// Shows a [[mw:Help:Page status indicators|topicon]] when viewing a [[Wikipedia:Vital articles|vital article]].
mw.config.get('wgNamespaceNumber') === 0 &&
mw.config.get('wgAction') === 'view' &&
mw.loader.using('mediawiki.api').then(() => (
new mw.Api().get({
action: 'query',
titles: 'Talk:' + mw.config.get('wgTitle'),
prop: 'categories',
clcategories: 'Category:Wikipedia level-1 vital articles|Category:Wikipedia level-2 vital articles|Category:Wikipedia level-3 vital articles|Category:Wikipedia level-4 vital articles|Category:Wikipedia level-5 vital articles|Category:Wikipedia level-unknown vital articles',
formatversion: 2,
maxage: 86400,
smaxage: 86400
})
)).then(response => {
let cat = (((((response || {}).query || {}).pages || [])[0] || {}).categories || [])[0];
if (!cat) return;
let level = cat.title.match(/^Category:Wikipedia level-(.+) vital articles$/)[1];
let $icon = $('<div>').attr({
id: 'mw-indicator-vital-article',
class: 'mw-indicator'
}).append(
$('<a>').attr({
href: `/wiki/Wikipedia:Vital_articles${['3', 'unknown'].includes(level) ? '' : '/Level/' + level}`,
title: `This is a level-${level} vital article.`
}).append(
$('<img>').attr({
alt: 'Vital article',
src: '//upload.wikimedia.org/wikipedia/commons/1/13/C%C3%ADrculos_Conc%C3%A9ntricos.svg',
width: 20,
height: 20
})
)
);
mw.hook('wikipage.indicators').fire($icon);
$(() => {
$('.mw-indicators').prepend($icon, '\n');
});
});