From d2817f48a1146b469d544ee78015251551d358c3 Mon Sep 17 00:00:00 2001
From: Ruben Bridgewater <ruben@bridgewater.de>
Date: Sun, 25 Feb 2018 21:40:17 -0800
Subject: [PATCH] Use sync fs.mkdir

Summary:
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This ensures that errors are actually noticed in case it is not
possible to create the directory. This will also throw an error when used with the upcoming Node.js 10.x because there is no callback.

Refs: https://github.com/nodejs/node/pull/18668

[CLI][MINOR][local-cli/library/library.js] - Use sync fs.mkdir for error handling
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  CATEGORY
[----------]        TYPE
[ CLI      ]   [-------------]      LOCATION
[ DOCS     ]   [ BREAKING    ]   [-------------]
[ GENERAL  ]   [ BUGFIX      ]   [-{Component}-]
[ INTERNAL ]   [ ENHANCEMENT ]   [ {File}      ]
[ IOS      ]   [ FEATURE     ]   [ {Directory} ]   |-----------|
[ ANDROID  ]   [ MINOR       ]   [ {Framework} ] - | {Message} |
[----------]   [-------------]   [-------------]   |-----------|

[CATEGORY] [TYPE] [LOCATION] - MESSAGE

 EXAMPLES:

 [IOS] [BREAKING] [FlatList] - Change a thing that breaks other things
 [ANDROID] [BUGFIX] [TextInput] - Did a thing to TextInput
 [CLI] [FEATURE] [local-cli/info/info.js] - CLI easier to do things with
 [DOCS] [BUGFIX] [GettingStarted.md] - Accidentally a thing/word
 [GENERAL] [ENHANCEMENT] [Yoga] - Added new yoga thing/position
 [INTERNAL] [FEATURE] [./scripts] - Added thing to script that nobody will see
-->
Closes https://github.com/facebook/react-native/pull/18084

Differential Revision: D7083122

Pulled By: shergin

fbshipit-source-id: a13b64e57860e1ab2c15e0c008211dc0dca3b2d2
---
 local-cli/library/library.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/local-cli/library/library.js b/local-cli/library/library.js
index e8246ff7a106fd..14afd6a4059b7f 100644
--- a/local-cli/library/library.js
+++ b/local-cli/library/library.js
@@ -29,7 +29,7 @@ function library(argv, config, args) {
   const source = path.resolve('node_modules', 'react-native', 'Libraries', 'Sample');
 
   if (!fs.existsSync(libraries)) {
-    fs.mkdir(libraries);
+    fs.mkdirSync(libraries);
   }
 
   if (fs.existsSync(libraryDest)) {