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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.export default function randomInt(max: number): number;export default function randomInt(min: number, max: number): number;export default function randomInt( max: number, cb: (err: Error | null, n?: number) => void,): void;export default function randomInt( min: number, max: number, cb: (err: Error | null, n?: number) => void,): void;
export default function randomInt( max: number, min?: ((err: Error | null, n?: number) => void) | number, cb?: (err: Error | null, n?: number) => void,): number | void { if (typeof max === "number" && typeof min === "number") { [max, min] = [min, max]; } if (min === undefined) min = 0; else if (typeof min === "function") { cb = min; min = 0; }
if ( !Number.isSafeInteger(min) || typeof max === "number" && !Number.isSafeInteger(max) ) { throw new Error("max or min is not a Safe Number"); }
if (max - min > Math.pow(2, 48)) { throw new RangeError("max - min should be less than 2^48!"); }
if (min >= max) { throw new Error("Min is bigger than Max!"); }
const randomBuffer = new Uint32Array(1);
globalThis.crypto.getRandomValues(randomBuffer);
const randomNumber = randomBuffer[0] / (0xffffffff + 1);
min = Math.ceil(min); max = Math.floor(max);
const result = Math.floor(randomNumber * (max - min)) + min;
if (cb) { cb(null, result); return; }
return result;}