OpenApi TS Inheritance Generator Bug

Boat.ts

/* tslint:disable */
/* eslint-disable */
/**
 * OpenApiBug
 * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
 *
 * The version of the OpenAPI document: 1.0
 * 
 *
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */

import { exists, mapValues } from '../runtime';
import type { Vehicle } from './Vehicle';
import {
    VehicleFromJSON,
    VehicleFromJSONTyped,
    VehicleToJSON,
} from './Vehicle';

/**
 * 
 * @export
 * @interface Boat
 */
export interface Boat extends Vehicle {
    /**
     * 
     * @type {number}
     * @memberof Boat
     */
    speedKnotsPerHour?: number;
    /**
     * 
     * @type {number}
     * @memberof Boat
     */
    draft?: number;
    /**
     * 
     * @type {string}
     * @memberof Boat
     */
    readonly type?: string | null;
}

/**
 * Check if a given object implements the Boat interface.
 */
export function instanceOfBoat(value: object): boolean {
    let isInstance = true;

    return isInstance;
}

export function BoatFromJSON(json: any): Boat {
    return BoatFromJSONTyped(json, false);
}

export function BoatFromJSONTyped(json: any, ignoreDiscriminator: boolean): Boat {
    if ((json === undefined) || (json === null)) {
        return json;
    }
    return {
        ...VehicleFromJSONTyped(json, ignoreDiscriminator),
        'speedKnotsPerHour': !exists(json, 'speedKnotsPerHour') ? undefined : json['speedKnotsPerHour'],
        'draft': !exists(json, 'draft') ? undefined : json['draft'],
        'type': !exists(json, 'type') ? undefined : json['type'],
    };
}

export function BoatToJSON(value?: Boat | null): any {
    if (value === undefined) {
        return undefined;
    }
    if (value === null) {
        return null;
    }
    return {
        ...VehicleToJSON(value),
        'speedKnotsPerHour': value.speedKnotsPerHour,
        'draft': value.draft,
    };
}

Car.ts

/* tslint:disable */
/* eslint-disable */
/**
 * OpenApiBug
 * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
 *
 * The version of the OpenAPI document: 1.0
 * 
 *
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */

import { exists, mapValues } from '../runtime';
import type { Vehicle } from './Vehicle';
import {
    VehicleFromJSON,
    VehicleFromJSONTyped,
    VehicleToJSON,
} from './Vehicle';

/**
 * 
 * @export
 * @interface Car
 */
export interface Car extends Vehicle {
    /**
     * 
     * @type {number}
     * @memberof Car
     */
    speedKilometersPerHour?: number;
    /**
     * 
     * @type {string}
     * @memberof Car
     */
    readonly type?: string | null;
}

/**
 * Check if a given object implements the Car interface.
 */
export function instanceOfCar(value: object): boolean {
    let isInstance = true;

    return isInstance;
}

export function CarFromJSON(json: any): Car {
    return CarFromJSONTyped(json, false);
}

export function CarFromJSONTyped(json: any, ignoreDiscriminator: boolean): Car {
    if ((json === undefined) || (json === null)) {
        return json;
    }
    return {
        ...VehicleFromJSONTyped(json, ignoreDiscriminator),
        'speedKilometersPerHour': !exists(json, 'speedKilometersPerHour') ? undefined : json['speedKilometersPerHour'],
        'type': !exists(json, 'type') ? undefined : json['type'],
    };
}

export function CarToJSON(value?: Car | null): any {
    if (value === undefined) {
        return undefined;
    }
    if (value === null) {
        return null;
    }
    return {
        ...VehicleToJSON(value),
        'speedKilometersPerHour': value.speedKilometersPerHour,
    };
}

GetVehicles200ResponseInner.ts

/* tslint:disable */
/* eslint-disable */
/**
 * OpenApiBug
 * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
 *
 * The version of the OpenAPI document: 1.0
 * 
 *
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */

import {
    Boat,
    instanceOfBoat,
    BoatFromJSON,
    BoatFromJSONTyped,
    BoatToJSON,
} from './Boat';
import {
    Car,
    instanceOfCar,
    CarFromJSON,
    CarFromJSONTyped,
    CarToJSON,
} from './Car';

