NestJS · Middle · Question 47 of 75

What's the difference between code-first and schema-first GraphQL in Nest?

1Code-first doesn't support mutations
2Schema-first works only with REST
✓Correct answer: Code-first generates the schema from TypeScript classes and decorators; schema-first writes SDL files and generates TypeScript types from them

Explanation

Code-first keeps one source of truth in TypeScript; schema-first suits teams that design the schema as a contract first.

Further reading

NestJS: GraphQL quick start ↗

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