Function confirmPopState

src/common/router.js:53–61

(hash)

export function getUnloadSentry(onConfirm, onCancel) {
  async function confirmPopState(hash) {
    if (await showConfirmation(i18n('confirmNotSaved'))) {
      // popstate cannot be prevented so we pin current `route` and display a confirmation
      setRoute(hash, false, true);
      onConfirm?.();
    } else {
      onCancel?.();
    }
  }
  function toggle(state) {
    const onOff = `${state ? 'add' : 'remove'}EventListener`;
    global[onOff]('beforeunload', onUnload);