本文整理汇总了TypeScript中rxjs/operator/first.first.call方法的典型用法代码示例。如果您正苦于以下问题：TypeScript first.call方法的具体用法？TypeScript first.call怎么用？TypeScript first.call使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类rxjs/operator/first.first的用法示例。
在下文中一共展示了first.call方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: it
it('should return null when no errors', () => {
const v = Validators.composeAsync([observableValidator({'one': true})]) !;
let errorMap: {[key: string]: any} = undefined !;
first.call(v(new FormControl('expected')))
.subscribe((errors: {[key: string]: any}) => errorMap = errors);
expect(errorMap).toBeNull();
});示例2: it
it('should normalize and evaluate async validator-directives correctly', () => {
const v = Validators.composeAsync(
[normalizeAsyncValidator(new AsyncValidatorDirective('expected', {'one': true}))]) !;
let errorMap: {[key: string]: any} = undefined !;
first.call(v(new FormControl('invalid')))
.subscribe((errors: {[key: string]: any}) => errorMap = errors) !;
expect(errorMap).toEqual({'one': true});
});示例3:
return moduleRefPromise.then((moduleRef) => {
const applicationRef: ApplicationRef = moduleRef.injector.get(ApplicationRef);
return toPromise
.call(first.call(filter.call(applicationRef.isStable, (isStable: boolean) => isStable)))
.then(() => {
const output = platform.injector.get(PlatformState).renderToString();
platform.destroy();
return output;
});
});示例4: it
it('should return null when no errors', fakeAsync(() => {
const v = Validators.composeAsync([promiseValidator({'one': true})]);
let errorMap: {[key: string]: any};
first.call(v(new FormControl('expected')))
.subscribe((errors: {[key: string]: any}) => errorMap = errors);
tick();
expect(errorMap).toBeNull();
}));示例5: Error
return moduleRefPromise.then((moduleRef) => {
const transitionId = moduleRef.injector.get(ÉľTRANSITION_ID, null);
if (!transitionId) {
throw new Error(
`renderModule[Factory]() requires the use of BrowserModule.withServerTransition() to ensure
the server-rendered app can be properly bootstrapped into a client app.`);
}
const applicationRef: ApplicationRef = moduleRef.injector.get(ApplicationRef);
return toPromise
.call(first.call(filter.call(applicationRef.isStable, (isStable: boolean) => isStable)))
.then(() => {
const output = platform.injector.get(PlatformState).renderToString();
platform.destroy();
return output;
});
});