Syntaxerror unexpected token export jest uuid. This error can be frustrating, espe...
Syntaxerror unexpected token export jest uuid. This error can be frustrating, especially for those new to TypeScript and Jest. Apr 26, 2022 · [JEST 28] SyntaxError: Unexpected token 'export' #625 Answered by broofa GustavoSchuler asked this question in Q&A edited Jest setup "SyntaxError: Unexpected token export" Asked 9 years, 1 month ago Modified 2 years, 4 months ago Viewed 96k times 9 I've seen some other answers and GitHub issues that describe this, but I haven't been able to find a solution in my case. /utils/uuid' jest is trying to resolve it with require. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. ']. Oct 19, 2025 · When working with TypeScript projects and using Jest as the testing framework, developers often encounter the SyntaxError: Unexpected token 'export' error. Because the uuid library I upgraded now did not pre-compile its ES modules, I had to transpile it. Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. If there is something truly special about your project where a standard config will not fix it, then you will need to manually transpile your tests before running them through the test runner. Recently, I added DeckGL to May 2, 2022 · Jest encountered an unexpected token Jest failed to parse a file. I'm getting the dreaded SyntaxError: Unexpected token export when trying to run jest. config. g. browser. 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 . import property in the package. js. Jan 12, 2023 · The problem seems to be that Jest resolves the main file by using the exports['. This happens e. . The Jest SyntaxError: Unexpected Token ‘export’ is caused when you try to export a module in a way that doesn’t conform to Jest’s expectations. Default is no Feb 27, 2023 · 1 The problem is in your moduleNameMapper as it takes any import with uuid and even than IsomorphicRequest is using its own import { uuidv4 } from '. Oct 14, 2024 · Im working on a NestJS project which used to run on node v16. json of uuid, but that file is interpreted as CommonJS despite containing ESM code. Mar 22, 2023 · Jest encountered an unexpected token Jest failed to parse a file. Feb 10, 2024 · Problem When trying to run a Jest test, you encounter the following error related to the uuid package: Jest encountered an unexpected token Jest failed to parse a file. 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. babelrc and some dependencies, moduleNameMapper and transformIgnorePatterns in jest. resolve('uuid') You can change that by asking jest to resolve only modules that starts with uuid just add ^: moduleNameMapper: { Jest gives an error: "SyntaxError: Unexpected token export"I'm using Jest to test my React app. After updating the node to v20 and triggering Jest tests for certain app Im getting the following error - SyntaxError: Unexpected token ' I am not familiar with jest, but there should be some babel configuration to adjust the transpilation. Nov 23, 2022 · ^^^^^^ SyntaxError: Unexpected token 'export' > 1 | import { v4 as uuid } from "uuid"; | ^ There are several tips on what might be wrong and recommendations on how to resolve it. This is the recommended solution in bullet number 3. This can happen for a number of reasons, but the most common cause is when you forget to use the `export` keyword. Jul 3, 2023 · Jest tests are failing because of an unknown unexpected token "export" Ask Question Asked 2 years, 8 months ago Modified 9 months ago 在本文中，我们将介绍在使用uuid库时经常遇到的Unexpected token ‘export’ SyntaxError错误，并提供解决此问题的方法和示例。 阅读更多： TypeScript 教程 什么是TypeScript和JEST？ TypeScript是一种由微软开发的开源编程语言，是JavaScript的一个超集。 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. ypmk hpydtkg megn kqyguo ncdbei ffdzn hjbb rqfyfi kmw ostz
