function updateMissingDataWarning()

in index.js [183:193]

• 10 lines of code
• 2 McCabe index (conditional complexity)

function updateMissingDataWarning(missingData) {

  const missingDataWarning = document.getElementById('missing-data-warning');
  if(missingData.length == 0) {
    missingDataWarning.hidden = true;
  } else {
    missingDataWarning.hidden = false;
    const missingDataList = document.getElementById('missing-data-regions');
    updateMissingDataList(missingDataList, missingData);
  }
}