Upgrade to Rails 6

.browserslistrc

@@ -0,0 +1 @@
+defaults

.gitignore

@@ -36,3 +36,10 @@ dump.sql
 dump.sql.gz
 
 config/secrets.yml
+
+/public/packs
+/public/packs-test
+/node_modules
+/yarn-error.log
+yarn-debug.log*
+.yarn-integrity

.ruby-version

@@ -1 +1 @@
-2.4.4
+2.6.3

Gemfile

@@ -5,20 +5,19 @@ git_source(:github) do |repo_name|
   "https://github.com/#{repo_name}.git"
 end
 
-gem 'rails', '~> 5.2'
+gem 'rails', '~> 6.0.0'
 gem 'puma', '~> 3.7'
 gem 'mysql2'
 
 gem 'dalli'
 gem 'devise', ">= 4.7.1"
 gem 'omniauth-github'
 gem 'kaminari'
-gem 'friendly_id', '~> 5.2'
+gem 'friendly_id', github: 'norman/friendly_id', branch: 'master', ref: 'cdd5971f91c40e0c05e5afb498d2ec1b452ffb44'
 gem 'mandate'
 
 gem 'haml-rails'
 gem 'jquery-rails'
-gem 'coffee-rails', '~> 4.2'
 gem 'sassc-rails'
 gem 'uglifier', '>= 1.3.0'
 gem 'premailer-rails'
@@ -51,6 +50,8 @@ gem 'flipper-ui'
 
