module Rack::Tracker::JavaScriptHelper
This module is extracted from Rails to provide reliable javascript escaping.
@see github.com/rails/rails/blob/master/actionview/lib/action_view/helpers/javascript_helper.rb
Constants
- JS_ESCAPE_MAP
Public Instance Methods
escape_javascript(javascript)
click to toggle source
Escapes carriage returns and single and double quotes for JavaScript segments.
Also available through the alias j(). This is particularly helpful in JavaScript responses, like:
$('some_element').replaceWith('<%=j render 'some/element_template' %>');
# File lib/rack/tracker/javascript_helper.rb, line 25 def escape_javascript(javascript) if javascript javascript.to_s.gsub(/(\\|<\/|\r\n|\342\200\250|\342\200\251|[\n\r"'])/u) { |match| JS_ESCAPE_MAP[match] } else '' end end
Also aliased as: j