31 lines
550 B
JavaScript
Executable File
31 lines
550 B
JavaScript
Executable File
/*!
|
|
* arr-union <https://github.com/jonschlinkert/arr-union>
|
|
*
|
|
* Copyright (c) 2014-2015, Jon Schlinkert.
|
|
* Licensed under the MIT License.
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
module.exports = function union(arr) {
|
|
var len = arguments.length;
|
|
var res = [], i = 0;
|
|
|
|
while (len--) {
|
|
var arg = arrayify(arguments[i++]);
|
|
|
|
for (var j = 0; j < arg.length; j++) {
|
|
var ele = arg[j];
|
|
|
|
if (res.indexOf(ele) === -1) {
|
|
res.push(ele);
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
};
|
|
|
|
function arrayify(val) {
|
|
return Array.isArray(val) ? val : [val];
|
|
}
|