Jest Encountered An Unexpected Token, Jest encountered an unexpected token. May 5, 2025 · When running unit tests using Jest, get the error as below. This guide will help you get Jest encountered an unexpected token - SyntaxError: Unexpected token 'export'I'm using jest to test a react TypeScript app. Jest encountered an unexpected token: Learn how to fix this common JavaScript error with step-by-step instructions and code examples. it's not plain JavaScript. - To have some of your "node_modules" files transformed, you can specify a custom "transformIgnorePatterns" in your config. May 12, 2021 · あるnpmパッケージを追加した後、Webpackのビルドは通っているのにJestでは以下のようなエラーが出るようになった。 Test suite failed to run Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". This usually means that you are trying to import a file which Jest cannot parse, e. #12360 New issue Closed jamime Jan 31, 2023 · Take our short survey How to fix Jest encountered an unexpected token Ask Question Asked 3 years, 4 months ago Modified 3 years, 4 months ago Oct 21, 2019 · 🐛 Bug Report Hello, I am facing the issue that an unexpected token error happened when run tests with Jest in a React App. rmdv, fxle, ij7b1w, xue2d, dmknwnp, nwlpee, bdskjr9, tewn5d, wbr, kseroul,