from + /^\s*/.exec(fromLine.text)[0].length, to: toLine.to });
}
return ranges;
}
function changeBlockComment(option, state, ranges = state.selection.ranges) {
let tokens = ranges.map(r => getConfig(state, r.from).block);
if (!tokens.every(c => c))
return null;
let comments = ranges.map((r, i) => findBlockComment(state, tokens[i], r.from, r.to));
if (option != 2 && !comments.every(c => c)) {
return { changes: state.changes(ranges.map((range, i) => {
if (comments[i])
return [];
return [{ from: range.from, insert: tokens[i].open + " " }, { from: range.to, insert: " " + tokens[i].close }];
})) };
}
else if (option != 1 && comments.some(c => c)) {
let changes = [];
for (let i = 0, comment; i < comments.length; i++)
if (comment = comments[i]) {
let token = tokens[i], { open, close } = comment;
changes.push({ from: open.pos - token.open.length, to: open.pos + open.margin }, { from: close.pos - close.margin, to: close.pos + token.close.length });
}
return { changes };
}
return null;
}
function changeLineComment(option, state, ranges = state.selection.ranges) {
let lines = [];
let prevLine = -1;
ranges: for (let { from, to } of ranges) {
let startI = lines.length, minIndent = 1e9, token;
for (let pos = from; pos <= to;) {
let line = state.doc.lineAt(pos);
if (token == undefined) {
token = getConfig(state, line.from).line;
if (!token)
continue ranges;
}
if (line.from > prevLine && (from == to || to > line.from)) {
prevLine = line.from;
let indent = /^\s*/.exec(line.text)[0].length;
let empty = indent == line.length;
let comment = line.text.slice(indent, indent + token.length) == token ? indent : -1;
if (indent < line.text.length && indent < minIndent)
minIndent = indent;
lines.push({ line, comment, token, indent, empty, single: false });
}
pos = line.to + 1;
}
if (minIndent < 1e9)
for (let i = startI; i < lines.length; i++)
if (lines[i].indent < lines[i].line.text.length)
lines[i].indent = minIndent;
if (lines.length == startI + 1)
lines[startI].single = true;
}
if (option != 2 && lines.some(l => l.comment < 0 && (!l.empty || l.single))) {
let changes = [];
for (let { line, token, indent, empty, single } of lines)
if (single || !empty)
changes.push({ from: line.from + indent, insert: token + " " });
let changeSet = state.changes(changes);
return { changes: changeSet, selection: state.selection.map(changeSet, 1) };
}
else if (option != 1 && lines.some(l => l.comment >= 0)) {
let changes = [];
for (let { line, comment, token } of lines)
if (comment >= 0) {
let from = line.from + comment, to = from + token.length;
if (line.text[to - line.from] == " ")
to++;
changes.push({ from, to });
}
return { changes };
}
return null;
}
const fromHistory = Annotation.define();
const isolateHistory = Annotation.define();
const invertedEffects = Facet.define();
const historyConfig = Facet.define({
combine(configs) {
return combineConfig(configs, {
minDepth: 100,
newGroupDelay: 500,
joinToEvent: (_t, isAdjacent) => isAdjacent,
}, {
minDepth: Math.max,
newGroupDelay: Math.min,
joinToEvent: (a, b) => (tr, adj) => a(tr, adj) || b(tr, adj)
});
}
});
const historyField_ = StateField.define({
create() {
return HistoryState.empty;
},
update(state, tr) {
let config = tr.state.facet(historyConfig);
let fromHist = tr.annotation(fromHistory);
if (fromHist) {
let item = HistEvent.fromTransaction(tr, fromHist.selection), from = fromHist.side;
let other = from == 0 ? state.undone : state.done;
if (item)
other = updateBranch(other, other.length, config.minDepth, item);
else
other = addSelection(other, tr.startState.selection);
return new HistoryState(from == 0 ? fromHist.rest : other, from == 0 ? other : fromHist.rest);
}
let isolate = tr.annotation(isolateHistory);
if (isolate == "full" || isolate == "before")
state = state.isolate();
if (tr.annotation(Transaction.addToHistory) === false)
return !tr.changes.empty ? state.addMapping(tr.changes.desc) : state;
let event = HistEvent.fromTransaction(tr);
let time = tr.annotation(Transaction.time), userEvent = tr.annotation(Transaction.userEvent);
if (event)
state = state.addChanges(event, time, userEvent, config, tr);
else if (tr.selection)
state = state.addSelection(tr.startState.selection, time, userEvent, config.newGroupDelay);
if (isolate == "full" || isolate == "after")
state = state.isolate();
return state;
},
toJSON(value) {
return { done: value.done.map(e => e.toJSON()), undone: value.undone.map(e => e.toJSON()) };
},
fromJSON(json) {
return new HistoryState(json.done.map(HistEvent.fromJSON), json.undone.map(HistEvent.fromJSON));
}
});
function history(config = {}) {
return [
historyField_,
historyConfig.of(config),
EditorView.domEventHandlers({
beforeinput(e, view) {
let command = e.inputType == "historyUndo" ? undo : e.inputType == "historyRedo" ? redo : null;
if (!command)
return false;
e.preventDefault();
return command(view);
}
})
];
}
const historyField = historyField_;
function cmd(side, selection) {
return function ({ state, dispatch }) {
if (!selection && state.readOnly)
return false;
let historyState = state.field(historyField_, false);
if (!historyState)
return false;
let tr = historyState.pop(side, state, selection);
if (!tr)
return false;
dispatch(tr);
return true;
};
}
const undo = cmd(0 , false);
const redo = cmd(1 , false);
const undoSelection = cmd(0 , true);
const redoSelection = cmd(1 , true);
function depth(side) {
return function (state) {
let histState = state.field(historyField_, false);
if (!histState)
return 0;
let branch = side == 0 ? histState.done : histState.undone;
return branch.length - (branch.length && !branch[0].changes ? 1 : 0);
};
}
const undoDepth = depth(0 );
const redoDepth = depth(1 );
class HistEvent {
constructor(
changes,
effects,
mapped,
startSelection,
selectionsAfter) {
this.changes = changes;
this.effects = effects;
this.mapped = mapped;
this.startSelection = startSelection;
this.selectionsAfter = selectionsAfter;
}
setSelAfter(after) {
return new HistEvent(this.changes, this.effects, this.mapped, this.startSelection, after);
}
toJSON() {
var _a, _b, _c;
return {
changes: (_a = this.changes) === null || _a === void 0 ? void 0 : _a.toJSON(),
mapped: (_b = this.mapped) === null || _b === void 0 ? void 0 : _b.toJSON(),
startSelection: (_c = this.startSelection) === null || _c === void 0 ? void 0 : _c.toJSON(),
selectionsAfter: this.selectionsAfter.map(s => s.toJSON())
};
}
static fromJSON(json) {