 gem 'twitter', require: false
 
+gem 'webpacker', '~> 4.0'
+
 group :production do
   gem "skylight"
 end

Gemfile.lock

@@ -1,66 +1,88 @@
+GIT
+  remote: https://github.com/norman/friendly_id.git
+  revision: cdd5971f91c40e0c05e5afb498d2ec1b452ffb44
+  ref: cdd5971f91c40e0c05e5afb498d2ec1b452ffb44
+  branch: master
+  specs:
+    friendly_id (5.2.5)
+      activerecord (>= 4.0.0)
+
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.2.3)
-      actionpack (= 5.2.3)
+    actioncable (6.0.0)
+      actionpack (= 6.0.0)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailer (5.2.3)
-      actionpack (= 5.2.3)
-      actionview (= 5.2.3)
-      activejob (= 5.2.3)
+    actionmailbox (6.0.0)
+      actionpack (= 6.0.0)
+      activejob (= 6.0.0)
+      activerecord (= 6.0.0)
+      activestorage (= 6.0.0)
+      activesupport (= 6.0.0)
+      mail (>= 2.7.1)
+    actionmailer (6.0.0)
+      actionpack (= 6.0.0)
+      actionview (= 6.0.0)
+      activejob (= 6.0.0)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.2.3)
-      actionview (= 5.2.3)
-      activesupport (= 5.2.3)
+    actionpack (6.0.0)
+      actionview (= 6.0.0)
+      activesupport (= 6.0.0)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.2.3)
-      activesupport (= 5.2.3)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actiontext (6.0.0)
+      actionpack (= 6.0.0)
+      activerecord (= 6.0.0)
+      activestorage (= 6.0.0)
+      activesupport (= 6.0.0)
+      nokogiri (>= 1.8.5)
+    actionview (6.0.0)
+      activesupport (= 6.0.0)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.2.3)
-      activesupport (= 5.2.3)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    activejob (6.0.0)
+      activesupport (= 6.0.0)
       globalid (>= 0.3.6)
-    activemodel (5.2.3)
-      activesupport (= 5.2.3)
-    activerecord (5.2.3)
-      activemodel (= 5.2.3)
-      activesupport (= 5.2.3)
-      arel (>= 9.0)
-    activestorage (5.2.3)
-      actionpack (= 5.2.3)
-      activerecord (= 5.2.3)
+    activemodel (6.0.0)
+      activesupport (= 6.0.0)
+    activerecord (6.0.0)
+      activemodel (= 6.0.0)
+      activesupport (= 6.0.0)
+    activestorage (6.0.0)
+      actionpack (= 6.0.0)
+      activejob (= 6.0.0)
+      activerecord (= 6.0.0)
       marcel (~> 0.3.1)
-    activesupport (5.2.3)
+    activesupport (6.0.0)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
+      zeitwerk (~> 2.1, >= 2.1.8)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
-    airbrussh (1.3.4)
+    airbrussh (1.4.0)
       sshkit (>= 1.6.1, != 1.7.0)
     archive-zip (0.12.0)
       io-like (~> 0.3.0)
-    arel (9.0.0)
     ast (2.4.0)
     aws-eventstream (1.0.3)
-    aws-partitions (1.220.0)
-    aws-sdk-core (3.68.1)
+    aws-partitions (1.226.0)
+    aws-sdk-core (3.69.1)
       aws-eventstream (~> 1.0, >= 1.0.2)
       aws-partitions (~> 1.0)
       aws-sigv4 (~> 1.1)
       jmespath (~> 1.0)
     aws-sdk-kms (1.24.0)
       aws-sdk-core (~> 3, >= 3.61.1)
       aws-sigv4 (~> 1.1)
-    aws-sdk-s3 (1.48.0)
+    aws-sdk-s3 (1.50.0)
       aws-sdk-core (~> 3, >= 3.61.1)
       aws-sdk-kms (~> 1)
       aws-sigv4 (~> 1.1)
@@ -113,19 +135,12 @@ GEM
     chromedriver-helper (2.1.1)
       archive-zip (~> 0.10)
       nokogiri (~> 1.8)
-    coffee-rails (4.2.2)
-      coffee-script (>= 2.2.0)
-      railties (>= 4.0.0)
-    coffee-script (2.4.1)
-      coffee-script-source
-      execjs
-    coffee-script-source (1.12.2)
     commonmarker (0.20.1)
       ruby-enum (~> 0.5)
     concurrent-ruby (1.1.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.4)
+    crass (1.0.5)
     css_parser (1.7.0)
       addressable
     daemons (1.3.1)
@@ -153,7 +168,7 @@ GEM
     factory_bot_rails (5.1.1)
       factory_bot (~> 5.1.0)
       railties (>= 4.2.0)
-    faraday (0.16.2)
+    faraday (0.17.0)
       multipart-post (>= 1.2, < 3)
     ffi (1.11.1)
     flipper (0.17.1)
@@ -165,8 +180,6 @@ GEM
       flipper (~> 0.17.1)
       rack (>= 1.4, < 3)
       rack-protection (>= 1.5.3, < 2.1.0)
-    friendly_id (5.3.0)
-      activerecord (>= 4.0.0)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
     haml (5.1.2)
@@ -257,7 +270,7 @@ GEM
