Getting live roll stats from Colonist.io

colonist_roll_stats.js

// Open up your browser console and enter/paste the following javascript. 
// It should get the game log, then find all the rolls and give you the stats.
// Just enter `displayRolls();` to get the current dice roll stats.

let getRolls = function () {
  return Array.from(
    Array.from(
      document.getElementById("game-log-text").childNodes
    ).filter((logText) => logText.textContent.includes("roll"))
  )
    .map((logText) =>
      Array.from(logText.getElementsByTagName("img"))
        .filter((images) => images.alt.includes("dice_"))
        .map((dieRoll) => dieRoll.alt.substr(5))
        .reduce((diceRoll, dieRoll) => {
          return diceRoll + Number(dieRoll);
        }, 0)
    )
    .reduce(
      (counts, diceRoll) => {
        counts[diceRoll]++;
        return counts;
      },
      { 2: 0, 3: 0, 4: 0, 5: 0, 6: 0, 7: 0, 8: 0, 9: 0, 10: 0, 11: 0, 12: 0 }
    );
};

let displayRolls = function () {
  let counts = getRolls();
  Object.keys(counts).forEach((diceRoll) => {
    console.log(
      ("0" + diceRoll).slice(-2)+`: `+
      ("0" + counts[diceRoll]).slice(-2)+
        Array.apply(null, Array(counts[diceRoll]))
          .map(() => "+")
          .join("")
    );
  });
};

displayRolls();