fix.js

// Fix for Firefox
// Can be removed after release with this patch in: https://github.com/flatpickr/flatpickr/pull/1879
const brokenInputs = [
  input._flatpickr.hourElement,
  input._flatpickr.minuteElement,
];

brokenInputs.forEach(input => {
  input.addEventListener('input', e => {
    // Date isn't updated if you close the popup without pressing enter on Firefox, we can resolve this by blurring
    // then focusing straight away
    e.target.blur();
    e.target.focus();
    // After we've given focus back, it selects the whole input, so if the user types in anything it overwrites what's
    // already there. We can force the browser to put the cursor at the end of the input by clearing and re-filling
    // the value
    const { value } = e.target;
    e.target.value = '';
    e.target.value = value;
  });
});