feat(uip-setting): create array-utils class

create array-utils for easier array's manipulation

src/utils/array-utils/array-utils.ts

@@ -0,0 +1,17 @@
+export default class ArrayUtils {
+  static equals<T>(arr1: T[], arr2: T[]): boolean {
+    return ArrayUtils.contains(arr1, arr2) && ArrayUtils.contains(arr2, arr1);
+  }
+
+  static contains<T>(array: T[], subArray: T[]): boolean {
+    return subArray.every(el => array.indexOf(el) !== -1);
+  }
+
+  static select<T>(array: T[], selectItems: T[]): T[] {
+    return array.filter(el => selectItems.indexOf(el) !== -1);
+  }
+
+  static intersection<T>(...arrays: T[][]): T[] {
+    return arrays.reduce((inter, array) => ArrayUtils.select(array, inter), arrays[0]);
+  }
+}