codecombat/app/schemas/metaschema.coffee

# The JSON Schema Core/Validation Meta-Schema, but with titles and descriptions added to make it easier to edit in Treema, and in CoffeeScript

module.exports =
  id: "metaschema"
  displayProperty: "title"
  $schema: "http://json-schema.org/draft-04/schema#"
  title: "Schema"
  description: "Core schema meta-schema"
  definitions:
    schemaArray:
      type: "array"
      minItems: 1
      items: { $ref: "#" }
      title: "Array of Schemas"
      "default": [{}]
    positiveInteger:
      type: "integer"
      minimum: 0
      title: "Positive Integer"
    positiveIntegerDefault0:
      allOf: [ { $ref: "#/definitions/positiveInteger" }, { "default": 0 } ]
    simpleTypes:
      title: "Single Type"
      "enum": [ "array", "boolean", "integer", "null", "number", "object", "string" ]
    stringArray:
      type: "array"
      items: { type: "string" }
      minItems: 1
      uniqueItems: true
      title: "String Array"
      "default": ['']
  type: "object"
  properties:
    id:
      type: "string"
      format: "uri"
    $schema:
      type: "string"
      format: "uri"
      "default": "http://json-schema.org/draft-04/schema#"
    title:
      type: "string"
    description:
      type: "string"
    "default": {}
    multipleOf:
      type: "number"
      minimum: 0
      exclusiveMinimum: true
    maximum:
      type: "number"
    exclusiveMaximum:
      type: "boolean"
      "default": false
    minimum:
      type: "number"
    exclusiveMinimum:
      type: "boolean"
      "default": false
    maxLength: { $ref: "#/definitions/positiveInteger" }
    minLength: { $ref: "#/definitions/positiveIntegerDefault0" }
    pattern:
      type: "string"
      format: "regex"
    additionalItems:
      anyOf: [
        { type: "boolean", "default": false }
        { $ref: "#" }
      ]
    items:
      anyOf: [
        { $ref: "#" }
        { $ref: "#/definitions/schemaArray" }
      ]
      "default": {}
    maxItems: { $ref: "#/definitions/positiveInteger" }
    minItems: { $ref: "#/definitions/positiveIntegerDefault0" }
    uniqueItems:
      type: "boolean"
      "default": false
    maxProperties: { $ref: "#/definitions/positiveInteger" }
    minProperties: { $ref: "#/definitions/positiveIntegerDefault0" }
    required: { $ref: "#/definitions/stringArray" }
    additionalProperties:
      anyOf: [
        { type: "boolean", "default": true }
        { $ref: "#" }
      ]
      "default": {}
    definitions:
      type: "object"
      additionalProperties: { $ref: "#" }
      "default": {}
    properties:
      type: "object"
      additionalProperties: { $ref: "#" }
      "default": {}
    patternProperties:
      type: "object"
      additionalProperties: { $ref: "#" }
      "default": {}
    dependencies:
      type: "object"
      additionalProperties:
        anyOf: [
          { $ref: "#" }
          { $ref: "#/definitions/stringArray" }
        ]
    "enum":
      type: "array"
      minItems: 1
      uniqueItems: true
      "default": ['']
    type:
      anyOf: [
        { $ref: "#/definitions/simpleTypes" }
        {
          type: "array"
          items: { $ref: "#/definitions/simpleTypes" }
          minItems: 1
          uniqueItems: true
          title: "Array of Types"
          "default": ['string']
        }]
    allOf: { $ref: "#/definitions/schemaArray" }
    anyOf: { $ref: "#/definitions/schemaArray" }
    oneOf: { $ref: "#/definitions/schemaArray" }
    not: { $ref: "#" }
  dependencies:
    exclusiveMaximum: [ "maximum" ]
    exclusiveMinimum: [ "minimum" ]
  "default": {}