How to create a type from json or jsonschema?
Thanks for this great library first!
If a type can be serialized to an arktype schema by .toJSON (or a json schema by .toJsonSchema), how can I re-create that type with the json data?
Another question, how can I check if an arktype schema extends another arktype schema?
Thanks!
4 Replies
JSON Schema to ArkType is something I've actually got a PR up for that'll hopefully be merged soon™️. https://github.com/arktypeio/arktype/pull/1159
There is
rootSchema from @ark/schema, which converts the ArkType internal schema (from type.toJSON() ig?) (the thing that looks like {domain: "number"} for type("number")) into an actual ArkType type. It obviously won't work for non-json-serialisable types like things with morphs etc. thoughGitHub
feat: support JSON Schema as input for a Type by TizzySaurus · Pul...
Closes #729.
What
This PR adds @ark/jsonschema, which is a library enabling users to convert a valid JSON Schema schema into an ArkType type.
API
Below is a basic sample-use of @ark/jsonschema:
imp...
I believe
type.json is what gives the internal schema I'm referring to. Not sure if that's the same as type.toJSON() (can't remember what that does, and I don't see it in the docs)import { type } from "arktype";
import { schemaScope, rootSchema } from "@arktype/schema";
const bounded = type({
nonEmpty: "string > 0",
atLeastLength3: "string.alphanumeric >= 3",
lessThanLength10: "string < 10",
atMostLength5: "string <= 5",
});
const bounded2 = rootSchema(bounded.json as any);
const types = schemaScope({
bounded: bounded.json as any,
}).export();
const bounded3 = types.bounded;
console.log(bounded2.extends(bounded));
// true
console.log(bounded.extends(bounded2));
// true
console.log(bounded3.extends(bounded));
// true
console.log(bounded.extends(bounded3));
// true
It works! Thanks!
Keep in mind this will not work yet if it includes non-serializable conditions like custom functions