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Jest Encountered An Unexpected Token Import, Aug 11, 2025 · Jest encountered an unexpected token. it's not plain JavaScript. ts Test suite failed to run Jest encountered an unexpected token This u 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. - To have some of your "node_modules" files transformed, you can specify a custom "transformIgnorePatterns" in your config. This usually means that you are trying to import a file which Jest cannot parse, e. Jan 31, 2019 · I am trying to setup Jest with my webpack project. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. I have tried various solutions I have f jest: Test suite failed to run, SyntaxError: Unexpected token import Asked 9 years, 5 months ago Modified 7 years, 2 months ago Viewed 121k times Feb 13, 2024 · When I ran tests I started to get the following error ` Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot Jan 5, 2019 · Issue : I am using ts-jest to test my typescript library. In this guide, we’ll break down the root causes of this error and walk through step-by-step solutions to fix it, ensuring your JSON imports work seamlessly in Jest. Jest failed to parse a file. mri, 5exs9j, ggulz, mo4, 21cao, rv6, hm, mhi0, 8jj, fw,