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es-toolkit

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A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.

es-toolkit.dev

toss/es-toolkit

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type TupleIterator<T extends readonly unknown[], TResult> = (value: T[number], index: T extends `${infer N extends number}` ? N : never, collection: T) => TResult; export type { TupleIterator };