Generate i18n export as TypeScript and move locale logic there

.gitignore

@@ -24,8 +24,7 @@ coverage/
 *~
 
 # dont push generated js translations to repository
-/app/assets/javascripts/i18n/*.js
-/app/javascript/legacy/i18n.js
+/app/javascript/retrospring/i18n.ts
 
 # every fucking time, dolphin
 .directory

app/javascript/packs/legacy.coffee

@@ -5,17 +5,11 @@ import '../legacy/jquery'
 import 'popper.js'
 import 'bootstrap'
 import 'particleground/jquery.particleground.min'
-import Cookies from 'js-cookie'
 
-# this file is generated by Rails
-import I18n from '../legacy/i18n'
 import '../legacy/pagination'
 import '../legacy/locale-box'
 import '../legacy/util'
 
-I18n.defaultLocale = 'en';
-I18n.locale = Cookies.get('hl') || 'en';
-
 _ready = ->
   $('[data-toggle="tooltip"]').tooltip()
   $('.dropdown-toggle').dropdown()

config/i18n-js.yml

@@ -26,7 +26,7 @@ fallbacks: :default_locale
 export_i18n_js: false
 
 translations:
-  - file: 'app/javascript/legacy/i18n.js'
+  - file: 'app/javascript/retrospring/i18n.ts'
     only: ['*.frontend.*', '*.views.actions.*']
-    prefix: "import I18n from 'i18n-js'\n"
-    suffix: "\nexport default I18n"
+    prefix: "import I18n from 'i18n-js'\nimport Cookies from 'js-cookie'\n"
+    suffix: "I18n.defaultLocale = 'en';\nI18n.locale = Cookies.get('hl') || 'en';\nexport default I18n"