blob: d841126b134d91737147c929836bf4a863a10da5 [file] [log] [blame]
import { Observer, PartialObserver } from './types';
import { Subscription } from './Subscription';
/**
* Implements the {@link Observer} interface and extends the
* {@link Subscription} class. While the {@link Observer} is the public API for
* consuming the values of an {@link Observable}, all Observers get converted to
* a Subscriber, in order to provide Subscription-like capabilities such as
* `unsubscribe`. Subscriber is a common type in RxJS, and crucial for
* implementing operators, but it is rarely used as a public API.
*
* @class Subscriber<T>
*/
export declare class Subscriber<T> extends Subscription implements Observer<T> {
/**
* A static factory for a Subscriber, given a (potentially partial) definition
* of an Observer.
* @param {function(x: ?T): void} [next] The `next` callback of an Observer.
* @param {function(e: ?any): void} [error] The `error` callback of an
* Observer.
* @param {function(): void} [complete] The `complete` callback of an
* Observer.
* @return {Subscriber<T>} A Subscriber wrapping the (partially defined)
* Observer represented by the given arguments.
* @nocollapse
*/
static create<T>(next?: (x?: T) => void, error?: (e?: any) => void, complete?: () => void): Subscriber<T>;
/** @internal */ syncErrorValue: any;
/** @internal */ syncErrorThrown: boolean;
/** @internal */ syncErrorThrowable: boolean;
protected isStopped: boolean;
protected destination: PartialObserver<any> | Subscriber<any>;
/**
* @param {Observer|function(value: T): void} [destinationOrNext] A partially
* defined Observer or a `next` callback function.
* @param {function(e: ?any): void} [error] The `error` callback of an
* Observer.
* @param {function(): void} [complete] The `complete` callback of an
* Observer.
*/
constructor(destinationOrNext?: PartialObserver<any> | ((value: T) => void), error?: (e?: any) => void, complete?: () => void);
/**
* The {@link Observer} callback to receive notifications of type `next` from
* the Observable, with a value. The Observable may call this method 0 or more
* times.
* @param {T} [value] The `next` value.
* @return {void}
*/
next(value?: T): void;
/**
* The {@link Observer} callback to receive notifications of type `error` from
* the Observable, with an attached `Error`. Notifies the Observer that
* the Observable has experienced an error condition.
* @param {any} [err] The `error` exception.
* @return {void}
*/
error(err?: any): void;
/**
* The {@link Observer} callback to receive a valueless notification of type
* `complete` from the Observable. Notifies the Observer that the Observable
* has finished sending push-based notifications.
* @return {void}
*/
complete(): void;
unsubscribe(): void;
protected _next(value: T): void;
protected _error(err: any): void;
protected _complete(): void;
/** @deprecated This is an internal implementation detail, do not use. */
_unsubscribeAndRecycle(): Subscriber<T>;
}
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
export declare class SafeSubscriber<T> extends Subscriber<T> {
private _parentSubscriber;
private _context;
constructor(_parentSubscriber: Subscriber<T>, observerOrNext?: PartialObserver<T> | ((value: T) => void), error?: (e?: any) => void, complete?: () => void);
next(value?: T): void;
error(err?: any): void;
complete(): void;
private __tryOrUnsub;
private __tryOrSetError;
/** @internal This is an internal implementation detail, do not use. */
_unsubscribe(): void;
}