Lambda syntaxerror unexpected token export. This might be a simple typo. Jul 26, 2023 · Invoking AWS Lambda from Node fails with Unexpected token u in JSON at position 0 Asked 2 years, 7 months ago Modified 2 years, 7 months ago Viewed 72 times Mar 7, 2023 · SyntaxError: Unexpected token '?' while deploying AWS Lambda Asked 2 years, 11 months ago Modified 2 years, 10 months ago Viewed 439 times Jun 14, 2011 · "node": "14. At first, there are no steps describing how to exactly run the code using Lamda. 11" I have 3 js files, dev. Jul 12, 2020 · SyntaxError: Cannot use import statement outside a module How can I solve this problem? Mar 27, 2025 · Incorrect import/export causing SyntaxError: Unexpected token Posted on March 27, 2025 by Rishan Solutions The Jest SyntaxError: Unexpected Token Export means that the JavaScript parser encountered an unexpected token when it was trying to parse your code. mjs, so why am I getting this error? ERROR (node:8) Warning: To load an ES module, set "type": "module" in the package. Please replace it with 'exports' and let me know if that works for you! So, my package. By using transpilePackages, dynamic imports, or updating dependencies, you can resolve this issue. netlify/functions/foo, an error occurs saying Unexpected token 'export': Apr 12, 2020 · How to solve syntax error, unexpected token, export type? Ask Question Asked 5 years, 11 months ago Modified 3 years, 6 months ago Jest Unexpected Token Export: What It Is and How to Fix It Jest unexpected token export is a common error that occurs when you're trying to export a function, class, or other module from your test file. By validating JSON, checking syntax locally, verifying module formats, and removing hidden characters, you can restore stable execution and eliminate parsing failures in Lambda. Feb 5, 2021 · 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? Over the past several years, Codedamn has grown into a platform trusted by hundreds of thousands of aspiring developers and working professionals to build real-world skills through hands-on practice. This error can occur for a variety of reasons, but it is usually caused by a syntax error in your code. js accordingly. js environment. Are these answers helpful? Upvote the correct answer to help the community benefit from your knowledge. This usually means adding a semicolon after the export statement. Jul 8, 2025 · 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 is my best guess as to why the large file uploads are failing. Would greatly appreciate some guidance in how I can import the https library so I can make an https. random() * 10)}` }) }; } 1 Like show post in topic Topic Replies Views Activity Notifications You must be signed in to change notification settings Fork 823 Sep 12, 2021 · SyntaxError: Unexpected token 'export' while exporting function Js [duplicate] Ask Question Asked 4 years, 6 months ago Modified 4 years, 6 months ago Jul 16, 2018 · Lambda async functions - unexpected token #158 Closed tarasowski opened this issue on Jul 16, 2018 · 3 comments Mar 30, 2020 · Lambda runtimes - AWS Lambda Learn about the languages that Lambda supports through runtimes. js in bootstrap 4 gives SyntaxError Unexpected token export Asked 8 years, 5 months ago Modified 6 years, 5 months ago Viewed 76k times SyntaxError: Cannot use import statement outside a module SyntaxError: Unexpected token 'export' The file naming conventions is the standard at my workplace, so I don't know if that's the problem. Mar 2, 2024 · The "Uncaught SyntaxError: Unexpected token" exception occurs for multiple reasons: A missing or extra bracket, parenthesis or comma in your code. handler = async (event, context) => { return { statusCode: 200, body: JSON. 14. I've searched for previous similar issues and didn't find any solution. _compile (module. This time I'm going to talk about a specific error: SyntaxError: Unexpected token 'export'. Oct 13, 2022 · The "Uncaught SyntaxError: Unexpected token" occurs for multiple reasons: Having a Make sure that your script tags point to a valid path and try renaming all your files to lowercase letters only. parse (native) at exports. This happens e. We’re on a journey to advance and democratize artificial intelligence through open source and open science. It has been an incredible privilege to build and nurture this platform. A <script /> tag that points to an HTML file instead of a JS file. Today, we are announcing our decision to wind down operations at Codedamn. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. But every time I tried I got Runtime. js:78:16) at Module. By the end, you’ll know exactly how to resolve this issue and prevent it from recurring. g. This error points to the "demo. floor(Math. both have ES2019 as targets . '"} Also when I try to run sam validate sam validate I get the following error, I don't know if it is related. 