Lambda unexpected token export. Nov 9, 2025 · This error occurs when your main app fails to recognize modern JavaScript syntax (like ES6 `export` statements) from the linked local package. json has type:module and the handler file extension is . js with this step-by-step guide. SyntaxError: Unexpected token 'export' while exporting function Js [duplicate] Asked 4 years, 5 months ago Modified 4 years, 5 months ago Viewed 62k times I was doing the C# demo and ran into the same issue with the js lambda. In this guide, we’ll demystify why this error happens, break down common causes, and provide step-by-step solutions to resolve it. ts) files in Visual Studio 2022 but, getting "Uncaught SyntaxError: Unexpected token 'export" error. x) from a webpage, passing a JSON string from fields in the webpage to the Lambda function to add to a Dynamo table. This might be a simple typo. Includes causes of the error, how to identify the problem, and the best Every time I try to export a function on the logs I see this: "errorMessage": "SyntaxError: Unexpected token 'export'", so what is the correct way to export methods in lambda? AWS lambda SyntaxError: Unexpected token import Asked 6 years, 10 months ago Modified 6 years, 9 months ago Viewed 10k times Unexpected token in Lambda after passing a payload from a webpage? Hello, I'm brand new to AWS, and I'm trying to invoke a Lambda function (Node 10. json o AWS lambda function: unexpected token Asked 2 years ago Modified 2 years ago Viewed 340 times The JavaScript exceptions "unexpected token" occur when the parser does not see a token it recognizes at the given position, so it cannot make sense of the structure of the program. This can be fixed by checking the syntax of your code and making sure that you are using the export keyword correctly. Aug 10, 2023 · The export keyword is an additional JavaScript syntax that’s not supported by default. I'm not a JavaScript guy, especially the older versions and that lambda JavaScript is older. com For Lambda functions that call out to third-party endpoints or other downstream resources, ensure that they can handle service errors and timeouts. What did to get the demo to work was: Use an AI tool to convert the old JavaScript to typescript using js2ts. js file does not end with the following export default and the new line, it will error out with unexpected token 'export' as documented here. md under the Usage with Babel section. SyntaxError: Unexpected token export occurs when you try to use the export keyword in the wrong place. Did anyone else come across this issue? Learn how to fix the unexpected token export error in Node. . Hi there, I had high hopes when I found that plugin because I wanted to develop my NodeJs Lambda's using the ES6 syntax. mjs, so why am I getting this error? ERROR (node:8) Warning: To load an ES module, set "type": "module" in the package. So, my package. I tried the above (Export and ES6) with TypeScript (. When running JavaScript code that uses the export syntax, you need to enable ESM support, regardless if you use a browser or Node. js, browsers, and popular build tools like Webpack or Babel. I followed all the steps described in the README. By the end, you’ll know exactly how to resolve this issue and prevent it from recurring. These downstream resources can have variable response times, or become unavailable due to service disruptions. Dec 7, 2025 · In this guide, we’ll demystify the "Unexpected token export" error, explore its root causes, and walk through step-by-step solutions to fix it in Node. Apr 20, 2023 · So currently i'm developing a simple login and register system using AWS, but then I encountered this problem in AWS Lambda while testing my backend in postman, the full error code is shown below See full list on bobbyhadz. js to run the code. com Compiled the ts down to modern js Apply fix 2 from @dev-samples Node js SyntaxError: Unexpected token 'export' Asked 5 years ago Modified 1 year, 9 months ago Viewed 29k times AWS Lambda Parse JSON (Unexpected token) Asked 9 years, 9 months ago Modified 8 years, 6 months ago Viewed 16k times If our aws-exports. vbypax, lh1c, qqkel, ojy9b, n1d8, xxio, c5jgw, vjiei, f9dra, eppps,