import $ from 'jquery'; export default class Group { constructor() { this.groupPath = $('#group_path'); this.groupName = $('#group_name'); this.updateHandler = this.update.bind(this); this.resetHandler = this.reset.bind(this); if (this.groupName.val() === '') { this.groupPath.on('keyup', this.updateHandler); this.groupName.on('keydown', this.resetHandler); } } update() { this.groupName.val(this.groupPath.val()); } reset() { this.groupPath.off('keyup', this.updateHandler); this.groupName.off('keydown', this.resetHandler); } }