View and beautify page source. Shortcut: Alt+U.
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// ==UserScript==
// @name viewsource
// @namespace devs.forumvi.com
// @description View and beautify page source. Shortcut: Alt+U.
// @version 3.2.0
// @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/1.10.2/beautify.min.js
// @resource css_beautify https://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.10.2/beautify-css.min.js
// @resource html_beautify https://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.10.2/beautify-html.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
// @connect *
// @supportURL https://github.com/lelinhtinh/Userscript/issues
// @run-at document-idle
// @grant GM.getResourceUrl
// @grant GM_getResourceURL
// @grant GM_addStyle
// @grant GM_getResourceText
// @grant GM.xmlHttpRequest
// @grant GM_xmlhttpRequest
// @grant GM.openInTab
// @grant GM_openInTab
// @grant GM_registerMenuCommand
// ==/UserScript==
/* eslint-env worker, es6 */
(function () {
'use strict';
/**
* Color themes
* @type {String} dark|light
*/
const STYLE = 'dark';
/* === DO NOT CHANGE === */
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;
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'
});
importScripts(e.data.libs[3]);
source = self.window.hljs.highlight('xml', 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 xml';
fragment.appendChild(pre);
doc.body.appendChild(fragment);
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'),
style = GM_getResourceText(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);
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);
}
});
}());