From cb2cfac0eb682ebcd106355e69e858866754fdc7 Mon Sep 17 00:00:00 2001
From: Jason Simmons <jason-simmons@users.noreply.github.com>
Date: Mon, 30 Oct 2017 17:04:30 -0700
Subject: [PATCH] Check for presence of an asset directory before accessing it
 (#12790)

Fixes https://github.com/flutter/flutter/issues/12460
---
 packages/flutter_tools/lib/src/asset.dart | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/flutter_tools/lib/src/asset.dart b/packages/flutter_tools/lib/src/asset.dart
index 9dc1d6daeeb..7374378fd53 100644
--- a/packages/flutter_tools/lib/src/asset.dart
+++ b/packages/flutter_tools/lib/src/asset.dart
@@ -446,6 +446,9 @@ class _AssetDirectoryCache {
     final String assetName = fs.path.basename(assetPath);
     final String directory = fs.path.dirname(assetPath);
 
+    if (!fs.directory(directory).existsSync())
+      return const <String>[];
+
     if (_cache[directory] == null) {
       final List<String> paths = <String>[];
       for (FileSystemEntity entity in fs.directory(directory).listSync(recursive: true)) {