viewsource

View and beautify page source. Shortcut: Alt+U.

Versione datata 19/05/2018. Vedi la nuova versione l'ultima versione.

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

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

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==UserScript==
// @name         viewsource
// @namespace    devs.forumvi.com
// @description  View and beautify page source. Shortcut: Alt+U.
// @version      3.1.0
// @icon         http://i.imgur.com/6yZMOeH.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/1.7.5/beautify.min.js
// @resource     css_beautify https://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.7.5/beautify-css.min.js
// @resource     html_beautify https://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.7.5/beautify-html.min.js
// @resource     hljs https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/highlight.min.js
// @require      https://greasemonkey.github.io/gm4-polyfill/gm4-polyfill.js?v=a834d46
// @noframes
// @connect      *
// @supportURL   https://github.com/lelinhtinh/Userscript/issues
// @run-at       document-idle
// @grant        GM.getResourceUrl
// @grant        GM_getResourceURL
// @grant        GM.xmlHttpRequest
// @grant        GM_xmlhttpRequest
// @grant        GM.openInTab
// @grant        GM_openInTab
// @grant        GM_registerMenuCommand
// ==/UserScript==

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

    var doc = document,
        urlpage = location.href,
        urlbeautify = 'https://lelinhtinh.github.io/Userscript/?beautify-source=';

    if (!/^application\/(xhtml+xml|xml|rss+xml)|text\/(html|xml)$/.test(doc.contentType)) return;

    if (urlpage.indexOf(urlbeautify) !== 0) {
        var viewsource = function () {
            if (urlpage.indexOf(urlbeautify) === 0) return;
            GM.openInTab(urlbeautify + encodeURIComponent(urlpage), false);
        };

        GM_registerMenuCommand('Beautify Page Source', viewsource, 'u');
        doc.onkeydown = function (e) {
            if (e.which === 85 && e.altKey) { // Alt+U
                e.preventDefault();
                viewsource();
            }
        };

        return;
    }

    urlbeautify = urlpage.replace(urlbeautify, '');
    urlbeautify = decodeURIComponent(urlbeautify);

    var blobURL, worker,

        addstyle = function (aCss) {
            var head = doc.getElementsByTagName('head')[0];
            if (!head) return null;
            var style = doc.createElement('style');
            style.setAttribute('type', 'text/css');
            style.textContent = aCss;
            head.appendChild(style);
            return style;
        };

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

            self.onmessage = function (e) {
                var source = e.data.content;

                importScripts(e.data.libs[0]);
                importScripts(e.data.libs[1]);
                importScripts(e.data.libs[2]);
                source = self.window.html_beautify(source, { indent_scripts: 'keep' });

                self.postMessage({
                    action: 'beautify',
                    source: source
                });

                importScripts(e.data.libs[3]);
                source = self.window.hljs.highlight('xml', source, true).value;

                source = source.split('\n');
                source = source.join('</code><code>');
                source = '<code>' + source + '</code>';

                self.postMessage({
                    action: 'hljs',
                    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');

        if (e.data.action === 'beautify') {
            addstyle('*{margin:0;padding:0}html{line-height:1em;background:#1d1f21;color:#c5c8c6}pre{counter-reset:line-numbers;white-space:pre-wrap;word-wrap:break-word;word-break:break-all}code::before{counter-increment:line-numbers;content:counter(line-numbers);display:block;position:absolute;left:-4.5em;top:0;width:4em;text-align:right;color:#60686f;white-space:pre}code{display:block;position:relative;margin-left:4em;padding-left:.5em;min-height:1em;border-left:1px solid #32363b}pre{padding:.5em .5em .5em 5em;border-left:1px solid #1d1f21}pre.hljs{padding-left:.5em;border-left:0 none}code::after{content:".";visibility:hidden}a{color:#b5bd68}a:active,a:hover,a:visited{color:#8b9433} .hljs-comment,.hljs-quote{color:#969896}.hljs-variable,.hljs-template-variable,.hljs-tag,.hljs-name,.hljs-selector-id,.hljs-selector-class,.hljs-regexp,.hljs-deletion{color:#c66}.hljs-number,.hljs-built_in,.hljs-builtin-name,.hljs-literal,.hljs-type,.hljs-params,.hljs-meta,.hljs-link{color:#de935f}.hljs-attribute{color:#f0c674}.hljs-string,.hljs-symbol,.hljs-bullet,.hljs-addition{color:#b5bd68}.hljs-title,.hljs-section{color:#81a2be}.hljs-keyword,.hljs-selector-tag{color:#b294bb}.hljs{display:block;overflow-x:auto;background:#1d1f21;color:#c5c8c6;padding:.5em}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:700}');

            pre.textContent = e.data.source;
            fragment.appendChild(pre);
            doc.body.appendChild(fragment);
        } else {
            pre.innerHTML = e.data.source;
            pre.className = 'hljs xml';
            fragment.appendChild(pre);
            doc.body.replaceChild(fragment, doc.getElementsByTagName('pre')[0]);

            var attrUrl = doc.getElementsByClassName('hljs-attr');
            for (var j = 0; j < attrUrl.length; j++) {
                if (/\b(src|href\b)/.test(attrUrl[j].textContent)) {
                    var link = attrUrl[j].nextSibling.nextSibling,
                        url = link.textContent,
                        quote = url.slice(0, 1);

                    if (quote !== '\'' && quote !== '"') {
                        quote = '';
                    } else {
                        url = url.slice(1, -1);
                    }

                    link.innerHTML = quote + '<a href="' + url + '" target="_blank">' + url + '</a>' + quote;
                }
            }
        }
    };

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

    GM.xmlHttpRequest({
        method: 'GET',
        url: urlbeautify,
        onload: function (response) {
            doc.title = 'beautify-source:' + urlbeautify;

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

            var baseUrl,
                baseMatch = response.response.match(/<base\s+href="([^"]+)"\s?[^>]*>/),
                base = doc.createElement('base');

            baseUrl = baseMatch ? baseMatch[1] : urlbeautify.replace(/[^/]*$/, '');

            base.href = baseUrl;
            doc.head.appendChild(base);
        }
    });

}());