return new HistEvent(json.changes && ChangeSet.fromJSON(json.changes), [], json.mapped && ChangeDesc.fromJSON(json.mapped), json.startSelection && EditorSelection.fromJSON(json.startSelection), json.selectionsAfter.map(EditorSelection.fromJSON));
}
static fromTransaction(tr, selection) {
let effects = none;
for (let invert of tr.startState.facet(invertedEffects)) {
let result = invert(tr);
if (result.length)
effects = effects.concat(result);
}
if (!effects.length && tr.changes.empty)
return null;
return new HistEvent(tr.changes.invert(tr.startState.doc), effects, undefined, selection || tr.startState.selection, none);
}
static selection(selections) {
return new HistEvent(undefined, none, undefined, undefined, selections);
}
}
function updateBranch(branch, to, maxLen, newEvent) {
let start = to + 1 > maxLen + 20 ? to - maxLen - 1 : 0;
let newBranch = branch.slice(start, to);
newBranch.push(newEvent);
return newBranch;
}
function isAdjacent(a, b) {
let ranges = [], isAdjacent = false;
a.iterChangedRanges((f, t) => ranges.push(f, t));
b.iterChangedRanges((_f, _t, f, t) => {
for (let i = 0; i < ranges.length;) {
let from = ranges[i++], to = ranges[i++];
if (t >= from && f <= to)
isAdjacent = true;
}
});
return isAdjacent;
}
function eqSelectionShape(a, b) {
return a.ranges.length == b.ranges.length &&
a.ranges.filter((r, i) => r.empty != b.ranges[i].empty).length === 0;
}
function conc(a, b) {
return !a.length ? b : !b.length ? a : a.concat(b);
}
const none = [];
const MaxSelectionsPerEvent = 200;
function addSelection(branch, selection) {
if (!branch.length) {
return [HistEvent.selection([selection])];
}
else {
let lastEvent = branch[branch.length - 1];
let sels = lastEvent.selectionsAfter.slice(Math.max(0, lastEvent.selectionsAfter.length - MaxSelectionsPerEvent));
if (sels.length && sels[sels.length - 1].eq(selection))
return branch;
sels.push(selection);
return updateBranch(branch, branch.length - 1, 1e9, lastEvent.setSelAfter(sels));
}
}
function popSelection(branch) {
let last = branch[branch.length - 1];
let newBranch = branch.slice();
newBranch[branch.length - 1] = last.setSelAfter(last.selectionsAfter.slice(0, last.selectionsAfter.length - 1));
return newBranch;
}
function addMappingToBranch(branch, mapping) {
if (!branch.length)
return branch;
let length = branch.length, selections = none;
while (length) {
let event = mapEvent(branch[length - 1], mapping, selections);
if (event.changes && !event.changes.empty || event.effects.length) {
let result = branch.slice(0, length);
result[length - 1] = event;
return result;
}
else {
mapping = event.mapped;
length--;
selections = event.selectionsAfter;
}
}
return selections.length ? [HistEvent.selection(selections)] : none;
}
function mapEvent(event, mapping, extraSelections) {
let selections = conc(event.selectionsAfter.length ? event.selectionsAfter.map(s => s.map(mapping)) : none, extraSelections);
if (!event.changes)
return HistEvent.selection(selections);
let mappedChanges = event.changes.map(mapping), before = mapping.mapDesc(event.changes, true);
let fullMapping = event.mapped ? event.mapped.composeDesc(before) : before;
return new HistEvent(mappedChanges, StateEffect.mapEffects(event.effects, mapping), fullMapping, event.startSelection.map(before), selections);
}
const joinableUserEvent = /^(input\.type|delete)($|\.)/;
class HistoryState {
constructor(done, undone, prevTime = 0, prevUserEvent = undefined) {
this.done = done;
this.undone = undone;
this.prevTime = prevTime;
this.prevUserEvent = prevUserEvent;
}
isolate() {
return this.prevTime ? new HistoryState(this.done, this.undone) : this;
}
addChanges(event, time, userEvent, config, tr) {
let done = this.done, lastEvent = done[done.length - 1];
if (lastEvent && lastEvent.changes && !lastEvent.changes.empty && event.changes &&
(!userEvent || joinableUserEvent.test(userEvent)) &&
((!lastEvent.selectionsAfter.length &&
time - this.prevTime < config.newGroupDelay &&
config.joinToEvent(tr, isAdjacent(lastEvent.changes, event.changes))) ||
userEvent == "input.type.compose")) {
done = updateBranch(done, done.length - 1, config.minDepth, new HistEvent(event.changes.compose(lastEvent.changes), conc(StateEffect.mapEffects(event.effects, lastEvent.changes), lastEvent.effects), lastEvent.mapped, lastEvent.startSelection, none));
}
else {
done = updateBranch(done, done.length, config.minDepth, event);
}
return new HistoryState(done, none, time, userEvent);
}
addSelection(selection, time, userEvent, newGroupDelay) {
let last = this.done.length ? this.done[this.done.length - 1].selectionsAfter : none;
if (last.length > 0 &&
time - this.prevTime < newGroupDelay &&
userEvent == this.prevUserEvent && userEvent && /^select($|\.)/.test(userEvent) &&
eqSelectionShape(last[last.length - 1], selection))
return this;
return new HistoryState(addSelection(this.done, selection), this.undone, time, userEvent);
}
addMapping(mapping) {
return new HistoryState(addMappingToBranch(this.done, mapping), addMappingToBranch(this.undone, mapping), this.prevTime, this.prevUserEvent);
}
pop(side, state, onlySelection) {
let branch = side == 0 ? this.done : this.undone;
if (branch.length == 0)
return null;
let event = branch[branch.length - 1], selection = event.selectionsAfter[0] ||
(event.startSelection ? event.startSelection.map(event.changes.invertedDesc, 1) : state.selection);
if (onlySelection && event.selectionsAfter.length) {
return state.update({
selection: event.selectionsAfter[event.selectionsAfter.length - 1],
annotations: fromHistory.of({ side, rest: popSelection(branch), selection }),
userEvent: side == 0 ? "select.undo" : "select.redo",
scrollIntoView: true
});
}
else if (!event.changes) {
return null;
}
else {
let rest = branch.length == 1 ? none : branch.slice(0, branch.length - 1);
if (event.mapped)
rest = addMappingToBranch(rest, event.mapped);
return state.update({
changes: event.changes,
selection: event.startSelection,
effects: event.effects,
annotations: fromHistory.of({ side, rest, selection }),
filter: false,
userEvent: side == 0 ? "undo" : "redo",
scrollIntoView: true
});
}
}
}
HistoryState.empty = new HistoryState(none, none);
const historyKeymap = [
{ key: "Mod-z", run: undo, preventDefault: true },
{ key: "Mod-y", mac: "Mod-Shift-z", run: redo, preventDefault: true },
{ linux: "Ctrl-Shift-z", run: redo, preventDefault: true },
{ key: "Mod-u", run: undoSelection, preventDefault: true },
{ key: "Alt-u", mac: "Mod-Shift-u", run: redoSelection, preventDefault: true }
