add setting to support both sweetalert and sweetalert2

resolves #6 and #7

README.md

@@ -2,7 +2,7 @@
 
 [![Gem](https://img.shields.io/gem/v/sweetify.svg?style=flat-square)](https://rubygems.org/gems/sweetify)
 
-This gem allows you to use [SweetAlert](http://t4t5.github.io/sweetalert/) for your flash messages.
+This gem allows you to use [SweetAlert](http://t4t5.github.io/sweetalert/) or [SweetAlert2](https://github.com/limonte/sweetalert2) for your flash messages.
 _See the examples below, to see how to use it_
 
 ## Installation
@@ -19,6 +19,12 @@ And then execute:
 $ bundle
 ```
 
+Next up, create the file `sweetify.rb` in your initializers to specify the library you are using (SweetAlert or SweetAlert2):
+```ruby
+# possible options: 'sweetalert', 'sweetalert2' - default is 'sweetalert2'
+Sweetify.sweetalert_library = 'sweetalert2'
+```
+
 Next add the following line to the bottom of your application's layout file:
 ```html
 ...

app/views/sweetify/_alert.html.erb

@@ -1,5 +1,5 @@
 <% if flash[:sweetify].present? %>
     <script>
-      swal(<%= flash[:sweetify].html_safe %>)
+      <%= Sweetify.render(flash[:sweetify]) %>
     </script>
-<% end %>
+<% end %>

lib/sweetify.rb

@@ -1,2 +1,3 @@
 require 'sweetify/engine'
 require 'sweetify/sweetalert'
+require 'sweetify/render'

lib/sweetify/render.rb

@@ -0,0 +1,13 @@
+module Sweetify
+  class << self
+    attr_writer :sweetalert_library
+
+    def sweetalert_library
+      @sweetalert_library || 'sweetalert2'
+    end
+
+    def render(json)
+      (sweetalert_library == 'sweetalert2' ? "Swal.fire(#{json})" : "swal(#{json})").html_safe
+    end
+  end
+end

lib/sweetify/sweetalert.rb

@@ -33,6 +33,18 @@ def sweetalert(text, title = '', opts = {})
         opts.delete(:persistent)
       end
 
+      # sweetalert changes
+      if Sweetify.sweetalert_library == 'sweetalert'
+        opts[:icon] = opts.delete(:type)
+        opts[:closeOnClickOutside] = opts.delete(:allowOutsideClick)
+
+        if opts.delete(:showConfirmButton)
+          opts[:button] = opts[:confirmButtonText]
+        else
+          opts[:button] = false
+        end
+      end
+
       flash_config(opts)
     end
 

lib/sweetify/version.rb

@@ -1,3 +1,3 @@
 module Sweetify
-  VERSION = '1.0.0'.freeze
+  VERSION = '2.0.0'.freeze
 end