From ba439f7534614b4c9cf2cb826b3e3987e5c97abf Mon Sep 17 00:00:00 2001
From: Julian Rubisch <julian@julianrubisch.at>
Date: Tue, 2 Jan 2024 18:34:21 +0100
Subject: [PATCH] feat: Add terser for js compression in production (#1249)

---
 Gemfile                           | 2 ++
 Gemfile.lock                      | 4 ++++
 config/environments/production.rb | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/Gemfile b/Gemfile
index 9a5bee0f0..90c40add2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -194,6 +194,8 @@ group :production do
 
   # Use S3 for Active Storage by default.
   gem "aws-sdk-s3", require: false
+
+  gem "terser"
 end
 
 # Use Ruby hashes as readonly datasources for ActiveRecord-like models.
diff --git a/Gemfile.lock b/Gemfile.lock
index 1e00fe0cb..ac76a267e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -296,6 +296,7 @@ GEM
     erubi (1.12.0)
     erubis (2.7.0)
     event_stream_parser (1.0.0)
+    execjs (2.9.1)
     extended_email_reply_parser (0.5.1)
       activesupport
       charlock_holmes
@@ -644,6 +645,8 @@ GEM
       railties (>= 6.0.0)
     stringio (3.1.0)
     stripe (10.2.0)
+    terser (1.1.20)
+      execjs (>= 0.3.0, < 3)
     thor (1.3.0)
     thread-local (1.1.0)
     timeout (0.4.1)
@@ -755,6 +758,7 @@ DEPENDENCIES
   sprockets-rails
   standard
   stimulus-rails
+  terser
   turbo-rails
   tzinfo-data
   web-console
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 6e9c3a052..01fb28e28 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -32,6 +32,9 @@
   # Compress CSS using a preprocessor.
   # config.assets.css_compressor = :sass
 
+  # Compress JavaScript
+  config.assets.js_compressor = :terser
+
   # Do not fallback to assets pipeline if a precompiled asset is missed.
   config.assets.compile = false