| 1 | /**
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| 2 | * Returns the first element of an iterable sequence that matches the predicate if provided, or undefined if no such element exists.
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| 3 | *
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| 4 | * @export
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| 5 | * @template T The type of the elements in the source sequence.
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| 6 | * @param {Iterable<T>} source Source async-enumerable sequence.
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| 7 | * @returns {(S | undefined)} The first element in the iterable sequence, or undefined if no such element exists.
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| 8 | */
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| 9 | export function first(source, options) {
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| 10 | const { ['thisArg']: thisArg, ['predicate']: predicate = () => true } = options || {};
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| 11 | let i = 0;
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| 12 | for (const item of source) {
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| 13 | if (predicate.call(thisArg, item, i++)) {
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| 14 | return item;
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| 15 | }
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| 16 | }
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| 17 | return undefined;
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| 18 | }
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| 19 |
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| 20 | //# sourceMappingURL=first.mjs.map
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