jest-environment-fail-fast.js

// Based on https://github.com/facebook/jest/issues/6527#issuecomment-760092817

const ParentEnvironment = require('jest-environment-node');

class JestEnvironmentFailFast extends ParentEnvironment {
  failedTest = false;

  async handleTestEvent(event, state) {
    if (event.name === 'hook_failure' || event.name === 'test_fn_failure') {
      this.failedTest = true;
    } else if (this.failedTest && event.name === 'test_start') {
      event.test.mode = 'skip';
    }

    if (super.handleTestEvent) {
      await super.handleTestEvent(event, state);
    }
  }
}

module.exports = JestEnvironmentFailFast;