From 0f7250d6da92361331f3c696f4ca146cc2bd95cc Mon Sep 17 00:00:00 2001
From: Tobias Bieniek <tobias@bieniek.cloud>
Date: Wed, 13 Apr 2022 11:22:11 +0200
Subject: [PATCH 1/2] Add support for running the HTMLBars AST plugin on
 multiple files in parallel

---
 index.js | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/index.js b/index.js
index 68727bcc..ba16ec9e 100644
--- a/index.js
+++ b/index.js
@@ -11,13 +11,15 @@ module.exports = {
     let options = app.options || {};
     let config = options['ember-hbs-minifier'] || {};
 
-    let HbsMinifierPlugin = require('./hbs-minifier-plugin').createRegistryPlugin(config);
-    registry.add('htmlbars-ast-plugin', {
-      name: 'hbs-minifier-plugin',
-      plugin: HbsMinifierPlugin,
-      baseDir() { return __dirname; },
-      cacheKey() { return cacheKeyForConfig(config); }
-    });
+    let pluginObj = this._buildPlugin(config);
+
+    pluginObj.parallelBabel = {
+      requireFile: __filename,
+      buildUsing: '_buildPlugin',
+      params: config,
+    };
+
+    registry.add('htmlbars-ast-plugin', pluginObj);
   },
 
   included(app) {
@@ -27,7 +29,18 @@ module.exports = {
       Refer PR: https://github.com/ember-cli/ember-cli/pull/7059
     */
     this._setupPreprocessorRegistry(app);
-  }
+  },
+
+  _buildPlugin(config) {
+    let HbsMinifierPlugin = require('./hbs-minifier-plugin').createRegistryPlugin(config);
+
+    return {
+      name: 'hbs-minifier-plugin',
+      plugin: HbsMinifierPlugin,
+      baseDir() { return __dirname; },
+      cacheKey() { return cacheKeyForConfig(config); }
+    };
+  },
 };
 
 function cacheKeyForConfig(config) {

From 2f034415e3fb0eaf1f618b3b6cd4f99da0ebf925 Mon Sep 17 00:00:00 2001
From: Tobias Bieniek <tobias@bieniek.cloud>
Date: Wed, 13 Apr 2022 11:22:26 +0200
Subject: [PATCH 2/2] Enable `throwUnlessParallelizable` flag to prevent
 regressions

---
 ember-cli-build.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ember-cli-build.js b/ember-cli-build.js
index 83787db4..aebd89c3 100644
--- a/ember-cli-build.js
+++ b/ember-cli-build.js
@@ -13,7 +13,11 @@ module.exports = function(defaults) {
         classes: ['description'],
         components: ['foo-bar', 'no-minify']
       }
-    }
+    },
+
+    'ember-cli-babel': {
+      throwUnlessParallelizable: true,
+    },
   });
 
   /*