Jest test runner (pseudocode)

jest-test-runner-pseudocode.ts

const jestTestRunnerForVSCodeE2E: ITestRunner = {
  run(testsRoot: string, clb: (error: Error, failures?: number) => void): void {
    try {
      const result = runJestTests(configuration);
      if (result.executionError) {
        clb(result.executionError);
      } else {
        clb(undefined, result.numberOfFailedTests);
      }
    } catch (e) {
      clb(e);
    }
  }
};

module.exports = jestTestRunnerForVSCodeE2E;