The way using the standard executable (runner): The way using the nodemon executable (runner): Do not forget to install nodemon with npm install nodemon ;P. Note: this works amazing for development. The change needs to be applied to jest config I think, Next.js and Jest: SyntaxError: Cannot use import statement outside a module, https://github.com/vercel/next.js/discussions/31152#discussioncomment-1697047, https://github.com/vercel/next.js/blob/435eca3fc5b5dd23cad6cff43632bdcc777727d9/packages/next/src/build/jest/jest.ts#L156-L173, https://github.com/inclusion-numerique/mediature/commit/cfe3ad85ab13d3f38d863afb8ee24b6995ae4e00, github.com/remarkjs/react-markdown/issues/. No clear solutions. In my configurations ts-jest + jest-puppeteer I added the following transform property to jest.config.js: I could resolve the issue with this help: Heroku defaults to setting that to test but we were overriding that causing some problems. What worked for me was changing the modules option of Babel's ENV preset from false to auto. Why? Using env setup in babel.config: env.test.preset: ['@babel/plugin-transform-modules-commonjs']. It's not them. Be careful out there folks! After upgrading to ts-jest 27: SyntaxError: Cannot use import statement Thanks for contributing an answer to Stack Overflow! example.test.ts or example.spec.ts. I have a sinking feeling that things have changed between jest v26 and v27. SyntaxError: Cannot use import statement outside a module #317 - Github This is determined by the Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Next.js Cannot use import statement outside a module in third party library, "Uncaught SyntaxError: Cannot use import statement outside a module" when importing ECMAScript 6, SyntaxError: Cannot use import statement outside a module, Jest: Cannot use import statement outside a module, Jest or Mocha with Vue: SyntaxError: Cannot use import statement outside a module, Jest + Vue3 + @Vueform/slider "SyntaxError: Cannot use import statement outside a module", Jest and Babel transpilation - SyntaxError: Cannot use import statement outside a module, Converting jest test to typescript: SyntaxError: Cannot use import statement outside a module. They should go to devDependencies instead. Hi Alex, it's been a while since worked in Java project but I hope that this link can give you a clue on where to locate the package.json file: Not saying this answer is wrong, I've seen the same docs. Thanks for contributing an answer to Stack Overflow! ', referring to the nuclear power plant in Ignalina, mean? Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey. In my case I'm using nextJs, and I solved my problem removing "next/babel" preset when I'm on Test enviroment (For any reason, using "next/babel", console shows the error: "SyntaxError: Cannot use import statement outside a module"): @kauecastro NextJS is very nice. node target.ts. This used to work fine, but after updating Jest the tests now cease to run. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Where is exactly does this configuration reside? The Node documentation has a ton more information, also about interop between CommonJS and ES modules.". Edit: I wish there was a sane way to do a module or main relative import, rather than having to specify the full path (which then forces the resolver to use that version instead of picking the right cjs or es6 version), or having to expose the export (which then forces large bundle sizes on anything using the cjs version, which can't tree shake). In my case. SyntaxError: Cannot use import statement outside a module What is scrcpy OTG mode and how does it work? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, I tried next/js as described in the docs and also extended the custom jest config, but I still get. By default, jest looks for test files by matching files inside of a . Why typically people don't use biases in attention mechanism? Beyond that, we attempt to follow node's logic for activating "ESM mode" (such as looking at type in package.json or mjs files), see their docs for details. The simplest way forward is to update your test script to execute node with --experimental-vm-modules e.g. There is no error when using "test": "react-scripts test". Is it safe to publish research papers in cooperation with Russian academics? @GunarGessner is there a particular reason why .babelrc doesnt work? What differentiates living as mere roommates from living in a marriage-like relationship? However, I encounter a SyntaxError: Cannot use import statement outside a module for components where I import rehype-raw. What were the most popular text editors for MS-DOS in the 1980s? I don't want to hate on Jest, I actually think it's a wonderful and intuitive testing tool. Why not upload images of code/errors when asking a question? If you want to treat other file extensions (such as ts) as ESM, please use the extensionsToTreatAsEsm option. that worked! Had to SSH into CircleCI to fix, which I didn't know was an option and is a handy debugging tool. Just setup babel in your node app it will work and It worked for me. add an additional pattern to the transform section, if you want TypeScript to process JS files, set, if you do not want TypeScript to process your. This issue has been automatically locked since there has not been any recent activity after it was closed. Can someone explain why this point is giving me 8.3V? How is white allowed to castle 0-0-0 in this position? For those who were as confused as I was when reading the answers, in your package.json file, add How can I mock an ES6 module import using Jest? cross-env allows to change environment variables without changing the npm command. SyntaxError: Cannot use import statement outside a module (phpStorm/Js/Jest) . Babel unexpected token import when running mocha tests. Adding EV Charger (100A) in secondary panel (100A) fed off main (200A). I was about to give up on jest but found a solution. But ultimately Vitest "Just Works" (tm), and you can use the same simple Jest style API we all have come to love. Therefore, you have 2 choices: Jest now ships with experimental support for ECMAScript Modules (ESM): https://jestjs.io/docs/ecmascript-modules.
