index.json

{
  "type": "object",
  "required": [
    "publisher",
    "name",
    "version",
    "license",
    "content"
  ],
  "properties": {
    "publisher": {
      "type": "string",
      "pattern": "^\\S.*\\S$"
    },
    "name": {
      "type": "string",
      "pattern": "^\\S.*\\S$"
    },
    "version": {
      "type": "string",
      "pattern": "^(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)(-[1-9][0-9]*)?$"
    },
    "published": {
      "type": "string",
      "format": "date"
    },
    "license": {
      "oneOf": [
        {
          "enum": [
            "CC0-1.0"
          ]
        },
        {
          "type": "string",
          "format": "url"
        }
      ]
    },
    "content": {
      "type": "array",
      "minItems": 1
    },
    "notes": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "string",
        "pattern": "^\\S.*\\S$"
      }
    }
  },
  "additionalProperties": false
}