fix big files

Signed-off-by: ale <ale@manalejandro.com>

scripts/index-file.ts

@@ -20,10 +20,10 @@
  */
 
 import Redis from 'ioredis';
-import { createReadStream, existsSync, readFileSync, writeFileSync, unlinkSync } from 'fs';
+import { createReadStream, existsSync, readFileSync, writeFileSync, unlinkSync, openSync, readSync, closeSync } from 'fs';
 import { resolve, basename } from 'path';
 import { createInterface } from 'readline';
-import crypto from 'crypto';
+import * as crypto from 'crypto';
 
 const REDIS_HOST = process.env.REDIS_HOST || 'localhost';
 const REDIS_PORT = parseInt(process.env.REDIS_PORT || '6379', 10);
@@ -163,10 +163,28 @@ Examples:
 }
 
 function computeFileHash(filePath: string): string {
-  const fileBuffer = readFileSync(filePath);
-  const hashSum = crypto.createHash('sha256');
-  hashSum.update(fileBuffer);
-  return hashSum.digest('hex');
+  // Use streaming for large files to avoid memory issues
+  const hash = crypto.createHash('sha256');
+  const input = createReadStream(filePath, { highWaterMark: 64 * 1024 }); // 64KB chunks
+  
+  let buffer = Buffer.alloc(0);
+  const fd = openSync(filePath, 'r');
+  const chunkSize = 64 * 1024; // 64KB
+  const readBuffer = Buffer.alloc(chunkSize);
+  
+  try {
+    let bytesRead;
+    do {
+      bytesRead = readSync(fd, readBuffer, 0, chunkSize, null);
+      if (bytesRead > 0) {
+        hash.update(readBuffer.subarray(0, bytesRead));
+      }
+    } while (bytesRead > 0);
+  } finally {
+    closeSync(fd);
+  }
+  
+  return hash.digest('hex');
 }
 
 function getStateFilePath(filePath: string, customPath: string | null): string {