From 6570fed175e61328341d1a7c0d8a7a7077b496ab Mon Sep 17 00:00:00 2001
From: David Taylor <david@taylorhq.com>
Date: Tue, 30 Aug 2022 16:27:14 +0100
Subject: [PATCH] DEV: Fix Ember version lookup (#18136)

The source-of-truth for our ember version is now the installed node_module. The `ember_source` gem carries an old version of Ember and so the constant is no longer useful. We'll be dropping the gem soon.
---
 app/models/theme.rb | 2 +-
 lib/ember_cli.rb    | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/app/models/theme.rb b/app/models/theme.rb
index b89c7ca71a3..3c033055d37 100644
--- a/app/models/theme.rb
+++ b/app/models/theme.rb
@@ -157,7 +157,7 @@ class Theme < ActiveRecord::Base
     get_set_cache "compiler_version" do
       dependencies = [
         BASE_COMPILER_VERSION,
-        Ember::VERSION,
+        EmberCli.ember_version,
         GlobalSetting.cdn_url,
         GlobalSetting.s3_cdn_url,
         GlobalSetting.s3_endpoint,
diff --git a/lib/ember_cli.rb b/lib/ember_cli.rb
index de450d58ee4..181dd72c791 100644
--- a/lib/ember_cli.rb
+++ b/lib/ember_cli.rb
@@ -49,4 +49,11 @@ module EmberCli
   def self.is_ember_cli_asset?(name)
     assets.include?(name) || name.start_with?("chunk.")
   end
+
+  def self.ember_version
+    @version ||= begin
+      ember_source_package_raw = File.read("#{Rails.root}/app/assets/javascripts/node_modules/ember-source/package.json")
+      JSON.parse(ember_source_package_raw)["version"]
+    end
+  end
 end