function updateDisplay()

in src/js/popup.js [90:101]


function updateDisplay(state) {
  Array.from(document.getElementsByClassName('state_boundary')).forEach(
    element => {
      if (element.id == state) {
        element.style.display = 'flex';
        document.body.className = state + '_body';
      } else {
        element.style.display = 'none';
      }
    }
  );
}