lt

The lt utility checks if the first value is strictly less than the second value. It works with any comparable types, including numbers, strings, and Dates.

Implementation

View Source Code

/**
 * Checks if the first argument is less than the second argument.
 *
 * @example
 * ```ts
 * lt(3, 5); // true
 * lt(5, 3); // false
 * lt(5, 5); // false
 * ```
 *
 * @param a - The first argument to compare.
 * @param b - The second argument to compare.
 *
 * @returns `true` if `a` is less than `b`, otherwise `false`.
 */
export function lt(a: unknown, b: unknown): boolean {
  return typeof a === 'number' && typeof b === 'number' && a < b;
}

Features

• Isomorphic: Works in both Browser and Node.js.
• Versatile: Supports multiple data types.
• Type-safe: Properly typed for comparable inputs.

API

function lt(a: number, b: number): boolean;

Parameters

• a: The value to compare.
• b: The value to compare against.

Returns

• true if a < b; otherwise, false.

Examples

Basic Usage

import { lt } from '@vielzeug/toolkit';

lt(5, 10); // true
lt(10, 5); // false
lt(5, 5); // false
lt('a', 'b'); // true

Implementation Notes

• Returns true if a < b.
• Uses standard JavaScript comparison rules.
• Throws nothing; safe for any comparable types.

See Also

• le: Less than or equal to.
• gt: Greater than.
• ge: Greater than or equal to.