readerFile(files, input) {
  const img = new Image();
  img.src = window.URL.createObjectURL( files[0] );

  const reader = new FileReader();

  this.setImage(files[0]);
  this.imagePath = files;

  this.onloadReaderFile(reader, img, input, files);
}

onloadReaderFile(reader: FileReader, img, input, files) {
  reader.readAsDataURL(files[0]);

  reader.onload = (event) => {
    const width = img.naturalWidth;
    const height = img.naturalHeight;

    window.URL.revokeObjectURL( img.src );

    if (!this.isReaderFileWithSuccess(height, width, input)) {
      return;
    }
    if (!this.isCorrectSizeImage(height, width, input)) {
      return;
    }

    this.isNewImage = true;
    this.imgURL = reader.result;
  };
}

isReaderFileWithSuccess(height: number, width: number, input: HTMLInputElement): boolean {
  if (height === 0 && width === 0 ) {
    this.message = 'Erro ao importar o arquivo, tente novamente!';
    input.value = '';
    this.removeImage();
    return false;
  }
  return true;
}