- Jest encountered an unexpected token react native. js file: You are mixing two presets: jest-expo for Expo apps and ts-jest for TypeScript apps. ---This v Feb 23, 2021 路 The Headache If you Google "jest unexpected token", there are several signs that this is a really nasty issue: There are a great many threads on the issue - on Stack Overflow and otherwise. it's not plain JavaScript. Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. Jul 14, 2023 路 You have a few problems with your jest. Oct 17, 2018 路 Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges, Jun 18, 2021 路 馃悰 Bug Report I keep getting the "Jest encountered an unexpected token" and I've tried a bunch of the fixes recommended online including: adding transformIgnorePatterns to both of these: transformIgnorePatterns: [ "node_modules/ (?! (react- Sep 14, 2018 路 Test failed to run on React-Native app: Jest encountered an unexpected token #4995 Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. 71. Many of the threads are long. Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. You should only use one preset at a time, or use the projects option to separate different sub-projects. kvjn 2h0 blbo mlgxjc0g aoe d2ex gy7xu1 zfn ic xn7
