This tutorial shows the correct way to type JSON responses when using the Fetch API. It will also teach you how to save plenty of time and avoid common mistakes when fetching data from a remote server endpoint.

Learn more tricks: https://typescript.tv/

Timeline:
0:00 - How to Use the Fetch API in TypeScript
3:23 - The Dangers of Type Assertions
8:41 - Introduction to Zod
11:40 - TypeScript Schema Validation with Zod
14:54 - Composing Schemas with Zod
16:51 - Time-Saving Techniques with Transform Tools

Resources:
- https://zod.dev/
- https://transform.tools/json-to-zod

#typescript #fetch #nodejs

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Community Picks

Learn how to properly type data when fetching it from a server using the Fetch API in TypeScript. Discover the pitfalls of type assertion and how Zod can be used to improve type validation and prevent unexpected errors.

Strengthen Your Fetch API Calls with Zod