初始化环境文件

node_modules/@aws-crypto/crc32/build/module/aws_crc32.js

@@ -0,0 +1,28 @@
+// Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+import { __awaiter, __generator } from "tslib";
+import { convertToBuffer, isEmptyData, numToUint8 } from "@aws-crypto/util";
+import { Crc32 } from "./index";
+var AwsCrc32 = /** @class */ (function () {
+    function AwsCrc32() {
+        this.crc32 = new Crc32();
+    }
+    AwsCrc32.prototype.update = function (toHash) {
+        if (isEmptyData(toHash))
+            return;
+        this.crc32.update(convertToBuffer(toHash));
+    };
+    AwsCrc32.prototype.digest = function () {
+        return __awaiter(this, void 0, void 0, function () {
+            return __generator(this, function (_a) {
+                return [2 /*return*/, numToUint8(this.crc32.digest())];
+            });
+        });
+    };
+    AwsCrc32.prototype.reset = function () {
+        this.crc32 = new Crc32();
+    };
+    return AwsCrc32;
+}());
+export { AwsCrc32 };
+//# sourceMappingURL=aws_crc32.js.map