Actually working swipe controls for pacman game
This commit is contained in:
Tyler
+119
-119
@@ -1,119 +1,119 @@
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/**
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* File operations module.
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* Handles file encryption and decryption operations.
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*/
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// ===== Constants =====
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const CHUNK_SIZE = 1024 * 1024; // 1MB chunks
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// ===== Public Interface =====
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export async function encryptFile(fileInput, password) {
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const file = fileInput.files[0];
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if (!file) return;
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try {
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const encryptedChunks = await processFile(file, password, true);
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downloadEncryptedFile(encryptedChunks, file.name);
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} catch (error) {
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alert("Error encrypting file: " + error.message);
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}
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}
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export async function decryptFile(fileInput, password) {
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const file = fileInput.files[0];
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if (!file) return;
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try {
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const decryptedChunks = await processFile(file, password, false);
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downloadDecryptedFile(decryptedChunks, file.name);
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} catch (error) {
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alert("Error decrypting file: " + error.message);
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}
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}
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// ===== File Processing =====
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async function processFile(file, password, isEncrypt) {
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const chunks = [];
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const totalChunks = Math.ceil(file.size / CHUNK_SIZE);
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let processedChunks = 0;
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for (let start = 0; start < file.size; start += CHUNK_SIZE) {
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const chunk = file.slice(start, start + CHUNK_SIZE);
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const arrayBuffer = await chunk.arrayBuffer();
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const uint8Array = new Uint8Array(arrayBuffer);
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const processedChunk = await processChunk(uint8Array, password, isEncrypt);
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chunks.push(processedChunk);
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processedChunks++;
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updateProgress(processedChunks, totalChunks);
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}
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return chunks;
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}
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async function processChunk(data, password, isEncrypt) {
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const payload = {
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"encryption-type": "advanced",
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operation: isEncrypt ? "encrypt" : "decrypt",
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message: Array.from(data).join(','),
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password: password
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};
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const response = await fetch("/", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(payload)
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});
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if (!response.ok) {
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throw new Error(`HTTP error! status: ${response.status}`);
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}
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const result = await response.json();
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return new Uint8Array(result.result.split(',').map(Number));
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}
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// ===== File Download =====
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function downloadEncryptedFile(chunks, originalName) {
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const blob = new Blob(chunks, { type: 'application/octet-stream' });
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const url = URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = originalName + '.encrypted';
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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URL.revokeObjectURL(url);
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}
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function downloadDecryptedFile(chunks, originalName) {
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const blob = new Blob(chunks, { type: 'application/octet-stream' });
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const url = URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = originalName.replace('.encrypted', '');
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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URL.revokeObjectURL(url);
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}
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// ===== Progress Tracking =====
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function updateProgress(processed, total) {
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const progressBar = document.getElementById("file-progress");
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const progressText = document.getElementById("file-progress-text");
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if (progressBar && progressText) {
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const percent = Math.round((processed / total) * 100);
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progressBar.style.width = percent + "%";
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progressText.textContent = `Processing: ${percent}%`;
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if (processed === total) {
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setTimeout(() => {
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progressBar.style.width = "0%";
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progressText.textContent = "";
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}, 1000);
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}
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}
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}
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/**
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* File operations module.
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* Handles file encryption and decryption operations.
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*/
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// ===== Constants =====
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const CHUNK_SIZE = 1024 * 1024; // 1MB chunks
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// ===== Public Interface =====
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export async function encryptFile(fileInput, password) {
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const file = fileInput.files[0];
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if (!file) return;
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try {
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const encryptedChunks = await processFile(file, password, true);
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downloadEncryptedFile(encryptedChunks, file.name);
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} catch (error) {
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alert("Error encrypting file: " + error.message);
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}
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}
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export async function decryptFile(fileInput, password) {
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const file = fileInput.files[0];
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if (!file) return;
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try {
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const decryptedChunks = await processFile(file, password, false);
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downloadDecryptedFile(decryptedChunks, file.name);
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} catch (error) {
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alert("Error decrypting file: " + error.message);
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}
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}
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// ===== File Processing =====
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async function processFile(file, password, isEncrypt) {
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const chunks = [];
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const totalChunks = Math.ceil(file.size / CHUNK_SIZE);
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let processedChunks = 0;
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for (let start = 0; start < file.size; start += CHUNK_SIZE) {
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const chunk = file.slice(start, start + CHUNK_SIZE);
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const arrayBuffer = await chunk.arrayBuffer();
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const uint8Array = new Uint8Array(arrayBuffer);
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const processedChunk = await processChunk(uint8Array, password, isEncrypt);
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chunks.push(processedChunk);
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processedChunks++;
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updateProgress(processedChunks, totalChunks);
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}
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return chunks;
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}
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async function processChunk(data, password, isEncrypt) {
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const payload = {
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"encryption-type": "advanced",
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operation: isEncrypt ? "encrypt" : "decrypt",
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message: Array.from(data).join(','),
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password: password
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};
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const response = await fetch("/", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(payload)
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});
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if (!response.ok) {
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throw new Error(`HTTP error! status: ${response.status}`);
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}
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const result = await response.json();
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return new Uint8Array(result.result.split(',').map(Number));
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}
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// ===== File Download =====
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function downloadEncryptedFile(chunks, originalName) {
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const blob = new Blob(chunks, { type: 'application/octet-stream' });
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const url = URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = originalName + '.encrypted';
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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URL.revokeObjectURL(url);
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}
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function downloadDecryptedFile(chunks, originalName) {
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const blob = new Blob(chunks, { type: 'application/octet-stream' });
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const url = URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = originalName.replace('.encrypted', '');
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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URL.revokeObjectURL(url);
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}
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// ===== Progress Tracking =====
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function updateProgress(processed, total) {
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const progressBar = document.getElementById("file-progress");
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const progressText = document.getElementById("file-progress-text");
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if (progressBar && progressText) {
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const percent = Math.round((processed / total) * 100);
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progressBar.style.width = percent + "%";
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progressText.textContent = `Processing: ${percent}%`;
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if (processed === total) {
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setTimeout(() => {
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progressBar.style.width = "0%";
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progressText.textContent = "";
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}, 1000);
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}
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}
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}
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