View and beautify page source. Shortcut: Alt+U.
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// ==UserScript==
// @name viewsource
// @name:vi viewsource
// @namespace devs.forumvi.com
// @description View and beautify page source. Shortcut: Alt+U.
// @description:vi Định dạng và làm đẹp mã nguồn trang web. Phím tắt: Alt+U.
// @version 3.3.0
// @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/1.12.0/beautify.min.js
// @resource css_beautify https://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.12.0/beautify-css.min.js
// @resource html_beautify https://cdnjs.cloudflare.com/ajax/libs/js-beautify/1.12.0/beautify-html.min.js
// @resource hljs https://cdnjs.cloudflare.com/ajax/libs/highlight.js/10.1.2/highlight.min.js
// @resource dark https://cdnjs.cloudflare.com/ajax/libs/highlight.js/10.1.2/styles/atom-one-dark.min.css
// @resource light https://cdnjs.cloudflare.com/ajax/libs/highlight.js/10.1.2/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.xmlHttpRequest
// @grant GM_xmlhttpRequest
// @grant GM.openInTab
// @grant GM_openInTab
// @grant GM_registerMenuCommand
// ==/UserScript==
/* eslint-env worker, es6 */
(() => {
'use strict';
/**
* Color themes
* @type {String} dark|light
*/
const STYLE = 'dark';
/* === DO NOT CHANGE === */
const urlpage = location.href;
if (!/^application\/(xhtml+xml|xml|rss+xml)|text\/(html|xml)$/.test(document.contentType)) return;
GM_registerMenuCommand('Beautify Page Source', viewsource, 'u');
document.onkeydown = (e) => {
if (e.which === 85 && e.altKey) {
// Alt+U
e.preventDefault();
viewsource();
}
};
const handleURL = URL.createObjectURL(
new Blob(
[
'(',
function () {
self.window = {};
self.onmessage = (e) => {
var source = e.data.content;
importScripts(e.data.libs[0]);
importScripts(e.data.libs[1]);
importScripts(e.data.libs[2]);
source = self.window.html_beautify(source, {
indent_scripts: 'keep',
});
importScripts(e.data.libs[3]);
source = self.hljs.highlight('xml', source, true).value;
self.postMessage({
base: e.data.base,
theme: e.data.libs[4],
source: source,
});
};
}.toString(),
')()',
],
{
type: 'application/javascript',
}
)
);
const worker = new Worker(handleURL);
worker.onmessage = (e) => {
if (!e.data) return;
const viewSourceURL = URL.createObjectURL(
new Blob(
[
`<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<base href="${e.data.base}" target="_blank">
<title>beautify-source:${urlpage}</title>
<style>${e.data.theme}*{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}a{color:#4d4bd8}</style>
</head>
<body>
<pre class="hljs xml">${e.data.source}</pre>
<script>
const attrUrl = document.getElementsByClassName('hljs-attr');
for (let j = 0; j < attrUrl.length; j++) {
if (/\\b(src|href\\b)/.test(attrUrl[j].textContent)) {
let link = attrUrl[j].nextSibling.nextSibling,
url = link.textContent,
quote = url.slice(0, 1);
if (quote !== "'" && quote !== '"') {
quote = '';
} else {
url = url.slice(1, -1);
}
link.innerHTML = quote + '<a href="' + url + '" target="_blank">' + url + '</a>' + quote;
}
}
</script>
</body>
</html>`,
],
{
type: 'text/html; charset=utf-8',
}
)
);
GM.openInTab(urlpage, true);
location.href = viewSourceURL;
};
function viewsource() {
const js_beautify = GM.getResourceUrl('js_beautify'),
css_beautify = GM.getResourceUrl('css_beautify'),
html_beautify = GM.getResourceUrl('html_beautify'),
hljs = GM.getResourceUrl('hljs'),
theme = GM.getResourceUrl(STYLE)
.then(function (url) {
return fetch(url);
})
.then(function (resp) {
return resp.text();
});
GM.xmlHttpRequest({
method: 'GET',
url: urlpage,
onload: (response) => {
const baseMatch = response.response.match(/<base[\s\n]+href[\s\n]*=[\s\n]*("|')?([^"'\s\n]+)("|')?.*?\/?>/i);
Promise.all([js_beautify, css_beautify, html_beautify, hljs, theme]).then((urls) => {
worker.postMessage({
libs: urls,
base: baseMatch ? baseMatch[2] : urlpage.replace(/[^/]*$/, ''),
content: response.response,
});
});
},
});
}
})();