/*! | |
* array-unique <https://github.com/jonschlinkert/array-unique> | |
* | |
* Copyright (c) 2014-2015, Jon Schlinkert. | |
* Licensed under the MIT License. | |
*/ | |
'use strict'; | |
module.exports = function unique(arr) { | |
if (!Array.isArray(arr)) { | |
throw new TypeError('array-unique expects an array.'); | |
} | |
var len = arr.length; | |
var i = -1; | |
while (i++ < len) { | |
var j = i + 1; | |
for (; j < arr.length; ++j) { | |
if (arr[i] === arr[j]) { | |
arr.splice(j--, 1); | |
} | |
} | |
} | |
return arr; | |
}; |