Json edit

JSON editor dialog (intended as a library for userscripts)

لا ينبغي أن لا يتم تثبيت هذا السكريت مباشرة. هو مكتبة لسكبتات لتشمل مع التوجيه الفوقية // @require https://update.greasyfork.org/scripts/441035/1250389/Json%20edit.js

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

ستحتاج إلى تثبيت إضافة مثل Stylus لتثبيت هذا النمط.

ستحتاج إلى تثبيت إضافة لإدارة أنماط المستخدم لتتمكن من تثبيت هذا النمط.

ستحتاج إلى تثبيت إضافة لإدارة أنماط المستخدم لتثبيت هذا النمط.

ستحتاج إلى تثبيت إضافة لإدارة أنماط المستخدم لتثبيت هذا النمط.

(لدي بالفعل مثبت أنماط للمستخدم، دعني أقم بتثبيته!)

// ==UserScript==
// @name         Json edit
// @namespace    https://agregen.gitlab.io/
// @version      0.0.1
// @description  JSON editor dialog (intended as a library for userscripts)
// @author       agreg
// @license      MIT
// @match        http://localhost:*
// @require      https://cdnjs.cloudflare.com/ajax/libs/prism/1.27.0/prism.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/prism/1.27.0/components/prism-json.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/prism/1.27.0/plugins/match-braces/prism-match-braces.min.js
// ==/UserScript==

var Prism, $jsonEdit = (() => {
  const [TAB, NEWLINE, AMPERSAND, LESS_THAN, NONBREAKING_SPACE] = ['\t', '\n', "&", "<", " "];
  let {isArray} = Array,  isColl = x => x && (typeof x === 'object'); // ignoring non-JSON types
  let spaces = n => Array.from({length: n}, _ => " ").join("");
  let compactItems = (items, {width, indent}) => items.slice(1).reduce((ss, s) => {
    (ss[0].length + 2 + s.length > width ? ss.unshift(s) : (ss[0] += ", " + s));
    return ss;
  }, [items[0]]).reverse().join(`,\n${indent}`);

  let pformat = (x, {indent="", width=80, sparse=false, compact=false}={}) => {
    if (!isColl(x))
      return JSON.stringify(x);
    let [bLeft, bRight] = (isArray(x) ? ["[", "]"] : ["{", "}"]);
    let _indent = isArray(x) ? (k => spaces(sparse ? 0 : 1)) : (k => spaces(sparse ? 2 : 3+k.length));
    let kvs = Object.entries(x).map(([k, v]) => [JSON.stringify(!isArray(x) ? k : Number(k)), v]);
    let items = kvs.map(([k, v]) => [k, pformat(v, {width, sparse, compact, indent: indent+_indent(k)})])
                   .map(([k, v]) => (isArray(x) ? v : `${k}: ${v}`));
    let len = indent.length + items.map(s => 2+s.length).reduce((a, b) => a+b, 0);
    let flat = !items.some(s => s.includes(NEWLINE));
    let _wrap = (s, wrap=s.includes(NEWLINE) && !(isArray(x) && !flat)) => !wrap ? s : `\n${indent}  ${s}\n${indent}`;
    let _compact = (sep, {_sparse=sparse, _indent=indent+" ", _width=width-_indent.length+1}={}) =>
      (_sparse   ? _wrap(_compact(sep, {_sparse: false, _width: _width-2, _indent: (flat ? _indent+" " : indent)})) :
       !compact || !flat ? items.join((sparse && !flat) || (flat && (len <= width)) ? ", " : sep) :
       compactItems(items, {width: _width, indent: _indent}));
    return bLeft + (flat && (items.length < 2) ? items[0] || "" :
                    !sparse                    ? _compact(`,\n ${indent}`) :
                    isArray(x)                 ? _compact(`,\n  ${indent}`) :
                    _wrap(items.join(`,\n  ${indent}`), true)) + bRight;
  };

  class ParseError extends Error {
    constructor(msg, {position, ...options}) {super(msg, options);  this.position = Number(position)}
  }

