Advent Of Code 2023.

adventOfCode-2023-11.js

const day1Solution = (text) => {
  const textToArrayOfStrings = text.split(`\n`)
  const numberPattern = /\d+/g;
  const getCodeFromString = (str) => {
    const input = str.match(numberPattern).join('');
    const code = input[0] + input.slice(-1);
    return code;
  }
  const output = textToArrayOfStrings.reduce((acc, str) => {
    const code = Number.parseInt(getCodeFromString(str));
    return acc + code;
  }, 0);
  return output;
}

adventOfCode-2023-12.js

const normalizeString = (str) => {
const numberText = str.replace(/one|two|three|four|five|six|seven|eight|nine/g, (match) => {
  switch (match) {
    case "one":
      return "1";
    case "two":
      return "2";
    case "three":
      return "3";
    case "four":
      return "4";
    case "five":
      return "5";
    case "six":
      return "6";
    case "seven":
      return "7";
    case "eight":
      return "8";
    case "nine":
      return "9";
    default:
      return match;
  }
});
return numberText;
}

const day2Solution = (text) => {
  const textToArrayOfStrings = text.split(`\n`)
  const numberPattern = /\d+/g;
  const getCodeFromString = (str) => {
    const input = str.match(numberPattern).join('');
    const code = input[0] + input.slice(-1);
    return code;
  }
  const output = textToArrayOfStrings.reduce((acc, str) => {
    const normalizedString = normalizeString(str);
    const extractedCodeInString = getCodeFromString(normalizedString);
    const code = Number.parseInt(extractedCodeInString);
    return acc + code;
  }, 0);
  return output;
}

adventOfCode-2023-21.js

const day2Solution = (text) => {
    const rules = {
        red: 12,
        green: 13,
        blue: 14
    }
  const textToArrayOfStrings = text.split(`\n`);
  const isGameValid = (str) => {
    const cubes = str.split(",").map(a => a.trim());
    return cubes.every(cubeSet => {
        const [cubeValue, cubeColor ] = cubeSet.split(" ");
        return Number.parseInt(cubeValue) <= rules[cubeColor];
    });
  }
    const getGameId = str => Number.parseInt(str.split(" ")[1]);
    
  const output = textToArrayOfStrings.reduce((acc, str) => {
      const splits = str.split(":");
      const gameID = getGameId(splits[0]);
      const gameSets = splits[1].split(";");
      const isGameValidOp = gameSets.every(isGameValid);
    return acc + (isGameValidOp ? gameID: 0);
  }, 0);
  return output;
}