-# application.js, application.css, and all non-JS/CSS in app/assets folder are already added.
-Rails.application.config.assets.precompile += %w( index.js browse.js welcome.js fixthemap.js )
-Rails.application.config.assets.precompile += %w( user.js login.js diary_entry.js )
-Rails.application.config.assets.precompile += %w( screen-ltr.css print-ltr.css )
-Rails.application.config.assets.precompile += %w( screen-rtl.css print-rtl.css )
-Rails.application.config.assets.precompile += %w( leaflet-all.css leaflet.ie.css )
-Rails.application.config.assets.precompile += %w( id.js id.css )
-Rails.application.config.assets.precompile += %w( embed.js embed.css )
-Rails.application.config.assets.precompile += %w( html5shiv.js )
-Rails.application.config.assets.precompile += %w( images/marker-*.png img/*-handle.png )
-Rails.application.config.assets.precompile += %w( swfobject.js expressInstall.swf )
-Rails.application.config.assets.precompile += %w( potlatch2.swf )
-Rails.application.config.assets.precompile += %w( potlatch2/assets.zip )
-Rails.application.config.assets.precompile += %w( potlatch2/FontLibrary.swf )
-Rails.application.config.assets.precompile += %w( potlatch2/locales/*.swf )
-Rails.application.config.assets.precompile += %w( help/introduction.* )
-Rails.application.config.assets.precompile << Proc.new { |path, fn| fn =~ /vendor\/assets\/iD/ }
+# application.js, application.css, and all non-JS/CSS in the app/assets
+# folder are already added.
+Rails.application.config.assets.precompile += %w[index.js browse.js welcome.js fixthemap.js]
+Rails.application.config.assets.precompile += %w[user.js login.js diary_entry.js messages.js edit/*.js i18n/*.js]
+Rails.application.config.assets.precompile += %w[screen-ltr.css print-ltr.css]
+Rails.application.config.assets.precompile += %w[screen-rtl.css print-rtl.css]
+Rails.application.config.assets.precompile += %w[leaflet-all.css leaflet.ie.css]
+Rails.application.config.assets.precompile += %w[id.js id.css]
+Rails.application.config.assets.precompile += %w[embed.js embed.css]
+Rails.application.config.assets.precompile += %w[errors.css]
+Rails.application.config.assets.precompile += %w[html5shiv.js es5.js es6.js]
+Rails.application.config.assets.precompile += %w[images/marker-*.png img/*-handle.png]
+Rails.application.config.assets.precompile += %w[swfobject.js expressInstall.swf]
+Rails.application.config.assets.precompile += %w[potlatch2.swf]
+Rails.application.config.assets.precompile += %w[potlatch2/assets.zip]
+Rails.application.config.assets.precompile += %w[potlatch2/FontLibrary.swf]
+Rails.application.config.assets.precompile += %w[potlatch2/locales/*.swf]
+Rails.application.config.assets.precompile += %w[help/introduction.*]
+Rails.application.config.assets.precompile += %w[iD/img/*.svg iD/img/*.png iD/img/*.gif]
+Rails.application.config.assets.precompile += %w[iD/img/pattern/*.png]
+Rails.application.config.assets.precompile += %w[iD/locales/*.json]