`SyntaxError: Cannot use import statement outside a module` JSでimportの箇所でエラー起きる . Another issue might be that you are loading a file which uses es6 with normal js files . Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. SyntaxError: Cannot use import statement outside a module because a node_module uses an import statement. For creating temporary files jest cannot use import statement outside a module vue directories see the tempfile module, and for file. However, Jest fails every single test with the same ereror : SyntaxError: Cannot use import statement outside a module, where this module is located inside my node_modules folder Update 3: Since Node 13, you can use either the My current code is below How Much Meat Is On A 3 Lb Chicken om as its TLD In other words, {"type":"module"} tells Node . Your jest.config.js looks good to me. Conclusion On the other side, when you run the test with react-scripts it uses babel behind the scene to Transpile the code. Bug Report. SyntaxError: Cannot use import statement outside a module What I did was I installed the dependencies needed for vue and jest to work together, then I created a config file for babel and jest. I'm writing a Next.js app, use Jest as my test runner and Magic for authentication. Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e.g. Solution 1 - Add "type": "module" to package.json. Another issue might be that you are loading a file which uses es6 with normal js files . How to fix the 'SyntaxError: Cannot use import statement outside a ... SyntaxError: Cannot use import statement outside a module If you are taking advantage of ES Modules, whether through a .mjs extension or babel transpilation, it's likely that you're using the import / export syntax. Samuel Hwang - Thursday, June 10, 2021 at 02:59 PM . Jest: Cannot use import statement outside a module Solution 3 - Use import and require to load the modules. jest node_modules cannot use import statement outside a module 27. cannot use import statement outside a module in jest dotnet. Solution 2 - Add type="module" attribute to the script tag. Fix Cannot use import statement outside a module Issue import * as THREE . モジュール外でimportステートメントを使用できない問題を修正 Fantashit April 22, 2021 3 Comments on SyntaxError: Cannot use import statement outside a module. Nice! If we return it from process we get "SyntaxError: Cannot use import statement outside a module". However, Jest fails every single test with the same ereror : SyntaxError: Cannot use import statement outside a module, where this module is located inside my node_modules folder. OR. module. I have this issue when I'm trying to run the tests with this configuration: jest.config.js. With this, all .js and .mjs files are interpreted as ES modules. SyntaxError: Cannot use import statement outside a module - GitHub For example, if I use the below statement in one of my npm project : As answers above have described, Jest doesn't support ES6 modules. binary assets) you can stub them out with the "moduleNameMapper" config option. "SyntaxError: Cannot use import statement outside a module" when ... -type dir -name node_modules | xargs rm -rf && yarn. If we return it from process we get "SyntaxError: Cannot use import statement outside a module". Answer by Alonzo Preston In the nearest parent package.json file, add the top-level "type" field with a value of "module".This will ensure that all .js and .mjs files are interpreted as ES modules. [Solved] Uncaught SyntaxError: cannot use import statement outside a module Context. Running yarn test: You can fix the issue by building the script file and importing them. // jest.config.js preset: 'ts-jest' Level up your programming skills with exercises across 52 languages, and insightful discussion with our dedicated team of welcoming mentors. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". Jest: SyntaxError: Cannot use import statement outside a module Run the following command in your terminal line to find all nested node_modules, delete them, and run yarn again: find . So I guess if the module were called babel-jest-hooray then the "path to transformer" would be the string "babel-jest-hooray". "SyntaxError: Cannot use import statement outside a module" when ... cannot use import statement outside a module babel You can interpret individual files as CommonJS by using the .cjs extension. Creating ssr build with "npm run build:ssr" works fine and creates /dist with two folders - /browser and /server and a main.js file inside /server. Install dependencies yarn add --dev jest @babel/core babel-jest 2. then I created a config file for babel and jest. TL;DR. My Jest test crashes with. jest: using import and es modules | /*code-comments*/ Why? You probably want to call the function in a useLayoutEffect though, since it seems to change the DOM. Conclusion. • If you need a custom transformation specify a "transform" option in your config. Now while deploying the ssr . Problematic use case. // package.json { "type": "module" } Running Jest test get error "Cannot use import statement outside a module" You can fix the issue by building the script file and importing them. jest: using import and es modules. Jest needs babel to work with modules. Statement Import Outside Use Cannot Node A Module when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. "SyntaxError: Cannot use import statement outside a module" when running a Jest test with Vue Js SyntaxError: Cannot use 'import.meta' outside a module appears in any test touching the file. typescript - Jest: node_module dependency uses import statement and ... Jest vs "import statement outside a module" - David Votrubec | Notes ... if you want to run like that then you have to add babel. SVGMorph import showing "SyntaxError: Cannot use import statement ... Jest with configuration using ts-jest gives me this error, that comes from that imported library which itself imports some code: . I'm working on an angular (8.0.2) project which has ssr configured with angular universal. Vite is the brand new development server created by Evan You. To solve the error, you have to make sure that your TypeScript files are compiled to JavaScript before they are ran, because jest on its own cannot understand TypeScript. Please file it with jest. SVGMorph import showing "SyntaxError: Cannot use import statement outside a module" on React "I've long felt like GSAP is the best kept secret in JavaScript." John Polacek ^^^^^ SyntaxError: Cannot use import statement outside a module I've tried updating . exports = { verbose: true, preset: 'react-native-web' } babel.config.js. Additional context Setting NODE_OPTIONS=--experimental-vm-modules does not work. Create a babel.config.js By default, a Next.js project uses a file called .babelrc to configure Babel. • If you need a custom transformation specify a "transform" option in your config.