src/features/past-choose-date.js

function init() {
  const navigator = document
    .querySelectorAll("table.itemlist > tbody > tr")[3]
    .querySelectorAll("td")[1];

  const yearInput = document.createElement("select");
  const monthInput = document.createElement("select");
  const dayInput = document.createElement("select");

  // Year Input
  for (let y = new Date().getFullYear(); y >= 2007; y--) {
    yearInput.innerHTML += `<option value=${y}>${y}</option>`;
  }

  // Month Input
  for (let m = 1; m <= 12; m++) {
    m = String(m).padStart(2, "0");
    monthInput.innerHTML += `<option value=${m}>${m}</option>`;
  }

  // Day Input
  for (let d = 1; d <= 31; d++) {
    d = String(d).padStart(2, "0");
    dayInput.innerHTML += `<option value=${d}>${d}</option>`;
  }

  const goSpan = document.createElement("span");
  goSpan.classList.add("hnmore");

  const goBtn = document.createElement("a");
  goBtn.href = "javascript:void(0)";
  goBtn.innerHTML = "Go";
  goBtn.addEventListener("click", () => {
    window.location.href = `front?day=${yearInput.value}-${monthInput.value}-${
      dayInput.value
    }`;
  });

  goSpan.append(goBtn);

  navigator.append(
    " Choose a date: ",
    yearInput,
    "-",
    monthInput,
    "-",
    dayInput,
    " ",
    goSpan,
    "."
  );

  return true;
}

const details = {
  id: "past-choose-date",
  pages: {
    include: ["/front"],
    exclude: [],
  },
  loginRequired: false,
  init,
};

export default details;