@instructure/ui-test-utils/src/utils/shims.ts

A UI testing library made by Instructure Inc.

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 - present Instructure, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

// @ts-expect-error no type definitions :/
import MutationObserverShim from '@sheerun/mutationobserver-shim'

if (typeof document === 'undefined') {
  console.error(`[ui-test-utils] requires access to the DOM API!`)
}
// jsdom doesn't provide Date on the window object and we need it for wait-for-expect
global.window.Date =
  // @ts-expect-error this is needed for jsdom?
  global.window.Date && global.window.Date.now
    ? global.window.Date
    : global.Date
// shims:
global.MutationObserver = window.MutationObserver || MutationObserverShim
global.setImmediate =
  window.setImmediate ||
  function setImmediate(fn: any) {
    return setTimeout(fn, 0)
  }