$file->type()

$file->type(): string|null

if($file = $page->file('myimage.jpg')):
    echo $file->type();
    // image
endif;


if($file = $page->file('terms.pdf')):
    echo $file->type();
    // document
endif;

if($file = $page->file('numbers.xls')):
    echo $file->type();
    // document
endif;


if($file = $page->file('software-1.0.0.zip')):
    echo $file->type();
    // archive
endif;


if($file = $page->file('some-movie.mov')):
    echo $file->type();
    // video
endif;


if($file = $page->file('styles.css')):
    echo $file->type();
    // code
endif;