window.universallength = 0;

window.universalloaded = 0;

window.mergeFiles = function(fileParts) {

return new Promise((resolve, reject) => {

let buffers = [];

function fetchPart(index) {

if (index >= fileParts.length) {

let mergedBlob = new Blob(buffers);

let mergedFileUrl = URL.createObjectURL(mergedBlob);

resolve(mergedFileUrl);

return;

}

fetch(fileParts[index]).then((response) => {

if (!response.ok) throw new Error("Missing part: " + fileParts[index]);

return response.arrayBuffer();

}).then((data) => {

window.universalloaded++;

document.getElementById("loading-text").textContent = "LOADING... "+window.universalloaded+"/"+window.universallength;

buffers.push(data);

fetchPart(index + 1);

}).catch(reject);

}

fetchPart(0);

});

};

window.getParts = function(file, start, end) {

let parts = [];

for (let i = start; i <= end; i++) {

parts.push(file + ".part" + i);

}

window.universallength = window.universallength+parts.length;

return parts;

};