Format JSON data in a beautiful way.
(function () {
'use strict';
// ==UserScript==
// @name JSON formatter
// @namespace http://gerald.top
// @author Gerald <[email protected]>
// @icon http://cn.gravatar.com/avatar/a0ad718d86d21262ccd6ff271ece08a3?s=80
// @description Format JSON data in a beautiful way.
// @description:zh-CN 更加漂亮地显示JSON数据。
// @version 2.0.3
// @require https://cdn.jsdelivr.net/npm/vm.jsx
// @require https://cdn.jsdelivr.net/npm/[email protected]
// @match *://*/*
// @match file:///*
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_addStyle
// @grant GM_registerMenuCommand
// @grant GM_setClipboard
// ==/UserScript==
const css = "*{margin:0;padding:0}body,html{font-family:Menlo,Microsoft YaHei,Tahoma}#json-formatter{position:relative;margin:0;padding:2em 1em 1em 2em;font-size:14px;line-height:1.5}#json-formatter>pre{white-space:pre-wrap}#json-formatter>pre:not(.show-commas) .comma,#json-formatter>pre:not(.show-quotes) .quote{display:none}.subtle{color:#999}.number{color:#ff8c00}.null{color:grey}.key{color:brown}.string{color:green}.boolean{color:#1e90ff}.bracket{color:#00f}.item{cursor:pointer}.content{padding-left:2em}.collapse>span>.content{display:inline;padding-left:0}.collapse>span>.content>*{display:none}.collapse>span>.content:before{content:\"...\"}.complex{position:relative}.complex:before{content:\"\";position:absolute;top:1.5em;left:-.5em;bottom:.7em;margin-left:-1px;border-left:1px dashed #999}.complex.collapse:before{display:none}.folder{color:#999;position:absolute;top:0;left:-1em;width:1em;text-align:center;transform:rotate(90deg);transition:transform .3s;cursor:pointer}.collapse>.folder{transform:rotate(0)}.summary{color:#999;margin-left:1em}:not(.collapse)>.summary{display:none}.tips{position:absolute;padding:.5em;border-radius:.5em;box-shadow:0 0 1em grey;background:#fff;z-index:1;white-space:nowrap;color:#000}.tips-key{font-weight:700}.tips-val{color:#1e90ff}.tips-link{color:#6a5acd}.menu{position:fixed;top:0;right:0;background:#fff;padding:5px;user-select:none;z-index:10}.menu>span{display:inline-block;padding:4px 8px;margin-right:5px;border-radius:4px;background:#ddd;border:1px solid #ddd;cursor:pointer}.menu>span.toggle:not(.active){background:none}";
const h = VM.createElement;
const gap = 5;
const formatter = {
options: [{
key: 'show-quotes',
title: '"',
def: true
}, {
key: 'show-commas',
title: ',',
def: true
}]
};
const config = { ...formatter.options.reduce((res, item) => {
res[item.key] = item.def;
return res;
}, {}),
...GM_getValue('config')
};
if (['application/json', 'text/plain', 'application/javascript', 'text/javascript'].includes(document.contentType)) formatJSON();
GM_registerMenuCommand('Toggle JSON format', formatJSON);
function createQuote() {
return h("span", {
className: "subtle quote"
}, "\"");
}
function createComma() {
return h("span", {
className: "subtle comma"
}, ",");
}
function loadJSON() {
const raw = document.body.innerText; // LosslessJSON is much slower than native JSON, so we just use it for small JSON files.
const JSON = raw.length > 1024000 ? window.JSON : window.LosslessJSON;
try {
// JSON
const content = JSON.parse(raw);
return {
raw,
content
};
} catch (e) {// not JSON
}
try {
// JSONP
const parts = raw.match(/^(.*?\w\s*\()(.+)(\)[;\s]*)$/);
const content = JSON.parse(parts[2]);
return {
raw,
content,
prefix: h("span", {
className: "subtle"
}, parts[1].trim()),
suffix: h("span", {
className: "subtle"
}, parts[3].trim())
};
} catch (e) {// not JSONP
}
}
function formatJSON() {
if (formatter.formatted) return;
formatter.formatted = true;
formatter.data = loadJSON();
if (!formatter.data) return;
formatter.style = GM_addStyle(css);
formatter.root = h("div", {
id: "json-formatter"
});
document.body.innerHTML = '';
document.body.append(formatter.root);
initTips();
initMenu();
bindEvents();
generateNodes(formatter.data, formatter.root);
}
function generateNodes(data, container) {
const rootSpan = h("span", null);
const root = h("div", null, rootSpan);
const pre = h("pre", null, root);
formatter.pre = pre;
const queue = [{
el: rootSpan,
elBlock: root,
...data
}];
while (queue.length) {
const item = queue.shift();
const {
el,
content,
prefix,
suffix
} = item;
if (prefix) el.append(prefix);
if (Array.isArray(content)) {
queue.push(...generateArray(item));
} else if (isObject(content)) {
queue.push(...generateObject(item));
} else {
const type = typeOf(content);
if (type === 'string') el.append(createQuote());
