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Javascript-css beautify

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

当前为 2019-10-12 提交的版本，查看 最新版本。

// ==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
        });
    });

}());