everyutil/number/randomUniqueRange.js

A comprehensive library of lightweight, reusable utility functions for JavaScript and TypeScript, designed to streamline common programming tasks such as string manipulation, array processing, date handling, and more.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.randomUniqueRange = void 0;
/**
 * Returns an array of random unique integers within the range [min, max].
 * @author @dailker
 * @param {number} count - The number of unique random numbers to generate.
 * @param {number} min - The minimum value (inclusive).
 * @param {number} max - The maximum value (inclusive).
 * @returns {number[]} An array of unique random numbers.
 */
function randomUniqueRange(count, min, max) {
    const pool = [];
    for (let i = min; i <= max; i++)
        pool.push(i);
    const result = [];
    while (result.length < count && pool.length) {
        const idx = Math.floor(Math.random() * pool.length);
        result.push(pool.splice(idx, 1)[0]);
    }
    return result;
}
exports.randomUniqueRange = randomUniqueRange;