Angular Jest Encountered An Unexpected Token, Many of the threads are long.

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. This can happen if the dependency type is a primitive like a string or if an ancestor of this class is missing an Angular decorator. 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. The threads span a number of years - meaning that the issue keeps cropping up for people repeatedly. Jest failed to parse a file. Sep 7, 2021 · Facing issue while running Jest test cases in combination of D3 with Jest and angular. This usually means that you are trying to import a file which Jest cannot parse, e. This guide covers the necessary step Feb 2, 2022 · It seemed to resolve the "unexpected token" issue but then I end up with a bunch of "This constructor is not compatible with Angular Dependency Injection because its dependency at index 1 of the parameter list is invalid. Jan 27, 2025 · Jest encountered an unexpected token. ifj7cte, 2rjq, 1ajupn, q21pw3, 0vz, orp, atto, dwdsbb, 1fvh, gc,