Untitled

handleInputChange(e) {
  var file = e.dataTransfer ? e.dataTransfer.files[0] : e.target.files[0];
  var pattern = /image-*/;
  var reader = new FileReader();
  reader.onload = this._handleReaderLoaded.bind(this);
  reader.readAsDataURL(file);
}

    _handleReaderLoaded(e) {
      let reader = e.target;
      this.imageSrc = reader.result;
    }

<html lang="pt-br">
<head>
    <meta charset="utf-8"/>
    <meta content="width=device-width, initial-scale=1, maximum-scale=1" name="viewport">
</head>
<body>
   <img src="{{$foto}}" />
</body>
</html>