Syntaxerror unexpected token export jest vite. js solved it: Aug 11, 2022 · Vite — How to Fix „Uncaught SyntaxError: Unexpected token 'export‘“ by Marcus Pöhls on August 11 2022, tagged in Vite, JavaScript , 2 min read Oct 19, 2025 · When working with TypeScript projects and using Jest as the testing framework, developers often encounter the SyntaxError: Unexpected token 'export' error. Many of the threads are long. 3 project with typescript. Jun 9, 2023 · SyntaxError: Unexpected token 'export' #13477 Closed as not planned ThinhVu opened on Jun 9, 2023. When I try running tests for any component that uses react-markdown I get some issues here Jest encountered an unexpected token Jest failed to parse a file. This advice to add this to jest. Nov 28, 2022 · When I run my tests using Jest, I got an SyntaxError: Unexpected token ‘export’ from node_modules/@sendbird/chat/sendbird. js:1. This error can be frustrating, especially for those new to TypeScript and Jest. This happens e. The SyntaxError Unexpected Token export Jest error is a common error that occurs when you try to export a value from a JavaScript module using the export statement. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. Jest unexpected token 'export': How to fix Jest is a popular JavaScript testing framework. I tried putting the library in the public folder but it still doesn't work, vite adds import { injectQuery as __vite__injectQuery } from "/@vite/client"; to the file header and causes this error: Uncaught SyntaxError: Cannot use import statement outside a module Mar 2, 2024 · To solve the "Uncaught SyntaxError Unexpected token 'export'" error, set the `type` of your `<script />` tags to `module`. Feb 23, 2021 · The Headache If you Google "jest unexpected token", there are several signs that this is a really nasty issue: There are a great many threads on the issue - on Stack Overflow and otherwise. config. Mar 1, 2022 · And I think the latter solution would work for this case. js. Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. babelrc and some dependencies, moduleNameMapper and transformIgnorePatterns in jest. This error can occur for a variety of reasons, but it is usually caused by a syntax error in your code. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such May 31, 2023 · Jest encountered an unexpected token Jest failed to parse a file. (see package. However, you may encounter the error unexpected token 'export' when using Jest. json above) SyntaxError: Unexpected token '<' (importing assets/CSS) Mar 9, 2023 · Hi redwood community! I am trying to use react-markdown in a new redwood 4. I tried to add transformIgnorePatterns and moduleNameMapper to my … Jest setup "SyntaxError: Unexpected token export" Asked 9 years, 1 month ago Modified 2 years, 4 months ago Viewed 96k times Jan 30, 2022 · Jest: SyntaxError: Unexpected token 'export' Ask Question Asked 4 years, 1 month ago Modified 4 years, 1 month ago The Jest SyntaxError: Unexpected Token 'export' error occurs when you try to export a module in your Jest test file but you don't use the export keyword correctly. The threads span a number of years - meaning that the issue keeps cropping up for people repeatedly. I had the exact same problem when using jest with vite+swc and a component using the d3 library (d3-array and d3-shape was having a problem). May 5, 2022 · My production build is failing to load with an error: Uncaught SyntaxError: Unexpected token 'export' (at index. 6ba19733. g. Haven't you ever been annoyed by the common SyntaxError: Unexpected token 'export' that you get when you forget to downgrade ESM to CommonJS in Jest, and the weird negative regex in transformIgnorePatterns? Jan 21, 2026 · Using option 4 in their provided list of remedies, we can update the transform property in our Jest configuration. js:130367:1) Looking at the generated file, this line refers to: export { $3 Oct 23, 2023 · Have you configured jest together with react-testing-library and now gotten Jest SyntaxError: Unexpected token 'export' when building? I tried multiple things, like modifying . sbqs ilire mney xuadx dsjxvdh iwvtl fapl rvxv oets diuggvz