import NodeEnvironment from 'jest-environment-node';
import fetch, {Headers, Request, Response} from "node-fetch";

export default class FixGlobalsEnvironment extends NodeEnvironment {
    constructor(...args) {
        super(...args);

        this.global.fetch = fetch;
        this.global.Headers = Headers;
        this.global.Request = Request;
        this.global.Response = Response;
    }
}

Error [ERR_REQUIRE_ESM]: require() of ES Module /home/joy/.../node_modules/node-fetch/src/index.js from /home/joy/.../tests/config/FixGlobalsEnvironment.js not supported.
    Instead change the require of index.js in /home/joy/.../tests/config/FixGlobalsEnvironment.js to a dynamic import() which is available in all CommonJS modules.

       6 |         super(...args);
       7 |
    >  8 |         this.global.fetch = fetch;
         |                                          ^
       9 |         this.global.Headers = Headers;
      10 |         this.global.Request = Request;
      11 |         this.global.Response = Response;