feat: continued progress

test/unit/utils.test.js

@@ -0,0 +1,26 @@
+import * as utils from '../../src/utils'
+
+describe('utils.clone', () => {
+  test('string', () => {
+    const str = 'test'
+    expect(utils.clone(str)).toBe(str)
+  })
+
+  test('array', () => {
+    const arr = ['test']
+    const crr = utils.clone(arr)
+
+    expect(crr).not.toBe(arr)
+    expect(crr[0]).toBe(arr[0])
+  })
+
+  test('object', () => {
+    const obj = { context: {}, child: {}, a: 1 }
+    const cbj = utils.clone(obj)
+
+    expect(cbj).not.toBe(obj)
+    expect(cbj.context).toBe(obj.context)
+    expect(cbj.child).not.toBe(obj.child)
+    expect(cbj.a).toBe(obj.a)
+  })
+})