JSON formatter

Format JSON data in a beautiful way.

目前為 2019-04-03 提交的版本,檢視 最新版本

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

(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);
  }

}());