update for "around_filter is deprecated and will be removed in Rails 5.1"

README.md

@@ -93,13 +93,14 @@ Hypernova.configure do |config|
 end
 ```
 
-In your controller, you‘ll need an `:around_filter` so you can opt into Hypernova rendering of view partials.
+In your controller, you‘ll need an `:around_action` so you can opt into Hypernova rendering of view partials.
 
 ```ruby
 class SampleController < ApplicationController
-  around_filter :hypernova_render_support
+  around_action :hypernova_render_support
 end
 ```
+Use `:around_filter` instead of `:around_action` if you using version 3.2.13 or older.
 
 And then in your view we `render_react_component`.
 

examples/simple/app/controllers/welcome_controller.rb

@@ -1,5 +1,5 @@
 class WelcomeController < ApplicationController
-  around_filter :hypernova_render_support
+  around_action :hypernova_render_support
   def index
   end
 end

src/index.js

@@ -42,7 +42,7 @@ function decode(res) {
 }
 
 function makeValidDataAttribute(attr, value) {
-  const encodedAttr = attr.toLowerCase().replace(/[^0-9a-z_\-]/g, '');
+  const encodedAttr = attr.toLowerCase().replace(/[^0-9a-z_-]/g, '');
   const encodedValue = value.replace(/&/g, '&').replace(/"/g, '"');
   return `data-${encodedAttr}="${encodedValue}"`;
 }