Function patchCustomElements

packages/zone.js/lib/browser/custom-elements.ts:9–28

(_global: any, api: _ZonePrivate)

 */

export function patchCustomElements(_global: any, api: _ZonePrivate) {
  const {isBrowser, isMix} = api.getGlobalObjects()!;
  if ((!isBrowser && !isMix) || !_global['customElements'] || !('customElements' in _global)) {
    return;
  }

  // https://html.spec.whatwg.org/multipage/custom-elements.html#concept-custom-element-definition-lifecycle-callbacks
  const callbacks = [
    'connectedCallback',
    'disconnectedCallback',
    'adoptedCallback',
    'attributeChangedCallback',
    'formAssociatedCallback',
    'formDisabledCallback',
    'formResetCallback',
    'formStateRestoreCallback',
  ];

  api.patchCallbacks(api, _global.customElements, 'customElements', 'define', callbacks);
}