| 1 | import { comparerAsync } from '../util/comparer';
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| 2 | import { wrapWithAbort } from './operators/withabort';
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| 3 | import { throwIfAborted } from '../aborterror';
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| 4 | /**
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| 5 | * Determines whether two sequences are equal by comparing the elements pairwise.
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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 First async-iterable sequence to compare.
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| 10 | * @param {AsyncIterable<T>} other Second async-iterable sequence to compare.
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| 11 | * @param {SequencEqualOptions<T>} [options] The sequence equal options which include an optional comparer and optional abort signal.
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| 12 | * @returns {Promise<boolean>} A promise which indicates whether both sequences are of equal length and their
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| 13 | * corresponding elements are equal.
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| 14 | */
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| 15 | export async function sequenceEqual(source, other, options) {
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| 16 | const { ['comparer']: comparer = comparerAsync, ['signal']: signal } = options || {};
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| 17 | throwIfAborted(signal);
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| 18 | const it1 = wrapWithAbort(source, signal)[Symbol.asyncIterator]();
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| 19 | const it2 = wrapWithAbort(other, signal)[Symbol.asyncIterator]();
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| 20 | let next1;
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| 21 | let next2;
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| 22 | while (!(next1 = await it1.next()).done) {
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| 23 | if (!(!(next2 = await it2.next()).done && (await comparer(next1.value, next2.value)))) {
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| 24 | return false;
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| 25 | }
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| 26 | }
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| 27 | return !!(await it2.next()).done;
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| 28 | }
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| 29 |
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| 30 | //# sourceMappingURL=sequenceequal.mjs.map
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