Javascript-css beautify

Beautify and syntax highlighting for source code javascript, json, css. Support to see the source code by holding the right mouse and drag.
Pada tanggal 21 Mei 2016. Lihat %(latest_version_link).
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// ==UserScript==
// @id           [email protected]
// @name         Javascript-css beautify
// @namespace    http://devs.forumvi.com
// @description  Beautify and syntax highlighting for source code javascript, json, css. Support to see the source code by holding the right mouse and drag.
// @version      2.3.7
// @icon         http://i.imgur.com/kz8nqz1.png
// @author       Zzbaivong
// @license      MIT
// @match        http://*/*
// @match        https://*/*
// @resource     light https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.4.0/styles/github-gist.min.css
// @resource     dark https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.4.0/styles/monokai-sublime.min.css
// @require      https://greasyfork.org/scripts/18531-beautify-js/code/beautify-js.js?version=126854
// @require      https://greasyfork.org/scripts/18528-beautify-css/code/beautify-css.js?version=126856
// @require      https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.4.0/highlight.min.js
// @noframes
// @supportURL   https://github.com/baivong/Userscript/issues
// @run-at       document-idle
// @grant        GM_addStyle
// @grant        GM_getResourceText
// ==/UserScript==

(function () {

    'use strict';

    var theme = 'light', // light|dark

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

    function scrollByDragging(container, disableH, disableV) {

        function mouseUp(e) {
            if (e.which !== 3) return;

            window.removeEventListener('mousemove', mouseMove, true);
            container.style.cursor = 'default';
        }

        function mouseDown(e) {
            if (e.which !== 3) return;

            pos = {
                x: e.clientX,
                y: e.clientY
            };

            window.addEventListener('mousemove', mouseMove, true);
            container.style.cursor = 'move';
        }

        function mouseMove(e) {
            if (!disableH) container.scrollLeft -= (-pos.x + (pos.x = e.clientX));
            if (!disableV) container.scrollTop -= (-pos.y + (pos.y = e.clientY));
        }

        var pos = {
            x: 0,
            y: 0
        };

        container.oncontextmenu = function (e) {
            e.preventDefault();
        };

        container.addEventListener('mousedown', mouseDown, false);
        window.addEventListener('mouseup', mouseUp, false);

    }

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

        var output = doc.getElementsByTagName('pre')[0],
            txt = output.textContent,
            lang = 'javascript',
            lines = 0,
            l = '';

        GM_addStyle(GM_getResourceText(theme) + 'html,body,pre{margin:0;padding:0}.hljs{word-wrap:normal!important;white-space:pre!important;padding-left:4em;line-height:100%}.hljs::before{content:attr(data-lines);position:absolute;color:#d2d2d2;text-align:right;width:3.5em;left:-.5em;border-right:1px solid rgba(221, 221, 221, 0.36);padding-right:.5em}');

        if (contenttype === 'text/css' || /.+\.css$/.test(url)) {
            lang = 'css';
            txt = css_beautify(txt);
        } else {
            txt = js_beautify(txt);
        }

        output.textContent = txt;
        output.setAttribute('class', lang);

        hljs.highlightBlock(output);

        lines = txt.split('\n');
        lines = lines ? lines.length : 0;
        for (var i = 0; i < lines; i++) {
            l += (i + 1) + '\n';
        }

        output.setAttribute('data-lines', l);
        output.style.width = output.scrollWidth + 'px';

        scrollByDragging(doc.body);
        scrollByDragging(doc.documentElement);

    }

}());