api.yml

openapi: "3.0.1"

info:
  title: openapi-typescript-7
  version: 1.0.0

paths:
  /:
    get:
      responses:
        "200":
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Product'

components:
  schemas:
    Product:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
      required:
        - id
        - name

    PurchasableProduct:
      allOf:
        - $ref: '#/components/schemas/Product'
        - type: object
          properties:
            price:
              $ref: '#/components/schemas/Price'
          required:
            - price

    Price:
      type: object
      properties:
        value:
          type: number
        currency:
          type: string
      required:
        - value
        - currency