import CategorySelector from 'discourse/components/category-selector'; import { computed } from "@ember/object"; import { makeArray } from "discourse-common/lib/helpers"; export default CategorySelector.extend({ content: computed("categories.[]", "blacklist.[]", "whitelist.[]", function() { return this._super().filter(category => { const whitelist = makeArray(this.whitelist); return !whitelist.length || whitelist.indexOf(category.id) > -1; }); }) })