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Improve disqus_embed.js scriptlet
Related issue: - https://github.com/uBlockOrigin/uBlock-issues/issues/959 The problematic site does not declare the expected `disqus_shortname` global variable, so the scriptlet has been extended to deal with such occurrence.
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@ -28,15 +28,31 @@
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b.type = 'button';
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p.appendChild(b);
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const loadDisqus = function(ev) {
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b.removeEventListener('click', loadDisqus);
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p.removeChild(b);
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const script = document.createElement('script');
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script.async = true;
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b.remove();
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let disqusScript =
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document.querySelector('script[src$=".disqus.com/embed.js"]');
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let newScript;
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if ( disqusScript !== null ) {
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disqusScript.remove();
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newScript = document.createElement('script');
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if ( disqusScript.hasAttributes() ) {
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const attrs = disqusScript.attributes;
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for ( let i = 0; i < attrs.length; i++ ) {
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const attr = attrs[i];
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newScript.setAttribute(attr.name, attr.value);
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}
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}
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} else if ( typeof self.disqus_shortname === 'string' ) {
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newScript = document.createElement('script');
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newScript.async = true;
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newScript.src = `//${self.disqus_shortname}.disqus.com/embed.js`;
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}
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if ( newScript === undefined ) { return; }
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const t = Date.now().toString();
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script.src = '//' + window.disqus_shortname + '.disqus.com/embed.js?_=1457540' + t.slice(-6);
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document.body.appendChild(script);
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newScript.src += '?_=1457540' + t.slice(-6);
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document.body.appendChild(newScript);
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ev.preventDefault();
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ev.stopPropagation();
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};
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b.addEventListener('click', loadDisqus);
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b.addEventListener('click', loadDisqus, { once: true });
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})();
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