Spin.js jQuery Function

spin-jquery.js

jQuery.fn.spin = (opts) ->
  if opts != false
    opts =
      className: 'js-spinner'
      lines:     13
      length:    5
      width:     3
      radius:    7
      speed:     1.2
      trail:     50
      shadow:    false
      hwaccel:   true

  this.each ->
    $this = $(this)
    data = $this.data()

    if data.spinner
      data.spinner.stop()
      delete data.spinner

    data.spinner = new Spinner($.extend({color: $this.css('color')}, opts)).spin(this) if opts != false
  this