Show that openapi-generator does not honor required properties for typescript-axios; see https://github.com/OpenAPITools/openapi-generator/issues/7930

openapi-generator-required.yaml

openapi: 3.0.2
info:
  title: allOf and requried fields
  description: >-
    demonstrate issues with openapi-generator for typescript-axios for
    schema composition with `allOf` and `required` fields
  version: 0.0.1
  contact:
    name: Apiture
    url: 'https://developer.apiture.com'
servers:
  - url: 'https://example.com.com/issue'
tags:
  - name: example
    description: example
paths:
  /things:
    get:
      description: Get things.
      operationId: getThings
      tags:
        - example
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/things'
components:
  schemas:
    things:
      description: Things
      type: object
      required:
        - thing
        - thatThing
        - otherThing
      allOf:
        - $ref: '#/components/schemas/base'
        - type: object
          properties:
            thing:
              $ref: '#/components/schemas/thing1'
            thatThing:
              $ref: '#/components/schemas/thing3'
            otherThing:
              description: other thing
              readOnly: true
              allOf:
                - $ref: '#/components/schemas/thing2'

    thing1:
      description: Thing1
      allOf:
        - $ref: '#/components/schemas/base'

    thing2:
      description: Thing2
      required:
        - a
        - b
      allOf:
        - $ref: '#/components/schemas/base'

    thing3:
      description: Thing3
      required:
        - a
        - b
      allOf:
        - $ref: '#/components/schemas/thing1'

    msgs:
      description: messages object, a map of string -> msg
      type: object
      additionalProperties:
        $ref: "#/components/schemas/msg"

    msg:
      description: msg
      type: object
      required:
        - message
        - id
      properties:
        message:
          type: string
        id:
          type: string

    base:
      description: Base type.
      type: object
      properties:
        a:
          description: A
          type: string
        b:
          description: B
          type: string
          format: uri
        msgs1:
          description: map of string -> msg
          additionalProperties:
            $ref: "#/components/schemas/msg"
        msgs2:
          $ref: "#/components/schemas/msgs"
      example:
        a: "aaa"
        b: "http://www.example.com"
        msgs1:
          foo:
            message: bar
            id: "123x"
          fu:
            message: barr
            id: "x123"
        msgs2:
          foo_:
            message: bar_
            id: "123x_"
          fu_:
            message: barr_
            id: "x123_"