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12 lines
1.8 KiB
Markdown
12 lines
1.8 KiB
Markdown
# Changelog
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## [Unreleased]
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### Added
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- Initial release: `compile(schema, options)` validates JSON Schema drafts 2020-12 and 7 without `eval` or `new Function`, compiling a schema once into plain closures. `Validator.check` is the boolean check (a type guard for schemas built with the builders), `Validator.errors` reports each failure with a JSON Pointer path. Format checks are in the optional `@earendil-works/pi-schema/formats` entry point.
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- Schema builders (`str`, `num`, `int`, `bool`, `nul`, `unknown`, `lit`, `oneOf`, `obj`, `opt`, `arr`, `tuple`, `map`, `union`, `nullable`, `bytes`) that return plain JSON Schema typed with the values it accepts (`Static<typeof schema>`).
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- `compile(schema, { coerce: true })` adds `coerce(value)` and `parse(value)` for loosely typed input such as a model's tool call arguments: optional `null`s dropped, TypeBox 1.3.27's `Value.Convert` rules keyed on JSON Schema keywords (numeric strings, `"true"`, single values to arrays, `const`/`enum` members, union branches), then Ajv-style primitive coercion by `type`. `coerce` copies only the paths it changes and returns the input itself when nothing changes; `parse` coerces, then checks. Validators compiled without the option have neither; the README lists every rule.
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- `unresolvedRefs: "reject"` compiles a `$ref` that names nothing as `false` (the error is `unresolved reference <ref>`) instead of throwing, for schemas whose references may dangle.
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- `formats` also checks `url` and `json-pointer-uri-fragment`, as TypeBox and ajv-formats do.
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- `npm run bench` compares conformance, speed (with and without eval), setup cost, memory and bundle size with ata-validator (generated code and its interpreter), Ajv, Zod (native schemas, and `z.fromJSONSchema` for the test suite), TypeBox, @cfworker/json-schema and omptype.
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