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GraphQL SDL ⇄ TypeScript Types

Walk a schema, emit typed interfaces — and back again.

Runs in your browser
GraphQL SDL · source
lines: 18chars: 202size: 202 B
TypeScript interfaces · result
lines: 18chars: 241size: 241 B
live

Anmerkung der Redaktion

Understanding · The schema is the contract, TypeScript is the safety net.

Dieses ausführliche Kapitel ist derzeit nur auf Englisch verfügbar. Das Konvertierungstool oben funktioniert in Ihrer Sprache; der lange Erklärtext wurde noch nicht übersetzt.

Häufig gestellte Fragen

Quick answers.

Does this tool support custom scalars?

Yes. When converting SDL to TypeScript, custom scalars are mapped to `any` or `unknown` by default, which you can then refine in your code.

Are nullable fields handled correctly?

Yes. GraphQL fields without an exclamation mark are converted to optional properties (using the `?` operator) or union types with `null` in TypeScript.

Can it convert TypeScript back to SDL?

Yes. The tool parses TypeScript interfaces and type aliases to generate a matching GraphQL SDL schema, including support for basic nested objects.

Is my schema data sent to a backend?

No. The conversion logic runs entirely within your browser session using local parsing libraries, so your schema definitions never leave your device.

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