];
function updateSel(sel, by) {
return EditorSelection.create(sel.ranges.map(by), sel.mainIndex);
}
function setSel(state, selection) {
return state.update({ selection, scrollIntoView: true, userEvent: "select" });
}
function moveSel({ state, dispatch }, how) {
let selection = updateSel(state.selection, how);
if (selection.eq(state.selection, true))
return false;
dispatch(setSel(state, selection));
return true;
}
function rangeEnd(range, forward) {
return EditorSelection.cursor(forward ? range.to : range.from);
}
function cursorByChar(view, forward) {
return moveSel(view, range => range.empty ? view.moveByChar(range, forward) : rangeEnd(range, forward));
}
function ltrAtCursor(view) {
return view.textDirectionAt(view.state.selection.main.head) == Direction.LTR;
}
const cursorCharLeft = view => cursorByChar(view, !ltrAtCursor(view));
const cursorCharRight = view => cursorByChar(view, ltrAtCursor(view));
const cursorCharForward = view => cursorByChar(view, true);
const cursorCharBackward = view => cursorByChar(view, false);
function byCharLogical(state, range, forward) {
let pos = range.head, line = state.doc.lineAt(pos);
if (pos == (forward ? line.to : line.from))
pos = forward ? Math.min(state.doc.length, line.to + 1) : Math.max(0, line.from - 1);
else
pos = line.from + findClusterBreak(line.text, pos - line.from, forward);
return EditorSelection.cursor(pos, forward ? -1 : 1);
}
function moveByCharLogical(target, forward) {
return moveSel(target, range => range.empty ? byCharLogical(target.state, range, forward) : rangeEnd(range, forward));
}
const cursorCharForwardLogical = target => moveByCharLogical(target, true);
const cursorCharBackwardLogical = target => moveByCharLogical(target, false);
function cursorByGroup(view, forward) {
return moveSel(view, range => range.empty ? view.moveByGroup(range, forward) : rangeEnd(range, forward));
}
const cursorGroupLeft = view => cursorByGroup(view, !ltrAtCursor(view));
const cursorGroupRight = view => cursorByGroup(view, ltrAtCursor(view));
const cursorGroupForward = view => cursorByGroup(view, true);
const cursorGroupBackward = view => cursorByGroup(view, false);
function toGroupStart(view, pos, start) {
let categorize = view.state.charCategorizer(pos);
let cat = categorize(start), initial = cat != CharCategory.Space;
return (next) => {
let nextCat = categorize(next);
if (nextCat != CharCategory.Space)
return initial && nextCat == cat;
initial = false;
return true;
};
}
const cursorGroupForwardWin = view => {
return moveSel(view, range => range.empty
? view.moveByChar(range, true, start => toGroupStart(view, range.head, start))
: rangeEnd(range, true));
};
const segmenter = typeof Intl != "undefined" && Intl.Segmenter ?
new (Intl.Segmenter)(undefined, { granularity: "word" }) : null;
function moveBySubword(view, range, forward) {
let categorize = view.state.charCategorizer(range.from);
let cat = CharCategory.Space, pos = range.from, steps = 0;
let done = false, sawUpper = false, sawLower = false;
let step = (next) => {
if (done)
return false;
pos += forward ? next.length : -next.length;
let nextCat = categorize(next), ahead;
if (nextCat == CharCategory.Word && next.charCodeAt(0) < 128 && /[\W_]/.test(next))
nextCat = -1;
if (cat == CharCategory.Space)
cat = nextCat;
if (cat != nextCat)
return false;
if (cat == CharCategory.Word) {
if (next.toLowerCase() == next) {
if (!forward && sawUpper)
return false;
sawLower = true;
}
else if (sawLower) {
if (forward)
return false;
done = true;
}
else {
if (sawUpper && forward && categorize(ahead = view.state.sliceDoc(pos, pos + 1)) == CharCategory.Word &&
ahead.toLowerCase() == ahead)
return false;
sawUpper = true;
}
}
steps++;
return true;
};
let end = view.moveByChar(range, forward, start => {
step(start);
return step;
});
if (segmenter && cat == CharCategory.Word && end.from == range.from + steps * (forward ? 1 : -1)) {
let from = Math.min(range.head, end.head), to = Math.max(range.head, end.head);
let skipped = view.state.sliceDoc(from, to);
if (skipped.length > 1 && /[\u4E00-\uffff]/.test(skipped)) {
let segments = Array.from(segmenter.segment(skipped));
if (segments.length > 1) {
if (forward)
return EditorSelection.cursor(range.head + segments[1].index, -1);
return EditorSelection.cursor(end.head + segments[segments.length - 1].index, 1);
}
}
}
return end;
}
function cursorBySubword(view, forward) {
return moveSel(view, range => range.empty ? moveBySubword(view, range, forward) : rangeEnd(range, forward));
}
const cursorSubwordForward = view => cursorBySubword(view, true);
const cursorSubwordBackward = view => cursorBySubword(view, false);
function interestingNode(state, node, bracketProp) {
if (node.type.prop(bracketProp))
return true;
let len = node.to - node.from;
return len && (len > 2 || /[^\s,.;:]/.test(state.sliceDoc(node.from, node.to))) || node.firstChild;
}
function moveBySyntax(state, start, forward) {
let pos = syntaxTree(state).resolveInner(start.head);
let bracketProp = forward ? NodeProp.closedBy : NodeProp.openedBy;
for (let at = start.head;;) {
let next = forward ? pos.childAfter(at) : pos.childBefore(at);
if (!next)
break;
if (interestingNode(state, next, bracketProp))
pos = next;
else
at = forward ? next.to : next.from;
}
let bracket = pos.type.prop(bracketProp), match, newPos;
if (bracket && (match = forward ? matchBrackets(state, pos.from, 1) : matchBrackets(state, pos.to, -1)) && match.matched)
newPos = forward ? match.end.to : match.end.from;
else
newPos = forward ? pos.to : pos.from;
return EditorSelection.cursor(newPos, forward ? -1 : 1);
}
const cursorSyntaxLeft = view => moveSel(view, range => moveBySyntax(view.state, range, !ltrAtCursor(view)));
const cursorSyntaxRight = view => moveSel(view, range => moveBySyntax(view.state, range, ltrAtCursor(view)));
function cursorByLine(view, forward) {
return moveSel(view, range => {
if (!range.empty)
return rangeEnd(range, forward);
let moved = view.moveVertically(range, forward);
return moved.head != range.head ? moved : view.moveToLineBoundary(range, forward);
});
}
const cursorLineUp = view => cursorByLine(view, false);
const cursorLineDown = view => cursorByLine(view, true);
function pageInfo(view) {
let selfScroll = view.scrollDOM.clientHeight < view.scrollDOM.scrollHeight - 2;
let marginTop = 0, marginBottom = 0, height;
if (selfScroll) {
for (let source of view.state.facet(EditorView.scrollMargins)) {
let margins = source(view);
