👨🏻‍🚒Asynchronous JavaScript(3) - Promise, async & await

const printString = string => {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      console.log(string)
      resolve()
    }, Math.floor(Math.random() * 100) + 1)
  })
}

const printAll = () => {
  printString('A')
    .then(() => {
      return printString('B')
    })
    .then(() => {
      return printString('C')
    })
}
printAll()

function gotoCodestates() {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('1. go to codestates')
    }, Math.floor(Math.random() * 100) + 1)
  })
}

function sitAndCode() {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('2. sit and code')
    }, Math.floor(Math.random() * 100) + 1)
  })
}

function eatLunch() {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('3. eat lunch')
    }, Math.floor(Math.random() * 100) + 1)
  })
}

function goToBed() {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('4. goToBed')
    }, Math.floor(Math.random() * 100) + 1)
  })
}

gotoCodestates().then(data => {
  console.log(data)

  sitAndCode().then(data => {
    console.log(data)

    eatLunch().then(data => {
      console.log(data)

      goToBed().then(data => {
        console.log(data)
      })
    })
  })
})

function gotoCodestates() {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('1. go to codestates')
    }, Math.floor(Math.random() * 100) + 1)
  })
}

function sitAndCode() {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('2. sit and code')
    }, Math.floor(Math.random() * 100) + 1)
  })
}

function eatLunch() {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('3. eat lunch')
    }, Math.floor(Math.random() * 100) + 1)
  })
}

function goToBed() {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('4. goToBed')
    }, Math.floor(Math.random() * 100) + 1)
  })
}

gotoCodestates()
  .then(data => {
    console.log(data)
    return sitAndCode()
  })
  .then(data => {
    console.log(data)
    return eatLunch()
  })
  .then(data => {
    console.log(data)
    return goToBed()
  })
  .then(data => {
    console.log(data)
  })

function gotoCodestates() {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('1. go to codestates')
    }, Math.floor(Math.random() * 100) + 1)
  })
}

function sitAndCode() {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('2. sit and code')
    }, Math.floor(Math.random() * 100) + 1)
  })
}

function eatLunch() {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('3. eat lunch')
    }, Math.floor(Math.random() * 100) + 1)
  })
}

function goToBed() {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve('4. goToBed')
    }, Math.floor(Math.random() * 100) + 1)
  })
}

const result = async () => {
  const one = await gotoCodestates()
  console.log(one)

  const two = await sitAndCode()
  console.log(two)

  const three = await eatLunch()
  console.log(three)

  const four = await goToBed()
  console.log(four)
}

result()