From bd7114d00fca021e3d1cf94c5568b214d50e73d0 Mon Sep 17 00:00:00 2001
From: Konstantin Raev <bestander@fb.com>
Date: Wed, 18 May 2016 08:30:51 -0700
Subject: [PATCH] Added timeouts to fs operations in packager

Reviewed By: davidaurelio

Differential Revision: D3316555

fbshipit-source-id: edf6e08569b6cb434219f4460367eec0827530fd
---
 react-packager/src/AssetServer/index.js | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/react-packager/src/AssetServer/index.js b/react-packager/src/AssetServer/index.js
index 2b25218c..1a7bb75e 100644
--- a/react-packager/src/AssetServer/index.js
+++ b/react-packager/src/AssetServer/index.js
@@ -16,9 +16,21 @@ const fs = require('fs');
 const getAssetDataFromName = require('node-haste').getAssetDataFromName;
 const path = require('path');
 
-const stat = Promise.denodeify(fs.stat);
-const readDir = Promise.denodeify(fs.readdir);
-const readFile = Promise.denodeify(fs.readFile);
+const createTimeoutPromise = (timeout) => new Promise((resolve, reject) => {
+  setTimeout(reject, timeout, 'fs operation timeout');
+});
+function timeoutableDenodeify(fsFunc, timeout) {
+  return function raceWrapper(...args) {
+    return new Promise.race([
+      createTimeoutPromise(timeout),
+      Promise.denodeify(fsFunc).apply(this, args)
+    ]);
+  };
+}
+
+const stat = timeoutableDenodeify(fs.stat, 5000);
+const readDir = timeoutableDenodeify(fs.readdir, 5000);
+const readFile = timeoutableDenodeify(fs.readFile, 5000);
 
 const validateOpts = declareOpts({
   projectRoots: {