初始化环境文件

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

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+import { setFeature } from "@aws-sdk/core/client";
+import { RequestChecksumCalculation, ResponseChecksumValidation } from "./constants";
+export const flexibleChecksumsInputMiddlewareOptions = {
+    name: "flexibleChecksumsInputMiddleware",
+    toMiddleware: "serializerMiddleware",
+    relation: "before",
+    tags: ["BODY_CHECKSUM"],
+    override: true,
+};
+export const flexibleChecksumsInputMiddleware = (config, middlewareConfig) => (next, context) => async (args) => {
+    const input = args.input;
+    const { requestValidationModeMember } = middlewareConfig;
+    const requestChecksumCalculation = await config.requestChecksumCalculation();
+    const responseChecksumValidation = await config.responseChecksumValidation();
+    switch (requestChecksumCalculation) {
+        case RequestChecksumCalculation.WHEN_REQUIRED:
+            setFeature(context, "FLEXIBLE_CHECKSUMS_REQ_WHEN_REQUIRED", "a");
+            break;
+        case RequestChecksumCalculation.WHEN_SUPPORTED:
+            setFeature(context, "FLEXIBLE_CHECKSUMS_REQ_WHEN_SUPPORTED", "Z");
+            break;
+    }
+    switch (responseChecksumValidation) {
+        case ResponseChecksumValidation.WHEN_REQUIRED:
+            setFeature(context, "FLEXIBLE_CHECKSUMS_RES_WHEN_REQUIRED", "c");
+            break;
+        case ResponseChecksumValidation.WHEN_SUPPORTED:
+            setFeature(context, "FLEXIBLE_CHECKSUMS_RES_WHEN_SUPPORTED", "b");
+            break;
+    }
+    if (requestValidationModeMember && !input[requestValidationModeMember]) {
+        if (responseChecksumValidation === ResponseChecksumValidation.WHEN_SUPPORTED) {
+            input[requestValidationModeMember] = "ENABLED";
+        }
+    }
+    return next(args);
+};