You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
28 lines
597 B
28 lines
597 B
/** |
|
* Copyright 2015-present Facebook. All Rights Reserved. |
|
* |
|
* @providesModule compactArray |
|
* @typechecks |
|
* @flow |
|
*/ |
|
|
|
'use strict'; |
|
|
|
/** |
|
* Returns a new Array containing all the element of the source array except |
|
* `null` and `undefined` ones. This brings the benefit of strong typing over |
|
* `Array.prototype.filter`. |
|
*/ |
|
|
|
function compactArray<T>(array: Array<T | null | void>): Array<T> { |
|
var result = []; |
|
for (var i = 0; i < array.length; ++i) { |
|
var elem = array[i]; |
|
if (elem != null) { |
|
result.push(elem); |
|
} |
|
} |
|
return result; |
|
} |
|
|
|
module.exports = compactArray; |