hexo-theme-icarus/include/schema/widget/toc.json

{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$id": "/widget/toc.json",
    "description": "Table of contents widget configurations",
    "type": "object",
    "properties": {
        "type": {
            "type": "string",
            "const": "toc"
        }
    },
    "required": [
        "type"
    ]
}