code: function factory(options) {
    options = applyOptions(options);
  
    return (ctx, next) => {
  
      // Next if secure
      if (options.resolver(ctx)) {
        return next();
      }
      // Redirect to HTTPS
      else {
        redirect(options, ctx);
      }
    }
  }
docs: enforceHTTPS
  
  @param    {Hash}       options
  @param    {Function}   options[resolver]
  @param    {Integer}    options[port]
  @param    {String}     options[hostname]
  @param    {Boolean}    options[ignoreUrl]
  @param    {Boolean}    options[temporary]
  @param    {Array}      options[redirectMethods]
  @param    {Integer}    options[disallowStatus]
  @return   {Function}
  @api      public