{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$id": "/misc/open_graph.json",
    "description": "Open Graph metadata\nhttps://hexo.io/docs/helpers.html#open-graph",
    "type": "object",
    "properties": {
        "title": {
            "type": "string",
            "description": "Page title (og:title)"
        },
        "type": {
            "type": "string",
            "description": "Page type (og:type)",
            "default": "blog"
        },
        "url": {
            "type": "string",
            "description": "Page URL (og:url)"
        },
        "image": {
            "type": [
                "string",
                "array"
            ],
            "description": "Page cover (og:image)",
            "items": {
                "type": "string"
            }
        },
        "site_name": {
            "type": "string",
            "description": "Site name (og:site_name)"
        },
        "description": {
            "type": "string",
            "description": "Page description (og:description)"
        },
        "twitter_card": {
            "type": "string",
            "description": "Twitter card type (twitter:card)"
        },
        "twitter_id": {
            "type": "string",
            "description": "Twitter ID (twitter:creator)"
        },
        "twitter_site": {
            "type": "string",
            "description": "Twitter ID (twitter:creator)"
        },
        "google_plus": {
            "type": "string",
            "description": "Google+ profile link (deprecated)"
        },
        "fb_admins": {
            "type": "string",
            "description": "Facebook admin ID"
        },
        "fb_app_id": {
            "type": "string",
            "description": "Facebook App ID"
        }
    }
}