@stryker-mutator/jest-runner/src/jest-plugins/import-jest-environment.cts

A plugin to use the jest test runner and framework in Stryker, the JavaScript mutation testing framework

import type { JestEnvironment } from '@jest/environment';

import { state } from './messaging.cjs';

export function loadJestEnvironment(name: string): typeof JestEnvironment {
  // eslint-disable-next-line @typescript-eslint/no-require-imports
  const jestEnvironmentModule = require(require.resolve(name, { paths: [state.resolveFromDirectory] }));

  return jestEnvironmentModule.default ?? jestEnvironmentModule;
}