chaos-injector/middlewares/responseDelay.js

Chaos engineering middleware for testing API resilience

// ChaosInjector/middlewares/responseDelay.js

function responseDelay(options = {}) {
  const { delayRange = [100, 2000] } = options;
  const [minDelay, maxDelay] = delayRange;

  return function(req, res, next) {
    const delay = Math.floor(Math.random() * (maxDelay - minDelay + 1)) + minDelay;
    setTimeout(() => {
      next();
    }, delay);
  };
}

module.exports = responseDelay;