atom-beautify/examples/simple-jsbeautifyrc/.jsbeautifyrc

{
  "indent_size": 2,
  "indent_char": " ",
  "other": " ",
  "indent_level": 0,
  "indent_with_tabs": false,
  "preserve_newlines": true,
  "max_preserve_newlines": 2,
  "jslint_happy": true,
  "indent_handlebars": true,
  "object": {}  
}