From 423fee620ab5e6e5fa8a31a8efcb13bce68c3314 Mon Sep 17 00:00:00 2001
From: Matthieu Lemoine <8517072+MatthieuLemoine@users.noreply.github.com>
Date: Wed, 20 Mar 2019 18:23:40 +0100
Subject: [PATCH] fix: Start Metro packager from $PROJECT_DIR

---
 scripts/packager.sh | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/scripts/packager.sh b/scripts/packager.sh
index 6cab21b669eeb9..e5bb1e903f0282 100755
--- a/scripts/packager.sh
+++ b/scripts/packager.sh
@@ -4,9 +4,20 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
+# scripts directory
 THIS_DIR=$(cd -P "$(dirname "$(readlink "${BASH_SOURCE[0]}" || echo "${BASH_SOURCE[0]}")")" && pwd)
+REACT_NATIVE_ROOT="$THIS_DIR/.."
+# Application root directory - General use case: react-native is a dependency
+PROJECT_ROOT="$THIS_DIR/../../.."
 
 # shellcheck source=/dev/null
 source "${THIS_DIR}/.packager.env"
-cd "$THIS_DIR/.." || exit
-node "./cli.js" start "$@"
+
+# When running react-native tests, react-native doesn't live in node_modules but in the PROJECT_ROOT
+if [ ! -d "$PROJECT_ROOT/node_modules/react-native" ];
+then
+  PROJECT_ROOT="$THIS_DIR/.."
+fi
+# Start packager from PROJECT_ROOT
+cd "$PROJECT_ROOT" || exit
+node "$REACT_NATIVE_ROOT/cli.js" start "$@"