if (margins === null || margins === void 0 ? void 0 : margins.top)
marginTop = Math.max(margins === null || margins === void 0 ? void 0 : margins.top, marginTop);
if (margins === null || margins === void 0 ? void 0 : margins.bottom)
marginBottom = Math.max(margins === null || margins === void 0 ? void 0 : margins.bottom, marginBottom);
}
height = view.scrollDOM.clientHeight - marginTop - marginBottom;
}
else {
height = (view.dom.ownerDocument.defaultView || window).innerHeight;
}
return { marginTop, marginBottom, selfScroll,
height: Math.max(view.defaultLineHeight, height - 5) };
}
function cursorByPage(view, forward) {
let page = pageInfo(view);
let { state } = view, selection = updateSel(state.selection, range => {
return range.empty ? view.moveVertically(range, forward, page.height)
: rangeEnd(range, forward);
});
if (selection.eq(state.selection))
return false;
let effect;
if (page.selfScroll) {
let startPos = view.coordsAtPos(state.selection.main.head);
let scrollRect = view.scrollDOM.getBoundingClientRect();
let scrollTop = scrollRect.top + page.marginTop, scrollBottom = scrollRect.bottom - page.marginBottom;
if (startPos && startPos.top > scrollTop && startPos.bottom < scrollBottom)
effect = EditorView.scrollIntoView(selection.main.head, { y: "start", yMargin: startPos.top - scrollTop });
}
view.dispatch(setSel(state, selection), { effects: effect });
return true;
}
const cursorPageUp = view => cursorByPage(view, false);
const cursorPageDown = view => cursorByPage(view, true);
function moveByLineBoundary(view, start, forward) {
let line = view.lineBlockAt(start.head), moved = view.moveToLineBoundary(start, forward);
if (moved.head == start.head && moved.head != (forward ? line.to : line.from))
moved = view.moveToLineBoundary(start, forward, false);
if (!forward && moved.head == line.from && line.length) {
let space = /^\s*/.exec(view.state.sliceDoc(line.from, Math.min(line.from + 100, line.to)))[0].length;
if (space && start.head != line.from + space)
moved = EditorSelection.cursor(line.from + space);
}
return moved;
}
const cursorLineBoundaryForward = view => moveSel(view, range => moveByLineBoundary(view, range, true));
const cursorLineBoundaryBackward = view => moveSel(view, range => moveByLineBoundary(view, range, false));
const cursorLineBoundaryLeft = view => moveSel(view, range => moveByLineBoundary(view, range, !ltrAtCursor(view)));
const cursorLineBoundaryRight = view => moveSel(view, range => moveByLineBoundary(view, range, ltrAtCursor(view)));
const cursorLineStart = view => moveSel(view, range => EditorSelection.cursor(view.lineBlockAt(range.head).from, 1));
const cursorLineEnd = view => moveSel(view, range => EditorSelection.cursor(view.lineBlockAt(range.head).to, -1));
function toMatchingBracket(state, dispatch, extend) {
let found = false, selection = updateSel(state.selection, range => {
let matching = matchBrackets(state, range.head, -1)
|| matchBrackets(state, range.head, 1)
|| (range.head > 0 && matchBrackets(state, range.head - 1, 1))
|| (range.head < state.doc.length && matchBrackets(state, range.head + 1, -1));
if (!matching || !matching.end)
return range;
found = true;
let head = matching.start.from == range.head ? matching.end.to : matching.end.from;
return extend ? EditorSelection.range(range.anchor, head) : EditorSelection.cursor(head);
});
if (!found)
return false;
dispatch(setSel(state, selection));
return true;
}
const cursorMatchingBracket = ({ state, dispatch }) => toMatchingBracket(state, dispatch, false);
const selectMatchingBracket = ({ state, dispatch }) => toMatchingBracket(state, dispatch, true);
function extendSel(target, how) {
let selection = updateSel(target.state.selection, range => {
let head = how(range);
return EditorSelection.range(range.anchor, head.head, head.goalColumn, head.bidiLevel || undefined);
});
if (selection.eq(target.state.selection))
return false;
target.dispatch(setSel(target.state, selection));
return true;
}
function selectByChar(view, forward) {
return extendSel(view, range => view.moveByChar(range, forward));
}
const selectCharLeft = view => selectByChar(view, !ltrAtCursor(view));
const selectCharRight = view => selectByChar(view, ltrAtCursor(view));
const selectCharForward = view => selectByChar(view, true);
const selectCharBackward = view => selectByChar(view, false);
const selectCharForwardLogical = target => extendSel(target, range => byCharLogical(target.state, range, true));
const selectCharBackwardLogical = target => extendSel(target, range => byCharLogical(target.state, range, false));
function selectByGroup(view, forward) {
return extendSel(view, range => view.moveByGroup(range, forward));
}
const selectGroupLeft = view => selectByGroup(view, !ltrAtCursor(view));
const selectGroupRight = view => selectByGroup(view, ltrAtCursor(view));
const selectGroupForward = view => selectByGroup(view, true);
const selectGroupBackward = view => selectByGroup(view, false);
const selectGroupForwardWin = view => {
return extendSel(view, range => view.moveByChar(range, true, start => toGroupStart(view, range.head, start)));
};
function selectBySubword(view, forward) {
return extendSel(view, range => moveBySubword(view, range, forward));
}
const selectSubwordForward = view => selectBySubword(view, true);
const selectSubwordBackward = view => selectBySubword(view, false);
const selectSyntaxLeft = view => extendSel(view, range => moveBySyntax(view.state, range, !ltrAtCursor(view)));
const selectSyntaxRight = view => extendSel(view, range => moveBySyntax(view.state, range, ltrAtCursor(view)));
function selectByLine(view, forward) {
return extendSel(view, range => view.moveVertically(range, forward));
}
const selectLineUp = view => selectByLine(view, false);
const selectLineDown = view => selectByLine(view, true);
function selectByPage(view, forward) {
return extendSel(view, range => view.moveVertically(range, forward, pageInfo(view).height));
}
const selectPageUp = view => selectByPage(view, false);
const selectPageDown = view => selectByPage(view, true);
const selectLineBoundaryForward = view => extendSel(view, range => moveByLineBoundary(view, range, true));
const selectLineBoundaryBackward = view => extendSel(view, range => moveByLineBoundary(view, range, false));
const selectLineBoundaryLeft = view => extendSel(view, range => moveByLineBoundary(view, range, !ltrAtCursor(view)));
