From 6c15c16a88c24a8f2c8e04bd23e34ea367f35608 Mon Sep 17 00:00:00 2001
From: Mitsuo Heijo <mitsuo.heijo@gmail.com>
Date: Fri, 3 Jan 2020 13:49:23 +0900
Subject: fix: support multiple npm packages for one language server

---
 installer/npm_install.sh | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/installer/npm_install.sh b/installer/npm_install.sh
index 198666c..84073da 100755
--- a/installer/npm_install.sh
+++ b/installer/npm_install.sh
@@ -5,13 +5,14 @@
 
 set -e
 
-npm init -y
-
-# Avoid the problem of not being able to install the same package as name in package.json.
-# Create an empty package.json.
-cat <<EOF >package.json
-{"name": ""}
-EOF
+# Supporting multiple npm packages(e.g. typescript-language-server uses typescript-language-server and tsserver).
+# If package.json exists, skip calling npm init.
+if [ ! -f package.json ]; then
+  # Avoid the problem of not being able to install the same package as name in package.json.
+  # Create an empty package.json.
+  npm init -y
+  echo '{"name": ""}' >package.json
+fi
 
 npm install "$2"
 ln -s "./node_modules/.bin/$1" .
-- 
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