jsonpolice

A JSON Schema validator library supporting Draft 7, 2019-09, and 2020-12 with automatic version detection, default values, property filtering, and external reference resolution. Version 13.0.0 requires Node.js >= 18.17.0 and is pure ESM. Key differentiators include context-aware read/write support, minimal dependencies (jsonref and lodash), full TypeScript definitions, and extensibility via custom validators. Released under MIT license by Vivocha.