53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
/* global discourseUrl:true */
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(function() {
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// Discover the URLs we want counts for
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var links = document.getElementsByTagName("a"),
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countFor = [];
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for(var i=0; i<links.length; i++) {
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var link = links[i],
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href = link.href;
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if (href && href.length) {
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if (/#discourse-comments$/.test(href)) {
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countFor.push(href);
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}
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}
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var dataEmbed = link.getAttribute('data-discourse-embed-url');
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if (dataEmbed && dataEmbed.length) {
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countFor.push(dataEmbed);
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}
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}
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// JSONP callback to update counts
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window.discourseUpdateCounts = function(result) {
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if (result && result.counts) {
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var byUrl = result.counts;
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for (var i=0; i<links.length; i++) {
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var link = links[i],
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linkCount = byUrl[link.href] || byUrl[link.href.replace(/\/#/, '#')];
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if (linkCount) {
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var t = document.createTextNode(" (" + linkCount + ")");
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link.appendChild(t);
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}
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}
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}
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};
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if (countFor.length > 0) {
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// Send JSONP request for the counts
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var d = document.createElement('script');
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d.src = discourseUrl + "embed/count?callback=discourseUpdateCounts&";
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for (var j=0; j<countFor.length; j++) {
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d.src += "&" + "embed_url[]=" + encodeURIComponent(countFor[j]);
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}
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(document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(d);
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}
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})();
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