Extracted a seperate configuration class

README.md

@@ -82,6 +82,22 @@ jed_options:
   pretty: false
 ```
 
+If you prefer an initializer file within your rails application you can use
+that in favor of the YML configuration as well:
+
+```ruby
+GettextI18nRailsJs.config do |config|
+  config.output_path = "app/assets/javascripts/locale"
+
+  config.handlebars_function = "__"
+  config.javascript_function = "__"
+
+  config.jed_options = {
+    pretty: false
+  }
+end
+```
+
 
 ## Todo
 

lib/gettext_i18n_rails_js.rb

@@ -42,7 +42,13 @@
 
 require_relative "gettext_i18n_rails_js/version"
 require_relative "gettext_i18n_rails_js/parser"
+require_relative "gettext_i18n_rails_js/config"
 require_relative "gettext_i18n_rails_js/engine"
 
 module GettextI18nRailsJs
+  class << self
+    def config(&block)
+      @config ||= GettextI18nRailsJs::Config.new(&block)
+    end
+  end
 end

lib/gettext_i18n_rails_js/config.rb

@@ -0,0 +1,75 @@
+# -*- coding: UTF-8 -*-
+#
+# Copyright (c) 2012-2015 Dropmysite.com <https://dropmyemail.com>
+# Copyright (c) 2015 Webhippie <http://www.webhippie.de>
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+module GettextI18nRailsJs
+  class Config
+    attr_accessor :output_path
+    attr_accessor :handlebars_function
+    attr_accessor :javascript_function
+    attr_accessor :jed_options
+
+    def initialize(&block)
+      @output_path = defaults[:output_path]
+      @handlebars_function = defaults[:handlebars_function]
+      @javascript_function = defaults[:javascript_function]
+      @jed_options = defaults[:jed_options].symbolize_keys
+
+      instance_eval(&block) if block_given?
+    end
+
+    protected
+
+    def defaults
+      file = ::Rails.root.join(
+        "config",
+        "gettext_i18n_rails_js.yml"
+      )
+
+      values = {
+        output_path: File.join(
+          "app",
+          "assets",
+          "javascripts",
+          "locale"
+        ),
+        handlebars_function: "__",
+        javascript_function: "__",
+        jed_options: {
+          pretty: false
+        }
+      }
+
+      if file.exist?
+        yaml = YAML.load_file(file) || {}
+
+        values.deep_merge(
+          yaml
+        ).with_indifferent_access
+      else
+        values.with_indifferent_access
+      end
+    end
+  end
+end

lib/gettext_i18n_rails_js/task.rb

@@ -1,11 +1,86 @@
-require "gettext_i18n_rails/tasks"
+# -*- coding: UTF-8 -*-
+#
+# Copyright (c) 2012-2015 Dropmysite.com <https://dropmyemail.com>
+# Copyright (c) 2015 Webhippie <http://www.webhippie.de>
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
 
 module GettextI18nRailsJs
   module Task
     extend self
 
+    def po_to_json
+      GettextI18nRailsJs::Parser::Javascript
+        .gettext_function = GettextI18nRailsJs.config.javascript_function
+
+      GettextI18nRailsJs::Parser::Handlebars
+        .gettext_function = GettextI18nRailsJs.config.handlebars_function
+
+      if files_list.empty?
+        puts "Couldn't find PO files in #{locale_path}, run 'rake gettext:find'"
+      else
+        files_list.each do |input|
+          # Language is used for filenames, while language code is used as the
+          # in-app language code. So for instance, simplified chinese will live
+          # in app/assets/locale/zh_CN/app.js but inside the file the language
+          # will be referred to as locales['zh-CN']. This is to adapt to the
+          # existing gettext_rails convention.
+
+          language = input.dirname.basename.to_s
+          language_code = language.gsub("_", "-")
+
+          destination = output_path.join(language)
+          destination.mkpath
+
+          json = PoToJson.new(
+            input.to_s
+          ).generate_for_jed(
+            language_code,
+            GettextI18nRailsJs.config.jed_options
+          )
+
+          destination.join("app.js").open("w") do |f|
+            f.rewind
+            f.write(json)
+          end
+
+          puts "Created app.js in #{destination}"
+        end
+
+        puts
+        puts "All files created, make sure they are being added to your assets."
+        puts "If they are not, you can add them with this line (configurable):"
+        puts
+        puts "//= require_tree ./locale"
+        puts "//= require gettext/all"
+        puts
+      end
+    end
+
+    protected
+
     def files_list
-      Pathname.glob(
+      require "gettext_i18n_rails/tasks"
+
+      ::Pathname.glob(
         ::File.join(
           locale_path,
           "**",
@@ -16,41 +91,8 @@ def files_list
 
     def output_path
       ::Rails.root.join(
-        config[:output_path]
+        GettextI18nRailsJs.config.output_path
       )
     end
-
-    def config
-      @config ||= begin
-        file = ::Rails.root.join(
-          "config",
-          "gettext_i18n_rails_js.yml"
-        )
-
-        defaults = {
-          output_path: File.join(
-            "app",
-            "assets",
-            "javascripts",
-            "locale"
-          ),
-          handlebars_function: "__",
-          javascript_function: "__",
-          jed_options: {
-            pretty: false
-          }
-        }
-
-        if file.exist?
-          yaml = YAML.load_file(file) || {}
-
-          defaults.deep_merge(
-            yaml
-          ).with_indifferent_access
-        else
-          defaults.with_indifferent_access
-        end
-      end
-    end
   end
 end

lib/tasks/gettext_i18n_rails_js_tasks.rake

@@ -29,51 +29,7 @@ require "gettext_i18n_rails_js/task"
 namespace :gettext do
   desc "Convert PO files to JS files"
   task po_to_json: :environment do
-    GettextI18nRailsJs::Parser::Javascript
-      .gettext_function = GettextI18nRailsJs::Task.config[:javascript_function]
-
-    GettextI18nRailsJs::Parser::Handlebars
-      .gettext_function = GettextI18nRailsJs::Task.config[:handlebars_function]
-
-    if GettextI18nRailsJs::Task.files_list.empty?
-      puts "Couldn't find PO files in #{locale_path}, run 'rake gettext:find'"
-    else
-      GettextI18nRailsJs::Task.files_list.each do |input|
-        # Language is used for filenames, while language code is used as the
-        # in-app language code. So for instance, simplified chinese will live
-        # in app/assets/locale/zh_CN/app.js but inside the file the language
-        # will be referred to as locales['zh-CN']. This is to adapt to the
-        # existing gettext_rails convention.
-
-        language = input.dirname.basename.to_s
-        language_code = language.gsub("_", "-")
-
-        destination = GettextI18nRailsJs::Task.output_path.join(language)
-        destination.mkpath
-
-        json = PoToJson.new(
-          input.to_s
-        ).generate_for_jed(
-          language_code,
-          GettextI18nRailsJs::Task.config[:jed_options].symbolize_keys
-        )
-
-        destination.join("app.js").open("w") do |f|
-          f.rewind
-          f.write(json)
-        end
-
-        puts "Created app.js in #{destination}"
-      end
-
-      puts
-      puts "All files created, make sure they are being added to your assets."
-      puts "If they are not, you can add them with this line (configurable):"
-      puts
-      puts "//= require_tree ./locale"
-      puts "//= require gettext/all"
-      puts
-    end
+    GettextI18nRailsJs::Task.po_to_json
   end
 
   # Required for gettext to filter the files