GitHub file list beautifier

Adds colors to files by type, displays small images in place of file-type icons in a repository source tree

Verze ze dne 24. 09. 2016. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name        GitHub file list beautifier
// @description Adds colors to files by type, displays small images in place of file-type icons in a repository source tree
// @author      wOxxOm
// @namespace   wOxxOm.scripts
// @license     MIT License
// @match       https://github.com/*
// @version     3.0.3
// @icon        https://octodex.github.com/images/murakamicat.png
// @run-at      document-start
// @grant       GM_getValue
// @grant       GM_setValue
// ==/UserScript==

/* jshint lastsemic:true, multistr:true, laxbreak:true, -W030, -W041, -W084 */

// Your changes will be remembered in script database even after a forced update of the script
var config = userConfig({
	iconSize: 24,
	colorSeed1: 13,
	colorSeed2: 1299721,
	colorSeed3: 179426453,
});

(document.head || document.documentElement).insertAdjacentHTML('beforeend',
	'<style id="wOxxOm-GHB">\
		.wOxxOm-image-icon {\
			max-width:' + config.iconSize + 'px; max-height:' + config.iconSize + 'px;\
			width:auto; height:auto; margin:auto;\
			position:absolute; left:0; top:0; right:0; bottom:0 }\
		.wOxxOm-image-td {\
			position:relative; padding:0; min-width:' + (config.iconSize+4) + 'px; line-height:inherit }\
		a[file-type=":folder"] { font-weight: bold }\
	</style>'
);

var filetypes = {};
var styledom = document.getElementById('wOxxOm-GHB');

var filesdom = document.getElementsByTagName('table');
var ob = new MutationObserver(GHBsentry);

document.addEventListener('DOMContentLoaded', function() { beautify(filesdom[0]) });
beautify(filesdom[0]);
lazyObserve();

function GHBsentry(mutations) {
	if (!/^\/[^\/]+\/[^\/]+(\/tree\/.*)?$/.test(location.pathname)) {
		ob.disconnect();
		lazyObserve();
		return;
	}
	if (mutations.length == 1 && !mutations[0].addedNodes.length || !filesdom[0])
		return;
	//console.log([].concat.apply([], mutations.map(m => [].slice.call(m.addedNodes))));
	for (var i=0, ml=mutations.length, m; i<ml && (m=mutations[i]); i++) {
		for (var j=0, added=m.addedNodes, nl=added.length, n; j<nl && (n=added[j]); j++) {
			if (n.nodeType != 3) {
				if (n.localName == 'a' && /\/(tree|blob)\//.test(n.href) && !n.hasAttribute('file-type')
				||  n.localName == 'div' && n.matches('.file-wrap, .new-discussion-timeline, .repo-file-upload-tree-target')
				) {
					var table = n.closest('table') || n.querySelector('table');
					if (table) {
						beautify(table);
						ob.disconnect();
						lazyObserve();
						break;
					}
				}
			}
		}
	}
}

function lazyObserve() {
	// postpone observing until the parser can breathe after the initial burst of activity during page load
	setTimeout(function() {
		beautify(filesdom[0]);
		ob.observe(document, {subtree:true, childList:true});
	}, 0);
}

function beautify(container, links) {
	if (!container && !links)
		return;
	//console.log(container.innerHTML);
	if (!links) {
		var table = container.localName == 'table' ? container : container.querySelector('table');
		if (!table)
			return;
		links = table.getElementsByClassName('js-navigation-open');
	}

	for (var a, i=0, len=links.length; i<len && (a=links[i++]); ) {
		if (!a.href)
			continue;
		var tr = a.closest('tr');
		if (tr && tr.querySelector('.octicon-file-directory')) {
			a.setAttribute('file-type', ':folder');
			continue;
		}

		var ext = a.href.match(/\.(\w+)$/);
		ext = ext && ext[1] || ':empty';
		a.setAttribute('file-type', ext);
		if (!filetypes[ext])
			addFileTypeStyle(ext);

		if (/^(png|jpe?g|bmp|gif|cur|ico)$/.test(ext)) {
			var m = a.href.match(/github\.com\/(.+?\/)blob\/(.*)$/);
			if (!m)
				continue;
			var iconCell = a.closest('.js-navigation-item').querySelector('.icon');
			var icon = iconCell.querySelector('.octicon-file-text');

			if (icon.style.display == 'none')
				continue;
			icon.style.display = 'none';
			icon.insertAdjacentHTML('afterend',
									'<img class="wOxxOm-image-icon" src="https://raw.githubusercontent.com/' + m[1] + m[2] + '">');
			iconCell.classList.add('wOxxOm-image-td');
		}
	}
}

function addFileTypeStyle(type) {
	filetypes[type] = true;
	for (var hash=0, i=0, len=type.length; i<len; i++)
		hash = ((hash << 5) - hash) + type.charCodeAt(i);
	hash = Math.abs(hash*config.colorSeed1 |0);
	var color = 'a[file-type="' + type + '"] { color: hsl(' +
		(hash%360) + ',' +
		(hash*config.colorSeed2%50 + 50 |0) + '%,' +
		(hash*config.colorSeed3%15 + 25 |0) + '%) }';
	styledom.appendChild(document.createTextNode(color));
}

function userConfig(params) {
	var def = {
		iconSize: 24,
		colorSeed1: 13,
		colorSeed2: 1299721,
		colorSeed3: 179426453,
	};
	Object.keys(params).forEach(function(k) {
		var saved = GM_getValue(k, def[k]);
		if (saved && saved != def[k])
			params[k] = saved;
	});
	return params;
}