  let _humanize = s => JSON.stringify( `${s||""}`.replace(/^[a-z]/, c => c.toUpperCase()) ).slice(1, -1);
  let parseJson = s => {
    try {
      return JSON.parse(s);
    } catch (e) {
      let match, _msg = s => _humanize( `${s||""}`.replaceAll(TAB, "\tab").replaceAll(NEWLINE, "\newline") ); // [sic]
      if (match = e.message.match(/^([^]*) in JSON at position ([0-9]+)$|^(Unexpected end of JSON input)$/)) {
        let [_, msg, pos, altMsg] = match;
        return new ParseError(_msg(msg||altMsg), {cause: e, position: pos||s.length});
      } else if (match = e.message.match(/^JSON\.parse: ([^]*) at line ([0-9]+) column ([0-9]+) of the JSON data$/)) {
        let [_, msg, row, col] = match;
        return new ParseError(_msg(msg), {cause: e, position: Number(col) + (row == 1 ? -1 : s.split('\n').slice(0, row-1).join('\n').length)});
      } else {
        console.warn(e);
        return new ParseError(_msg(e.message), {cause: e, position: 0});
      }
    }
  };

  let captureTab = editor => event => {
    if (event.key == "Tab") {
      event.preventDefault();
      let before = editor.value.slice(0, editor.selectionStart);
      let after = editor.value.slice(editor.selectionEnd, editor.value.length);
      let pos = editor.selectionEnd + 1;
      editor.value = before + TAB + after;
      editor.selectionStart = editor.selectionEnd = pos;
      update(editor.value);
    }
  }

  let $e = (tag, attrs, ...children) => {
    let e = Object.assign(document.createElement(tag), attrs);
    children.forEach(child => e.append(typeof child != 'string' ? child : document.createTextNode(child)));
    return e;
  };

  let theme = selector => `${selector} pre {color:white; background:black}
                           ${selector} .token.string {color:slateblue}
                           ${selector} .token.property {color:orange}
                           ${selector} .token.number {color:green}
                           ${selector} .token:is(.boolean, .null) {color:deeppink}
                           ${selector} .token.operator {color:yellowgreen}
                           ${selector} .token.punctuation {color:grey}
                           ${selector} .token:is(.brace-level-2, .brace-level-6, .brace-level-10) {color:#388}
                           ${selector} .token:is(.brace-level-3, .brace-level-7, .brace-level-11) {color:#838}
                           ${selector} .token:is(.brace-level-4, .brace-level-8, .brace-level-12) {color:#883}`;

  let createEditorModal = (id, {maxWidth='90%'}={}) => {
    const ID = '#'+id;
    let style = $e('style', {},
      `${ID} {position:fixed; height:calc(90vh - 2em); top:5vh; width:calc(90vw - 2em);
              max-width:${maxWidth}; left:0; right:0; margin:0 auto; z-index:1000}
       ${ID}, ${ID} .window {display:flex; flex-direction:column}
       ${ID} .title {padding:0 1em; background:lightgrey; font-weight:bold; font-size:larger}
       ${ID} .window {position: relative; padding:1em; padding-top:0; background:grey}
       ${ID} :is(.title, .window > *) {flex:0}   ${ID} :is(.window, .editor) {flex-grow:1}
       ${ID} .editor {position:relative; height:calc(100% - 6em)}
       ${ID} .editor > * {position:absolute; top:0; left:0; width:calc(100% - 6px); height:100%; overflow:auto; margin:0}
       ${ID} .editor :is(textarea, pre) {font-family:monospace; font-size:15pt; line-height:20pt;
                                         border-radius:5px; white-space:pre; hyphens:none}
       ${ID}.text .editor :is(textarea, pre) {white-space:pre-wrap; word-wrap:break-word}
       ${ID} .editor textarea {resize:none; z-index:2; background:transparent; color:transparent; caret-color:white}
       ${ID} .editor pre {z-index:1; margin:0; overflow:auto; padding:3px}
       @-moz-document url-prefix() {${ID} .editor pre {padding:4px}}

       ${theme(ID)}

       ${ID} :is(.toolbar, .buttons) {margin-top:1em; display:flex; justify-content:space-evenly}
       ${ID} .toolbar input[type=number] {width:4em; background:white}
       ${ID} .error {color:yellow; font-weight:bold; font-family:monospace}`);
    setTimeout(() => document.head.append(style));

