chore: fix TS lint errors in #786

src/test/v4.test.ts

@@ -1,7 +1,7 @@
 import * as assert from 'assert';
-import test, { describe, mock } from 'node:test';
-import v4 from '../v4.js';
+import test, { describe } from 'node:test';
 import native from '../native.js';
+import v4 from '../v4.js';
 
 const randomBytesFixture = Uint8Array.of(
   0x10,
@@ -49,22 +49,38 @@ describe('v4', () => {
     assert.ok(id1 !== id2);
   });
 
-  test('should uses native randomUUID() if no option is passed', () => {
-    mock.method(native, 'randomUUID');
+  test('should uses native randomUUID() if no option is passed', async () => {
+    // TODO: `mock` is not supported until node@18, so we feature-detect it
+    // here.  Once node@16 drops off our support matrix, we can just
+    // static-import it normally
+    const mock = (await import('node:test')).default.mock;
+    if (!mock) {
+      return;
+    }
 
-    assert.equal((native.randomUUID as any).mock.callCount(), 0);
+    const mockRandomUUID = mock.method(native, 'randomUUID');
+
+    assert.equal(mockRandomUUID.mock.callCount(), 0);
     v4();
-    assert.equal((native.randomUUID as any).mock.callCount(), 1);
+    assert.equal(mockRandomUUID.mock.callCount(), 1);
 
     mock.restoreAll();
   });
 
-  test('should not use native randomUUID() if an option is passed', () => {
-    mock.method(native, 'randomUUID');
+  test('should not use native randomUUID() if an option is passed', async () => {
+    // TODO: `mock` is not supported until node@18, so we feature-detect it
+    // here.  Once node@16 drops off our support matrix, we can just
+    // static-import it normally
+    const mock = (await import('node:test')).default.mock;
+    if (!mock) {
+      return;
+    }
+
+    const mockRandomUUID = mock.method(native, 'randomUUID');
 
-    assert.equal((native.randomUUID as any).mock.callCount(), 0);
+    assert.equal(mockRandomUUID.mock.callCount(), 0);
     v4({});
-    assert.equal((native.randomUUID as any).mock.callCount(), 0);
+    assert.equal(mockRandomUUID.mock.callCount(), 0);
 
     mock.restoreAll();
   });