本文整理汇总了TypeScript中rxjs/operator/toPromise.toPromise类的典型用法代码示例。如果您正苦于以下问题：TypeScript toPromise类的具体用法？TypeScript toPromise怎么用？TypeScript toPromise使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了toPromise类的9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: FirebaseListFactory
.then(() => {
let query1 = FirebaseListFactory(`questions`, {
query: {
orderByChild: 'data',
endAt: { value: 0 }
}
});
query1 = take.call(query1, 1);
query1 = toPromise.call(query1);
let query2 = FirebaseListFactory(`questions`, {
query: {
orderByChild: 'data',
endAt: { value: 0, key: 'val2' }
}
});
query2 = take.call(query2, 1);
query2 = toPromise.call(query2);
Promise.all([query1, query2]).then(([list1, list2]) => {
expect(list1.map(i => i.$key)).toEqual(['val1', 'val2', 'val3']);
expect(list2.map(i => i.$key)).toEqual(['val1', 'val2']);
done();
});
})示例2: 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 platformState = platform.injector.get(PlatformState);
// Run any BEFORE_APP_SERIALIZED callbacks just before rendering to string.
const callbacks = moduleRef.injector.get(BEFORE_APP_SERIALIZED, null);
if (callbacks) {
for (const callback of callbacks) {
try {
callback();
} catch (e) {
// Ignore exceptions.
console.warn('Ignoring BEFORE_APP_SERIALIZED Exception: ', e);
}
}
}
const output = platformState.renderToString();
platform.destroy();
return output;
});
});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:
const initializer = () => {
const app = injector.get<ApplicationRef>(ApplicationRef);
if (!('serviceWorker' in navigator)) {
return;
}
const onStable =
op_filter.call(app.isStable, (stable: boolean) => !!stable) as Observable<boolean>;
const isStable = op_take.call(onStable, 1) as Observable<boolean>;
const whenStable = op_toPromise.call(isStable) as Promise<boolean>;
return whenStable.then(() => navigator.serviceWorker.register(script, options))
.then(() => undefined) as Promise<void>;
};示例5:
const initializer = () => {
const app = injector.get<ApplicationRef>(ApplicationRef);
if (!('serviceWorker' in navigator)) {
return;
}
const onStable =
op_filter.call(app.isStable, (stable: boolean) => !!stable) as Observable<boolean>;
const isStable = op_take.call(onStable, 1) as Observable<boolean>;
const whenStable = op_toPromise.call(isStable) as Promise<boolean>;
// Don't return the Promise, as that will block the application until the SW is registered, and
// cause a crash if the SW registration fails.
whenStable.then(() => navigator.serviceWorker.register(script, options));
};示例6: FirebaseListFactory
.then(() => {
let query1 = FirebaseListFactory(app.database().ref(`questions`), {
query: {
orderByChild: 'data',
equalTo: { value: 0 }
}
});
let promise1 = toPromise.call(take.call(query1, 1));
let query2 = FirebaseListFactory(app.database().ref(`questions`), {
query: {
orderByChild: 'data',
equalTo: { value: 0, key: 'val2' }
}
});
let promise2 = toPromise.call(take.call(query2, 1));
Promise.all([promise1, promise2]).then(([list1, list2]) => {
expect(list1.map(i => i.$key)).toEqual(['val1', 'val2', 'val3']);
expect(list2.map(i => i.$key)).toEqual(['val2']);
done();
});
})示例7: 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;
});
});示例8:
const initializer = () => {
const app = injector.get<ApplicationRef>(ApplicationRef);
if (!(isPlatformBrowser(platformId) && ('serviceWorker' in navigator) &&
options.enabled !== false)) {
return;
}
const onStable =
op_filter.call(app.isStable, (stable: boolean) => !!stable) as Observable<boolean>;
const isStable = op_take.call(onStable, 1) as Observable<boolean>;
const whenStable = op_toPromise.call(isStable) as Promise<boolean>;
// Wait for service worker controller changes, and fire an INITIALIZE action when a new SW
// becomes active. This allows the SW to initialize itself even if there is no application
// traffic.
navigator.serviceWorker.addEventListener('controllerchange', () => {
if (navigator.serviceWorker.controller !== null) {
navigator.serviceWorker.controller.postMessage({action: 'INITIALIZE'});
}
});
// Don't return the Promise, as that will block the application until the SW is registered, and
// cause a crash if the SW registration fails.
whenStable.then(() => navigator.serviceWorker.register(script, {scope: options.scope}));
};示例9: _convertToPromise
function _convertToPromise(obj: any): Promise<any> {
return isPromise(obj) ? obj : toPromise.call(obj);
}