JTD JSON Schema Draft

jtd.schema.json

{
  "type": "object",
  "$ref": "#/$defs/anyForm",
  "properties": {
    "definitions": {
      "type": "object",
      "additionalProperties": { "$ref": "#/$defs/anyForm" }
    }
  },
  "$defs": {
    "anyForm": {
      "type": "object",
      "oneOf": [
        { "$ref": "#/$defs/emptyForm" },
        { "$ref": "#/$defs/typeForm" },
        { "$ref": "#/$defs/enumForm" },
        { "$ref": "#/$defs/elementsForm" },
        { "$ref": "#/$defs/propertiesForm" },
        { "$ref": "#/$defs/valuesForm" },
        { "$ref": "#/$defs/discriminatorForm" },
        { "$ref": "#/$defs/refForm" }
      ],
      "properties": {
        "nullable": { "type": "boolean" },
        "metadata": { "type": "object" }
      }
    },
    "emptyForm": { 
      "type": "object"
    },
    "typeForm": {
      "properties": {
        "type": {
          "enum": [ "boolean", "string", "timestamp", "float32", "float64", "int8", "uint8", "int16", "uint16", "int32", "uint32" ]
        }
      },
      "required": [ "type" ]
    },
    "enumForm": {
      "properties": {
        "enum": { 
          "type": "array",
          "items": { "type": "string" }
        }
      },
      "required": [ "enum" ]
    },
    "elementsForm": {
      "properties": {
        "elements": { "$ref": "#/$defs/anyForm" }
      },
      "required": [ "elements" ]
    },
    "propertiesForm": {
      "properties": {
        "properties": {
          "type": "object",
          "additionalProperties": { "$ref": "#/$defs/anyForm" }
        },
        "optionalProperties": {
          "type": "object",
          "additionalProperties": { "$ref": "#/$defs/anyForm" }
        },
        "additionalProperties": { "type": "boolean" }
      },
      "required": [ "properties" ]
    },
    "valuesForm": {
      "properties": {
        "values": { "$ref": "#/$defs/anyForm" }
      },
      "required": [ "values" ]
    },
    "discriminatorForm": {
      "properties": {
        "discriminator": { "type": "string" },
        "mapping": {
          "type": "object",
          "additionalProperties": { "$ref": "#/$defs/propertiesForm" }
        }
      },
      "required": [ "discriminator", "mapping" ]
    },
    "refForm": {
      "properties": {
        "ref": { "type": "string" }
      },
      "required": [ "ref" ]
    }
  }
}