Backfilling bootstrap v4.0.0

.babelrc.js

@@ -0,0 +1,16 @@
+module.exports = {
+  presets: [
+    [
+      '@babel/env',
+      {
+        exclude: ['transform-typeof-symbol'],
+        loose: true,
+        modules: false
+      }
+    ]
+  ],
+  plugins: [
+    process.env.PLUGINS && 'transform-es2015-modules-strip',
+    '@babel/proposal-object-rest-spread'
+  ].filter(Boolean)
+};

.eslintignore

@@ -0,0 +1,3 @@
+**/*.min.js
+**/addons/*
+js/*

Gemfile

@@ -1,8 +1,8 @@
 source 'https://rubygems.org'
 
 group :development, :test do
-  gem 'jekyll', '~> 3.5.1'
-  gem 'jekyll-redirect-from', '~> 0.12.1'
+  gem 'jekyll', '~> 3.7.0'
+  gem 'jekyll-redirect-from', '~> 0.13.0'
   gem 'jekyll-sitemap', '~> 1.1.1'
-  gem 'jekyll-toc', '~> 0.3.0.pre1'
+  gem 'jekyll-toc', '~> 0.5.1'
 end

Gemfile.lock

@@ -1,50 +1,62 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.1)
-      public_suffix (~> 2.0, >= 2.0.2)
+    addressable (2.5.2)
+      public_suffix (>= 2.0.2, < 4.0)
     colorator (1.1.0)
+    concurrent-ruby (1.0.5)
+    em-websocket (0.5.1)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0.6.0)
+    eventmachine (1.2.5)
     ffi (1.9.18)
     forwardable-extended (2.6.0)
-    jekyll (3.5.2)
+    http_parser.rb (0.6.0)
+    i18n (0.9.1)
+      concurrent-ruby (~> 1.0)
+    jekyll (3.7.0)
       addressable (~> 2.4)
       colorator (~> 1.0)
+      em-websocket (~> 0.5)
+      i18n (~> 0.7)
       jekyll-sass-converter (~> 1.0)
-      jekyll-watch (~> 1.1)
-      kramdown (~> 1.3)
+      jekyll-watch (~> 2.0)
+      kramdown (~> 1.14)
       liquid (~> 4.0)
       mercenary (~> 0.3.3)
       pathutil (~> 0.9)
-      rouge (~> 1.7)
+      rouge (>= 1.7, < 4)
       safe_yaml (~> 1.0)
-    jekyll-redirect-from (0.12.1)
+    jekyll-redirect-from (0.13.0)
       jekyll (~> 3.3)
-    jekyll-sass-converter (1.5.0)
+    jekyll-sass-converter (1.5.1)
       sass (~> 3.4)
     jekyll-sitemap (1.1.1)
       jekyll (~> 3.3)
-    jekyll-toc (0.3.0)
+    jekyll-toc (0.5.1)
       nokogiri (~> 1.6)
-    jekyll-watch (1.5.0)
-      listen (~> 3.0, < 3.1)
-    kramdown (1.14.0)
+    jekyll-watch (2.0.0)
+      listen (~> 3.0)
+    kramdown (1.16.2)
     liquid (4.0.0)
-    listen (3.0.8)
+    listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
+      ruby_dep (~> 1.2)
     mercenary (0.3.6)
-    mini_portile2 (2.2.0)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
-    pathutil (0.14.0)
+    mini_portile2 (2.3.0)
+    nokogiri (1.8.1)
+      mini_portile2 (~> 2.3.0)
+    pathutil (0.16.1)
       forwardable-extended (~> 2.6)
-    public_suffix (2.0.5)
+    public_suffix (3.0.1)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    rouge (1.11.1)
+    rouge (3.1.0)
+    ruby_dep (1.5.0)
     safe_yaml (1.0.4)
-    sass (3.5.1)
+    sass (3.5.5)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -54,10 +66,10 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  jekyll (~> 3.5.1)
-  jekyll-redirect-from (~> 0.12.1)
+  jekyll (~> 3.7.0)
+  jekyll-redirect-from (~> 0.13.0)
   jekyll-sitemap (~> 1.1.1)
-  jekyll-toc (~> 0.3.0.pre1)
+  jekyll-toc (~> 0.5.1)
 
 BUNDLED WITH
-   1.15.4
+   1.16.0