aaac7fed
 liuqimichale
add
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/*!
* 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;
};
module.exports.immutable = function uniqueImmutable(arr) {
if (!Array.isArray(arr)) {
throw new TypeError('array-unique expects an array.');
}
var arrLen = arr.length;
var newArr = new Array(arrLen);
for (var i = 0; i < arrLen; i++) {
newArr[i] = arr[i];
}
return module.exports(newArr);
};
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