    let modal, title, error, editor, overlay, content, toolbar, sparse, compact, width, redraw, cancel, ok;
    modal = $e('div', {id, className: 'modal', style: "display:none", mode: 'json'},
               title = $e('div', {className: 'title'}, ""),
               $e('div', {className: 'window'},
                  $e('div', {className: 'error', innerHTML: "&ZeroWidthSpace;"}, error = $e('span')),
                  $e('div', {className: 'editor'},
                     editor = $e('textarea'),
                     overlay = $e('pre', {}, content = $e('code', {className: "highlighting language-json match-braces"}))),
                  toolbar = $e('div', {className: 'toolbar'},
                               $e('label', {title: "Don't inline dicts"},
                                  sparse = $e('input', {type: 'checkbox', className: 'sparse'}),
                                  " Sparse"),
                               $e('label', {title: "Compact long lists"},
                                  compact = $e('input', {type: 'checkbox', className: 'compact'}),
                                  " Compact"),
                               $e('label', {title: "Width limit (0 = unlimited)"},
                                  "Width ",
                                  width = $e('input', {type: 'number', className: 'width', value: 100, min: 0})),
                               redraw = $e('button', {className: 'redraw'}, "Check / Reformat")),
                  $e('div', {className: 'buttons'},
                     cancel = $e('button', {className: 'cancel'}, "Cancel"),
                     ok     = $e('button', {className: 'ok'},     "OK"))));

    let _isValid, _width = Number(width.value)||Infinity;

    let render = (e, text, mode=modal.mode) => {
      e.innerHTML = text.replace(/&/g, AMPERSAND).replace(/</g, LESS_THAN); // can't use innerText here
      (mode === 'json') && Prism && Prism.highlightElement(e);
    };

    let update = text => render(content, text + (text.slice(-1) != NEWLINE ? "" : " "));
    let syncScroll = () => {[overlay.scrollTop, overlay.scrollLeft] = [editor.scrollTop, editor.scrollLeft]};

    let detectWidth = () => {
      let style = "font-family:monospace; font-size:15pt; line-height:20pt; position:fixed; top:0; left:0";
      let e = $e('span', {style, innerHTML: NONBREAKING_SPACE});
      modal.append(e);
      width.value = _width = Math.floor(editor.clientWidth / e.clientWidth);
      e.remove();
    };

    let reformat = (s = editor.value,  o = parseJson(s)) => {
      if (o instanceof Error) {
        error.innerText = o.message || "Syntax error";
        console.warn(o, {position: o.position});
        editor.focus();
        editor.selectionStart = editor.selectionEnd = o.position||0;
      } else {
        error.innerText = "";
        editor.value = pformat(o, {sparse: sparse.checked, compact: compact.checked, width: _width});
        editor.selectionStart = editor.selectionEnd = 0;
        update(editor.value);
        syncScroll();
      }
    };

    let _visible = () => modal.style.display !== 'none';
    let toggle = (visible=!_visible()) => {modal.style.display = (visible ? '' : 'none')};
    let _resolve, [editJson, editText] = ['json', 'text'].map(mode => (value=editor.value, options={}) => new Promise(resolve => {
      [modal.mode, _resolve, _isValid] = [mode, resolve, options.validator];
      toolbar.style.display = (mode == 'json' ? '' : 'none');
      modal.classList[mode == 'json' ? 'remove' : 'add']('text');
      [error.innerText, editor.value, title.innerText] = ["", value, options.title||`Enter ${mode}`];
      render(content, value);
      toggle(true);
      detectWidth();
      editor.focus();
    }));
    let editAsJson = (value, options={}) => (setTimeout(reformat), editJson(JSON.stringify(value), options));
    let resolve = (value=editor.value) => (toggle(false), _resolve && _resolve(value));

    document.addEventListener('keydown', ({key}) => (key == 'Escape') && toggle(false));
    cancel.onclick = () => toggle();
    ok.onclick = () => {
      if (modal.mode != 'json') resolve(); else {
        let s = editor.value,  o = parseJson(s);
        if (!(o instanceof Error))
          resolve(o)
        else {
          try {if (_isValid(s)) return resolve()} catch (e) {}
          reformat(s, o)
        }
      }
    };

    editor.oninput = () => {update(editor.value);  syncScroll()};
    editor.onscroll = syncScroll;
    editor.onkeydown = captureTab(editor);
    redraw.onclick = sparse.onchange = compact.onchange = () => reformat();
    width.onchange = () => {
      if (!width.value || !Number.isInteger( Number(width.value) ))
        alert(`Invalid width value: ${width.value}`);
      else {
        _width = Number(width.value)||Infinity;
        reformat();
      }
    };

    return Object.assign(modal, {toggle, editText, editJson, editAsJson, render});
  };

  return {pformat, ParseError, parseJson, theme, createEditorModal};
})();