初始化环境文件

node_modules/@aws-crypto/sha256-browser/build/module/crossPlatformSha256.js

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+import { Sha256 as WebCryptoSha256 } from "./webCryptoSha256";
+import { Sha256 as JsSha256 } from "@aws-crypto/sha256-js";
+import { supportsWebCrypto } from "@aws-crypto/supports-web-crypto";
+import { locateWindow } from "@aws-sdk/util-locate-window";
+import { convertToBuffer } from "@aws-crypto/util";
+var Sha256 = /** @class */ (function () {
+    function Sha256(secret) {
+        if (supportsWebCrypto(locateWindow())) {
+            this.hash = new WebCryptoSha256(secret);
+        }
+        else {
+            this.hash = new JsSha256(secret);
+        }
+    }
+    Sha256.prototype.update = function (data, encoding) {
+        this.hash.update(convertToBuffer(data));
+    };
+    Sha256.prototype.digest = function () {
+        return this.hash.digest();
+    };
+    Sha256.prototype.reset = function () {
+        this.hash.reset();
+    };
+    return Sha256;
+}());
+export { Sha256 };
+//# sourceMappingURL=crossPlatformSha256.js.map