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407 BJavaScriptView Raw
1'use strict';
2var alphabet = require('./alphabet');
3
4function isShortId(id) {
5 if (!id || typeof id !== 'string' || id.length < 6 ) {
6 return false;
7 }
8
9 var characters = alphabet.characters();
10 var len = id.length;
11 for(var i = 0; i < len;i++) {
12 if (characters.indexOf(id[i]) === -1) {
13 return false;
14 }
15 }
16 return true;
17}
18
19module.exports = isShortId;