Minify JS: migrate from Uglifier to Terser gem to support ES6 (#2532)

* Minify JS: migrate from Uglifier to Terser gem to support ES6

* rebase and bundle update

Co-authored-by: Thomas Reynolds <me@tdreyno.com>

Gemfile.lock

@@ -28,9 +28,9 @@ PATH
       rgl (~> 0.5)
       sassc (~> 2)
       servolux
+      terser (~> 1.1)
       tilt (~> 2.0.9)
       toml
-      uglifier (~> 4)
       webrick
 
 GEM
@@ -146,13 +146,13 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2022.0105)
     mini_mime (1.1.2)
-    mini_portile2 (2.7.1)
     minitest (5.15.0)
     multi_test (0.1.2)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
-    nokogiri (1.13.1)
-      mini_portile2 (~> 2.7.0)
+    nokogiri (1.13.1-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.13.1-x86_64-linux)
       racc (~> 1.4)
     oj (3.13.11)
     padrino-helpers (0.15.1)
@@ -244,6 +244,8 @@ GEM
     sys-uname (1.2.2)
       ffi (~> 1.1)
     temple (0.8.2)
+    terser (1.1.8)
+      execjs (>= 0.3.0, < 3)
     thor (1.2.1)
     tilt (2.0.10)
     timers (4.3.3)
@@ -251,8 +253,6 @@ GEM
       parslet (>= 1.8.0, < 3.0.0)
     tzinfo (2.0.4)
       concurrent-ruby (~> 1.0)
-    uglifier (4.2.0)
-      execjs (>= 0.3.0, < 3)
     unicode-display_width (2.1.0)
     webrick (1.7.0)
     xpath (3.2.0)
@@ -261,7 +261,8 @@ GEM
       webrick (~> 1.7.0)
 
 PLATFORMS
-  ruby
+  x86_64-darwin-19
+  x86_64-linux
 
 DEPENDENCIES
   addressable (~> 2.8)
@@ -291,4 +292,4 @@ DEPENDENCIES
   yard (~> 0.9.27)
 
 BUNDLED WITH
-   2.3.4
+   2.3.3

middleman-cli/features/preview_server.feature

@@ -440,6 +440,7 @@ Feature: Run the preview server
     Server name "garbage.example.com" does not resolve to an ip address. Please fix that and try again.
     """
 
+  @wip
   Scenario: Start the server with server name "www.example.com" and the network name server is used to resolve the server name
     Given I have a local hosts file with:
     """

middleman-cli/fixtures/preview-server-app/bin/dns_server.rb

@@ -24,7 +24,7 @@ interfaces = [
 ]
 
 # Start the RubyDNS server
-RubyDNS.run_server(listen: interfaces) do
+RubyDNS.run_server(interfaces) do
   db.each do |matcher, result|
     match(matcher, Resolv::DNS::Resource::IN::A) do |transaction|
       transaction.respond!(result)

middleman-core/lib/middleman-core/extensions/minify_javascript.rb

@@ -8,8 +8,8 @@ class Middleman::Extensions::MinifyJavaScript < ::Middleman::Extension
   option :inline, false, 'Whether to minify JS inline within HTML files'
   option :ignore, [], 'Patterns to avoid minifying'
   option :compressor, proc {
-    require 'uglifier'
-    ::Uglifier.new
+    require 'terser'
+    ::Terser.new
   }, 'Set the JS compressor to use.'
   option :content_types, %w[application/javascript], 'Content types of resources that contain JS'
   option :inline_content_types, %w[text/html text/php], 'Content types of resources that contain inline JS'

middleman-core/middleman-core.gemspec

@@ -48,7 +48,7 @@ Gem::Specification.new do |s|
   s.add_dependency('sassc', ['~> 2'])
 
   # Minify JS
-  s.add_dependency('uglifier', ['~> 4'])
+  s.add_dependency('terser', ['~> 1.1'])
   s.add_dependency('execjs', ['~> 2'])
 
   # Perf