Animals with additionalProperties: false

animals.json

{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "oneOf": [
        {
            "description": "a single animal",
            "$ref": "#/definitions/animal"
        },
        {
            "description": "a collection of animals",
            "type": "array",
            "minItems": 1,
            "uniqueItems": true,
            "items": { "$ref": "#/definitions/animal" }
        }
    ],
    "definitions": {
        "common": {
            "type": "object",
            "required": [ "type", "name" ],
            "properties": {
                "name": { "type": "string" }
            },
            "additionalProperties": false
        },
        "cat": {
            "patch": { "$ref": "#/definitions/common" },
            "with": [
                {
                    "op": "add",
                    "path": "/properties/type",
                    "value": { "enum": [ "cat" ] }
                },
                {
                    "op": "replace",
                    "path": "/required",
                    "value": [ "type", "name", "favoriteToy" ]
                },
                {
                    "op": "add",
                    "path": "/properties/favoriteToy",
                    "value": { "type": "string" }
                }
            ]
        },
        "dog": {
            "patch": { "$ref": "#/definitions/common" },
            "with": [
                {
                    "op": "add",
                    "path": "/properties/type",
                    "value": { "enum": [ "dog" ] }
                },
                {
                    "op": "replace",
                    "path": "/required",
                    "value": [ "type", "name", "breed", "leashColor" ]
                },
                {
                    "op": "add",
                    "path": "/properties/breed",
                    "value": { "type": "string" }
                },
                {
                    "op": "add",
                    "path": "/properties/leashColot",
                    "value": { "type": "string" }
                }
            ]
        },
        "animal": {
            "oneOf": [
                { "$ref": "#/definitions/cat" },
                { "$ref": "#/definitions/dog" }
            ]
        }
    }
}