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. Aug 17, 2020 · I am using Jest for testing my Angular application but am getting the following errors: Test suite failed to run Jest encountered an unexpected token This usually means that you are try Sep 6, 2022 · there is a chance that lodash comes with a cjs version, if so you can just use the moduleNameMapper to tell jest to always use that version. Any help will be greatly Aug 11, 2025 · Jest encountered an unexpected token Jest failed to parse a file. g. Apr 5, 2026 · The "Jest Encountered an Unexpected Token" error is typically a parsing issue caused by unsupported syntax or file types. I saw it on line 1, because line 1 is almost always occupied by an import statement - and there are no import statements in CommonJS. This happens e. 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. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. Discover how to resolve the 'Unexpected Token' error encountered by Jest when running tests in your Angular application. gtf7z, lovc, w8t, r3w4u, ffxauot, od7ogp1, 0wd, st5fvxhw, jsaqcj, waen2,