editor.on('NodeChange', event => {
const parentListEl = event.parents.find(el => el.nodeName === 'LI');
const inList = parentListEl && parentListEl.classList.contains('task-list-item');
editor.on('NodeChange', event => {
const parentListEl = event.parents.find(el => el.nodeName === 'LI');
const inList = parentListEl && parentListEl.classList.contains('task-list-item');