A tool to Convert JSON schemas into TypeScript Deno classes
Hello all To preface this is just something I've been making as a learning exercise, so all feedback is appreciated. This is a tool that converts JSON schemas into TypeScript utility classes for use in Deno. Automatic Type Generation: Typescript interfaces for the compressed and uncompressed versions of your data. Compression & Decompression: Compress and decompress your data. Validation: Built-in data validation using Ajv ensures your data adheres to the schema. Reusability: Once generated, the utility classes can be used in other Deno projects. It currently only supports a subset of JSON…
In plain words
This tool converts JSON schemas into TypeScript utility classes for use in Deno projects. It automatically generates TypeScript interfaces for compressed and uncompressed data versions, includes built-in compression, decompression, and validation features using Ajv, and allows generated classes to be reused across Deno projects. Currently supporting a subset of JSON schema features, it was created as a learning exercise to streamline structured data handling with language models.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hello all To preface this is just something I've been making as a learning exercise, so all feedback is appreciated. This is a tool that converts JSON schemas into TypeScript utility classes for use in Deno. Automatic Type Generation: Typescript interfaces for the compressed and uncompressed versions of your data. Compression & Decompression: Compress and decompress your data. Validation: Built-in data validation using Ajv ensures your data adheres to the schema. Reusability: Once generated, the utility classes can be used in other Deno projects. It currently only supports a subset of JSON schema features. I'll eventually hope to expand it to support more features. Reasons behind the project: I have been working with OpenAI LLMs recently and I like to get my data output in structured JSON. I realised it's rather good at taking a schema where properties are compressed within an instruction, and then in return it return data based on the compressed schema. These utility classes provide help with the validation, decompression etc.
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