20 lines
370 B
JavaScript
20 lines
370 B
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
const internals = {};
|
||
|
|
|
||
|
|
|
||
|
|
module.exports = internals.flatten = function (array, target) {
|
||
|
|
|
||
|
|
const result = target || [];
|
||
|
|
|
||
|
|
for (let i = 0; i < array.length; ++i) {
|
||
|
|
if (Array.isArray(array[i])) {
|
||
|
|
internals.flatten(array[i], result);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
result.push(array[i]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return result;
|
||
|
|
};
|