Not assignable to type MockArrayResponse

[matttk]

I updated to v2.1.0 today and now I am getting multiple compile errors with "not assignable to type MockArrayResponse". I see from the releases page that MockResponse types have been added.

The problem is that I have some helper functions that return some responses.

e.g.

function getResponse(config: AxiosRequestConfig) {
  // blah blah
  
  return [
    200,
    {
      // etc.
    }
  ];
}

If I simply add : [number, { [key: string]: unknown }] as a return type for the above function, the compile error goes away. Without it, typescript automatically assumes the type is Array<number | { /* object description here */ }>, which is not accepted.

If I just copy and paste MockArrayResponse into the file, everything compiles just fine. Is there any reason not to export this type?

[matttk]

Hmmm... I fixed the version to 2.0.0 and still have the issue, but I was also updating TypeScript to 5.6.3. When I revert that back to 5.6.2, it works fine, so I'm assuming the problem is actually due to some TS changes.

Nevertheless, having an response type would help here.

[tolluset]

I met same isseue.

So I declared CallbackResponseSpecFunc's return type. Like below.

/* eslint-disable @typescript-eslint/no-explicit-any */

import { AxiosRequestConfig } from 'axios';
import MockAdapter from 'axios-mock-adapter';

declare module 'axios-mock-adapter' {
  interface AxiosHeaders {
    [key: string]: string | number | boolean | null | undefined;
  }

  type MockArrayResponse = [status: number, data?: any, headers?: AxiosHeaders];

  type MockObjectResponse = {
    status: number;
    data: any;
    headers?: AxiosHeaders;
    config?: AxiosRequestConfig;
  };

  type MockResponse = MockArrayResponse | MockObjectResponse;

  type CallbackResponseSpecFunc = (
    config: AxiosRequestConfig,
  // add any[] and Promise<any[]>
  ) => MockResponse | Promise<MockResponse> | any[] | Promise<any[]>; 

  type ResponseSpecFunc = <T = any>(
    statusOrCallback: number | CallbackResponseSpecFunc,
    data?: T,
    headers?: AxiosHeaders,
  ) => MockAdapter;
}