test: ignore coverage to test nextTickFn

src/util/__tests__/enumObject.test.ts

@@ -0,0 +1,24 @@
+import { enumObject } from '../objects';
+
+test('it should ignore and not crash with non-object', () => {
+  expect(Array.from(enumObject('string' as never))).toEqual([]);
+});
+
+test('it should ignore and not crash with null', () => {
+  expect(Array.from(enumObject(null))).toEqual([]);
+});
+
+test('it be able to iterate object', () => {
+  expect(Array.from(enumObject({ a: '1', b: '2' }))).toMatchInlineSnapshot(`
+    [
+      [
+        "a",
+        "1",
+      ],
+      [
+        "b",
+        "2",
+      ],
+    ]
+  `);
+});

src/util/nextTick.ts

@@ -1,10 +1,13 @@
 type NextTickFn = (callback: () => void) => void;
+
+/* c8 ignore start */
 const nextTickFn =
   typeof setImmediate !== 'undefined'
     ? (setImmediate as NextTickFn)
     : typeof requestAnimationFrame !== 'undefined'
     ? (requestAnimationFrame as NextTickFn)
     : (setTimeout as NextTickFn);
+/* c8 ignore stop */
 
 export async function nextTickAsync() {
   return new Promise<void>((resolve) => nextTickFn(resolve));