From 7b95a1d700217c0d41f892cab42f4c69e98bd3de Mon Sep 17 00:00:00 2001
From: Hugo Alliaume <kocal@live.fr>
Date: Thu, 3 Dec 2020 13:05:51 +0100
Subject: [PATCH] fix(stimulus): don't require an optional dependency if it's
 not used

---
 lib/features.js                | 8 ++++++++
 lib/plugins/stimulus-bridge.js | 6 +++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/lib/features.js b/lib/features.js
index de02f13a..6ffbb172 100644
--- a/lib/features.js
+++ b/lib/features.js
@@ -147,6 +147,14 @@ const features = {
             { name: 'handlebars-loader', enforce_version: true }
         ],
         description: 'load Handlebars files'
+    },
+    stimulus: {
+        method: 'enableStimulusBridge()',
+        packages: [
+            { name: '@symfony/stimulus-bridge' },
+            { name: 'stimulus' }
+        ],
+        description: 'enable Stimulus bridge'
     }
 };
 
diff --git a/lib/plugins/stimulus-bridge.js b/lib/plugins/stimulus-bridge.js
index 9800625a..3eeaa5fe 100644
--- a/lib/plugins/stimulus-bridge.js
+++ b/lib/plugins/stimulus-bridge.js
@@ -10,7 +10,7 @@
 'use strict';
 
 const WebpackConfig = require('../WebpackConfig'); //eslint-disable-line no-unused-vars
-const createPlugin = require('@symfony/stimulus-bridge/webpack-helper');
+const loaderFeatures = require('../features');
 const fs = require('fs');
 
 /**
@@ -20,6 +20,10 @@ const fs = require('fs');
  */
 module.exports = function(plugins, webpackConfig) {
     if (webpackConfig.useStimulusBridge) {
+        loaderFeatures.ensurePackagesExistAndAreCorrectVersion('stimulus');
+
+        const createPlugin = require('@symfony/stimulus-bridge/webpack-helper');
+
         plugins.push({
             plugin: createPlugin(JSON.parse(fs.readFileSync(webpackConfig.stimulusOptions.controllersJsonPath))),
         });