/* global Y */ // initialize a shared object. This function call returns a promise! let y = new Y({ connector: { name: 'websockets-client', url: 'http://127.0.0.1:1234', room: 'html-editor-example6' // maxBufferLength: 100 } }) window.yXml = y window.yXmlType = y.get('xml', Y.XmlFragment) window.onload = function () { console.log('start!') // Bind children of XmlFragment to the document.body window.yXmlType.bindToDom(document.body) } window.undoManager = new Y.utils.UndoManager(window.yXmlType) document.onkeydown = function interceptUndoRedo (e) { if (e.keyCode === 90 && e.ctrlKey) { if (!e.shiftKey) { console.info('Undo!') window.undoManager.undo() } else { console.info('Redo!') window.undoManager.redo() } e.preventDefault() } }