| 1 | import { AsyncIterableX } from './asynciterablex';
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| 2 | import { sleep } from './_sleep';
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| 3 | import { throwIfAborted } from '../aborterror';
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| 4 | class GenerateTimeAsyncIterable extends AsyncIterableX {
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| 5 | constructor(initialState, condition, iterate, resultSelector, timeSelector) {
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| 6 | super();
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| 7 | this._initialState = initialState;
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| 8 | this._condition = condition;
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| 9 | this._iterate = iterate;
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| 10 | this._resultSelector = resultSelector;
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| 11 | this._timeSelector = timeSelector;
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| 12 | }
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| 13 | async *[Symbol.asyncIterator](signal) {
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| 14 | throwIfAborted(signal);
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| 15 | for (let i = this._initialState; await this._condition(i, signal); i = await this._iterate(i, signal)) {
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| 16 | const time = await this._timeSelector(i, signal);
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| 17 | await sleep(time, signal);
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| 18 | yield await this._resultSelector(i, signal);
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| 19 | }
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| 20 | }
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| 21 | }
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| 22 | /**
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| 23 | * Generates an async-iterable sequence by running a time-based state-driven loop producing the sequence's elements.
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| 24 | *
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| 25 | * @export
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| 26 | * @template TState The type of the state used in the generator loop.
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| 27 | * @template TResult The type of the elements in the produced sequence.
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| 28 | * @param {TState} initialState The initial state.
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| 29 | * @param {((value: TState, signal?: AbortSignal) => boolean | Promise<boolean>)} condition Condition to terminate generation (upon returning false).
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| 30 | * @param {((value: TState, signal?: AbortSignal) => TState | Promise<TState>)} iterate Iteration step function.
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| 31 | * @param {((value: TState, signal?: AbortSignal) => TResult | Promise<TResult>)} resultSelector Selector function for results produced in
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| 32 | * the sequence.
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| 33 | * @param {((value: TState, signal?: AbortSignal) => number | Promise<number>)} timeSelector Selector function for how much time to wait.
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| 34 | * @returns {AsyncIterableX<TResult>} The generated async-iterable sequence.
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| 35 | */
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| 36 | export function generateTime(initialState, condition, iterate, resultSelector, timeSelector) {
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| 37 | return new GenerateTimeAsyncIterable(initialState, condition, iterate, resultSelector, timeSelector);
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| 38 | }
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| 39 |
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| 40 | //# sourceMappingURL=generatetime.mjs.map
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