ThomasAribart/json-schema-to-ts

Health v2 · maintenance only

Adoption not part of the score

1778 stars · 39 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A TypeScript library that statically infers TypeScript types from JSON schemas via a FromSchema type utility, eliminating duplicate type definitions. Schemas written with 'as const' are resolved at compile time into matching TS types.

Use cases

• infer typescript types from schemas
• stop duplicating types for runtime validation schemas
• derive types from schema at compile time
• type schema objects in typescript
• avoid type drift between schemas and typescript code

When to choose

• you already validate data with JSON schemas and want matching static types
• you want compile-time type inference without code generation steps
• your schemas are defined in TypeScript source with 'as const'

When to avoid

• schemas live outside your codebase as separate JSON/YAML files at runtime
• you need runtime validation itself rather than static types
• you prefer codegen pipelines generating .d.ts files

Facets

library · maturity active

type-system serialization developer-tools developer-tools web-development apis cross-platform -schema type-inference typescript-types compile-time nodejs typescript

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