Generators: random numbers

number.ts

function random(max: number) {
  return Math.floor(Math.random() * max)
}

function* numberGenerator(limit: number) {
  let current = 0;
  let attempts = 0
  try {
    while(current <= limit) {
      current = random(7);
      attempts++;
      yield { current, attempts };
    }
  } finally {
    console.log(`It took ${attempts} attempts to get a random number greater than ${limit}.`);
    console.log(`The final number was ${current}`);
    yield  { current, attempts };
  }
}

const numberGen = numberGenerator(5);
let result = numberGen.next();
while(!result.done) {
  console.log(result.value);
  result = numberGen.next();
}