gistfile1.txt

/**
 * Add theme support for infinite scroll.
 *
 * @uses add_theme_support
 * @return void
 */
function gh_infinite_scroll_init() {
    add_theme_support( 'infinite-scroll', array(
        'container' => 'isoblock',
        'wrapper' => false,
        'render' => 'gh_isotope'
    ) );
}
add_action( 'after_setup_theme', 'gh_infinite_scroll_init' );

function gh_isotope(){
	$html = '';
	$loop_count = 0;
	while ( have_posts() ) : the_post();

		global $post;

		$loop_count++;

		$post->loop_count = $loop_count;
    	the_post();
    	$html .= load_template_part( 'content', get_post_format() );

	endwhile;

	$html = wp_kses_post( $html );
	?>
	<script type="text/javascript">
	( function( $ ) {
        var $container = $('#isoblock');
		$items = <?php echo $html; ?>;
		console.log($items);
    	$container.isotope( 'appended', $items );
    } )( jQuery );
    </script>
    <?php 
}