const selectLineBoundaryRight = view => extendSel(view, range => moveByLineBoundary(view, range, ltrAtCursor(view)));
const selectLineStart = view => extendSel(view, range => EditorSelection.cursor(view.lineBlockAt(range.head).from));
const selectLineEnd = view => extendSel(view, range => EditorSelection.cursor(view.lineBlockAt(range.head).to));
const cursorDocStart = ({ state, dispatch }) => {
dispatch(setSel(state, { anchor: 0 }));
return true;
};
const cursorDocEnd = ({ state, dispatch }) => {
dispatch(setSel(state, { anchor: state.doc.length }));
return true;
};
const selectDocStart = ({ state, dispatch }) => {
dispatch(setSel(state, { anchor: state.selection.main.anchor, head: 0 }));
return true;
};
const selectDocEnd = ({ state, dispatch }) => {
dispatch(setSel(state, { anchor: state.selection.main.anchor, head: state.doc.length }));
return true;
};
const selectAll = ({ state, dispatch }) => {
dispatch(state.update({ selection: { anchor: 0, head: state.doc.length }, userEvent: "select" }));
return true;
};
const selectLine = ({ state, dispatch }) => {
let ranges = selectedLineBlocks(state).map(({ from, to }) => EditorSelection.range(from, Math.min(to + 1, state.doc.length)));
dispatch(state.update({ selection: EditorSelection.create(ranges), userEvent: "select" }));
return true;
};
const selectParentSyntax = ({ state, dispatch }) => {
let selection = updateSel(state.selection, range => {
let tree = syntaxTree(state), stack = tree.resolveStack(range.from, 1);
if (range.empty) {
let stackBefore = tree.resolveStack(range.from, -1);
if (stackBefore.node.from >= stack.node.from && stackBefore.node.to <= stack.node.to)
stack = stackBefore;
}
for (let cur = stack; cur; cur = cur.next) {
let { node } = cur;
if (((node.from < range.from && node.to >= range.to) ||
(node.to > range.to && node.from <= range.from)) &&
cur.next)
return EditorSelection.range(node.to, node.from);
}
return range;
});
if (selection.eq(state.selection))
return false;
dispatch(setSel(state, selection));
return true;
};
function addCursorVertically(view, forward) {
let { state } = view, sel = state.selection, ranges = state.selection.ranges.slice();
for (let range of state.selection.ranges) {
let line = state.doc.lineAt(range.head);
if (forward ? line.to < view.state.doc.length : line.from > 0)
for (let cur = range;;) {
let next = view.moveVertically(cur, forward);
if (next.head < line.from || next.head > line.to) {
if (!ranges.some(r => r.head == next.head))
ranges.push(next);
break;
}
else if (next.head == cur.head) {
break;
}
else {
cur = next;
}
}
}
if (ranges.length == sel.ranges.length)
return false;
view.dispatch(setSel(state, EditorSelection.create(ranges, ranges.length - 1)));
return true;
}
const addCursorAbove = view => addCursorVertically(view, false);
const addCursorBelow = view => addCursorVertically(view, true);
const simplifySelection = ({ state, dispatch }) => {
let cur = state.selection, selection = null;
if (cur.ranges.length > 1)
selection = EditorSelection.create([cur.main]);
else if (!cur.main.empty)
selection = EditorSelection.create([EditorSelection.cursor(cur.main.head)]);
if (!selection)
return false;
dispatch(setSel(state, selection));
return true;
};
function deleteBy(target, by) {
if (target.state.readOnly)
return false;
let event = "delete.selection", { state } = target;
let changes = state.changeByRange(range => {
let { from, to } = range;
if (from == to) {
let towards = by(range);
if (towards < from) {
event = "delete.backward";
towards = skipAtomic(target, towards, false);
}
else if (towards > from) {
event = "delete.forward";
towards = skipAtomic(target, towards, true);
}
from = Math.min(from, towards);
to = Math.max(to, towards);
}
else {
from = skipAtomic(target, from, false);
to = skipAtomic(target, to, true);
}
return from == to ? { range } : { changes: { from, to }, range: EditorSelection.cursor(from, from < range.head ? -1 : 1) };
});
if (changes.changes.empty)
return false;
target.dispatch(state.update(changes, {
scrollIntoView: true,
userEvent: event,
effects: event == "delete.selection" ? EditorView.announce.of(state.phrase("Selection deleted")) : undefined
}));
return true;
}
function skipAtomic(target, pos, forward) {
if (target instanceof EditorView)
for (let ranges of target.state.facet(EditorView.atomicRanges).map(f => f(target)))
ranges.between(pos, pos, (from, to) => {
if (from < pos && to > pos)
pos = forward ? to : from;
});
return pos;
}
const deleteByChar = (target, forward, byIndentUnit) => deleteBy(target, range => {
let pos = range.from, { state } = target, line = state.doc.lineAt(pos), before, targetPos;
if (byIndentUnit && !forward && pos > line.from && pos < line.from + 200 &&
!/[^ \t]/.test(before = line.text.slice(0, pos - line.from))) {
if (before[before.length - 1] == "\t")
return pos - 1;
let col = countColumn(before, state.tabSize), drop = col % getIndentUnit(state) || getIndentUnit(state);
for (let i = 0; i < drop && before[before.length - 1 - i] == " "; i++)
pos--;
targetPos = pos;
}
else {
targetPos = findClusterBreak(line.text, pos - line.from, forward, forward) + line.from;
if (targetPos == pos && line.number != (forward ? state.doc.lines : 1))
targetPos += forward ? 1 : -1;
else if (!forward && /[\ufe00-\ufe0f]/.test(line.text.slice(targetPos - line.from, pos - line.from)))
targetPos = findClusterBreak(line.text, targetPos - line.from, false, false) + line.from;
}
return targetPos;
});
const deleteCharBackward = view => deleteByChar(view, false, true);
const deleteCharBackwardStrict = view => deleteByChar(view, false, false);
const deleteCharForward = view => deleteByChar(view, true, false);
const deleteByGroup = (target, forward) => deleteBy(target, range => {
let pos = range.head, { state } = target, line = state.doc.lineAt(pos);
let categorize = state.charCategorizer(pos);
for (let cat = null;;) {
if (pos == (forward ? line.to : line.from)) {
if (pos == range.head && line.number != (forward ? state.doc.lines : 1))
pos += forward ? 1 : -1;
break;
}
let next = findClusterBreak(line.text, pos - line.from, forward) + line.from;
let nextChar = line.text.slice(Math.min(pos, next) - line.from, Math.max(pos, next) - line.from);
let nextCat = categorize(nextChar);
if (cat != null && nextCat != cat)
break;
if (nextChar != " " || pos != range.head)
cat = nextCat;
pos = next;
}
return pos;
});
const deleteGroupBackward = target => deleteByGroup(target, false);
const deleteGroupForward = target => deleteByGroup(target, true);
