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 
// License: CC0
function replaceSvg() {
    if (!(mw.config.get('wgAction') === 'view' && mw.config.get('wgIsArticle'))) {
        return;
    }
	
	alert("ran");
	
    $("#bodyContent img").each(function() {
        var src = $(this).attr("src");
        var srcset = $(this).attr("srcset");
        
        if (/.*.svg.png/.test(src)) {
            // Regex will break if thumbnail URL structure changes
            src = src.replace(/(\/\/.*)\/thumb(.*.svg).*.svg.png/, "$1$2");
            $(this).attr("src", src);
            srcset = srcset.replace(/(\/\/.*?)\/thumb(.*?.svg).*?.svg.png/g, "$1$2");
            $(this).attr("srcset", srcset);
        }
    });
}

$(replaceSvg);