cranderveldt

const puzzleInput = ``

// Part 1
const parseInput = (input) => {
  return input.split('\n')
}

const parseRecord = (record) => {
  const regex = /(\d+)\-(\d+) ([a-z]): ([a-z]*)/gi
  return [...record.matchAll(regex)][0]

cranderveldt

// Part 1
const input = ``

const findPairsForSum = (numbers, sum) => {
  return numbers.reduce((acc, num1) => {
    if (acc) { return acc }
    const inner = numbers.find((num2) => num1 + num2 === sum)
    if (inner) { return [num1, inner] }
  }, null)
}

cranderveldt

// Part 1
const parseCommand = (opcode) => {
  const str = `${opcode}`
  let modes = []
  if (str.length > 2) {
    opcode = +str.substr(-2)
    modes = str.substr(0, str.length - 2).split('').reverse().map(x => +x)
  }
  return { opcode, modes }
}

cranderveldt

// Part 1
const parseCommand = (opcode) => {
  const str = `${opcode}`
  let modes = []
  if (str.length > 2) {
    opcode = +str.substr(-2)
    modes = str.substr(0, str.length - 2).split('').reverse().map(x => +x)
  }
  return { opcode, modes }
}

cranderveldt

// Part 1
const searchForSatellite = (area, name, payload) => {
  let foundChild = false
  if (typeof area[name] === 'boolean') {
    area[name] = payload
    foundChild = true
    return foundChild
  }
  Object.keys(area).filter(x => typeof area[x] === 'object').forEach(key => {
    foundChild = searchForSatellite(area[key], name, payload) || foundChild

cranderveldt

// Part 1
const isNumberGood = (num) => {
  const digits = num.toString().split('').map(x => +x)
  return digits.every((digit, index, arr) => digit >= (arr[index - 1] || 0)) &&
    digits.some((digit, index, arr) => digit === arr[index - 1])
}

const countPasswordOptions = (input) => {
  const range = input.split('-').map(x => +x)
  let count = 0

cranderveldt

// Part 1
const parsePoint = (move) => {
  const num = parseInt(move.match(/\d+/gi), 10)
  switch(move[0]) {
    case 'R': return { num, axis: 'x' }
    case 'L': return { num: num * -1, axis: 'x' }
    case 'D': return { num, axis: 'y' }
    case 'U': return { num: num * -1, axis: 'y' }
  }
}

cranderveldt

// Part 1
const handleInstruction = ([command, src1, src2, dest], integers) => {
  switch(command) {
    case 1:
      integers[dest] = integers[src1] + integers[src2]
      break
    case 2:
      integers[dest] = integers[src1] * integers[src2]
      break
    case 99: return true

cranderveldt

// Part 1
const fillEmUp = (modules) => {
  return modules.reduce((acc, mass) => {
    return acc + (Math.floor(mass / 3) - 2)
  }, 0)
}

// Part 2
const fuelForMass = (mass) => {
  const fuel = (Math.floor(mass / 3) - 2)

cranderveldt

<ion-header>
  <ion-toolbar>
    <ion-title>About</ion-title>
  </ion-toolbar>
</ion-header>

<ion-content>
  <ion-list>
    <ion-item>
      <ion-label position="floating">This is a label for a text field</ion-label>