     method_source (0.9.2)
     mime-types (3.3)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2019.0904)
+    mime-types-data (3.2019.1009)
     mimemagic (0.3.3)
     mini_magick (4.9.5)
     mini_mime (1.0.2)
@@ -267,7 +280,7 @@ GEM
     mocha (1.9.0)
       metaclass (~> 0.0.1)
     msgpack (1.3.1)
-    multi_json (1.13.1)
+    multi_json (1.14.1)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
     mysql2 (0.5.2)
@@ -315,20 +328,24 @@ GEM
     rack (2.0.7)
     rack-protection (2.0.7)
       rack
+    rack-proxy (0.6.5)
+      rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (5.2.3)
-      actioncable (= 5.2.3)
-      actionmailer (= 5.2.3)
-      actionpack (= 5.2.3)
-      actionview (= 5.2.3)
-      activejob (= 5.2.3)
-      activemodel (= 5.2.3)
-      activerecord (= 5.2.3)
-      activestorage (= 5.2.3)
-      activesupport (= 5.2.3)
+    rails (6.0.0)
+      actioncable (= 6.0.0)
+      actionmailbox (= 6.0.0)
+      actionmailer (= 6.0.0)
+      actionpack (= 6.0.0)
+      actiontext (= 6.0.0)
+      actionview (= 6.0.0)
+      activejob (= 6.0.0)
+      activemodel (= 6.0.0)
+      activerecord (= 6.0.0)
+      activestorage (= 6.0.0)
+      activesupport (= 6.0.0)
       bundler (>= 1.3.0)
-      railties (= 5.2.3)
+      railties (= 6.0.0)
       sprockets-rails (>= 2.0.0)
     rails-controller-testing (1.0.4)
       actionpack (>= 5.0.1.x)
@@ -337,20 +354,20 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.2.0)
-      loofah (~> 2.2, >= 2.2.2)
-    railties (5.2.3)
-      actionpack (= 5.2.3)
-      activesupport (= 5.2.3)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    railties (6.0.0)
+      actionpack (= 6.0.0)
+      activesupport (= 6.0.0)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.19.0, < 2.0)
+      thor (>= 0.20.3, < 2.0)
     rainbow (3.0.0)
     rake (13.0.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
-    recaptcha (5.1.1)
+    recaptcha (5.2.1)
       json
     regexp_parser (1.6.0)
     request_store (1.4.1)
@@ -363,7 +380,7 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    rubocop (0.75.0)
+    rubocop (0.75.1)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.6)
@@ -373,7 +390,7 @@ GEM
     ruby-enum (0.7.2)
       i18n
     ruby-progressbar (1.10.1)
-    ruby-vips (2.0.15)
+    ruby-vips (2.0.16)
       ffi (~> 1.9)
     ruby_dep (1.5.0)
     ruby_parser (3.14.0)
@@ -410,7 +427,7 @@ GEM
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
       spring (>= 1.2, < 3.0)
-    sprockets (3.7.2)
+    sprockets (4.0.0)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.1)
@@ -445,23 +462,28 @@ GEM
       unf_ext
     unf_ext (0.0.7.6)
     unicode-display_width (1.6.0)
-    uniform_notifier (1.12.1)
+    uniform_notifier (1.13.0)
     warden (1.2.8)
       rack (>= 2.0.6)
-    web-console (3.7.0)
-      actionview (>= 5.0)
-      activemodel (>= 5.0)
+    web-console (4.0.1)
+      actionview (>= 6.0.0)
+      activemodel (>= 6.0.0)
       bindex (>= 0.4.0)
-      railties (>= 5.0)
+      railties (>= 6.0.0)
     webmock (3.7.6)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
+    webpacker (4.0.7)
+      activesupport (>= 4.2)
+      rack-proxy (>= 0.6.1)
+      railties (>= 4.2)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.4)
     xpath (3.2.0)
       nokogiri (~> 1.8)
+    zeitwerk (2.2.0)
 
 PLATFORMS
   ruby
@@ -479,7 +501,6 @@ DEPENDENCIES
   capistrano-yarn
   capybara (~> 3.0)
   chromedriver-helper
-  coffee-rails (~> 4.2)
   commonmarker
   daemons
   dalli
@@ -489,7 +510,7 @@ DEPENDENCIES
   flipper
   flipper-active_record
   flipper-ui
-  friendly_id (~> 5.2)
+  friendly_id!
   haml-lint
   haml-rails
   image_processing (~> 1.2)
@@ -510,7 +531,7 @@ DEPENDENCIES
   premailer-rails
   propono
   puma (~> 3.7)
-  rails (~> 5.2)
+  rails (~> 6.0.0)
   rails-controller-testing
   recaptcha
   rest-client
@@ -528,6 +549,7 @@ DEPENDENCIES
   uglifier (>= 1.3.0)
   web-console (>= 3.3.0)
   webmock
+  webpacker (~> 4.0)
 
 BUNDLED WITH
    2.0.2

app/assets/config/manifest.js

@@ -1,3 +1,2 @@
 //= link_tree ../images
-//= link_directory ../javascripts .js
 //= link_directory ../stylesheets .css