User:Perhelion/linkcount.js

/** Shows the count of links to red links per mouseover and mass analyse per top action tab link 'New-Link-Count'.
* @author: Perhelion (idea/request: Freddy2001, Kenny McFly)
* @revision: 00:03, 23 January 2018 (UTC)
**/
/* global mediaWiki, jQuery */
(function (mw, $) {
"use strict";
if (!mw.config.get('wgNamespaceNumber') && mw.config.get('wgAction') === 'view')
$.when(
	mw.loader.using('mediawiki.util'),
	mw.loader.load('//commons.wikimedia.org/w/load.php?modules=ext.gadget.jquery.badge'),
	$.ready).done(function () {
	var r_links = {},
		process = false,
		a_title = $('#t-whatlinkshere a').text() + ": ",
		limit = 99,
		id = 0,
		titles = [],
		$al = $('#mw-content-text').find('.new');

	function setLinkCount(title, e) {
		if (e && r_links[title] > 1)
			$(e).badge(r_links[title], 'inline', true).find('div').css({
				position: "relative",
				"margin": "0 -7px",
				top: "-7px"
			});
		return (e.title = a_title + r_links[title]);
	}

	function getLinkCount(title, e) {
		process = 1;
		if ($.fn.badge)
			$.getJSON(mw.util.wikiScript("api"), {
				format: "json",
				action: "query",
				"prop": "linkshere",
				"titles": title,
				"lhprop": "",
				"lhnamespace": "0",
				"lhlimit": "max"
			}, function (r) {
				process = 0;
				if (!r || !r.query)
					return;
				r = r.query.pages;
				if (e) { // mouseover
					r = r[Object.keys(r)[0]];
					if (r) {
						r_links[title] = r.linkshere.length;
						return setLinkCount(title, e);
					}
				}
				// var id = 0;
				for (var i in r) {
					i = r[i];
					if (i) {
						var ti = i.title.replace(/ /g, "_");
						r_links[ti] = i.linkshere.length;
						setLinkCount(ti, $al[id]);
					}
					id++;
				}
				// Not needed anymore
				if ($al.length < limit)
					$al.off('mouseover', doLinkCount);
				if (titles.length < Math.max(limit, id))
					$('#ca-lnkcnt').remove();
			});
	}

	function splitLinks() {
		var titleLimited;
		if (titles.length > Math.max(limit, id)) { // Needs limit with loop!?
			titleLimited = titles.slice(id, id + limit); // aware splice
			mw.notify($("<span>Limit of " + (limit + 1) + " red links reached!<br> Click again for progressing the other " +(titles.length - limit - id)+ "</span>"), {
				title: 'New-Link-Count',
				type: 'warn'
			});
			getLinkCount(titleLimited.join('|'));
		} else if (!id) {
			getLinkCount(titles.join('|'));
		}
	}

	function doAllLinkCount() {
		if (!titles.length)
			mw.loader.using([], function () {
					$.each($al, function (i, a) {
						titles.push(mw.util.getParamValue('title', a.getAttribute('href')));
					});
				return splitLinks();
			});
		else splitLinks();
	}

	function doLinkCount(e) {
		if (process) // run api not in race condition
			return;
		e = e.target;
		var title = mw.util.getParamValue('title', e.getAttribute('href'));

		if (r_links.hasOwnProperty(title)) // run api only once
			return setLinkCount(title, e);
		getLinkCount(title, e);
	}

	if ($al.length) {
		$al.one('mouseover', doLinkCount);
		$(mw.util.addPortletLink('p-cactions', '#', 'New-Link-Count', 'ca-lnkcnt')).find('a').click(doAllLinkCount).addClass('new');
	}
});
}(mediaWiki, jQuery));