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] : [])
+    ];
+};