lib/proto.js
function NotFoundError(name) {
  Error.call(this);
  Error.captureStackTrace(this, arguments.callee);
  this.name = 'Middleware Not Found Error';
  this.message = name + ' not found in the current stack';
}
function NotFoundError(name) {
  Error.call(this);
  Error.captureStackTrace(this, arguments.callee);
  this.name = 'Middleware Not Found Error';
  this.message = name + ' not found in the current stack';
}
function NotFoundError ( name ) { Error . call ( this ) ; Error . captureStackTrace ( this , arguments . callee ) ; this . name = 'Middleware Not Found Error' ; this . message = name + ' not found in the current stack' ; }
Define an error for middleware not found in the stack
Define an error for middleware not found in the stack