909: Handling and Throwing Errors

Syntax - Tasty Web Development Treats

We break down how to properly throw, catch, and log errors in JavaScript and TypeScript. They cover client-side and server-side strategies, using tools like Sentry, and how to handle errors without taking down your whole app.

Show Notes

• 00:00 Welcome to Syntax!
• 01:19 Error terminology.
  • 01:42 Thrown and catching.
• 03:01 What’s in an error.
  • 04:09 Name and message.
  • 04:42 Stack.
  • 07:12 Node system errors.
  • 07:34 Messages: strings, objects, or custom errors.
• 08:19 Throwing errors.
• 12:01 Promise errors.
  • 12:10 Try catch block, .catch().
  • 14:13 Using awaited-to.
  • 15:10 Finally.
  • 16:29 promise.try()
• 17:14 Re-throwing errors.
  • Error Cause
• 18:12 Client-side errors.
  • 18:15 Catching at different levels.
  • 18:51 Displaying errors.
  • 21:59 Transforming server errors into client errors.
  • 24:12 Error boundaries.
• 25:26 Server errors.
  • 26:10 JSON API.
  • 27:41 HTTP response codes.
• 30:09 Logging and solving errors.
  • 31:16 Proudly supported by Sentry.io.
    • Logging within Sentry
• 36:16 TypeScript and errors.

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