readUrl(event: any) {

    if (event.target.files && event.target.files[0]) {

​

  if (event.target.files[0].type === 'image/jpeg' || 

      event.target.files[0].type === 'image/png' || 

      event.target.files[0].type ==='image/jpg') {

    if (event.target.files[0].size < 200 * 200) {/* Checking height * width*/ }

      if (event.target.files[0].size < 2000000) {/* checking size here - 2MB */ }

  }

}