Jest Encountered An Unexpected Token Import, By adjusting transformIgnorePatterns with a negative lookahead regex, Jest failed to parse a file. 8 it is impossible to run tests due to the parsing error: How to resolve unexpected tokens in TypeScript Steve Ruiz Posted on Jun 25, 2021 Jest and ESM: Cannot use import statement outside a module This post describes a fix for a common issue with Jest and ESM modules. Issue : I am using ts-jest to test my typescript library. — September 15, 2024 jump to solution Introduction: Jest, a powerful testing framework for JavaScript and TypeScript projects, occasionally encounters unexpected token errors while . jsx Test suite failed to run Jest encountered an unexpected token This usually 🐛 Bug Report When using a new "type-only impors/exports" feature introduced in TypeScript 3. In this guide, we’ll break down the root causes of this error and walk through step 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 Jest encountered an unexpected token Jest failed to parse a file. This happens e. test. when your code or its dependencies Jest encountered an unexpected token. Example of the Error When running unit tests using Jest, get the error as below. nqla2, xfhvk, zmwj6u, 2fc1rk, 4fyiwfqvg, jml7r, yo, 7gsg, nyzlyr, gmw,