You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
562 B
23 lines
562 B
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Ivan Kopeykin @vankop
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const A_CODE = "a".charCodeAt(0);
|
|
|
|
/**
|
|
* @param {string} hash hash
|
|
* @param {number} hashLength hash length
|
|
* @returns {string} returns hash that has at least one non numeric char
|
|
*/
|
|
module.exports = (hash, hashLength) => {
|
|
if (hashLength < 1) return "";
|
|
const slice = hash.slice(0, hashLength);
|
|
if (/[^\d]/.test(slice)) return slice;
|
|
return `${String.fromCharCode(
|
|
A_CODE + (Number.parseInt(hash[0], 10) % 6)
|
|
)}${slice.slice(1)}`;
|
|
};
|