初始化环境文件

node_modules/@aws-sdk/middleware-recursion-detection/dist-es/recursionDetectionMiddleware.js

@@ -0,0 +1,29 @@
+import { InvokeStore } from "@aws/lambda-invoke-store";
+import { HttpRequest } from "@smithy/protocol-http";
+const TRACE_ID_HEADER_NAME = "X-Amzn-Trace-Id";
+const ENV_LAMBDA_FUNCTION_NAME = "AWS_LAMBDA_FUNCTION_NAME";
+const ENV_TRACE_ID = "_X_AMZN_TRACE_ID";
+export const recursionDetectionMiddleware = () => (next) => async (args) => {
+    const { request } = args;
+    if (!HttpRequest.isInstance(request)) {
+        return next(args);
+    }
+    const traceIdHeader = Object.keys(request.headers ?? {}).find((h) => h.toLowerCase() === TRACE_ID_HEADER_NAME.toLowerCase()) ??
+        TRACE_ID_HEADER_NAME;
+    if (request.headers.hasOwnProperty(traceIdHeader)) {
+        return next(args);
+    }
+    const functionName = process.env[ENV_LAMBDA_FUNCTION_NAME];
+    const traceIdFromEnv = process.env[ENV_TRACE_ID];
+    const invokeStore = await InvokeStore.getInstanceAsync();
+    const traceIdFromInvokeStore = invokeStore?.getXRayTraceId();
+    const traceId = traceIdFromInvokeStore ?? traceIdFromEnv;
+    const nonEmptyString = (str) => typeof str === "string" && str.length > 0;
+    if (nonEmptyString(functionName) && nonEmptyString(traceId)) {
+        request.headers[TRACE_ID_HEADER_NAME] = traceId;
+    }
+    return next({
+        ...args,
+        request,
+    });
+};