JSON formatter

Format JSON data in a beautiful way.

Verze ze dne 02. 11. 2015. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

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

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

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

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

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name JSON formatter
// @namespace http://gerald.top
// @description Format JSON data in a beautiful way.
// @description:zh-CN 更加漂亮地显示JSON数据。
// @version 1.1.3
// @match *://*/*
// @grant GM_addStyle
// @grant GM_registerMenuCommand
// ==/UserScript==

function safeHTML(html) {
  return String(html).replace(/[<&"]/g, function (key) {
    return {
      '<': '&lt;',
      '&': '&amp;',
      '"': '&quot;',
    }[key];
  });
}

function join(list) {
  var html = [];
  var open = false;
  var last = null;
  var close = function () {
    html.push('</li>');
    open = false;
    last = null;
  };
  list.forEach(function (item) {
    if (open && !item.backwards)
      close();
    if (!open) {
      html.push('<li>');
      open = true;
    }
    if (item.backwards && last && last.forwards)
      html.push(last.separator);
    html.push(item.data);
    if (!item.forwards)
      close();
    else
      last = item;
  });
  if (open) html.push('</li>');
  return html.join('');
}

function getHtml(data) {
  var html = '<span class="' + (data.cls || 'value ' + typeof data.value) + '" ' +
    'data-type="' + safeHTML(data.type || typeof data.value) + '" ' +
    'data-value="' + safeHTML(data.value) + '">' + safeHTML(data.value) + '</span>';
  return html;
}

function render(data) {
  if (Array.isArray(data)) {
    var arr = [];
    var ret = {
      backwards: true,
      forwards: true,
      separator: getHtml({value: ',', cls: 'separator'}),
    };
    arr.push(getHtml({value: '[', cls: 'operator'}));
    if (data.length) {
      arr.push('<ul>');
      arr.push(join(data.map(render)));
      arr.push('</ul>');
    } else {
      arr.push(getHtml({value: '', cls: 'separator'}));
      ret.forwards = false;
    }
    arr.push(getHtml({value: ']', cls: 'operator'}));
    ret.data = arr.join('');
    return ret;
  } else if (data === null)
    return {data: getHtml({value: data, cls: 'value null'}), backwards: true};
  else if (typeof data == 'object') {
    var arr = [];
    var ret = {
      backwards: true,
      forwards: true,
      separator: getHtml({value: ',', cls: 'separator'}),
    };
    arr.push(getHtml({value: '{', cls: 'operator'}));
    var objdata = [];
    for (var key in data) {
      objdata.push({
        data: getHtml({value: key, cls: 'key'}),
        forwards: true,
        separator: getHtml({value: ':', cls: 'separator'}),
      });
      objdata.push(render(data[key]));
    }
    if (objdata.length) {
      arr.push('<ul>');
      arr.push(join(objdata));
      arr.push('</ul>');
    } else {
      arr.push(getHtml({value: '', cls: 'separator'}));
      ret.backwards = ret.forwards = false;
    }
    arr.push(getHtml({value: '}', cls: 'operator'}));
    ret.data = arr.join('');
    return ret;
  } else
    return {
      backwards: true,
      data: getHtml({value: data}),
    };
}

function formatJSON() {
  if (config.formatted) {
    document.body.innerHTML = config.raw;
    config.formatted = false;
  } else {
    if (!('raw' in config)) {
      config.raw = document.body.innerHTML;
      config.data = JSON.parse(document.body.innerText);
      config.style = GM_addStyle(
        '*{font-family:Microsoft YaHei,Tahoma;font-size:15px;}' +
        'ul.root{padding-left:0;}' +
        'li{list-style:none;}' +
        '.separator{margin-right:.5em;}' +
        '.number{color:darkorange;}' +
        '.null{color:gray;}' +
        '.key{color:brown;}' +
        '.string{color:green;}' +
        '.operator{color:blue;}' +
        '.value{position:relative;cursor:pointer;}' +
        '.popup{position:absolute;top:0;left:0;right:0;bottom:0;}' +
        '.popup-data{position:absolute;top:0;left:0;width:100%;bottom:0;border:none;cursor:pointer;box-sizing:content-box;padding:2px;margin:-2px;outline:1px dotted gray;}' +
        '.popup-info{position:absolute;top:100%;margin-top:.5em;padding:.5em;border-radius:.5em;box-shadow:0 0 1em gray;background:white;z-index:1;white-space:nowrap;color:black;}' +
        '.info-key{font-weight:bold;}' +
        '.info-val{color:dodgerblue;}' +
        '.hide{display:none;}'
      );
      initPopup();
    }
    var ret = render(config.data);
    document.body.innerHTML = '<ul class="root"><li>' + ret.data + '</li></ul>';
    config.formatted = true;
    bindEvents(document.body.querySelector('.root'));
  }
}

function initPopup() {
  var popup = document.createElement('div');
  popup.className = 'popup';
  var input = document.createElement('input');
  input.className = 'popup-data';
  input.readOnly = true;
  popup.appendChild(input);
  var info = document.createElement('div');
  info.className = 'popup-info';
  popup.appendChild(info);
  var hide = function () {
    var parent = popup.parentNode;
    if (parent) parent.removeChild(popup);
  };
  input.addEventListener('mouseup', function (e) {
    e.preventDefault();
    this.select();
  }, false);
  popup.addEventListener('click', function (e) {
    e.stopPropagation();
  }, false);
  document.addEventListener('click', hide, false);
  config.popup = {
    node: popup,
    hide: hide,
    show: function (target) {
      target.appendChild(popup);
      input.value = target.dataset.value || '';
      input.select();
      input.focus();
      info.innerHTML = '<span class="info-key">type</span>: <span class="info-val">' + safeHTML(target.dataset.type) + '</span>';
    },
  };
}

function bindEvents(root) {
  root.addEventListener('click', function (e) {
    e.stopPropagation();
    var target = e.target;
    if (target.classList.contains('value'))
      config.popup.show(target);
    else
      config.popup.hide();
  }, false);
}

var config = {};
if (/\/json$/.test(document.contentType))
  formatJSON();
GM_registerMenuCommand('Toggle JSON format', formatJSON);