View and beautify page source. Shortcut: Alt+U.
Per
// ==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);
}
});
}());