Joey Perrott d1ea1f4c7f build: update license headers to reference Google LLC ()
Update the license headers throughout the repository to reference Google LLC
rather than Google Inc, for the required license headers.

PR Close 
2020-05-26 14:26:58 -04:00

150 lines
4.9 KiB
TypeScript

/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
(function(_global: any) {
class AsyncTestZoneSpec implements ZoneSpec {
static symbolParentUnresolved = Zone.__symbol__('parentUnresolved');
_pendingMicroTasks: boolean = false;
_pendingMacroTasks: boolean = false;
_alreadyErrored: boolean = false;
_isSync: boolean = false;
runZone = Zone.current;
unresolvedChainedPromiseCount = 0;
supportWaitUnresolvedChainedPromise = false;
constructor(
private finishCallback: Function, private failCallback: Function, namePrefix: string) {
this.name = 'asyncTestZone for ' + namePrefix;
this.properties = {'AsyncTestZoneSpec': this};
this.supportWaitUnresolvedChainedPromise =
_global[Zone.__symbol__('supportWaitUnResolvedChainedPromise')] === true;
}
isUnresolvedChainedPromisePending() {
return this.unresolvedChainedPromiseCount > 0;
}
_finishCallbackIfDone() {
if (!(this._pendingMicroTasks || this._pendingMacroTasks ||
(this.supportWaitUnresolvedChainedPromise && this.isUnresolvedChainedPromisePending()))) {
// We do this because we would like to catch unhandled rejected promises.
this.runZone.run(() => {
setTimeout(() => {
if (!this._alreadyErrored && !(this._pendingMicroTasks || this._pendingMacroTasks)) {
this.finishCallback();
}
}, 0);
});
}
}
patchPromiseForTest() {
if (!this.supportWaitUnresolvedChainedPromise) {
return;
}
const patchPromiseForTest = (Promise as any)[Zone.__symbol__('patchPromiseForTest')];
if (patchPromiseForTest) {
patchPromiseForTest();
}
}
unPatchPromiseForTest() {
if (!this.supportWaitUnresolvedChainedPromise) {
return;
}
const unPatchPromiseForTest = (Promise as any)[Zone.__symbol__('unPatchPromiseForTest')];
if (unPatchPromiseForTest) {
unPatchPromiseForTest();
}
}
// ZoneSpec implementation below.
name: string;
properties: {[key: string]: any};
onScheduleTask(delegate: ZoneDelegate, current: Zone, target: Zone, task: Task): Task {
if (task.type !== 'eventTask') {
this._isSync = false;
}
if (task.type === 'microTask' && task.data && task.data instanceof Promise) {
// check whether the promise is a chained promise
if ((task.data as any)[AsyncTestZoneSpec.symbolParentUnresolved] === true) {
// chained promise is being scheduled
this.unresolvedChainedPromiseCount--;
}
}
return delegate.scheduleTask(target, task);
}
onInvokeTask(
delegate: ZoneDelegate, current: Zone, target: Zone, task: Task, applyThis: any,
applyArgs: any) {
if (task.type !== 'eventTask') {
this._isSync = false;
}
return delegate.invokeTask(target, task, applyThis, applyArgs);
}
onCancelTask(delegate: ZoneDelegate, current: Zone, target: Zone, task: Task) {
if (task.type !== 'eventTask') {
this._isSync = false;
}
return delegate.cancelTask(target, task);
}
// Note - we need to use onInvoke at the moment to call finish when a test is
// fully synchronous. TODO(juliemr): remove this when the logic for
// onHasTask changes and it calls whenever the task queues are dirty.
// updated by(JiaLiPassion), only call finish callback when no task
// was scheduled/invoked/canceled.
onInvoke(
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, delegate: Function,
applyThis: any, applyArgs?: any[], source?: string): any {
let previousTaskCounts: any = null;
try {
this._isSync = true;
return parentZoneDelegate.invoke(targetZone, delegate, applyThis, applyArgs, source);
} finally {
const afterTaskCounts: any = (parentZoneDelegate as any)._taskCounts;
if (this._isSync) {
this._finishCallbackIfDone();
}
}
}
onHandleError(parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, error: any):
boolean {
// Let the parent try to handle the error.
const result = parentZoneDelegate.handleError(targetZone, error);
if (result) {
this.failCallback(error);
this._alreadyErrored = true;
}
return false;
}
onHasTask(delegate: ZoneDelegate, current: Zone, target: Zone, hasTaskState: HasTaskState) {
delegate.hasTask(target, hasTaskState);
if (hasTaskState.change == 'microTask') {
this._pendingMicroTasks = hasTaskState.microTask;
this._finishCallbackIfDone();
} else if (hasTaskState.change == 'macroTask') {
this._pendingMacroTasks = hasTaskState.macroTask;
this._finishCallbackIfDone();
}
}
}
// Export the class so that new instances can be created with proper
// constructor params.
(Zone as any)['AsyncTestZoneSpec'] = AsyncTestZoneSpec;
})(typeof window !== 'undefined' && window || typeof self !== 'undefined' && self || global);