From 022487b93934b47f6f1ba3df0b5843c5dbc2792b Mon Sep 17 00:00:00 2001
From: Mark Taylor <138604938+mtaylorgds@users.noreply.github.com>
Date: Wed, 13 Dec 2023 11:45:42 +0000
Subject: [PATCH] Replace Uglifier with Terser for JS compression

Uglifier does not support ES6, and Terser is the recommended replacement
 in the Uglifier README (and is the default option for Rails apps these
 days).
---
 Gemfile                           | 2 +-
 Gemfile.lock                      | 6 +++---
 config/environments/production.rb | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Gemfile b/Gemfile
index 78254ffbc..122c916ec 100644
--- a/Gemfile
+++ b/Gemfile
@@ -39,7 +39,7 @@ gem "sprockets-rails"
 gem "state_machines"
 gem "state_machines-mongoid"
 gem "strip_attributes"
-gem "uglifier"
+gem "terser"
 gem "whenever", require: false
 
 group :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index 40a08eb06..6fcb83a6e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -739,14 +739,14 @@ GEM
     statsd-ruby (1.5.0)
     strip_attributes (1.13.0)
       activemodel (>= 3.0, < 8.0)
+    terser (1.1.20)
+      execjs (>= 0.3.0, < 3)
     thor (1.3.0)
     tilt (2.0.10)
     timecop (0.9.8)
     timeout (0.4.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    uglifier (4.2.0)
-      execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.8.2)
@@ -832,8 +832,8 @@ DEPENDENCIES
   state_machines-graphviz
   state_machines-mongoid
   strip_attributes
+  terser
   timecop
-  uglifier
   webmock
   whenever
 
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 30c442df7..b5c9a1cee 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -25,7 +25,7 @@
   config.public_file_server.enabled = ENV["RAILS_SERVE_STATIC_FILES"].present?
 
   # Compress JavaScripts and CSS.
-  config.assets.js_compressor = :uglifier
+  config.assets.js_compressor = :terser
 
   # Do not fallback to assets pipeline if a precompiled asset is missed.
   config.assets.compile = false