polendina/test/fixtures/bare-async-esm/test-1.js

Non-UI browser testing for JavaScript libraries from the command-line

/* globals WorkerGlobalScope ServiceWorkerGlobalScope */

import { assert } from 'chai'

export default async function () {
  if (typeof ServiceWorkerGlobalScope !== 'undefined' && global instanceof ServiceWorkerGlobalScope) {
    console.log('testing is in serviceworker')
    assert.strictEqual(typeof ServiceWorkerGlobalScope, 'function')
  } else if (typeof WorkerGlobalScope !== 'undefined' && global instanceof WorkerGlobalScope) {
    console.log('testing is in worker')
    assert.strictEqual(typeof WorkerGlobalScope, 'function')
  } else {
    console.log('testing is not in worker')
    assert.strictEqual(typeof WorkerGlobalScope, 'undefined')
  }
}