From 94f3b5452add2382c242786d498333392b0f0ab2 Mon Sep 17 00:00:00 2001
From: Nikolay <46225163+vigdorov@users.noreply.github.com>
Date: Mon, 28 Dec 2020 00:26:59 +0300
Subject: [PATCH] =?UTF-8?q?Closes=20#20.=20=D0=94=D0=BE=D0=B1=D0=B0=D0=B2?=
 =?UTF-8?q?=D0=BB=D0=B5=D0=BD=D0=B8=D0=B5=20=D1=84=D1=83=D0=BD=D0=BA=D1=86?=
 =?UTF-8?q?=D0=B8=D0=B8=20toArray=20(#28)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/core/utils/__test__/toArray.test.ts | 16 ++++++++++++++++
 src/core/utils/toArray.ts               |  9 +++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 src/core/utils/__test__/toArray.test.ts
 create mode 100644 src/core/utils/toArray.ts

diff --git a/src/core/utils/__test__/toArray.test.ts b/src/core/utils/__test__/toArray.test.ts
new file mode 100644
index 0000000..7e3f2f9
--- /dev/null
+++ b/src/core/utils/__test__/toArray.test.ts
@@ -0,0 +1,16 @@
+import {toArray} from '../toArray';
+
+describe('toArray', () => {
+    it('Должен вернуть пустой массив', () => {
+        expect(toArray(undefined)).toEqual([]);
+        expect(toArray([])).toEqual([]);
+    });
+
+    it('Должен вернуть массив', () => {
+        expect(toArray('hji')).toEqual(['hji']);
+        expect(toArray(null)).toEqual([null]);
+        expect(toArray(0)).toEqual([0]);
+        expect(toArray([0, null, 'gh'])).toEqual([0, null, 'gh']);
+        expect(toArray([0, [null], 'gh'])).toEqual([0, [null], 'gh']);
+    });
+});
diff --git a/src/core/utils/toArray.ts b/src/core/utils/toArray.ts
new file mode 100644
index 0000000..bf3f8fc
--- /dev/null
+++ b/src/core/utils/toArray.ts
@@ -0,0 +1,9 @@
+export const toArray = <T>(value?: T | T[]): T[] => {
+    if (Array.isArray(value)) {
+        return value;
+    }
+
+    return [
+        ...(value !== undefined ? [value] : [])
+    ];
+};