Attempt to add prettier_plugins

action.yml

@@ -35,6 +35,10 @@ inputs:
     description: Only prettify files changed in the last commit, can't be used with file_pattern!
     required: false
     default: false
+  prettier_plugins:
+    description: Install Prettier plugins, i.e. `@prettier/prettier-php @prettier/some-other-plugin`
+    required: false
+    default: false
 
 runs:
   using: 'docker'

entrypoint.sh

@@ -30,6 +30,9 @@ echo "Installing prettier..."
 case $INPUT_PRETTIER_VERSION in
     false)
         npm install --silent --global prettier
+        if $INPUT_PRETTIER_PLUGINS; then
+            npm install --silent --global $INPUT_PRETTIER_PLUGINS
+        fi
         ;;
     *)
         npm install --silent --global prettier@$INPUT_PRETTIER_VERSION