vega/ts-json-schema-generator

Health v2 · maintenance only

Adoption not part of the score

1716 stars · 238 forks observed · 2026-10-02

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

A TypeScript library and CLI tool that generates JSON Schema documents from TypeScript type definitions. It parses TypeScript source files via the compiler AST and produces standards-compliant JSON Schema, including JSDoc-derived descriptions.

Use cases

• generate schema from typescript types
• validate api payloads against typescript interfaces
• create schema for config files from ts types
• produce openapi-compatible schemas from typescript source
• cli tool to generate schema from a tsconfig project
• keep schema in sync with typescript code

When to choose

• your types are defined in TypeScript and you need JSON Schema as the source of truth for validation
• you want JSDoc comments carried into schema descriptions
• you need a programmable library plus a CLI in one package

When to avoid

• your types live in other languages like Python or Go
• you need OpenAPI documents rather than plain JSON Schema
• you want runtime type validation itself rather than schema generation

Facets

library · maturity active

parser serialization cli developer-tools developer-tools apis web-development files cli cross-platform -schema typescript schema-generator code-generation nodejs

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