@grandom/shuffle/RandomShuffle/utils/index.js

A configurable, flexible, seedable, and overall great random shuffler.

'use strict';

const getRest = (_, arg2, arg3) => {
    let count = -1;
    let options = {};
    if (typeof arg2 !== 'undefined') {
        if (typeof arg2 === 'number') {
            count = arg2;
            // NaN check and bound checks
            // eslint-disable-next-line no-self-compare
            if (count !== count || count < 1 || count > Number.MAX_SAFE_INTEGER) {
                throw new RangeError(`Count must be >= 1 and <= Number.MAX_SAFE_INTEGER, got: ${count}.`);
            }
        }
        else if (typeof arg2 === 'object' && arg2 !== null) {
            options = arg2;
        }
        else {
            throw new TypeError('2nd argument must be a number (count), or an object (options), ' +
                // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
                `got: ${arg2} (typeof === '${typeof arg2}').`);
        }
        if (typeof arg3 !== 'undefined') {
            if (typeof arg3 === 'object' && arg3 !== null) {
                options = arg3;
            }
            else {
                throw new TypeError('3rd argument must be an object (options), ' +
                    // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
                    `got: ${arg3} (typeof === '${typeof arg3}').`);
            }
        }
    }
    return {
        count,
        options
    };
};

exports.getRest = getRest;
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