Ajv $dynamicRef

const Ajv = require("ajv/dist/2020.js") const ajv = new Ajv() const data = { "name": "limit", "in": "query", "description": "How many items to return at one time (max 100)", "required": false, "schema": { "type": "integer", "format": "int32" } } const validator = ajv.compile( { "type": "object", "properties": { "name": { "type": "string" }, "in": { "enum": [ "query", "header", "path", "cookie" ] }, "description": { "type": "string" }, "required": { "default": false, "type": "boolean" }, "deprecated": { "default": false, "type": "boolean" }, "allowEmptyValue": { "default": false, "type": "boolean" }, "schema": { "$dynamicRef": "#meta" }, "content": { "type": "object" } }, "required": [ "in" ], "oneOf": [ { "required": [ "schema" ] }, { "required": [ "content" ] } ] } ) const result = { result: validator(data) } console.log(result, validator.errors)