mirror of
https://github.com/aureliendavid/rsspreview.git
synced 2025-08-22 19:28:39 +00:00
47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
(function() {
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/**
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* Check and set a global guard variable.
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* If this content script is injected into the same page again,
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* it will do nothing next time.
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*/
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if (window.hasRun) {
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console.log("already run");
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return;
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}
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window.hasRun = true;
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var rootNode = document.getRootNode().documentElement;
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// for chrome
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var d = document.getElementById("webkit-xml-viewer-source-xml");
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if (d && d.firstChild)
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rootNode = d.firstChild;
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const rootName = rootNode.nodeName.toLowerCase();
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var isRSS1 = false;
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if (rootName == "rdf" || rootName == "rdf:rdf") {
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if (rootNode.attributes['xmlns']) {
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isRSS1 = (rootNode.attributes['xmlns'].nodeValue.search('rss') > 0)
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}
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}
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if ( rootName == "rss" || rootName == "channel" // rss2
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|| rootName == "feed" // atom
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|| isRSS1 ) {
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var feed_url = window.location.href;
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var url = "preview.html?" + encodeURIComponent(feed_url);
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url = chrome.extension.getURL(url);
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// redirect to preview page with feed url as query string
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window.location.replace(url);
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}
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})();
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