datatrash/template/auth-hide.js

const fileUpload = document.getElementById("file-upload");
const textUpload = document.getElementById("text-upload");
const keepFor = document.getElementById("keep_for");
const passwordInput = document.getElementById("password-input");

const maxTime = Number("{no_auth_max_time}");
const largeFileMaxTime = Number("{no_auth_large_file_max_time}");
const largeFileSize = Number("{no_auth_large_file_size}");

let keep = Number(keepFor.value);
let size = fileUpload.files[0]
  ? fileUpload.files[0].size
  : textUpload.value.length;

const updatePasswordInput = () => {
  const requirePassword = keep > maxTime || (size > largeFileSize && keep > largeFileMaxTime);
  passwordInput.className = requirePassword ? "" : "hidden";
};

updatePasswordInput();

fileUpload.addEventListener("change", () => {
  size = fileUpload.files[0]
    ? fileUpload.files[0].size
    : textUpload.value.length;
  updatePasswordInput();
});
textUpload.addEventListener("input", () => {
  if (!fileUpload.files[0]) {
    size = textUpload.value.length;
    updatePasswordInput();
  }
});
keepFor.addEventListener("change", () => {
  keep = Number(keepFor.value);
  updatePasswordInput();
});