MediaWiki:Gadget-Preload Page Images.js
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/* Preload next page image in Page namespace */
$(function () {
var page = mw.config.get('wgPageName');
var next = page.replace(/(.*\/)(\d+)$/, function(match, p1, p2) {
return p1 + (parseInt(p2) + 1);
});
var query = {
"action": "query",
"format": "json",
"prop": "imageforpage",
"titles": next,
"formatversion": "2"
};
var api = new mw.Api();
api.get(query).done(prefetchImages);
});
function prefetchImages (data) {
var images = data.query.pages[0].imagesforpage;
var promises = [];
promises.push($.get(images.thumbnail));
promises.push($.get(images.responsiveimages["1.5"]));
promises.push($.get(images.responsiveimages["2"]));
// promises.push($.get(images.fullsize));
/* Fullsize doesn't seem to be used for anything and could be huge. */
Promise.all(promises).then(function () {
$('#ca-proofreadPageNextLink a').css({
'border-bottom': '3px solid lightgreen'
});
});
}