Function patchBrowser

packages/zone.js/lib/browser/browser.ts:31–331

(Zone: ZoneType)

import {propertyDescriptorPatch} from './property-descriptor';

export function patchBrowser(Zone: ZoneType): void {
  Zone.__load_patch('timers', (global: any) => {
    const set = 'set';
    const clear = 'clear';
    patchTimer(global, set, clear, 'Timeout');
    patchTimer(global, set, clear, 'Interval');
    patchTimer(global, set, clear, 'Immediate');
  });

  Zone.__load_patch('requestAnimationFrame', (global: any) => {
    patchTimer(global, 'request', 'cancel', 'AnimationFrame');
    patchTimer(global, 'mozRequest', 'mozCancel', 'AnimationFrame');
    patchTimer(global, 'webkitRequest', 'webkitCancel', 'AnimationFrame');
  });

  Zone.__load_patch('blocking', (global: any, Zone: ZoneType) => {
    const blockingMethods = ['alert', 'prompt', 'confirm'];
    for (let i = 0; i < blockingMethods.length; i++) {
      const name = blockingMethods[i];
      patchMethod(global, name, (delegate, symbol, name) => {
        return function (s: any, args: any[]) {
          return Zone.current.run(delegate, global, args, name);
        };
      });
    }
  });

  Zone.__load_patch('EventTarget', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
    patchEvent(global, api);
    eventTargetPatch(global, api);
    // patch XMLHttpRequestEventTarget's addEventListener/removeEventListener
    const XMLHttpRequestEventTarget = (global as any)['XMLHttpRequestEventTarget'];
    if (XMLHttpRequestEventTarget && XMLHttpRequestEventTarget.prototype) {
      api.patchEventTarget(global, api, [XMLHttpRequestEventTarget.prototype]);
    }
  });

  Zone.__load_patch('MutationObserver', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
    patchClass('MutationObserver');
    patchClass('WebKitMutationObserver');
  });

  Zone.__load_patch('IntersectionObserver', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
    patchClass('IntersectionObserver');
  });

  Zone.__load_patch('FileReader', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
    patchClass('FileReader');
  });

  Zone.__load_patch('on_property', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
    propertyDescriptorPatch(api, global);
  });

  Zone.__load_patch('customElements', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
    patchCustomElements(global, api);
  });