34 lines
1.3 KiB
TypeScript
34 lines
1.3 KiB
TypeScript
import { Connect, Observable, ObserverOrNext, Subscription } from './types';
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/**
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* Observable is a standard interface that's useful for modeling multiple,
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* asynchronous events.
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*
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* IndefiniteObservable is a minimalist implementation of a subset of the TC39
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* Observable proposal. It is indefinite because it will never call `complete`
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* or `error` on the provided observer.
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*/
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export default class IndefiniteObservable<T> implements Observable<T> {
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private _connect;
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/**
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* The provided function should receive an observer and connect that
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* observer's `next` method to an event source (for instance,
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* `element.addEventListener('click', observer.next)`).
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*
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* It must return a function that will disconnect the observer from the event
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* source.
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*/
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constructor(connect: Connect<T>);
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/**
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* `subscribe` uses the function supplied to the constructor to connect an
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* observer to an event source. Each observer is connected independently:
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* each call to `subscribe` calls `connect` with the new observer.
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*
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* To disconnect the observer from the event source, call `unsubscribe` on the
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* returned subscription.
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*
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* Note: `subscribe` accepts either a function or an object with a
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* next method.
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*/
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subscribe(observerOrNext: ObserverOrNext<T>): Subscription;
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}
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