{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/philadelphia-inquirer/main/json-schema/sitemap-url-schema.json",
  "title": "Philadelphia Inquirer Sitemap URL",
  "description": "A single URL entry in an Inquirer.com XML sitemap.",
  "type": "object",
  "properties": {
    "loc": {
      "type": "string",
      "format": "uri"
    },
    "lastmod": {
      "type": "string",
      "format": "date-time"
    },
    "changefreq": {
      "type": "string",
      "enum": ["always", "hourly", "daily", "weekly", "monthly", "yearly", "never"]
    },
    "priority": {
      "type": "number",
      "minimum": 0,
      "maximum": 1
    },
    "image": {
      "type": "object",
      "properties": {
        "loc": { "type": "string", "format": "uri" },
        "caption": { "type": "string" }
      }
    }
  },
  "required": ["loc"]
}