14 lines
213 B
JavaScript
14 lines
213 B
JavaScript
|
"use strict";
|
||
|
|
|
||
|
|
var generated = Object.create(null), random = Math.random;
|
||
|
|
|
||
|
|
module.exports = function () {
|
||
|
|
var str;
|
||
|
|
do {
|
||
|
|
str = random()
|
||
|
|
.toString(36)
|
||
|
|
.slice(2);
|
||
|
|
} while (generated[str]);
|
||
|
|
return str;
|
||
|
|
};
|