syntaxerror: cannot use import statement outside a module jest

Could you please elaborate on why. If you're using Typescript, then you should install ts-jest and configure it! Example: I'm new to Node.js, and I got the same issue for the AWS Lambda function (using Node.js) while fixing it. . 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. On the other side, when you run the test with react-scripts it uses babel behind the scene to Transpile the code. Steps (I use pnpm, but of course you could do the same with yarn or npm): Delete jest.config.js, and create vite.config.ts: tl;dr: tsconfig.spec.json > { "compilerOptions": { "allowJs": true }}. Well occasionally send you account related emails. Looking for job perks? Shocker. Can my creature spell be countered if I cast a split second spell after it? .babelrc is local to your project so it won't be applied to node_modules in Jest. What was the actual cockpit layout and crew of the Mi-24A? Be careful out there folks! How to fix the 'SyntaxError: Cannot use import statement outside a module' with Jest? Here are the dependencies I started with: Verify that you have the latest version of Node.js installed (or, at least 13.2.0+). Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? By default, if Jest sees a Babel config, it will use that to transform your . Let me clarify what a module is and I think that'll solve your confusion: @xpt Think of it this way, you're writing an app and working on a file named main-file.js. I had the same issue and the following has fixed it (using Node.js 12.13.1): More information: https://nodejs.org/api/esm.html. "Signpost" puzzle from Tatham's collection. This is not really an option if the problem is under node_modules/ right? However, this does not work for me. I have an angular library in the Nx workspace that utilizes the ngx-translate library which is working when I serve the app in the workspace but the libraries jest tests fail for the components using either the translate service or pipe. How to resolve "Cannot use import statement outside a module" from Jest when running tests? Hm, interesting, that preset only sets the {allowJs: true} setting. The problem is some of the (node_) modules you're using need to be transpiled and some don't. To sum it up, a module is a js file that can be separated by its functions so it can export particular functions opposed to the whole file. As answers above have described, Jest doesn't support ES6 modules. SyntaxError: Cannot use import statement outside a module might also come from some imported library under node_modules, for example.\node_modules\node-fetch\src\index.js:9 import http from 'node:http'; ^^^^^ The trick for me was to use the transformIgnorePatterns option in jest config: This happens e.g. However if you checkout the above repo, which was imported into this sandbox it will not pass locally. when we misconfigure jest in a TypeScript project and run test files directly Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? Posted a working configuration here https://stackoverflow.com/a/63118113/6456392. Now, try Not the answer you're looking for? If I use this, then change the path to include the "js" for the required file, then change the format of the export statements in the required file, and then take all the "require" statements I changed from "import"because now "require" is unknownthis will work, so I'll accept this answer. Connect and share knowledge within a single location that is structured and easy to search. I Tried with all the methods, but nothing worked. What worked for me was to make sure that the transform property in the jest config included ts, tsx, js, and jsx for ts-jest and have transformIgnorePatterns include the path too that node module. console.warn Unexpected error: SyntaxError: Cannot use import statement outside a . Why does Acts not mention the deaths of Peter and Paul? Please file it with jest. Why does contour plot not show point(s) where function has a discontinuity? On whose turn does the fright from a terror dive end? It's async and so can't be used to import anything at the file level. I couldn't get rid of this SyntaxError: Cannot use import statement outside a module error no matter what I have tried and it got so frustrating. Checking Irreducibility to a Polynomial with Non-constant Degree over Integer, English version of Russian proverb "The hedgehogs got pricked, cried, but continued to eat the cactus". Damn it saved me from lots of trouble. Can I general this code to draw a regular polyhedron? This used to work fine, but after updating Jest the tests now cease to run. The fix which worked for me was to add this to file babel.config.json in the plugins section: I had some imported module with // and the error "cannot use import outside a module". I was able to resolve this issue by changing the line in package.json. Jest unit test of Svelte component using svelte-material-ui results in SyntaxError: Cannot use import statement outside a module 2 create-react-app and jest - Cannot use import statement outside a module This usually means that you are trying to import a file which Jest cannot parse, e.g. Dumb but it wasn't worth the effort to figure it out right now. I think the problem is in the standard node executable. Counting and finding real solutions of an equation. Most of what I've found for solutions don't seem to apply to straight Node. @blu10 it just didn't work for me I guess, OP didn't try to make it work for typescript, This worked for me when I got the error on an import statement for the node module. this worked for me. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". Hi everyone, I'm workin' with a webpack.config.js'and main.js files, but I'm still getting errors, it must be the node version, I've the latest v14.4.0 and I'm still getting these errors. What were the poems other than those by Donne in the Melford Hall manuscript? This turned out to be pretty specific to our codebase and having NODE_ENV set to production in our test environment. Execute node with --experimental-vm-modules, e.g. This means both .js and .mjs types are the same. Solved mine by adding "modules": "commonjs" inside .babelrc -> presets -> @babel/preset-env. You can just use the below changes. How to create a virtual ISO file from /dev/sr0, Understanding the probability of measurement w.r.t. Q&A for work. In newer version of jest, babel-jest is now automatically loaded by Jest and fully integrated. To solve the error, transform your test files with ts-jest before running Making statements based on opinion; back them up with references or personal experience. Bug Report $ jest --no-cache FAIL test/mainA.test.js Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Understanding the probability of measurement w.r.t. Tikz: Numbering vertices of regular a-sided Polygon, Generic Doubly-Linked-Lists C implementation, Futuristic/dystopian short story about a man living in a hive society trying to meet his dying mother, Understanding the probability of measurement w.r.t. This usually means that you are trying to import a file which Jest cannot parse, e.g. so even if I add, thank you! Yes! rev2023.4.21.43403. I tried in your repo and it worked. SyntaxError: Cannot use import statement outside a module #2838 - Github Asking for help, clarification, or responding to other answers. I just replaced all the "imports" with "requires" and all is well now. I had to make sure, that ts-jest wouldn't ignore (when transforming) .js files in troublesome dependency. in the upper level as show below: import statements are permitted only in ES modules. when your code or its dependenc. I need help please ! They do not run currently. that worked! or use babel! SyntaxError: Cannot use import statement outside a module If I run my test, I can see that the error has been resolved and my test passes. Has depleted uranium been considered for radiation shielding in crewed spacecraft beyond LEO? your test files. The file imports a function from a different file located in the same directory. How do I resolve "Cannot find module" error using Node.js? the full information is here; https://babeljs.io/docs/en/babel-node. Cannot use import statement outside a module - Medium How about saving the world? Error: SyntaxError: Cannot use import statement outside a module, https://stackoverflow.com/questions/55794280/jest-fails-with-unexpected-token-on-import-statement, BUG-1: Jest Testing Failing on ES6 Imports, https://xperimentalhamid.com/how-do-i/fix-cannot-use-import-statement-outside-a-module/. Any tips? I doubt this will help future travelers who have the same problem. This will let you use antd/es/ in your code but will replace it with antd/lib/ on your tests. So I changed the "import" to a "require" and this worked. server.js is the "main" inside package.json file, replace it with the relevant file inside your package.json file: If you are using node, you should refer to this document. Right now, the only way to do that is to either create a HTTP content-type on the server of "module" for any file with a .mjs extension and change your file extension on module JavaScript files to ".mjs", or have an HTML script tag with type="module" added to any external