$( function () {
mw.loader.using( [ "mediawiki.api", 'mediawiki.util' ], function () {
var api = new mw.Api();
var catsOnPage = mw.config.get('wgCategories');
for(var cat of catsOnPage) {
// check if any categories on this page are parents of this category
api.get({formatversion:2, prop:'categories', titles:'Category:'+cat})
.then(function(data){
var parents=data.query.pages[0].categories.map(c => c.title);
var actualCat = data.query.pages[0].title.substring('Category:'.length);
for(var catOnPage of catsOnPage) {
if(parents.indexOf('Category:'+catOnPage) >= 0){
// tag parent with child
$('a[href$="Category:' + catOnPage + '"]')
.css({'background-color':'pink'})
.text(catOnPage + ' (parent of '+actualCat+')')
// tag child with parent
$('a[href$="Category:' + actualCat + '"]')
.css({'background-color':'pink'})
.text(actualCat+' (child of '+catOnPage+')')
}
}
});
}
});
});