1 import { Observable } from './Observable';
2 import { Subscription } from './Subscription';
4 /** OPERATOR INTERFACES */
6 export interface UnaryFunction<T, R> { (source: T): R; }
8 export interface OperatorFunction<T, R> extends UnaryFunction<Observable<T>, Observable<R>> {}
10 export type FactoryOrValue<T> = T | (() => T);
12 export interface MonoTypeOperatorFunction<T> extends OperatorFunction<T, T> {}
14 export interface Timestamp<T> {
19 export interface TimeInterval<T> {
24 /** SUBSCRIPTION INTERFACES */
26 export interface Unsubscribable {
30 export type TeardownLogic = Unsubscribable | Function | void;
32 export interface SubscriptionLike extends Unsubscribable {
34 readonly closed: boolean;
37 export type SubscribableOrPromise<T> = Subscribable<T> | Subscribable<never> | PromiseLike<T> | InteropObservable<T>;
39 /** OBSERVABLE INTERFACES */
41 export interface Subscribable<T> {
42 subscribe(observer?: PartialObserver<T>): Unsubscribable;
43 /** @deprecated Use an observer instead of a complete callback */
44 subscribe(next: null | undefined, error: null | undefined, complete: () => void): Unsubscribable;
45 /** @deprecated Use an observer instead of an error callback */
46 subscribe(next: null | undefined, error: (error: any) => void, complete?: () => void): Unsubscribable;
47 /** @deprecated Use an observer instead of a complete callback */
48 subscribe(next: (value: T) => void, error: null | undefined, complete: () => void): Unsubscribable;
49 subscribe(next?: (value: T) => void, error?: (error: any) => void, complete?: () => void): Unsubscribable;
52 export type ObservableInput<T> = SubscribableOrPromise<T> | ArrayLike<T> | Iterable<T>;
54 /** @deprecated use {@link InteropObservable } */
55 export type ObservableLike<T> = InteropObservable<T>;
57 export type InteropObservable<T> = { [Symbol.observable]: () => Subscribable<T>; };
59 /** OBSERVER INTERFACES */
61 export interface NextObserver<T> {
63 next: (value: T) => void;
64 error?: (err: any) => void;
65 complete?: () => void;
68 export interface ErrorObserver<T> {
70 next?: (value: T) => void;
71 error: (err: any) => void;
72 complete?: () => void;
75 export interface CompletionObserver<T> {
77 next?: (value: T) => void;
78 error?: (err: any) => void;
82 export type PartialObserver<T> = NextObserver<T> | ErrorObserver<T> | CompletionObserver<T>;
84 export interface Observer<T> {
86 next: (value: T) => void;
87 error: (err: any) => void;
91 /** SCHEDULER INTERFACES */
93 export interface SchedulerLike {
95 schedule<T>(work: (this: SchedulerAction<T>, state?: T) => void, delay?: number, state?: T): Subscription;
97 export interface SchedulerAction<T> extends Subscription {
98 schedule(state?: T, delay?: number): Subscription;
101 export type ObservedValueOf<O> = O extends ObservableInput<infer T> ? T : never;
103 export type ObservedValuesFromArray<X> = X extends Array<ObservableInput<infer T>> ? T : never;