• jest.bench.config.js
  • export default {
      // Jest-bench need its own test environment to function
      testEnvironment: "jest-bench/environment",
      testEnvironmentOptions: {
        // still Jest-bench environment will run your environment if you specify it here
        testEnvironment: "jest-environment-node",
        testEnvironmentOptions: {
          // specify any option for your environment
        },
      },
      // always include "default" reporter along with Jest-bench reporter
      // for error reporting
      reporters: ["default", "jest-bench/reporter"],
      // will pick up "*.bench.js" file.
      testRegex: "(\\.bench)\\.(ts|tsx|js)$",
    };