test: add isWebWorker() helper test

Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>

Author: jerome-benoit

src/utils.ts

@@ -280,6 +280,12 @@ export const once = <T, A extends any[], R>(
   }
 }
 
+/**
+ * Returns whether the current environment is a web worker or not.
+ *
+ * @returns `true` if the current environment is a web worker, `false` otherwise.
+ * @internal
+ */
 export const isWebWorker = () => {
   return (
     typeof WorkerGlobalScope !== 'undefined' &&

tests/utils.test.mjs

@@ -18,6 +18,7 @@ import {
   isAsyncFunction,
   isKillBehavior,
   isPlainObject,
+  isWebWorker,
   max,
   median,
   min,
@@ -273,4 +274,8 @@ Deno.test('Utils test suite', async (t) => {
     expect(called).toBe(1)
     expect(result3).toBe(1)
   })
+
+  await t.step('Verify isWebWorker()', () => {
+    expect(isWebWorker()).toBe(false)
+  })
 })