Adjust the patch for the gettext_i18n_rails and gettext_i18n_rails_js gems.

config/initializers/gettext_rails_i18n_patch.rb

 require 'gettext_i18n_rails/haml_parser'
 require 'gettext_i18n_rails_js/parser/javascript'
 
-VUE_TRANSLATE_REGEX = /{{ ([^{]*)( \| translate) }}/
-VUE_TRANSLATE_PLURAL_REGEX = /{{ ([^{]*)( \| translate-plural\((.*), (.*)\)) }}/
+VUE_TRANSLATE_REGEX = /{{ (N|n|s)?__\((.*)\) }}/
 
 module GettextI18nRails
   class HamlParser
@@ -10,17 +9,13 @@ module GettextI18nRails
 
     # We need to convert text in Mustache format
     # to a format that can be parsed by Gettext scripts.
-    # If we found a content like "{{ 'Stage' | translate }}"
+    # If we found a content like "{{ __('Stage') }}"
     # in a HAML file we convert it to "= _('Stage')", that way
     # it can be processed by the "rake gettext:find" script.
     #
     # Overwrites: https://github.com/grosser/gettext_i18n_rails/blob/8396387a431e0f8ead72fc1cd425cad2fa4992f2/lib/gettext_i18n_rails/haml_parser.rb#L9
     def self.convert_to_code(text)
-      # {{ 'Stage' | translate }} => = _('Stage')
-      text.gsub!(VUE_TRANSLATE_REGEX, "= _(\\1)")
-
-      # {{ 'user' | translate-plural('users', users.size) }} => = n_('user', 'users', users.size)
-      text.gsub!(VUE_TRANSLATE_PLURAL_REGEX, "= n_(\\1, \\3, \\4)")
+      text.gsub!(VUE_TRANSLATE_REGEX, "= \\1_(\\2)")
 
       old_convert_to_code(text)
     end
@@ -43,22 +38,6 @@ module GettextI18nRailsJs
           ".vue"
         ].include? ::File.extname(file)
       end
-
-      protected
-
-      # Overwrites: https://github.com/webhippie/gettext_i18n_rails_js/blob/46c58db6d2053a4f5f36a0eb024ea706ff5707cb/lib/gettext_i18n_rails_js/parser/javascript.rb#L46
-      def collect_for(value)
-        ::File.open(value) do |f|
-          f.each_line.each_with_index.collect do |line, idx|
-            line.gsub!(VUE_TRANSLATE_REGEX, "__(\\1)")
-            line.gsub!(VUE_TRANSLATE_PLURAL_REGEX, "n__(\\1, \\3, \\4)")
-
-            line.scan(invoke_regex).collect do |function, arguments|
-              yield(function, arguments, idx + 1)
-            end
-          end.inject([], :+).compact
-        end
-      end
     end
   end
 end