work-it-do-it-makes-us-stronger.js

gistfile1.txt

const workIt = () => "work it";
const makeIt = () => "make it";
const doIt = () => "do it";
const makesUs = () => "makes us";

function* stepper() {
  yield "harder";
  yield "better";
  yield "faster";
  yield "stronger";
}

const handlers = {
  harder(value) {
    console.log(workIt(), value);
  },
  better(value) {
    console.log(makeIt(), value);
  },
  faster(value) {
    console.log(doIt(), value);
  },
  stronger(value) {
    console.log(makesUs(), value);
  }
};

const printCatchPhrase = value => {
  handlers[value](value);

  switch (value) {
    case "harder":
      console.log(workIt(), value);
      break;
    case "better":
      console.log(makeIt(), value);
      break;
    case "faster":
      console.log(doIt(), value);
      break;
    case "stronger":
      console.log(makesUs(), value);
      break;
    default:
      break;
  }
};

const run = () => {
  let it = stepper();
  let nextItem = it.next();

  while (!nextItem.done) {
    const { value } = nextItem;

    printCatchPhrase(value);

    nextItem = it.next();
  }
};

run();

// nextItem;

// while (!nextItem.done) {
//   const value = nextItem.value();
//   nextItem = iterator.next();
//   console.log(value);
// }

// console.log('a')

// while (nextItem.value()) {
//   const value = nextItem.value();
//   console.log(value);
//   nextItem = stepper.next();
// }

// stepper().next().value;

// switch stepper() {
//   case 'harder':
//     workIt();
//     break;
//   case 'better':
//     makeIt();
//     break;
//   case 'faster':
//     doIt();
//     break;
//   case 'stronger':
//     makesUs();
//     break;
//   default:
//     workIt();
// }