27 lines
1.1 KiB
TypeScript
27 lines
1.1 KiB
TypeScript
/**
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* Splits an array into smaller arrays of a specified length.
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*
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* This function takes an input array and divides it into multiple smaller arrays,
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* each of a specified length. If the input array cannot be evenly divided,
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* the final sub-array will contain the remaining elements.
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*
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* @template T The type of elements in the array.
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* @param {T[]} arr - The array to be chunked into smaller arrays.
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* @param {number} size - The size of each smaller array. Must be a positive integer.
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* @returns {T[][]} A two-dimensional array where each sub-array has a maximum length of `size`.
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* @throws {Error} Throws an error if `size` is not a positive integer.
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*
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* @example
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* // Splits an array of numbers into sub-arrays of length 2
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* chunk([1, 2, 3, 4, 5], 2);
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* // Returns: [[1, 2], [3, 4], [5]]
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*
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* @example
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* // Splits an array of strings into sub-arrays of length 3
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* chunk(['a', 'b', 'c', 'd', 'e', 'f', 'g'], 3);
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* // Returns: [['a', 'b', 'c'], ['d', 'e', 'f'], ['g']]
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*/
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declare function chunk<T>(arr: readonly T[], size: number): T[][];
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export { chunk };
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