Merge pull request #34 from sebastianks/feature-add-plugins

Feature add 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: ''
 
 runs:
   using: 'docker'

entrypoint.sh

@@ -36,6 +36,19 @@ case $INPUT_PRETTIER_VERSION in
         ;;
 esac
 
+# Install plugins
+if [ -n "$INPUT_PRETTIER_PLUGINS" ]; then
+    for plugin in $INPUT_PRETTIER_PLUGINS; do
+        echo "Checking plugin: $plugin"
+        # check regex against @prettier/xyz
+        if ! echo "$plugin" | grep -Eq '(@prettier\/)+(plugin-[a-z\-]+)'; then
+            echo "$plugin does not seem to be a valid @prettier/plugin-x plugin. Exiting."
+            exit 1
+        fi
+    done
+    npm install --silent --global $INPUT_PRETTIER_PLUGINS
+fi
+
 echo "Prettifing files..."
 echo "Files:"
 prettier $INPUT_PRETTIER_OPTIONS || echo "Problem running prettier with $INPUT_PRETTIER_OPTIONS"