初始化环境文件

node_modules/@aws-sdk/middleware-flexible-checksums/dist-es/getCrc32ChecksumAlgorithmFunction.js

@@ -0,0 +1,21 @@
+import { AwsCrc32 } from "@aws-crypto/crc32";
+import { numToUint8 } from "@aws-crypto/util";
+import * as zlib from "node:zlib";
+class NodeCrc32 {
+    checksum = 0;
+    update(data) {
+        this.checksum = zlib.crc32(data, this.checksum);
+    }
+    async digest() {
+        return numToUint8(this.checksum);
+    }
+    reset() {
+        this.checksum = 0;
+    }
+}
+export const getCrc32ChecksumAlgorithmFunction = () => {
+    if (typeof zlib.crc32 === "undefined") {
+        return AwsCrc32;
+    }
+    return NodeCrc32;
+};