0", "npm": "6. Remember to understand whether your dependencies are ESM or CJS and configure Next. js:30:29) u→o でオブジェクトになっているとのエラーだと思うのですが、 テストコードのJSONの書き方がわるいのでしょうか？ Oct 15, 2022 · How do I resolve SyntaxError: Unexpected token 'export' in react nextjs project? [duplicate] Asked 3 years, 5 months ago Modified 3 years, 5 months ago Viewed 10k times Jest unexpected token 'export': How to fix Jest is a popular JavaScript testing framework. 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. ts) files in Visual Studio 2022 but, getting "Uncaught SyntaxError: Unexpected token 'export" error. Jan 22, 2022 · Jest encountered an unexpected token Jest failed to parse a file. popper. request () function call. Jan 2, 2024 · This issue often occurs due to the use of ES6 modules or incompatible node module versions. Jest setup "SyntaxError: Unexpected token export" Asked 9 years, 1 month ago Modified 2 years, 4 months ago Viewed 96k times Feb 9, 2021 · ただいまの回答率 85. Oct 5, 2020 · In case you are getting error like ‘Unexpected token export’ while starting the server, then export like below in schema. Aug 5, 2020 · I've had an old AWS Lambda function, that was declared as synchronous (used Promises), the declaration looked like this: exports. UserCodeSyntaxError… Feb 3, 2023 · This is why you're getting the "Unexpected token '<'" error, because the HTML is not valid JSON. Dec 23, 2020 · Olek Posted on Dec 23, 2020 Jest SyntaxError: Unexpected token 'export' # jest # react # testing # rtl In this post, I'm not going to explain how to configure react-testing-library and Jest, there is a lot of useful information about it. exports. ts file . ^^^^^^ SyntaxError: Unexpected token export at Object. but I get a SyntaxError: Unexpected token 'export' . Mar 16, 2023 · Checkboxes for prior research I've gone through Developer Guide and API reference I've checked AWS Forums and StackOverflow. stringify({ message: `Hello world ${Math. I'm trying out typescript for the first time and am confused about the import/export procedures that I am used to using with es6. Jul 11, 2016 · I tried the above (Export and ES6) with TypeScript (. js, browsers, and popular build tools like Webpack or Babel. js with this step-by-step guide. when it's main field is pointed to a . "export default App " works without mentioning type as class. Therefore when it tries to parse that string undefined it encounters the token u in the first position and stops. 3 Question var AWS = require ("aws-sdk"); The aws-sdk is automatically included in lambdas, but the mocking environment doesn't have aws-sdk as i am getting this error: "Error: Could not load lambda handler functi Jul 8, 2025 · The JavaScript exception "import declarations may only appear at top level of a module" occurs when an import declaration is not at the top level of a module. x) from a webpage, passing a JSON string from fields in the webpage to the Lambda function to add to a Dynamo table. Aug 10, 2023 · The export keyword is a part of JavaScript specification that allows you to export a module so that other modules can use that module using the import keyword. The primary solution for this is to not use AWS Lambda for the form. handler (/var/task/index. May 28, 2020 · Typescript : SyntaxError: Unexpected token 'export' Asked 5 years, 8 months ago Modified 5 years, 6 months ago Viewed 14k times How do you fix the Jest SyntaxError: Unexpected Token 'export' error? To fix the Jest SyntaxError: Unexpected Token 'export' error, you need to make sure that you are using the export keyword correctly. A missing closing quote of a string literal. ), or more often because the current file is not treated as a module. Why is my browser showing the ‘syntaxerror: unexpected token ‘export’ error? Feb 13, 2019 · Thanks @Nikita shalin . This can happen for a number of reasons, but the most common cause is when you forget to add the `export` keyword to the declaration of a variable or function. Jest gives an error: "SyntaxError: Unexpected token export" Asked 8 years ago Modified 5 months ago Viewed 293k times Oct 19, 2025 · The SyntaxError: Unexpected Token 'export' error in Jest TypeScript projects can be a common roadblock, but by understanding the root causes and following the usage methods, common practices, and best practices outlined in this blog post, you can effectively resolve this issue. In this case, the unexpected token is the keyword “export”. Did anyone else come across this issue? Nov 12, 2019 · I'm brand new to AWS, and I'm trying to invoke a Lambda function (Node 10. Mar 7, 2020 · You get this: SyntaxError: The requested module '. Aug 24, 2023 · The error message indicates a syntax error in your code related to the use of the export keyword. However, you may encounter the error unexpected token 'export' when using Jest. js" file, the first export functio line. Jan 31, 2021 · Node js SyntaxError: Unexpected token 'export' Asked 5 years, 1 month ago Modified 1 year, 10 months ago Viewed 29k times Oct 19, 2025 · The SyntaxError: Unexpected token 'export' error in TypeScript is a common issue that occurs when the JavaScript environment does not support ECMAScript module syntax. . Apr 20, 2023 · SyntaxError: Unexpected token 'export' in AWS Lambda (Node 14. 