Error Handling

Express comes with a default built-in error handler that deals with any errors that might arise in the application.

Handle errors centrally

Since we haven’t written custom error handlers to handle the errors passed to next() in src/controllers/recipe.js, the errors will be handled by the built-in error handler.

Let’s see what the default handler does. If a faulty path is visited where a recipe with a certain id doesn’t exist, then an error is displayed in the browser, as shown below: