feat(clients): support recursion detection in Lambda

[AllanZhengYP]

Ref JS-3324

Description

Injects a trace id header in Lambda runtime to avoid recursive invocation.

Testing

Unit test

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[trivikr]

Remove additional semicolon and update formatting

Suggested change

	const recursionDetectionMiddleware = (options: PreviouslyResolved): BuildMiddleware<any, any> =>
	(next: BuildHandler<any, Output>): BuildHandler<any, Output> =>
	async (args: BuildHandlerArguments<any>): Promise<BuildHandlerOutput<Output>> => {
	const { request } = args;
	if (
	!HttpRequest.isInstance(request) ||
	options.runtime !== "node" ||
	request.headers.hasOwnProperty(TRACE_ID_HEADER_NAME)
	) {
	return next(args);
	}
	const functionName = process.env[ENV_LAMBDA_FUNCTION_NAME];
	const traceId = process.env[ENV_TRACE_ID];
	const nonEmptyString = (str: unknown): str is string => typeof str === "string" && str.length > 0;
	if (nonEmptyString(functionName) && nonEmptyString(traceId)) {
	request.headers[TRACE_ID_HEADER_NAME] = traceId;
	}
	return next({
	...args,
	request,
	});
	};
	}
	const recursionDetectionMiddleware =
	(options: PreviouslyResolved): BuildMiddleware<any, any> =>
	(next: BuildHandler<any, Output>): BuildHandler<any, Output> =>
	async (args: BuildHandlerArguments<any>): Promise<BuildHandlerOutput<Output>> => {
	const { request } = args;
	if (
	!HttpRequest.isInstance(request) ||
	options.runtime !== "node" ||
	request.headers.hasOwnProperty(TRACE_ID_HEADER_NAME)
	) {
	return next(args);
	}
	const functionName = process.env[ENV_LAMBDA_FUNCTION_NAME];
	const traceId = process.env[ENV_TRACE_ID];
	const nonEmptyString = (str: unknown): str is string => typeof str === "string" && str.length > 0;
	if (nonEmptyString(functionName) && nonEmptyString(traceId)) {
	request.headers[TRACE_ID_HEADER_NAME] = traceId;
	}
	return next({
	...args,
	request,
	});
	};

[AllanZhengYP]

The CodeBuild test failed because of transient issue in the last size benchmarking. The rest tests succeeded

[github-actions]

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