| 1 | import { wrapWithAbort } from './operators/withabort';
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| 2 | import { throwIfAborted } from '../aborterror';
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| 3 | /**
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| 4 | * Returns the a Promise containing the index of the first element in the array that satisfies the provided testing function.
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| 5 | * Otherwise, it returns a Promise with -1, indicating that no element passed the test.
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| 6 | *
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| 7 | * @export
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| 8 | * @template T The type of the elements in the source sequence.
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| 9 | * @param {AsyncIterable<T>} source An async-iterable sequence whose elements to apply the predicate to.
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| 10 | * @param {FindOptions<T>} options The options for a predicate for filtering, thisArg for binding and AbortSignal for cancellation.
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| 11 | * @returns {Promise<number>} A promise containing the index of the first element in the array that passes the test. Otherwise, -1.
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| 12 | */
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| 13 | export async function findIndex(source, options) {
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| 14 | const { ['signal']: signal, ['thisArg']: thisArg, ['predicate']: predicate } = options;
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| 15 | throwIfAborted(signal);
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| 16 | let i = 0;
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| 17 | for await (const item of wrapWithAbort(source, signal)) {
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| 18 | if (await predicate.call(thisArg, item, i++, signal)) {
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| 19 | return i;
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| 20 | }
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| 21 | }
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| 22 | return -1;
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| 23 | }
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| 24 |
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| 25 | //# sourceMappingURL=findindex.mjs.map
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