JSON Schema Circular $Refs

circular-refs.js

{
  "definitions": {
    "thing": {
      "$ref": "#/definitions/thing"               // circular reference to self
    }, 
    "person": {
      "properties": {
        "name": {
          "type": "string"
        },
        "spouse": {
          "type": {
            "$ref": "#/definitions/person"        // circular reference to parent
          }
        }
      }
    }, 
    "parent": {
      "properties": {
        "name": {
          "type": "string"
        }, 
        "children": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/child"         // indirect circular reference
          } 
        }
      }
    }, 
    "child": {
      "properties": {
        "name": {
          "type": "string"
        },
        "parents": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/parent"        // indirect circular refernece
          }
        }
      }
    }
  }
}