Beautify and syntax highlighting for source code javascript, json, css.
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// ==UserScript==
// @name Javascript-css beautify
// @namespace http://devs.forumvi.com
// @description Beautify and syntax highlighting for source code javascript, json, css.
// @version 3.1.0
// @icon http://i.imgur.com/kz8nqz1.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 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
// @supportURL https://github.com/lelinhtinh/Userscript/issues
// @run-at document-idle
// @grant GM.getResourceUrl
// @grant GM_getResourceURL
// ==/UserScript==
/* eslint-env worker, es6 */
(function () {
'use strict';
var doc = document,
contenttype = doc.contentType,
pathname = location.pathname;
if (!(/^application\/(x-javascript|javascript|json)|text\/css$/.test(contenttype) || (/.+\.(js|json|css)$/.test(pathname) && !/^application\/(xhtml+xml|xml|rss+xml)|text\/(html|xml)$/.test(contenttype)))) return;
var output = doc.getElementsByTagName('pre')[0],
lang = 'javascript',
blobURL, worker,
addstyle = function (aCss) {
var head = doc.getElementsByTagName('head')[0];
if (!head) return null;
var style = doc.createElement('style');
style.setAttribute('type', 'text/css');
style.textContent = aCss;
head.appendChild(style);
return style;
};
if (contenttype === 'text/css' || /.+\.css$/.test(pathname)) lang = 'css';
blobURL = URL.createObjectURL(new Blob(['(',
function () {
self.window = {};
self.onmessage = function (e) {
var source = e.data.content,
beautify = 'js_beautify';
if (e.data.lang === 'javascript') {
importScripts(e.data.libs[0]);
} else {
importScripts(e.data.libs[1]);
beautify = 'css_beautify';
}
source = self.window[beautify](source);
self.postMessage({
action: 'beautify',
source: source
});
importScripts(e.data.libs[2]);
source = self.window.hljs.highlight(e.data.lang, 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} .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;
} else {
pre.innerHTML = e.data.source;
pre.className = 'hljs ' + lang;
}
fragment.appendChild(pre);
doc.body.replaceChild(fragment, output);
if (e.data.action === 'beautify') output = doc.getElementsByTagName('pre')[0];
};
var js_beautify = GM.getResourceUrl('js_beautify'),
css_beautify = GM.getResourceUrl('css_beautify'),
hljs = GM.getResourceUrl('hljs');
Promise.all([js_beautify, css_beautify, hljs]).then(function (urls) {
worker.postMessage({
libs: urls,
lang: lang,
content: output.textContent
});
});
}());