web/frontend/data-quality.ts


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function initDataQuality(): void {
  const form = document.getElementById("data-quality-form") as HTMLFormElement | null;
  const selectAll = document.getElementById("data-quality-select-all") as HTMLInputElement | null;
  const counter = document.getElementById("data-quality-selected");
  if (!form || !selectAll) return;
  const selectAllInput: HTMLInputElement = selectAll;
  const checkboxes = Array.from(form.querySelectorAll<HTMLInputElement>("input.data-quality-checkbox"));

  function updateCount(): void {
    const selected = checkboxes.filter((c) => c.checked).length;
    if (counter) counter.textContent = `${selected} selected`;
    const allChecked = selected === checkboxes.length && checkboxes.length > 0;
    const noneChecked = selected === 0;
    selectAllInput.checked = allChecked;
    selectAllInput.indeterminate = !allChecked && !noneChecked;
  }

  selectAllInput.addEventListener("change", () => {
    for (const cb of checkboxes) cb.checked = selectAllInput.checked;
    updateCount();
  });

  for (const cb of checkboxes) cb.addEventListener("change", updateCount);

  updateCount();
}

if (document.readyState === "loading") {
  document.addEventListener("DOMContentLoaded", initDataQuality);
} else {
  initDataQuality();
}