Javascript-css beautify

Beautify and syntax highlighting for source code javascript, json, css.

As of 12.10.2019. See ბოლო ვერსია.

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.

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.

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

// ==UserScript==
// @name         Javascript-css beautify
// @namespace    http://devs.forumvi.com
// @description  Beautify and syntax highlighting for source code javascript, json, css.
// @version      3.2.1
// @icon         http://i.imgur.com/kz8nqz1.png
// @author       Zzbaivong
// @oujs:author  baivong
// @license      MIT; https://baivong.mit-license.org/license.txt
// @match        http://*/*
// @match        https://*/*
// @resource     js_beautify https://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.10.2/beautify.min.js
// @resource     css_beautify https://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.10.2/beautify-css.min.js
// @resource     hljs https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.15.10/highlight.min.js
// @resource     dark https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.15.10/styles/atom-one-dark.min.css
// @resource     light https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.15.10/styles/atom-one-light.min.css
// @require      https://greasemonkey.github.io/gm4-polyfill/gm4-polyfill.js?v=a834d46
// @noframes
// @supportURL   https://github.com/lelinhtinh/Userscript/issues
// @run-at       document-idle
// @grant        GM.getResourceUrl
// @grant        GM_getResourceURL
// @grant        GM_addStyle
// @grant        GM_getResourceText
// ==/UserScript==

/* eslint-env worker, es6 */
(function () {
    'use strict';

    /**
     * Color themes
     * @type {String} dark|light
     */
    const STYLE = 'dark';


    /* === DO NOT CHANGE === */

    var doc = document,
        contenttype = doc.contentType,
        pathname = location.pathname;

    if (!(/^application\/(x-javascript|javascript|json)|text\/css$/.test(contenttype) || (/.+\.(js|json|css)$/.test(pathname) && !/^application\/(xhtml+xml|xml|rss+xml)|text\/(html|xml)$/.test(contenttype)))) return;

    var output = doc.getElementsByTagName('pre')[0],
        lang = 'javascript',
        blobURL, worker;

    if (contenttype === 'text/css' || /.+\.css$/.test(pathname)) lang = 'css';

    blobURL = URL.createObjectURL(new Blob(['(',
        function () {
            self.window = {};

            self.onmessage = function (e) {
                var source = e.data.content,
                    beautify = 'js_beautify';

                if (e.data.lang === 'javascript') {
                    importScripts(e.data.libs[0]);
                } else {
                    importScripts(e.data.libs[1]);
                    beautify = 'css_beautify';
                }
                source = self.window[beautify](source);

                importScripts(e.data.libs[2]);
                source = self.window.hljs.highlight(e.data.lang, source, true).value;

                self.postMessage({
                    source: source
                });
            };

        }.toString(),
        ')()'
    ], {
        type: 'text/javascript'
    }));
    worker = new Worker(blobURL);

    worker.onmessage = function (e) {
        if (!e.data) return;

        var fragment = doc.createDocumentFragment(),
            pre = doc.createElement('pre');

        pre.innerHTML = e.data.source;
        pre.className = 'hljs ' + lang;

        fragment.appendChild(pre);
        doc.body.replaceChild(fragment, output);
    };

    var js_beautify = GM.getResourceUrl('js_beautify'),
        css_beautify = GM.getResourceUrl('css_beautify'),
        hljs = GM.getResourceUrl('hljs');

    GM.getResourceUrl(STYLE).then(function (url) {
        return fetch(url);
    }).then(function (resp) {
        return resp.text();
    }).then(function (style) {
        GM_addStyle('*{margin:0;padding:0}html{line-height:1em;background:#1d1f21;color:#c5c8c6}pre{white-space:pre-wrap;word-wrap:break-word;word-break:break-all}' + style);
    });

    Promise.all([js_beautify, css_beautify, hljs]).then(function (urls) {
        worker.postMessage({
            libs: urls,
            lang: lang,
            content: output.textContent
        });
    });

}());