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Fastify version
4.28.0 (latest)
Plugin version
5.16.1 (latest)
Node.js version
20.11.0 (LTS)
Operating system
macOS Sonoma 14.5
Description
When defining a schema with at least two anyOf fields or oneOf fields with self ref like so :
import fastJson from 'fast-json-stringify';
const schema = {
$schema: 'http://json-schema.org/draft-07/schema#',
type: 'object',
properties: {
field: { type: 'string' },
field1: { anyOf: [{ $ref: '#' }, { type: 'null' }] },
field2: { anyOf: [{ $ref: '#' }, { type: 'null' }] },
},
};
fastJson(schema.valueOf());
I'm getting this following error :
RangeError: Maximum call stack size exceeded
at RefResolver.#addSchema (../../node_modules/.pnpm/json-schema-ref-resolver@1.0.1/node_modules/json-schema-ref-resolver/index.js:143:14)
at RefResolver.#addSchema (../../node_modules/.pnpm/json-schema-ref-resolver@1.0.1/node_modules/json-schema-ref-resolver/index.js:165:24)
at RefResolver.#addSchema (../../node_modules/.pnpm/json-schema-ref-resolver@1.0.1/node_modules/json-schema-ref-resolver/index.js:165:24)
at RefResolver.#addSchema (../../node_modules/.pnpm/json-schema-ref-resolver@1.0.1/node_modules/json-schema-ref-resolver/index.js:165:24)
at RefResolver.#addSchema (../../node_modules/.pnpm/json-schema-ref-resolver@1.0.1/node_modules/json-schema-ref-resolver/index.js:165:24)
at RefResolver.addSchema (../../node_modules/.pnpm/json-schema-ref-resolver@1.0.1/node_modules/json-schema-ref-resolver/index.js:30:20)
at mergeLocations (../../node_modules/.pnpm/fast-json-stringify@5.16.1/node_modules/fast-json-stringify/index.js:433:23)
at buildOneOf (../../node_modules/.pnpm/fast-json-stringify@5.16.1/node_modules/fast-json-stringify/index.js:868:24)
at buildValue (../../node_modules/.pnpm/fast-json-stringify@5.16.1/node_modules/fast-json-stringify/index.js:979:12)
at buildInnerObject (../../node_modules/.pnpm/fast-json-stringify@5.16.1/node_modules/fast-json-stringify/index.js:380:11)
at buildObject (../../node_modules/.pnpm/fast-json-stringify@5.16.1/node_modules/fast-json-stringify/index.js:501:9)
at buildSingleTypeSerializer (../../node_modules/.pnpm/fast-json-stringify@5.16.1/node_modules/fast-json-stringify/index.js:768:24)
at buildValue (../../node_modules/.pnpm/fast-json-stringify@5.16.1/node_modules/fast-json-stringify/index.js:1010:13)
at buildOneOf (../../node_modules/.pnpm/fast-json-stringify@5.16.1/node_modules/fast-json-stringify/index.js:874:26)
at buildValue (../../node_modules/.pnpm/fast-json-stringify@5.16.1/node_modules/fast-json-stringify/index.js:979:12)
at buildInnerObject (../../node_modules/.pnpm/fast-json-stringify@5.16.1/node_modules/fast-json-stringify
(output truncated for readability)
Fastify fails to start when using this schema in routes
Is this kind of schema possible ? in my case, anyOf / oneOf + self reference & null are required.
kukinsula
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mcollina commentedon Jun 21, 2024
Currently this schema is not supported. However it would be cool if it was.
I'm not sure how hard it would be, but if you are willing to give it a shot it would be amazing.
anyOf
) in the schema #762 as a duplicate of this issue