JavaScript version
randomStr.js
const randomStr = () => require('crypto').randomBytes(32).toString('hex');
TypeScript version
randomStr.ts
const randomStr = (): string => require('crypto').randomBytes(32).toString('hex');
const randomStr = () => require('crypto').randomBytes(32).toString('hex');
const randomStr = (): string => require('crypto').randomBytes(32).toString('hex');