module AngularRailsTemplates::CompactJavaScriptEscape

Constants

JS_ESCAPE_MAP

inspired by Rails' action_view/helpers/javascript_helper.rb

Public Instance Methods

escape_javascript(raw) click to toggle source

We want to deliver the shortist valid javascript escaped string Count the number of “ vs ' If more ', escape ” If more “, escape ' If equal, prefer to escape ”

# File lib/angular-rails-templates/compact_javascript_escape.rb, line 19
def escape_javascript(raw)
  if raw
    quote = raw.count(%{'}) >= raw.count(%{"}) ? %{"} : %{'}
    escaped = raw.gsub(/(\\|\r\n|[\n\r#{quote}])/u) {|match| JS_ESCAPE_MAP[match] }
    "#{quote}#{escaped}#{quote}"
  else
    '""'
  end
end