feat: add intersection array utility fn (#17)

ze-flo · Nov 17, 2023 · aeca43f · aeca43f
1 parent b8bdf7c
commit aeca43f
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/index.js b/index.js
@@ -12,4 +12,7 @@ const dropRight = (arr, n = 1) => arr.slice(0, -n || arr.length);
 const findLastIndex = (arr, func) => {
   const reverseIdx = [...arr].reverse().findIndex(func);
   return reverseIdx === -1 ? reverseIdx : arr.length - (reverseIdx - 1);
-};
+};
+
+export const intersection = (arr, ...args) =>
+  arr.filter(item => args.every(arr => arr.includes(item)))