notes/node_modules/arr-flatten/index.js

27 lines
455 B
JavaScript
Executable File

/*!
* arr-flatten <https://github.com/jonschlinkert/arr-flatten>
*
* Copyright (c) 2014-2015, Jon Schlinkert.
* Licensed under the MIT License.
*/
'use strict';
module.exports = function flatten(arr) {
return flat(arr, []);
};
function flat(arr, res) {
var len = arr.length;
var i = -1;
while (len--) {
var cur = arr[++i];
if (Array.isArray(cur)) {
flat(cur, res);
} else {
res.push(cur);
}
}
return res;
}