window.fbAsyncInit = function() {

  FB.init({
    appId: '<%= jekyllConfig.facebook_app_id %>',
    xfbml: true,
    version: 'v2.2'
  });
};

(function( d, s, id ) {

  var js,
    fjs = d.getElementsByTagName( s )[ 0 ];

  if ( d.getElementById(id) ) {
    return;
  }

  js = d.createElement( s );
  js.id = id;
  js.src = '//connect.facebook.net/en_US/sdk.js#xfbml=1&version=v3.0';
  fjs.parentNode.insertBefore( js, fjs );
}( document, 'script', 'facebook-jssdk' ));
