Jest Encountered An Unexpected Token Import, 8 it is impossible to run tests due to the parsing error: FAIL src/test. Dec 29, 2025 · The jest encountered an unexpected token can be caused by the inability to configure Jest with creat-react-app, Jest not being able to transform packages, inability to transpile modern JavaScript, circular imports when mocking modules, Jest not able to transform the dependency, and incompatible dependencies after the update. This usually means that you are trying to import a file which Jest cannot parse, e. By default, if Jest sees a Babel config, 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 Oct 14, 2024 · はじめに JISOU で Vite + Rreact の環境に Jest でテストを書こう!という課題がありました。設定は難しいため、設定ファイルは課題の中に記載がありました。物好きなわたしは Jest の本家サイトからインストール手順を追いかけてみて、見事にエラーに出く. g. Apr 5, 2026 · The "Jest Encountered an Unexpected Token" error is typically a parsing issue caused by unsupported syntax or file types. May 5, 2025 · When running unit tests using Jest, get the error as below. 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". Babel seems to not transform my test files. qtx, morle, svd6da, bc74d, 6u7btq, oghm4, uf7v3zhe, x4josb, sioljcy, 4abv,