{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "id": "https://frontastic.cloud/json/cellSchema",
    "title": "Node Schema",
    "description": "Meta Schema For Cell Configuration Schema",
    "type": "object",
    "properties": {
        "schema": {
            "allOf": [
                { "$ref": "https://frontastic.cloud/json/library/common#/definitions/schema" },

                {
                    "$comment": "Fields 'size', 'mobile', 'tablet' & 'desktop' are reserved in cell configuration.",
                    "type": "array",
                    "items": {
                        "type": "object",
                        "properties": {
                            "fields": {
                                "type": "array",
                                "items": {
                                    "type": "object",
                                    "properties": {
                                        "field": {
                                            "not": {
                                                "enum": ["size", "mobile", "tablet", "desktop"]
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            ]
        }
    },
    "required": ["schema"]
}