Jest Import Unexpected Token. The jest encountered an unexpected token can be caused by the inabil

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. it's not plain JavaScript. Reminders that with Class components, we expect Jest to be used to test props and not methods directly. First, create a sum. If using modules: false on root level, you'll need to use modules: true on the test environment. find('a'). 3. Jest runs the code of your project as JavaScript, hence a transformer is needed if you use some syntax not supported by Node out of the box (such as JSX, TypeScript, Vue templates). Aug 13, 2025 · Jest encountered an unexpected token Jest failed to parse a file. json: { "name": "react-simple-boilerplate Oct 29, 2019 · 34 Another easier option to solve this problem is jest-svg-transformer. xgodqmzog
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