2 files changed, 13 insertions, 9 deletions
diff --git a/installer/npm_install.cmd b/installer/npm_install.cmd
index 5f1d9bb..8521869 100644
--- a/installer/npm_install.cmd
+++ b/installer/npm_install.cmd
@@ -3,9 +3,12 @@
 if "x%1" equ "x" goto :EOF
 if "x%2" equ "x" goto :EOF
 
-call npm init -y
+if not exist package.json (
+	call npm init -y
+
+	echo {"name":""}>package.json
+)
 
-echo {"name":""}>package.json
 
 call npm install "%2"
 
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" .