error-page.md
June 17, 2014 ยท View on GitHub
Error Page
Koa doesn't have an error page by default. Koala uses koa-error by default. If you'd like to change the error handler, set it on your app:
app.errorHandler = someErrorHandler;
404 Page
You can also add a custom 404 handler.
app.pageNotFoundHandler = some404Handler;