const deleteGroupForwardWin = view => deleteBy(view, range => view.moveByChar(range, true, start => toGroupStart(view, range.head, start)).head);
const deleteToLineEnd = view => deleteBy(view, range => {
let lineEnd = view.lineBlockAt(range.head).to;
return range.head < lineEnd ? lineEnd : Math.min(view.state.doc.length, range.head + 1);
});
const deleteToLineStart = view => deleteBy(view, range => {
let lineStart = view.lineBlockAt(range.head).from;
return range.head > lineStart ? lineStart : Math.max(0, range.head - 1);
});
const deleteLineBoundaryBackward = view => deleteBy(view, range => {
let lineStart = view.moveToLineBoundary(range, false).head;
return range.head > lineStart ? lineStart : Math.max(0, range.head - 1);
});
const deleteLineBoundaryForward = view => deleteBy(view, range => {
let lineStart = view.moveToLineBoundary(range, true).head;
return range.head < lineStart ? lineStart : Math.min(view.state.doc.length, range.head + 1);
});
const deleteTrailingWhitespace = ({ state, dispatch }) => {
if (state.readOnly)
return false;
let changes = [];
for (let pos = 0, prev = "", iter = state.doc.iter();;) {
iter.next();
if (iter.lineBreak || iter.done) {
let trailing = prev.search(/\s+$/);
if (trailing > -1)
changes.push({ from: pos - (prev.length - trailing), to: pos });
if (iter.done)
break;
prev = "";
}
else {
prev = iter.value;
}
pos += iter.value.length;
}
if (!changes.length)
return false;
dispatch(state.update({ changes, userEvent: "delete" }));
return true;
};
const splitLine = ({ state, dispatch }) => {
if (state.readOnly)
return false;
let changes = state.changeByRange(range => {
return { changes: { from: range.from, to: range.to, insert: Text.of(["", ""]) },
range: EditorSelection.cursor(range.from) };
});
dispatch(state.update(changes, { scrollIntoView: true, userEvent: "input" }));
return true;
};
const transposeChars = ({ state, dispatch }) => {
if (state.readOnly)
return false;
let changes = state.changeByRange(range => {
if (!range.empty || range.from == 0 || range.from == state.doc.length)
return { range };
let pos = range.from, line = state.doc.lineAt(pos);
let from = pos == line.from ? pos - 1 : findClusterBreak(line.text, pos - line.from, false) + line.from;
let to = pos == line.to ? pos + 1 : findClusterBreak(line.text, pos - line.from, true) + line.from;
return { changes: { from, to, insert: state.doc.slice(pos, to).append(state.doc.slice(from, pos)) },
range: EditorSelection.cursor(to) };
});
if (changes.changes.empty)
return false;
dispatch(state.update(changes, { scrollIntoView: true, userEvent: "move.character" }));
return true;
};
function selectedLineBlocks(state) {
let blocks = [], upto = -1;
for (let range of state.selection.ranges) {
let startLine = state.doc.lineAt(range.from), endLine = state.doc.lineAt(range.to);
if (!range.empty && range.to == endLine.from)
endLine = state.doc.lineAt(range.to - 1);
if (upto >= startLine.number) {
let prev = blocks[blocks.length - 1];
prev.to = endLine.to;
prev.ranges.push(range);
}
else {
blocks.push({ from: startLine.from, to: endLine.to, ranges: [range] });
}
upto = endLine.number + 1;
}
return blocks;
}
function moveLine(state, dispatch, forward) {
if (state.readOnly)
return false;
let changes = [], ranges = [];
for (let block of selectedLineBlocks(state)) {
if (forward ? block.to == state.doc.length : block.from == 0)
continue;
let nextLine = state.doc.lineAt(forward ? block.to + 1 : block.from - 1);
let size = nextLine.length + 1;
if (forward) {
changes.push({ from: block.to, to: nextLine.to }, { from: block.from, insert: nextLine.text + state.lineBreak });
for (let r of block.ranges)
ranges.push(EditorSelection.range(Math.min(state.doc.length, r.anchor + size), Math.min(state.doc.length, r.head + size)));
}
else {
changes.push({ from: nextLine.from, to: block.from }, { from: block.to, insert: state.lineBreak + nextLine.text });
for (let r of block.ranges)
ranges.push(EditorSelection.range(r.anchor - size, r.head - size));
}
}
if (!changes.length)
return false;
dispatch(state.update({
changes,
scrollIntoView: true,
selection: EditorSelection.create(ranges, state.selection.mainIndex),
userEvent: "move.line"
}));
return true;
}
const moveLineUp = ({ state, dispatch }) => moveLine(state, dispatch, false);
const moveLineDown = ({ state, dispatch }) => moveLine(state, dispatch, true);
function copyLine(state, dispatch, forward) {
if (state.readOnly)
return false;
let changes = [];
for (let block of selectedLineBlocks(state)) {
if (forward)
changes.push({ from: block.from, insert: state.doc.slice(block.from, block.to) + state.lineBreak });
else
changes.push({ from: block.to, insert: state.lineBreak + state.doc.slice(block.from, block.to) });
}
let changeSet = state.changes(changes);
dispatch(state.update({
changes: changeSet,
selection: state.selection.map(changeSet, forward ? 1 : -1),
scrollIntoView: true,
userEvent: "input.copyline"
}));
return true;
}
const copyLineUp = ({ state, dispatch }) => copyLine(state, dispatch, false);
const copyLineDown = ({ state, dispatch }) => copyLine(state, dispatch, true);
const deleteLine = view => {
if (view.state.readOnly)
return false;
let { state } = view, changes = state.changes(selectedLineBlocks(state).map(({ from, to }) => {
if (from > 0)
from--;
else if (to < state.doc.length)
to++;
return { from, to };
}));
let selection = updateSel(state.selection, range => {
let dist = undefined;
if (view.lineWrapping) {
let block = view.lineBlockAt(range.head), pos = view.coordsAtPos(range.head, range.assoc || 1);
if (pos)
dist = (block.bottom + view.documentTop) - pos.bottom + view.defaultLineHeight / 2;
}
return view.moveVertically(range, true, dist);
}).map(changes);
view.dispatch({ changes, selection, scrollIntoView: true, userEvent: "delete.line" });
return true;
};
const insertNewline = ({ state, dispatch }) => {
dispatch(state.update(state.replaceSelection(state.lineBreak), { scrollIntoView: true, userEvent: "input" }));
return true;
};
const insertNewlineKeepIndent = ({ state, dispatch }) => {
dispatch(state.update(state.changeByRange(range => {
let indent = /^\s*/.exec(state.doc.lineAt(range.from).text)[0];
return {
changes: { from: range.from, to: range.to, insert: state.lineBreak + indent },
range: EditorSelection.cursor(range.from + indent.length + 1)
};
}), { scrollIntoView: true, userEvent: "input" }));
return true;
};
function isBetweenBrackets(state, pos) {
