初始化环境文件

node_modules/@aws-crypto/util/src/convertToBuffer.ts

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+// Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+import { SourceData } from "@aws-sdk/types";
+import { fromUtf8 as fromUtf8Browser } from "@smithy/util-utf8";
+
+// Quick polyfill
+const fromUtf8 =
+  typeof Buffer !== "undefined" && Buffer.from
+    ? (input: string) => Buffer.from(input, "utf8")
+    : fromUtf8Browser;
+
+export function convertToBuffer(data: SourceData): Uint8Array {
+  // Already a Uint8, do nothing
+  if (data instanceof Uint8Array) return data;
+
+  if (typeof data === "string") {
+    return fromUtf8(data);
+  }
+
+  if (ArrayBuffer.isView(data)) {
+    return new Uint8Array(
+      data.buffer,
+      data.byteOffset,
+      data.byteLength / Uint8Array.BYTES_PER_ELEMENT
+    );
+  }
+
+  return new Uint8Array(data);
+}