const node = h("span", {
className: `${type} item`,
"data-type": type,
"data-value": content
}, toString(content));
el.append(node);
if (type === 'string') el.append(createQuote());
}
if (suffix) el.append(suffix);
}
container.append(pre);
updateView();
}
function isObject(item) {
if (item instanceof window.LosslessJSON.LosslessNumber) return false;
return item && typeof item === 'object';
}
function typeOf(item) {
if (item == null) return 'null';
if (item instanceof window.LosslessJSON.LosslessNumber) return 'number';
return typeof item;
}
function toString(content) {
if (content instanceof window.LosslessJSON.LosslessNumber) return content.toString();
return `${content}`;
}
function setFolder(el, length) {
if (length) {
el.classList.add('complex');
el.append(h("div", {
className: "folder"
}, '\u25b8'), h("span", {
className: "summary"
}, `// ${length} items`));
}
}
function generateArray({
el,
elBlock,
content
}) {
const elContent = content.length && h("div", {
className: "content"
});
setFolder(elBlock, content.length);
el.append(h("span", {
className: "bracket"
}, "["), elContent || ' ', h("span", {
className: "bracket"
}, "]"));
return content.map((item, i) => {
const elValue = h("span", null);
const elChild = h("div", null, elValue);
elContent.append(elChild);
if (i < content.length - 1) elChild.append(createComma());
return {
el: elValue,
elBlock: elChild,
content: item
};
});
}
function generateObject({
el,
elBlock,
content
}) {
const keys = Object.keys(content);
const elContent = keys.length && h("div", {
className: "content"
});
setFolder(elBlock, keys.length);
el.append(h("span", {
className: "bracket"
}, '{'), elContent || ' ', h("span", {
className: "bracket"
}, '}'));
return keys.map((key, i) => {
const elValue = h("span", null);
const elChild = h("div", null, createQuote(), h("span", {
className: "key item",
"data-type": typeof key
}, key), createQuote(), ': ', elValue);
if (i < keys.length - 1) elChild.append(createComma());
elContent.append(elChild);
return {
el: elValue,
content: content[key],
elBlock: elChild
};
});
}
function updateView() {
formatter.options.forEach(({
key
}) => {
formatter.pre.classList[config[key] ? 'add' : 'remove'](key);
});
}
function removeEl(el) {
el.remove();
}
function initMenu() {
const handleCopy = () => {
GM_setClipboard(formatter.data.raw);
};
const handleMenuClick = e => {
const el = e.target;
const {
key
} = el.dataset;
if (key) {
config[key] = !config[key];
GM_setValue('config', config);
el.classList.toggle('active');
updateView();
}
};
formatter.root.append(h("div", {
className: "menu",
onClick: handleMenuClick
}, h("span", {
onClick: handleCopy
}, "Copy"), formatter.options.map(item => h("span", {
className: `toggle${config[item.key] ? ' active' : ''}`,
dangerouslySetInnerHTML: {
__html: item.title
},
"data-key": item.key
}))));
}
function initTips() {
const tips = h("div", {
className: "tips",
onClick: e => {
e.stopPropagation();
}
});
const hide = () => removeEl(tips);
document.addEventListener('click', hide, false);
formatter.tips = {
node: tips,
hide,
show(range) {
const {
scrollTop
} = document.body;
const rects = range.getClientRects();
let rect;
if (rects[0].top < 100) {
rect = rects[rects.length - 1];
tips.style.top = `${rect.bottom + scrollTop + gap}px`;
tips.style.bottom = '';
} else {
[rect] = rects;
tips.style.top = '';
tips.style.bottom = `${formatter.root.offsetHeight - rect.top - scrollTop + gap}px`;
}
tips.style.left = `${rect.left}px`;
const {
type,
value
} = range.startContainer.dataset;
tips.innerHTML = '';
tips.append(h("span", {
class: "tips-key"
}, "type"), ': ', h("span", {
class: "tips-val",
dangerouslySetInnerHTML: {
__html: type
}
}));
if (type === 'string' && /^(https?|ftps?):\/\/\S+/.test(value)) {
tips.append(h("br", null), h("a", {
class: "tips-link",
href: value,
target: "_blank"
}, "Open link"));
}
formatter.root.append(tips);
}
};
}
function selectNode(node) {
const selection = window.getSelection();
selection.removeAllRanges();
const range = document.createRange();
range.setStartBefore(node.firstChild);
range.setEndAfter(node.firstChild);
selection.addRange(range);
return range;
}
function bindEvents() {
formatter.root.addEventListener('click', e => {
e.stopPropagation();
const {
target
} = e;
if (target.classList.contains('item')) {
formatter.tips.show(selectNode(target));
} else {
formatter.tips.hide();
}
if (target.classList.contains('folder')) {
target.parentNode.classList.toggle('collapse');
}
}, false);
}
}());