if (/\(\)|\[\]|\{\}/.test(state.sliceDoc(pos - 1, pos + 1)))
return { from: pos, to: pos };
let context = syntaxTree(state).resolveInner(pos);
let before = context.childBefore(pos), after = context.childAfter(pos), closedBy;
if (before && after && before.to <= pos && after.from >= pos &&
(closedBy = before.type.prop(NodeProp.closedBy)) && closedBy.indexOf(after.name) > -1 &&
state.doc.lineAt(before.to).from == state.doc.lineAt(after.from).from &&
!/\S/.test(state.sliceDoc(before.to, after.from)))
return { from: before.to, to: after.from };
return null;
}
const insertNewlineAndIndent = newlineAndIndent(false);
const insertBlankLine = newlineAndIndent(true);
function newlineAndIndent(atEof) {
return ({ state, dispatch }) => {
if (state.readOnly)
return false;
let changes = state.changeByRange(range => {
let { from, to } = range, line = state.doc.lineAt(from);
let explode = !atEof && from == to && isBetweenBrackets(state, from);
if (atEof)
from = to = (to <= line.to ? line : state.doc.lineAt(to)).to;
let cx = new IndentContext(state, { simulateBreak: from, simulateDoubleBreak: !!explode });
let indent = getIndentation(cx, from);
if (indent == null)
indent = countColumn(/^\s*/.exec(state.doc.lineAt(from).text)[0], state.tabSize);
while (to < line.to && /\s/.test(line.text[to - line.from]))
to++;
if (explode)
({ from, to } = explode);
else if (from > line.from && from < line.from + 100 && !/\S/.test(line.text.slice(0, from)))
from = line.from;
let insert = ["", indentString(state, indent)];
if (explode)
insert.push(indentString(state, cx.lineIndent(line.from, -1)));
return { changes: { from, to, insert: Text.of(insert) },
range: EditorSelection.cursor(from + 1 + insert[1].length) };
});
dispatch(state.update(changes, { scrollIntoView: true, userEvent: "input" }));
return true;
};
}
function changeBySelectedLine(state, f) {
let atLine = -1;
return state.changeByRange(range => {
let changes = [];
for (let pos = range.from; pos <= range.to;) {
let line = state.doc.lineAt(pos);
if (line.number > atLine && (range.empty || range.to > line.from)) {
f(line, changes, range);
atLine = line.number;
}
pos = line.to + 1;
}
let changeSet = state.changes(changes);
return { changes,
range: EditorSelection.range(changeSet.mapPos(range.anchor, 1), changeSet.mapPos(range.head, 1)) };
});
}
const indentSelection = ({ state, dispatch }) => {
if (state.readOnly)
return false;
let updated = Object.create(null);
let context = new IndentContext(state, { overrideIndentation: start => {
let found = updated[start];
return found == null ? -1 : found;
} });
let changes = changeBySelectedLine(state, (line, changes, range) => {
let indent = getIndentation(context, line.from);
if (indent == null)
return;
if (!/\S/.test(line.text))
indent = 0;
let cur = /^\s*/.exec(line.text)[0];
let norm = indentString(state, indent);
if (cur != norm || range.from < line.from + cur.length) {
updated[line.from] = indent;
changes.push({ from: line.from, to: line.from + cur.length, insert: norm });
}
});
if (!changes.changes.empty)
dispatch(state.update(changes, { userEvent: "indent" }));
return true;
};
const indentMore = ({ state, dispatch }) => {
if (state.readOnly)
return false;
dispatch(state.update(changeBySelectedLine(state, (line, changes) => {
changes.push({ from: line.from, insert: state.facet(indentUnit) });
}), { userEvent: "input.indent" }));
return true;
};
const indentLess = ({ state, dispatch }) => {
if (state.readOnly)
return false;
dispatch(state.update(changeBySelectedLine(state, (line, changes) => {
let space = /^\s*/.exec(line.text)[0];
if (!space)
return;
let col = countColumn(space, state.tabSize), keep = 0;
let insert = indentString(state, Math.max(0, col - getIndentUnit(state)));
while (keep < space.length && keep < insert.length && space.charCodeAt(keep) == insert.charCodeAt(keep))
keep++;
changes.push({ from: line.from + keep, to: line.from + space.length, insert: insert.slice(keep) });
}), { userEvent: "delete.dedent" }));
return true;
};
const toggleTabFocusMode = view => {
view.setTabFocusMode();
return true;
};
const temporarilySetTabFocusMode = view => {
view.setTabFocusMode(2000);
return true;
};
const insertTab = ({ state, dispatch }) => {
if (state.selection.ranges.some(r => !r.empty))
return indentMore({ state, dispatch });
dispatch(state.update(state.replaceSelection("\t"), { scrollIntoView: true, userEvent: "input" }));
return true;
};
const emacsStyleKeymap = [
{ key: "Ctrl-b", run: cursorCharLeft, shift: selectCharLeft, preventDefault: true },
{ key: "Ctrl-f", run: cursorCharRight, shift: selectCharRight },
{ key: "Ctrl-p", run: cursorLineUp, shift: selectLineUp },
{ key: "Ctrl-n", run: cursorLineDown, shift: selectLineDown },
{ key: "Ctrl-a", run: cursorLineStart, shift: selectLineStart },
{ key: "Ctrl-e", run: cursorLineEnd, shift: selectLineEnd },
{ key: "Ctrl-d", run: deleteCharForward },
{ key: "Ctrl-h", run: deleteCharBackward },
{ key: "Ctrl-k", run: deleteToLineEnd },
{ key: "Ctrl-Alt-h", run: deleteGroupBackward },
{ key: "Ctrl-o", run: splitLine },
{ key: "Ctrl-t", run: transposeChars },
{ key: "Ctrl-v", run: cursorPageDown },
];
const standardKeymap = [
{ key: "ArrowLeft", run: cursorCharLeft, shift: selectCharLeft, preventDefault: true },
{ key: "Mod-ArrowLeft", mac: "Alt-ArrowLeft", run: cursorGroupLeft, shift: selectGroupLeft, preventDefault: true },
{ mac: "Cmd-ArrowLeft", run: cursorLineBoundaryLeft, shift: selectLineBoundaryLeft, preventDefault: true },
{ key: "ArrowRight", run: cursorCharRight, shift: selectCharRight, preventDefault: true },
{ key: "Mod-ArrowRight", mac: "Alt-ArrowRight", run: cursorGroupRight, shift: selectGroupRight, preventDefault: true },
{ mac: "Cmd-ArrowRight", run: cursorLineBoundaryRight, shift: selectLineBoundaryRight, preventDefault: true },
{ key: "ArrowUp", run: cursorLineUp, shift: selectLineUp, preventDefault: true },
{ mac: "Cmd-ArrowUp", run: cursorDocStart, shift: selectDocStart },
{ mac: "Ctrl-ArrowUp", run: cursorPageUp, shift: selectPageUp },
{ key: "ArrowDown", run: cursorLineDown, shift: selectLineDown, preventDefault: true },
{ mac: "Cmd-ArrowDown", run: cursorDocEnd, shift: selectDocEnd },
{ mac: "Ctrl-ArrowDown", run: cursorPageDown, shift: selectPageDown },
{ key: "PageUp", run: cursorPageUp, shift: selectPageUp },
{ key: "PageDown", run: cursorPageDown, shift: selectPageDown },
{ key: "Home", run: cursorLineBoundaryBackward, shift: selectLineBoundaryBackward, preventDefault: true },
