For: https://github.com/geraintluff/tv4/issues/8

example-data.json

{
    "responseStatus": {
        "status": "success",
        "message": "This is a valid message"
    },
    "data": {
        "total": 2,
        "collection": [
            {
                "id": 1,
                "name": "Folder",
                "type": "folder",
                "children": [
                    {
                        "id": 22,
                        "name": "File",
                        "type": "file",
                        "children": []
                    }
                ]
            },
            {
                "id": 2,
                "name": "File b",
                "type": "file",
                "children": [
                    {
                        "id": 8,
                        "name": "File b",
                        "type": "file",
                        "children": []
                    }
                ]
            }
        ]
    }
}

example-schema.json

{
    "type": "object",
    "properties": {
        "data": {
            "type": "object",
            "id": "#data",
            "required": [
                "collection",
                "total"
            ],
            "properties": {
                "total": {
                    "type": "number",
                    "id": "#total",
                    "minimum": 0
                },
                "collection": {
                    "type": "array",
                    "id": "#collection",
                    "items": {
                        "type": "object",
                        "id": "#node",
                        "required": [
                            "id",
                            "name",
                            "type"
                        ],
                        "properties": {
                            "id": {
                                "type": "number",
                                "id": "#id",
                                "minimum": 0
                            },
                            "name": {
                                "type": "string",
                                "id": "#name"
                            },
                            "type": {
                                "type": "string",
                                "id": "#type"
                            },
                            "children": {
                                "type": "array",
                                "items": {
                                    "$ref": "#node"
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}