User:Opencooper/svgReplace.js

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This user script seems to have a documentation page at User:Opencooper/svgReplace.

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// Crudely replaces all PNG thumbnails for SVG files with their actual SVGs
// Warning: does not check for browser SVG support;
//          Also downloads SVG files in addition to PNGs, so shouldn't be used
//          by the bandwidth-conscious 

// Extra code mostly to not clash with my own script lastEdit.js which also bulk edits the whole HTML instead of DOM editing
function observe() {
    if ($("#siteSub").length) {
        return;
    }

    var target = document.querySelector('#siteSub');
    var observer = new MutationObserver(function(mutations) {
         if ($("#lastEdit").length) {
            alert("observed");
            observer.disconnect();
        }
    });
    observer.observe(target, {childList: true});
}

function replaceSvg() {
    var curInnerHTML = document.getElementById('bodyContent').innerHTML;
    // Regex will break if thumbnail URL structure changes
    curInnerHTML = curInnerHTML.replace(/(\/\/.*?)\/thumb(.*?.svg).*?.svg.png/g, "$1$2");
    document.getElementById('bodyContent').innerHTML = curInnerHTML;
}

$(observe);