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Add flow strict typing to isEmpty 

Summary: Add flow strict typing to the isEmpty lib

Reviewed By: wcheng86

Differential Revision: D9200520

fbshipit-source-id: ac5717216199166e7485abcdfcba03ab2bbe90d2
This commit is contained in:
Joshua Alvarado 2018-08-09 10:46:04 -07:00 committed by Facebook Github Bot
parent f536a0c268
commit 8ee9002c76
1 changed files with 2 additions and 1 deletions
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3
Libraries/vendor/core/isEmpty.js vendored
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@ -4,6 +4,7 @@
* This source code is licensed under the MIT license found in the * This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree. * LICENSE file in the root directory of this source tree.
* *
* @flow strict
* @format * @format
*/ */
@ -12,7 +13,7 @@
/** /**
* Mimics empty from PHP. * Mimics empty from PHP.
*/ */
function isEmpty(obj) { function isEmpty(obj: mixed): boolean {
if (Array.isArray(obj)) { if (Array.isArray(obj)) {
return obj.length === 0; return obj.length === 0;
} else if (typeof obj === 'object') { } else if (typeof obj === 'object') {