feat: add pushValueTo array util to core

npm/ng-packs/packages/core/src/lib/tests/array-utils.spec.ts

@@ -0,0 +1,17 @@
+import { pushValueTo } from '../utils/array-utils';
+
+describe('Array Utils', () => {
+  describe('#pushValueTo', () => {
+    test.each`
+      source          | target          | expected
+      ${[]}           | ${[0, 1, 2, 3]} | ${[0, 1, 2, 3]}
+      ${[3]}          | ${[0, 1, 2]}    | ${[0, 1, 2, 3]}
+      ${[2, 3]}       | ${[0, 1]}       | ${[0, 1, 2, 3]}
+      ${[1, 2, 3]}    | ${[0]}          | ${[0, 1, 2, 3]}
+      ${[0, 1, 2, 3]} | ${[]}           | ${[0, 1, 2, 3]}
+    `('should push $source to $target when called in forEach', ({ source, target, expected }) => {
+      source.forEach(pushValueTo(target));
+      expect(target).toEqual(expected);
+    });
+  });
+});

npm/ng-packs/packages/core/src/lib/utils/array-utils.ts

@@ -0,0 +1,6 @@
+export function pushValueTo<T extends any>(array: T[]) {
+  return (element: T) => {
+    array.push(element);
+    return array;
+  };
+}

npm/ng-packs/packages/core/src/lib/utils/index.ts

@@ -1,3 +1,4 @@
+export * from './array-utils';
 export * from './common-utils';
 export * from './factory-utils';
 export * from './form-utils';