{ key: "Mod-Home", run: cursorDocStart, shift: selectDocStart },
{ key: "End", run: cursorLineBoundaryForward, shift: selectLineBoundaryForward, preventDefault: true },
{ key: "Mod-End", run: cursorDocEnd, shift: selectDocEnd },
{ key: "Enter", run: insertNewlineAndIndent, shift: insertNewlineAndIndent },
{ key: "Mod-a", run: selectAll },
{ key: "Backspace", run: deleteCharBackward, shift: deleteCharBackward, preventDefault: true },
{ key: "Delete", run: deleteCharForward, preventDefault: true },
{ key: "Mod-Backspace", mac: "Alt-Backspace", run: deleteGroupBackward, preventDefault: true },
{ key: "Mod-Delete", mac: "Alt-Delete", run: deleteGroupForward, preventDefault: true },
{ mac: "Mod-Backspace", run: deleteLineBoundaryBackward, preventDefault: true },
{ mac: "Mod-Delete", run: deleteLineBoundaryForward, preventDefault: true }
].concat(emacsStyleKeymap.map(b => ({ mac: b.key, run: b.run, shift: b.shift })));
const defaultKeymap = [
{ key: "Alt-ArrowLeft", mac: "Ctrl-ArrowLeft", run: cursorSyntaxLeft, shift: selectSyntaxLeft },
{ key: "Alt-ArrowRight", mac: "Ctrl-ArrowRight", run: cursorSyntaxRight, shift: selectSyntaxRight },
{ key: "Alt-ArrowUp", run: moveLineUp },
{ key: "Shift-Alt-ArrowUp", run: copyLineUp },
{ key: "Alt-ArrowDown", run: moveLineDown },
{ key: "Shift-Alt-ArrowDown", run: copyLineDown },
{ key: "Mod-Alt-ArrowUp", run: addCursorAbove },
{ key: "Mod-Alt-ArrowDown", run: addCursorBelow },
{ key: "Escape", run: simplifySelection },
{ key: "Mod-Enter", run: insertBlankLine },
{ key: "Alt-l", mac: "Ctrl-l", run: selectLine },
{ key: "Mod-i", run: selectParentSyntax, preventDefault: true },
{ key: "Mod-[", run: indentLess },
{ key: "Mod-]", run: indentMore },
{ key: "Mod-Alt-\\", run: indentSelection },
{ key: "Shift-Mod-k", run: deleteLine },
{ key: "Shift-Mod-\\", run: cursorMatchingBracket },
{ key: "Mod-/", run: toggleComment },
{ key: "Alt-A", run: toggleBlockComment },
{ key: "Ctrl-m", mac: "Shift-Alt-m", run: toggleTabFocusMode },
].concat(standardKeymap);
const indentWithTab = { key: "Tab", run: indentMore, shift: indentLess };
var cmCmds = /*#__PURE__*/Object.freeze({
__proto__: null,
addCursorAbove: addCursorAbove,
addCursorBelow: addCursorBelow,
blockComment: blockComment,
blockUncomment: blockUncomment,
copyLineDown: copyLineDown,
copyLineUp: copyLineUp,
cursorCharBackward: cursorCharBackward,
cursorCharBackwardLogical: cursorCharBackwardLogical,
cursorCharForward: cursorCharForward,
cursorCharForwardLogical: cursorCharForwardLogical,
cursorCharLeft: cursorCharLeft,
cursorCharRight: cursorCharRight,
cursorDocEnd: cursorDocEnd,
cursorDocStart: cursorDocStart,
cursorGroupBackward: cursorGroupBackward,
cursorGroupForward: cursorGroupForward,
cursorGroupForwardWin: cursorGroupForwardWin,
cursorGroupLeft: cursorGroupLeft,
cursorGroupRight: cursorGroupRight,
cursorLineBoundaryBackward: cursorLineBoundaryBackward,
cursorLineBoundaryForward: cursorLineBoundaryForward,
cursorLineBoundaryLeft: cursorLineBoundaryLeft,
cursorLineBoundaryRight: cursorLineBoundaryRight,
cursorLineDown: cursorLineDown,
cursorLineEnd: cursorLineEnd,
cursorLineStart: cursorLineStart,
cursorLineUp: cursorLineUp,
cursorMatchingBracket: cursorMatchingBracket,
cursorPageDown: cursorPageDown,
cursorPageUp: cursorPageUp,
cursorSubwordBackward: cursorSubwordBackward,
cursorSubwordForward: cursorSubwordForward,
cursorSyntaxLeft: cursorSyntaxLeft,
cursorSyntaxRight: cursorSyntaxRight,
defaultKeymap: defaultKeymap,
deleteCharBackward: deleteCharBackward,
deleteCharBackwardStrict: deleteCharBackwardStrict,
deleteCharForward: deleteCharForward,
deleteGroupBackward: deleteGroupBackward,
deleteGroupForward: deleteGroupForward,
deleteGroupForwardWin: deleteGroupForwardWin,
deleteLine: deleteLine,
deleteLineBoundaryBackward: deleteLineBoundaryBackward,
deleteLineBoundaryForward: deleteLineBoundaryForward,
deleteToLineEnd: deleteToLineEnd,
deleteToLineStart: deleteToLineStart,
deleteTrailingWhitespace: deleteTrailingWhitespace,
emacsStyleKeymap: emacsStyleKeymap,
history: history,
historyField: historyField,
historyKeymap: historyKeymap,
indentLess: indentLess,
indentMore: indentMore,
indentSelection: indentSelection,
indentWithTab: indentWithTab,
insertBlankLine: insertBlankLine,
insertNewline: insertNewline,
insertNewlineAndIndent: insertNewlineAndIndent,
insertNewlineKeepIndent: insertNewlineKeepIndent,
insertTab: insertTab,
invertedEffects: invertedEffects,
isolateHistory: isolateHistory,
lineComment: lineComment,
lineUncomment: lineUncomment,
moveLineDown: moveLineDown,
moveLineUp: moveLineUp,
redo: redo,
redoDepth: redoDepth,
redoSelection: redoSelection,
selectAll: selectAll,
selectCharBackward: selectCharBackward,
selectCharBackwardLogical: selectCharBackwardLogical,
selectCharForward: selectCharForward,
selectCharForwardLogical: selectCharForwardLogical,
selectCharLeft: selectCharLeft,
selectCharRight: selectCharRight,
selectDocEnd: selectDocEnd,
selectDocStart: selectDocStart,
selectGroupBackward: selectGroupBackward,
selectGroupForward: selectGroupForward,
selectGroupForwardWin: selectGroupForwardWin,
selectGroupLeft: selectGroupLeft,
selectGroupRight: selectGroupRight,
selectLine: selectLine,
selectLineBoundaryBackward: selectLineBoundaryBackward,
selectLineBoundaryForward: selectLineBoundaryForward,
selectLineBoundaryLeft: selectLineBoundaryLeft,
selectLineBoundaryRight: selectLineBoundaryRight,
selectLineDown: selectLineDown,
selectLineEnd: selectLineEnd,
selectLineStart: selectLineStart,
selectLineUp: selectLineUp,
selectMatchingBracket: selectMatchingBracket,
selectPageDown: selectPageDown,
selectPageUp: selectPageUp,
selectParentSyntax: selectParentSyntax,
selectSubwordBackward: selectSubwordBackward,
selectSubwordForward: selectSubwordForward,
selectSyntaxLeft: selectSyntaxLeft,
selectSyntaxRight: selectSyntaxRight,
simplifySelection: simplifySelection,
splitLine: splitLine,
standardKeymap: standardKeymap,
temporarilySetTabFocusMode: temporarilySetTabFocusMode,
toggleBlockComment: toggleBlockComment,
toggleBlockCommentByLine: toggleBlockCommentByLine,
toggleComment: toggleComment,
toggleLineComment: toggleLineComment,
toggleTabFocusMode: toggleTabFocusMode,
transposeChars: transposeChars,
undo: undo,
undoDepth: undoDepth,
undoSelection: undoSelection
});
window.__mm_deps = {
cm: {
state: cmState,
view: cmView,
langJS: javascript,
search: cmSearch,
lang: cmLang,
cmds: cmCmds,
},
};
})();