Function canPatchOnProperty

packages/zone.js/test/browser/browser.spec.ts:27–41

(obj: any, prop: string)

}

function canPatchOnProperty(obj: any, prop: string) {
  const func = function () {
    if (!obj) {
      return false;
    }
    const desc = Object.getOwnPropertyDescriptor(obj, prop);
    if (!desc || !desc.configurable) {
      return false;
    }
    return true;
  };

  (func as any).message = 'patchOnProperties';
  return func;
}

let supportsPassive = false;
try {