vtoubiana / trackmenot-chrome Goto Github PK

If there is more then one RSS feed this extension never gets results from any other then the last feed and sometimes it takes results from the last feed multiple times. So you end up with multiple extracted feeds with the same content.

This is caused by bug in handling of async requests by req.onreadystatechange() in doRssFetch(). (Chrome 58)

I got irritated by this bug so I have rewritten this function:

    function doRssFetch(feedUrl) {
        debug('doRSSFetch: ' + feedUrl);
        try {
            var req = new XMLHttpRequest();
            req.open('GET', feedUrl, true); // false == not async but this is depreciated
            req.onreadystatechange = function() {
                if (req.readyState == 4 && req.status == 200 && req.responseXML != null) {
                    debug("doRSSFetch: Recieved feed from " + feedUrl);
                    var adds = extractRssTitles(req.responseXML, feedUrl);
                    // debug(req.responseXML);
                    // debug(req.responseText);
                }
            }
            req.send();
        } catch (ex) {
            cout("[WARN]  doRssFetch(" + feedUrl + ")\n" +
                "  " + ex.message + " | Using defaults...");
            return; 
        }
    }

Unfortunately it had been only a start for me as I have got sucked in experimenting with augmenting logic of this extension.

The result is this fork

I have stripped away some logic, refactored some code and also added XregExp and nlp_compromise libraries. So now it can handle queries in other scripts like Chinese (if you seed with some foreign RSS feed for example) and also do some NLP - extracting more meaningful queries from search results. This could be of course extended.

I am not trying to say that mine is better. Just enjoyed testing some ideas.