{"id":3918,"date":"2020-08-20T09:21:45","date_gmt":"2020-08-20T08:21:45","guid":{"rendered":"https:\/\/solidt.eu\/site\/?p=3918"},"modified":"2022-07-25T08:35:42","modified_gmt":"2022-07-25T07:35:42","slug":"javascript-filter-unique-closure","status":"publish","type":"post","link":"https:\/\/solidt.eu\/site\/javascript-filter-unique-closure\/","title":{"rendered":"Javascript filter unique \/ duplicates closure"},"content":{"rendered":"\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"js\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">const filterUnique = () => {\n\tconst keys = new Set();\n\treturn (key) => !keys.has(key) ? keys.add(key) || true : false;\n};\n\nconst filterById = filterUnique();\nconsole.log([{ id: 1 },{ id: 2 },{ id: 3 },{ id: 2 }].filter(x => filterById(x.id)));\n<\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[5,4,1],"tags":[],"class_list":["post-3918","post","type-post","status-publish","format-standard","hentry","category-javascript","category-programming","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts\/3918","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/comments?post=3918"}],"version-history":[{"count":2,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts\/3918\/revisions"}],"predecessor-version":[{"id":3949,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts\/3918\/revisions\/3949"}],"wp:attachment":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/media?parent=3918"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/categories?post=3918"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/tags?post=3918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}