toLength (Lodash Compatibility)

Converts a value to a valid array index.

const length = toLength(value);

Reference

toLength(value)

Converts a value to a valid array index. Limits to an integer between 0 and 2^32-1.

import { toLength } from 'es-toolkit/compat';

// Convert decimal to integer
toLength(3.2);
// Returns: 3

// Negative numbers become 0
toLength(-1);
// Returns: 0

// Convert string numbers
toLength('42');
// Returns: 42

// Very large numbers are limited to the maximum value
toLength(Number.MAX_VALUE);
// Returns: 4294967295

null or undefined are converted to 0.

import { toLength } from 'es-toolkit/compat';

toLength(null);
// Returns: 0

toLength(undefined);
// Returns: 0

Parameters

• value (unknown): The value to convert.

Returns

(number): Returns a valid array index between 0 and 2^32-1.