Build Fully Type Safe Projects with TypeScript and Zod
summary
Demonstrates using Zod with TypeScript to get real runtime guarantees: validates process.env into strict enums, parses search params and URL-driven UI state, and uses ky to fetch APIs then throws 422 on schema mismatch so broken contracts fail fast. Shows Zod infer to derive TypeScript types, refinements and superRefine for password and date‑range checks, and a Remix/react‑hook‑form pattern that centralizes validation and reduces fragile useEffect logic.
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chapters (10)
- 0:00Introduction
- 4:23TypeScript limitations
- 7:11Why Zod matters
- 12:21Practical Zod examples
- 16:33Validating search params
- 19:25API response validation
- 24:02Backend request validation
- 29:16Form validation with Zod
- 34:14Closing thoughts
- 35:39Q&A session
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