User:Galobtter/scripts/adminhighlighter.js

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//<nowiki>
/**
 * Admin highlighter 3.0
 * ---------------------
 * Derivative of of User:Theopolisme/Scripts/adminhighlighter.js
 * Changes: cache list of admins, and tweak css to use nicer one by Jorm.
 * This script highlights links to admins' userpages or talkpages in bodyContent
 * (that is, everything but the tabs, personal links at the top of the screen and sidebar)
 * by giving them a light background and border.
 *
 * @authors Galobtter, Theopolisme, Amalthea, Ais523
 */
 var prevPostRequest, data;
 var highlight = function(data){
	ADMINHIGHLIGHT_EXTLINKS = window.ADMINHIGHLIGHT_EXTLINKS || false;
	ADMINHIGHLIGHT_NAMESPACES = [-1,2,3];
	mw.loader.using(['mediawiki.util','mediawiki.Uri', 'mediawiki.Title']).then(function() {
		mw.util.addCSS(
		"a.userhighlighter_sysop { background-color: rgba(100, 149, 237, 0.25) !important; border-top: .05em dashed rgba(100, 149, 237, 0.5); border-bottom: .05em dashed rgba(100, 149, 237, 0.5); }"+
		"a.userhighlighter_sysop.mw-changeslist-title { background-color: transparent !important; border-color: transparent !important; }"
		);
		$('#bodyContent a').each(function(index,linkraw){
			try {
				var link = $(linkraw);
				var url = link.attr('href');
				if (!url || url.charAt(0) === '#') return; // Skip <a> elements that aren't actually links; skip anchors
				if (url.lastIndexOf("http://", 0) !== 0 && url.lastIndexOf("https://", 0) !== 0 && url.lastIndexOf("/", 0) !== 0) return; //require http(s) links, avoid "javascript:..." etc. which mw.Uri does not support
				var uri = new mw.Uri(url);
				if (!ADMINHIGHLIGHT_EXTLINKS && !$.isEmptyObject(uri.query)) return; // Skip links with query strings if highlighting external links is disabled
				if (uri.host == 'en.wikipedia.org') {
					var mwtitle = new mw.Title(mw.util.getParamValue('title',url) || decodeURIComponent(uri.path.slice(6))); // Try to get the title parameter of URL; if not available, remove '/wiki/' and use that
					if ($.inArray(mwtitle.getNamespaceId(), ADMINHIGHLIGHT_NAMESPACES)>=0) {
						var user = mwtitle.getMain().replace(/_/g," ");
						if (mwtitle.getNamespaceId() === -1) user = user.replace('Contributions/',''); // For special page "Contributions/<username>"
						if (data[user] == 1) {
							link.addClass('userhighlighter_sysop'); // Override the above color by using `a.userhighlighter_sysop.userhighlighter_sysop {background-color: COLOR !important}`
						}
					}
				}
			} catch (e) {
				// Sometimes we will run into unparsable links, so just log these and move on
				console.error('Admin highlighter recoverable error',e.message);
			}
		});
	});
};

var main = function() {
	// if called a second time, should have data
	if (data) {
		highlight(data);
	}
	
	// Cache the admin json for a period of time
	try {
		data = JSON.parse(localStorage.getItem('adminjson'));
	} catch(e) {
		console.error('Admin highlighter: failed to parse cached admin json object', e.message);
	}
	if (!data || !data.date || (Date.now() - data.date) > 3600000) { // 1 hour in milliseconds
		$.getJSON(mw.config.get('wgScriptPath')+'/index.php?action=raw&ctype=application/json&title=User:AmoryBot/crathighlighter.js/sysop.json').then(
			function(result) {
				data = result;
				data.date = Date.now();
				localStorage.setItem('adminjson', JSON.stringify(data));
				highlight(data);
			}
		);
	} else {
		highlight(data);
	}
};

main();

if ( mw.config.get( 'wgCanonicalSpecialPageName' ) === 'Watchlist' ) {
	/* Rerun every time update watchlist */
	$( document ).ajaxSend( function ( event, request, settings ) {
		/**
		 * Should not update on regular pings by the watchlist checking for an update
		 * Wait for the next ping after a post request
		 * (which is involved in updating watchlist)
		 */
		if ( settings.type === 'POST' ) {
			prevPostRequest = true;
			return;
		}
		if (
			prevPostRequest &&
			settings.url.indexOf( 'Special:Watchlist' ) === -1 &&
			settings.type === 'GET'
		) {
			main();
			prevPostRequest = false;
		}
	} );
}
//</nowiki>