rescript-schema
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6.4.0 • Public • Published

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ReScript Schema

The fastest composable parser/serializer for ReScript (and TypeScript)

⚠️ Be aware that rescript-schema uses eval for parsing. It's usually fine but might not work in some environments like Cloudflare Workers or third-party scripts used on pages with the script-src header.

Highlights:

  • Combines validation and transformation without a performance loss
  • Can transform parsed value back to the initial format (serializing)
  • Works with any Js value, not only Js.Json.t
  • Support for asynchronous transformations
  • Immutable API with both result and exception-based operations
  • Easy to create recursive schema
  • Detailed error messages
  • Opt-in strict mode for object schema to prevent excessive fields and many more built-in helpers
  • Opt-in PPX to generate schema from type
  • Works with plain JavaScript/TypeScript too! You don't need to use ReScript
  • The fastest composable validation library in the entire JavaScript ecosystem (benchmark)
  • Small JS footprint & tree-shakable API (Comparison with Zod and Valibot)

Also, it has declarative API allowing you to use rescript-schema as a building block for other tools, such as:

Documentation

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Install

npm i rescript-schema

Weekly Downloads

494

Version

6.4.0

License

MIT

Unpacked Size

385 kB

Total Files

14

Last publish

Collaborators

  • dzakh