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