/**
 * @type GetVehicles200ResponseInner
 * 
 * @export
 */
export type GetVehicles200ResponseInner = Boat | Car;

export function GetVehicles200ResponseInnerFromJSON(json: any): GetVehicles200ResponseInner {
    return GetVehicles200ResponseInnerFromJSONTyped(json, false);
}

export function GetVehicles200ResponseInnerFromJSONTyped(json: any, ignoreDiscriminator: boolean): GetVehicles200ResponseInner {
    if ((json === undefined) || (json === null)) {
        return json;
    }
    return { ...BoatFromJSONTyped(json, true), ...CarFromJSONTyped(json, true) };
}

export function GetVehicles200ResponseInnerToJSON(value?: GetVehicles200ResponseInner | null): any {
    if (value === undefined) {
        return undefined;
    }
    if (value === null) {
        return null;
    }

    if (instanceOfBoat(value)) {
        return BoatToJSON(value as Boat);
    }
    if (instanceOfCar(value)) {
        return CarToJSON(value as Car);
    }

    return {};
}

swagger.json

{
  "openapi": "3.0.1",
  "info": {
    "title": "OpenApiBug",
    "version": "1.0"
  },
  "paths": {
    "/vehicles": {
      "get": {
        "tags": [
          "OpenApiBug"
        ],
        "operationId": "GetVehicles",
        "responses": {
          "200": {
            "description": "Success",
            "content": {
              "application/json": {
                "schema": {
                  "type": "array",
                  "items": {
                    "oneOf": [
                      {
                        "$ref": "#/components/schemas/Car"
                      },
                      {
                        "$ref": "#/components/schemas/Boat"
                      }
                    ]
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "Boat": {
        "type": "object",
        "allOf": [
          {
            "$ref": "#/components/schemas/Vehicle"
          }
        ],
        "properties": {
          "speedKnotsPerHour": {
            "type": "number",
            "format": "double"
          },
          "draft": {
            "type": "number",
            "format": "double"
          },
          "type": {
            "type": "string",
            "nullable": true,
            "readOnly": true
          }
        },
        "additionalProperties": false
      },
      "Car": {
        "type": "object",
        "allOf": [
          {
            "$ref": "#/components/schemas/Vehicle"
          }
        ],
        "properties": {
          "speedKilometersPerHour": {
            "type": "number",
            "format": "double"
          },
          "type": {
            "type": "string",
            "nullable": true,
            "readOnly": true
          }
        },
        "additionalProperties": false
      },
      "Vehicle": {
        "required": [
          "type"
        ],
        "type": "object",
        "properties": {
          "type": {
            "type": "string",
            "nullable": true,
            "readOnly": true
          },
          "id": {
            "type": "integer",
            "format": "int32"
          }
        },
        "additionalProperties": false,
        "discriminator": {
          "propertyName": "type",
          "mapping": {
            "car": "#/components/schemas/Car",
            "boat": "#/components/schemas/Boat"
          }
        }
      }
    }
  }
}

Vehicle.ts

/* tslint:disable */
/* eslint-disable */
/**
 * OpenApiBug
 * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
 *
 * The version of the OpenAPI document: 1.0
 * 
 *
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */

import { exists, mapValues } from '../runtime';
import {
     BoatFromJSONTyped,
     CarFromJSONTyped
} from './';

/**
 * 
 * @export
 * @interface Vehicle
 */
export interface Vehicle {
    /**
     * 
     * @type {string}
     * @memberof Vehicle
     */
    readonly type: string | null;
    /**
     * 
     * @type {number}
     * @memberof Vehicle
     */
    id?: number;
}

/**
 * Check if a given object implements the Vehicle interface.
 */
export function instanceOfVehicle(value: object): boolean {
    let isInstance = true;
    isInstance = isInstance && "type" in value;

    return isInstance;
}

export function VehicleFromJSON(json: any): Vehicle {
    return VehicleFromJSONTyped(json, false);
}

export function VehicleFromJSONTyped(json: any, ignoreDiscriminator: boolean): Vehicle {
    if ((json === undefined) || (json === null)) {
        return json;
    }
    if (!ignoreDiscriminator) {
        if (json['type'] === 'boat') {
            return BoatFromJSONTyped(json, true);
        }
        if (json['type'] === 'car') {
            return CarFromJSONTyped(json, true);
        }
    }
    return {
        
        'type': json['type'],
        'id': !exists(json, 'id') ? undefined : json['id'],
    };
}

export function VehicleToJSON(value?: Vehicle | null): any {
    if (value === undefined) {
        return undefined;
    }
    if (value === null) {
        return null;
    }
    return {
        
        'id': value.id,
    };
}