Simple token generator with bin2hex in node.js

getSimpleToken.js

const crypto = require('crypto');

/**
* Convert binary to hex. 
* @param {Number} bytesLength 
*/
function bin2hex( bytesLength ){
	let bin = crypto.randomBytes( bytesLength );
	return new Buffer( bin ).toString( "hex" );
}

/**
* Generate simple token.
* @param {String} tokenPrefix default value is ''
* @param {Number} bytesLength default value is 10
*/
function getSimpleToken( tokenPrefix = '', bytesLength = 10 ){
	return tokenPrefix + bin2hex( bytesLength );
}

getSimpleToken('token-');
// Example result:  token-a56083f85c6306854088