amiralies/filter.js

Created July 25, 2019 15:39

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amiralies created this gist Jul 25, 2019.

filter.js

-Original file line number
+Diff line change
@@ -0,0 +1,8 @@
+    const filter = (obj, fun) =>
+      Object.entries(obj).reduce(
+        (prev, [key, value]) => ({
+          ...prev,
+          ...(fun(key, value) ? { [key]: value } : {})
+        }),
+        {}
+      );