909: Handling and Throwing Errors

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

• Welcome to Syntax!
• Error terminology.
  • Thrown and catching.
• What’s in an error.
  • Name and message.
  • Stack.
  • Node system errors.
  • Messages: strings, objects, or custom errors.
• Throwing errors.
• Promise errors.
  • Try catch block, .catch().
  • Using awaited-to.
  • Finally.
  • promise.try()
• Re-throwing errors.
  • Error Cause
• Client-side errors.
  • Catching at different levels.
  • Displaying errors.
  • Transforming server errors into client errors.
  • Error boundaries.
• Server errors.
  • JSON API.
  • HTTP response codes.
• Logging and solving errors.
  • Proudly supported by Sentry.io.
    • Logging within Sentry
• TypeScript and errors.

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