(function() {
    var logEl = document.getElementById('log');
    function log(m) { var d = document.createElement('div'); d.className='pkg-log-entry'; d.textContent=m; logEl.appendChild(d); logEl.scrollTop=logEl.scrollHeight; }
    new MultipleUpload('#demo', {
        uploadUrl: '/api/upload',
        multiple: true,
        chunked: true,
        chunkSize: '1MB',
        computeHash: true,
        hashAlgorithm: 'sha256',
        onHashComputed: function(task, hash) {
            log(task.fileName + ' SHA-256: ' + hash.slice(0, 24) + '...');
        },
        onTaskComplete: function(task) {
            log(task.fileName + ' uploaded with verified checksum');
        }
    });
})();