Remove grunt from plugin scaffolding

features/scaffold.feature

@@ -209,8 +209,7 @@ Feature: WordPress code scaffolding
     And the {PLUGIN_DIR}/hello-world/.editorconfig file should exist
     And the {PLUGIN_DIR}/hello-world/hello-world.php file should exist
     And the {PLUGIN_DIR}/hello-world/readme.txt file should exist
-    And the {PLUGIN_DIR}/hello-world/package.json file should exist
-    And the {PLUGIN_DIR}/hello-world/Gruntfile.js file should exist
+    And the {PLUGIN_DIR}/hello-world/composer.json file should exist
     And the {PLUGIN_DIR}/hello-world/.gitignore file should contain:
       """
       .DS_Store
@@ -219,6 +218,7 @@ Feature: WordPress code scaffolding
       Thumbs.db
       wp-cli.local.yml
       node_modules/
+      vendor/
       """
     And the {PLUGIN_DIR}/hello-world/.distignore file should contain:
       """
@@ -254,14 +254,10 @@ Feature: WordPress code scaffolding
       Tested up to: {WP_VERSION}
       """
 
-    When I run `cat {PLUGIN_DIR}/hello-world/package.json`
-    Then STDOUT should be JSON containing:
-      """
-      {"author":"Hello World Author"}
-      """
-    And STDOUT should be JSON containing:
+    When I run `cat {PLUGIN_DIR}/hello-world/composer.json`
+    Then STDOUT should contain:
       """
-      {"version":"0.1.0"}
+      wp-cli/i18n-command
       """
 
   Scenario: Scaffold a plugin by prompting

src/Scaffold_Command.php

@@ -670,8 +670,7 @@ public function plugin( $args, $assoc_args ) {
 		$files_to_create = [
 			$plugin_path                  => self::mustache_render( 'plugin.mustache', $data ),
 			$plugin_readme_path           => self::mustache_render( 'plugin-readme.mustache', $data ),
-			"{$plugin_dir}/package.json"  => self::mustache_render( 'plugin-packages.mustache', $data ),
-			"{$plugin_dir}/Gruntfile.js"  => self::mustache_render( 'plugin-gruntfile.mustache', $data ),
+			"{$plugin_dir}/composer.json" => self::mustache_render( 'plugin-composer.mustache', $data ),
 			"{$plugin_dir}/.gitignore"    => self::mustache_render( 'plugin-gitignore.mustache', $data ),
 			"{$plugin_dir}/.distignore"   => self::mustache_render( 'plugin-distignore.mustache', $data ),
 			"{$plugin_dir}/.editorconfig" => file_get_contents( self::get_template_path( '.editorconfig' ) ),

templates/plugin-composer.mustache

@@ -0,0 +1,8 @@
+{
+  "require-dev": {
+    "wp-cli/i18n-command": "^2"
+  },
+  "scripts": {
+    "makepot": "./vendor/bin/wp i18n make-pot ."
+  }
+}

templates/plugin-gitignore.mustache

@@ -4,6 +4,7 @@ phpunit.xml
 Thumbs.db
 wp-cli.local.yml
 node_modules/
+vendor/
 *.sql
 *.tar.gz
 *.zip