Backend half

2025-07-11 19:56:28 +02:00
parent fa868e7c1d
commit 8600fa7c1d
19426 changed files with 3750448 additions and 8108 deletions
@@ -0,0 +1,19 @@
+import { HashCalculator } from "./HashCalculator";
+export const readableStreamHasher = (hashCtor, readableStream) => {
+    if (readableStream.readableFlowing !== null) {
+        throw new Error("Unable to calculate hash for flowing readable stream");
+    }
+    const hash = new hashCtor();
+    const hashCalculator = new HashCalculator(hash);
+    readableStream.pipe(hashCalculator);
+    return new Promise((resolve, reject) => {
+        readableStream.on("error", (err) => {
+            hashCalculator.end();
+            reject(err);
+        });
+        hashCalculator.on("error", reject);
+        hashCalculator.on("finish", () => {
+            hash.digest().then(resolve).catch(reject);
+        });
+    });
+};