@kikiutils/node/dist/random.cjs

A modular utility library for Node.js offering secure hashing, flexible logging, datetime manipulation, and more.

'use strict';

/**
 * Generates a value using a provided generator function, where the input length
 * is determined by two levels of nested random ranges:
 *
 * 1. First, a random number (`innerMin`) is chosen between `minMin` and `minMax`.
 * 2. Then, a final length is chosen between `Math.max(innerMin, maxMin)` and `maxMax`.
 * 3. The generator is called with the final length and its result is returned.
 *
 * This function supports any return type by using a generic type parameter.
 *
 * @typeParam T - The return type of the generator function.
 *
 * @param generator - A function that accepts a length and returns a value of type T.
 * @param minMin - Lower bound of the first random range.
 * @param minMax - Upper bound of the first random range.
 * @param maxMin - Lower bound of the second random range.
 * @param maxMax - Upper bound of the second random range.
 * @returns The result of the generator function using the computed final length.
 */
function generateWithNestedRandomLength(generator, minMin, minMax, maxMin, maxMax) {
    const random = (min, max) => Math.floor(Math.random() * (max - min + 1)) + min;
    const innerMin = random(minMin, minMax);
    const finalLength = random(Math.max(innerMin, maxMin), maxMax);
    return generator(finalLength);
}

exports.generateWithNestedRandomLength = generateWithNestedRandomLength;
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