问如何在angular 2+中为handsontable添加自定义验证

EN

emailValidator = (value, callback) => {
  console.log(value)
  setTimeout(function(){
    if (/.+@.+/.test(value)) {
      callback(true);
    }
    else {
      callback(false);
    }
  }, 1000);
};

private columns: any[] = [
{
  data: 'name'
},
{
  data: 'email',
  validator: this.emailValidator,
  // Uncomment below line accept invalid input and indicate
  // allowInvalid: true
}
];

@ViewChild(HotTableComponent) hotTableComponent;
// Call validator after initialization
afterInit() {  this.hotTableComponent.getHandsontableInstance().validateCells(function(valid){});

<hot-table [data]="data"
       [colHeaders]="colHeaders"
       [columns]="columns"
       [options]="options"
       (hotInstanceCreated)="instanceCreated($event)"
       (afterInit)="afterInit(event$)"
       [colWidths]="colWidths">