29 % 質問をまとめることで 思考を整理して素早く解決 テンプレート機能で 簡単に質問をまとめる トップ TypeScript に関する質問 node. /dependency. Dec 19, 2022 · The files are also likely being base64 encoded by the browser before being sent which also makes them larger. this is an interface I am trying to export in a file called AWS Lambda Parse JSON (Unexpected token) Ask Question Asked 9 years, 11 months ago Modified 8 years, 8 months ago Jan 30, 2022 · Jest: SyntaxError: Unexpected token 'export' Ask Question Asked 4 years, 1 month ago Modified 4 years, 1 month ago Nov 10, 2020 · Support br4e November 10, 2020, 8:53pm 1 (prompt)> yarn run solidity-docgen --solc-module <point to solc version 0. getSong = (event, context, callback) => { } It worked as intended. UserCodeSyntaxError', 'errorMessage': "SyntaxError: Unexpected token '. class which is a syntactic sugar for function is also an object ,so why cant i simply attach export in Jul 16, 2017 · react export Unexpected token Ask Question Asked 8 years, 8 months ago Modified 3 years, 2 months ago Nov 23, 2016 · Uncaught SyntaxError: Unexpected token export Ask Question Asked 9 years, 4 months ago Modified 9 years, 4 months ago Oct 13, 2021 · Lambda returned empty body! Invalid lambda response received: Invalid API Gateway Response Keys: {'errorType', 'errorMessage'} in {'errorType': 'Runtime. To fix this issue, you need to check what the server is sending back and make sure it's returning a JSON object. Sep 14, 2023 · In the next sections, we will delve deeper into the ‘export’ token in JavaScript and explore how to troubleshoot and fix SyntaxError: Unexpected Token ‘export’. Jan 8, 2020 · lambda-functions jmcmullen January 8, 2020, 3:28pm 2 I encountered the same problem, managed to get async/await working like this: exports. This might be because the import declaration is nested in other constructs (functions, blocks, etc. if I include the package in serverDependenciesToBundle . 4 binary> SyntaxError: Unexpected token 'export' Jan 8, 2022 · I have the transpileModules setting set in Remix to include my package . Dec 3, 2025 · Conclusion “Unexpected token” errors always come from malformed code or malformed data. x) Ask Question Asked 2 years, 11 months ago Modified 1 year ago See full list on bobbyhadz. js is typically caused by ESM dependencies that aren’t transpiled or incompatible module systems. js const keys = { googleClientID: 'creds', googleClientSecret `Uncaught SyntaxError: Unexpected token ‘;’` `Uncaught SyntaxError: Unexpected token ‘}’` `Uncaught SyntaxError: Unexpected token ‘else’` `Uncaught SyntaxError: Unexpected token ‘in’` To fix these errors, you can check the documentation for Jest to learn more about the correct syntax for writing tests. Because it does not exist the value ends up as the literal string undefined. This can be fixed by checking the syntax of your code and making sure that you are using the export keyword correctly. May 22, 2023 · Yes, any syntax error, including the ‘unexpected token ‘export” error, will prevent your JavaScript program from running until it is resolved. Includes causes and solutions for all types of unexpected token errors, plus Dec 15, 2021 · Uncaught SyntaxError: Unexpected token 'export' Asked 4 years, 3 months ago Modified 3 years, 3 months ago Viewed 3k times Jan 20, 2021 · When I call the function . May 22, 2023 · If you are encountering the `SyntaxError: Unexpected token ‘export’` error while running Jest tests on your JavaScript files, it is likely… Jan 28, 2026 · 在 config 中添加app时使用了export default，但是报错SyntaxError: Unexpected token export，查阅资料后发现关于 export 和export default的相关资料： export与export default均可用于导出常量、函数、文件、模块等 在一个文件或模块中，export、import可以有多个，export default仅有一个 通过export方式导出，在导入时要加 We would like to show you a description here but the site won’t allow us. com Aug 10, 2023 · The export keyword is a part of JavaScript specification that allows you to export a module so that other modules can use that module using the import keyword. 0. I’m trying to run the Repo-supervisor using AWS Lambda, but due to the lack of its documentation, faced an issue. 