Module: AngularRailsTemplates::CompactJavaScriptEscape

Included in:
Processor
Defined in:
lib/angular-rails-templates/compact_javascript_escape.rb

Constant Summary collapse

JS_ESCAPE_MAP =

inspired by Rails’ action_view/helpers/javascript_helper.rb

{
  '\\'    => '\\\\',
  "\r\n"  => '\n',
  "\n"    => '\n',
  "\r"    => '\n',
  '"'     => '\\"',
  "'"     => "\\'"
}

Instance Method Summary collapse

Instance Method Details

#escape_javascript(raw) ⇒ Object

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 ”



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# 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