User:Enterprisey/parent-cats.js

$( 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+')')

}					}			});		}	}); });