View and beauty website source code. Support to view the source code by holding the right mouse and drag. Shortcut: Alt+U.
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// ==UserScript==
// @name viewsource
// @namespace devs.forumvi.com
// @description View and beauty website source code. Support to view the source code by holding the right mouse and drag. Shortcut: Alt+U.
// @version 2.3.9
// @icon http://i.imgur.com/6yZMOeH.png
// @author Zzbaivong
// @license MIT
// @match http://*/*
// @match https://*/*
// @resource light https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/github-gist.min.css
// @resource dark https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/monokai-sublime.min.css
// @require https://greasyfork.org/scripts/18530-beautify-html/code/beautify-html.js?version=194234
// @require https://greasyfork.org/scripts/18531-beautify-js/code/beautify-js.js?version=194235
// @require https://greasyfork.org/scripts/18528-beautify-css/code/beautify-css.js?version=194233
// @require https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/highlight.min.js
// @noframes
// @connect self
// @supportURL https://github.com/baivong/Userscript/issues
// @run-at document-idle
// @grant GM_addStyle
// @grant GM_getResourceText
// @grant GM_xmlhttpRequest
// @grant GM_registerMenuCommand
// ==/UserScript==
/* global html_beautify, hljs */
(function () {
'use strict';
var theme = 'light', // light|dark
win = window,
urlpage = location.href,
doc = document,
wrapcontent = doc.documentElement,
content = doc.body;
function scrollByDragging(container, disableH, disableV) {
function mouseUp(e) {
if (e.which !== 3) return;
window.removeEventListener('mousemove', mouseMove, true);
container.style.cursor = 'default';
}
function mouseDown(e) {
if (e.which !== 3) return;
pos = {
x: e.clientX,
y: e.clientY
};
window.addEventListener('mousemove', mouseMove, true);
container.style.cursor = 'move';
}
function mouseMove(e) {
if (!disableH) container.scrollLeft -= (-pos.x + (pos.x = e.clientX));
if (!disableV) container.scrollTop -= (-pos.y + (pos.y = e.clientY));
}
var pos = {
x: 0,
y: 0
};
container.oncontextmenu = function (e) {
e.preventDefault();
};
container.addEventListener('mousedown', mouseDown, false);
window.addEventListener('mouseup', mouseUp, false);
}
function removeEvents(ele, attr) {
var events = 'onafterprint onbeforeprint onbeforeunload onerror onhashchange onload onmessage onoffline ononline onpagehide onpageshow onpopstate onresize onstorage onunload onblur onchange oncontextmenu onfocus oninput oninvalid onreset onsearch onselect onsubmit onkeydown onkeypress onkeyup onclick ondblclick ondrag ondragend ondragenter ondragleave ondragover ondragstart ondrop onmousedown onmousemove onmouseout onmouseover onmouseup onmousewheel onscroll onwheel oncopy oncut onpaste onerror onshow ontoggle'.split(' '),
x;
for (x in events) {
var _event = events[x];
ele[_event] = null;
if (attr) {
ele.removeAttribute(_event);
}
}
}
function viewsource() {
GM_xmlhttpRequest({
method: 'GET',
url: urlpage,
onload: function (response) {
removeEvents(win);
removeEvents(doc);
removeEvents(wrapcontent, true);
removeEvents(content, true);
var txt = html_beautify(response.response);
doc.head.innerHTML = '';
content.innerHTML = '';
content.removeAttribute('id');
content.removeAttribute('class');
content.removeAttribute('style');
doc.title = 'view-source:' + urlpage;
GM_addStyle(GM_getResourceText(theme) + 'html,body,pre{margin:0;padding:0}.hljs{word-wrap:normal!important;white-space:pre!important;padding-left:4em;line-height:100%}.hljs::before{content:attr(data-lines);position:absolute;color:#d2d2d2;text-align:right;width:3.5em;left:-.5em;border-right:1px solid rgba(221, 221, 221, 0.36);padding-right:.5em}');
var output = doc.createElement('PRE');
output.setAttribute('class', 'xml');
output.textContent = txt;
content.appendChild(output);
hljs.highlightBlock(output);
var lines = txt.split('\n'),
l = '';
lines = lines ? lines.length : 0;
for (var i = 0; i < lines; i++) {
l += (i + 1) + '\n';
}
output.setAttribute('data-lines', l);
output.style.width = output.scrollWidth + 'px';
scrollByDragging(content);
scrollByDragging(wrapcontent);
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;
var url = link.textContent.slice(1, -1);
link.innerHTML = '<a href="' + url + '" target="_blank">' + url + '</a>';
}
}
}
});
}
GM_registerMenuCommand('View source', viewsource, 'u');
if (/^application\/(xhtml+xml|xml|rss+xml)|text\/(html|xml)$/.test(doc.contentType)) {
doc.onkeydown = function (e) {
// Alt+U
if (e.which === 85 && e.altKey) {
e.preventDefault();
viewsource();
}
};
}
}());