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14 lines
524 B
14 lines
524 B
4 months ago
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import type { PromiseOrValue } from './PromiseOrValue';
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/**
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* Similar to Array.prototype.reduce(), however the reducing callback may return
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* a Promise, in which case reduction will continue after each promise resolves.
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*
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* If the callback does not return a Promise, then this function will also not
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* return a Promise.
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*/
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export declare function promiseReduce<T, U>(
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values: Iterable<T>,
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callbackFn: (accumulator: U, currentValue: T) => PromiseOrValue<U>,
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initialValue: PromiseOrValue<U>,
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): PromiseOrValue<U>;
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