15 lines
1.1 KiB
TypeScript
15 lines
1.1 KiB
TypeScript
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import { Observable } from '../Observable';
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/**
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* Takes an Observable of Observables, and collects all observables from it. Once the outer observable
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* completes, it subscribes to all collected observables and "combines" their values, such that:
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* - every time an observable emits, the returned observable emits
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* - when the returned observable emits, it emits all of the most recent values by:
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* - if a `project` function is provided, it is called with each recent value from each observable in whatever order they arrived,
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* and the result of the `project` function is what is emitted by the returned observable
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* - if there is no `project` function, an array of all of the most recent values is emitted by the returned observable.
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* @param {function} [project] an optional function to map the most recent values from each observable into a new result. Takes each of the
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* most recent values from each collected observable as arguments, in order.
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* @returns {Observable} an observable of projected results or arrays of recent values.
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*/
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export declare function combineAll<T, R>(project?: (...values: Array<any>) => R): Observable<R>;
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