16. Dec 11, 2020 · How to fix vue-jest error - SyntaxError: Unexpected token 'export' Ask Question Asked 5 years, 3 months ago Modified 5 years, 3 months ago Oct 9, 2024 · The "SyntaxError: Unexpected token" in JavaScript occurs when the code contains a character or symbol that the JavaScript engine does not expect, often due to a typo or syntax mistake. Sep 27, 2016 · "SyntaxError: Unexpected token export (…)" Ask Question Asked 9 years, 5 months ago Modified 9 years, 5 months ago Sep 11, 2016 · 35 Error: SyntaxError: Unexpected token import or SyntaxError: Unexpected token export Solution: Change all your imports as example Learn how to fix the unexpected token error in Node. If Lambda is used, this limitation Jan 31, 2021 · Node js SyntaxError: Unexpected token 'export' Asked 5 years, 1 month ago Modified 1 year, 10 months ago Viewed 29k times Apr 10, 2023 · Amplify CLI Version 11. Feb 5, 2018 · SyntaxError: Unexpected token o in JSON at position 1 at Object. This keyword is a part of ECMAScript Modules (ESM) specification, which is the official standard way to reuse JavaScript code. This error can be caused by a number of factors, but the most common is that you're missing a semicolon or quotation mark. runInThisContext (vm. json has type:module and the handler file extension is . json would be helpful, Netlify URL, and also whether or not you’re using netlify-lambda to build your functions? Dec 25, 2020 · I’m just testing the tool, but I have some problems with the cdn because it generates an error that I don’t know how to deal with, the error is Uncaught SyntaxError: Unexpected token ‘export’ Hi everyone, I tried to use MediaInfo as a child process inside lambda with nodejs runtime. This is why a file smaller than 6 MB is hitting the limit (because it is over 6 MB after the base64 encoding). Dec 15, 2023 · AWS lambda function: unexpected token Ask Question Asked 2 years, 3 months ago Modified 2 years, 3 months ago SyntaxError: Unexpected token export occurs when you try to use the export keyword in the wrong place. Includes causes of the error, how to identify the problem, and the best Jul 8, 2025 · 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. 7. /Main/Main' However, eslint doesn't like this and throws the error If I comment out this line, then the lambda runs with no issues. js:543:28) This is not expected, based in the fact that other imports inplace work perfectly; Why doesn't this happen in the other existing imports where the code is also ES2015? May 18, 2019 · Actually the code runs and works well, but I'm having this error that says: "Uncaught SyntaxError: Unexpected token export" . Sep 12, 2021 · SyntaxError: Unexpected token 'export' while exporting function Js [duplicate] Ask Question Asked 4 years, 6 months ago Modified 4 years, 6 months ago Jan 22, 2019 · AWS lambda SyntaxError: Unexpected token import Ask Question Asked 7 years, 1 month ago Modified 7 years ago Learn how to fix the unexpected token export error in Node. why i need to mention the type of App while exporting as "export class App"?we can export any object using export ,correct? like "export { login,logout } ". js To fix the Uncaught SyntaxError: Unexpected Token Export error, you need to find and fix the invalid export statement. Jan 9, 2020 · Related topics Topic Replies Views Activity Functions error decoding lambda response: invalid status code returned from lambda: 0 Support lambda-functions 8 3269 March 29, 2022 SyntaxError: Unexpected token 'export' Support deployment , lambda-functions , netlify-api , netlify-newbie 3 746 March 5, 2024 Jan 28, 2026 · 在 config 中添加app时使用了export default，但是报错SyntaxError: Unexpected token export，查阅资料后发现关于 export 和export default的相关资料： export与export default均可用于导出常量、函数、文件、模块等 在一个文件或模块中，export、import可以有多个，export default仅有一个 通过export方式导出，在导入时要加 Generally if it says Unexpected token u that is because you are referencing a value that does not exist. json o 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. Watching learners go from writing their first The SyntaxError: Unexpected token 'export' (and its counterpart, Unexpected token 'import') is a common error in JavaScript that occurs when you try to use the ES Module syntax (import / export) in an environment that is not configured to treat your file as a module. Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. cjs' does not provide an export named 'name' which is only "true" because ES modules aren't allowed to import CJS named exports. Jul 16, 2018 · Lambda async functions - unexpected token #158 Closed tarasowski opened this issue on Jul 16, 2018 · 3 comments export Main from '. Notifications You must be signed in to change notification settings Fork 823. Since Next. js utilizes server-side rendering, managing imports and exports can sometimes lead to unexpected behaviors, particularly when a package or a file does not use the CommonJS syntax that is expected in a Node. Dec 5, 2025 · The SyntaxError: Unexpected token 'export' in Next. Getting an HTML response from a server where JSON is expected. js with this comprehensive guide. jsにおいて、Unexpected token 'export' Nov 2, 2019 · How to fix Unexpected token 'export' ' in line export class ReusableRay Ask Question Asked 6 years, 4 months ago Modified 6 years, 4 months ago Jan 3, 2021 · Hey @xdagency, Could you please share a few more details with us so we can take a look: full package. The SyntaxError: Unexpected Token ‘export’ error is a JavaScript error that occurs when the JavaScript parser encounters an unexpected token. gqx lcta eeryw lmm lufxbpc itvfy raza zkdar uhyshm jbpl