react-native-devtools-frontend/node_modules/workerpool/examples/embeddedWorker/worker.js

// a simple worker

// load workerpool
var workerpool = require('../..');

// a deliberately inefficient implementation of the fibonacci sequence
function fibonacci(n) {
  if (n < 2) return n;
  return fibonacci(n - 2) + fibonacci(n - 1);
}

// create a worker and register public functions
workerpool.worker({
  fibonacci: fibonacci
});