export function toObservable(r: any): Observable<any> {
const obs = isPromise(r) ? fromPromise(r) : r;
if (!(isObservable(obs))) {
throw new Error(`Expected validator to return Promise or Observable.`);
}
return obs;
}
export function wrapIntoObservable<T>(value: T | NgModuleFactory<T>| Promise<T>| Observable<T>):
Observable<T> {
if (isObservable(value)) {
return value;
}
if (isPromise(value)) {
return fromPromise(value);
}
return of (value);
}
export function wrapIntoObservable<T>(value: T | NgModuleFactory<T>| Promise<T>| Observable<T>) {
if (isObservable(value)) {
return value;
}
if (isPromise(value)) {
// Use `Promise.resolve()` to wrap promise-like instances.
// Required ie when a Resolver returns a AngularJS `$q` promise to correctly trigger the
// change detection.
return from(Promise.resolve(value));
}
return of (value);
}