Angular Jest Encountered An Unexpected Token, 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 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. Apr 5, 2026 · The "Jest Encountered an Unexpected Token" error is typically a parsing issue caused by unsupported syntax or file types. Sep 7, 2021 · Facing issue while running Jest test cases in combination of D3 with Jest and angular. Jest failed to parse a file. Sep 5, 2022 · Nx Angular: Jest encountered an unexpected token Asked 3 years, 9 months ago Modified 3 years, 9 months ago Viewed 867 times Jest gives an error: "SyntaxError: Unexpected token export" Asked 8 years, 3 months ago Modified 8 months ago Viewed 295k times Nov 3, 2023 · Jest starts throwing Jest encountered an unexpected token in Angular #9448 New issue. Feb 23, 2021 · Depending upon your setup, you might see the error on the first line of the code file or you might see it when the code tries to process JSX. Many of the threads are long. it's not plain JavaScript. Here's what you can do: May 5, 2025 · When running unit tests using Jest, get the error as below. Jest encountered an unexpected token. gd7, ifejj, nhx7, kwfca, g3sqh, ggc, 5w, dvyux, htdd, xd,