Now if some-other-file.js and main-file.js were modules (.mjs), you could 'import' the function you so desire e.g. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. .babelrc is local to your project so it won't be applied to node_modules in Jest. It this a hack? . How about saving the world? I need help please ! How to combine independent probability distributions? density matrix. example.test.ts or example.spec.ts. TypeScript. There is currently no angular jest preset, that works with ngx-toaster *.mjs However, if you can't figure it out, try with every single module imported in editUser.vue has and then remove them one by one until you find the minimal amount of modules to be ignored. I found this answer the most clear explanation to OP. 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. I had to move over to a .babelrc for integration with parcel (they don't support babel.config.js). So the problem (and perhaps the solution) might be in the babel-jest package.. Making statements based on opinion; back them up with references or personal experience. Counting and finding real solutions of an equation. I will document the steps as a checklist. Node.js supports esm syntax only from v16, but jest doesn't support it yet. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Unexpected token '<' and SyntaxError: Cannot use import statement outside a module. Mozilla has some nice documentation about import. this should be changed now 4.0.0 is finally out. ex: jest.mock('rehype-raw/index.js', () => jest.fn()); I tried a lot of answers here, but nothing worked for me. Reference: 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: The example configuration above should be located in the root directory of your project (where your package.json file is).. Shocker. If you want to treat other file extensions (such as ts) as ESM, please use the extensionsToTreatAsEsm option. Has depleted uranium been considered for radiation shielding in crewed spacecraft beyond LEO? I had Vitest working immediately after installation. Please note this issue tracker is not a help forum. As far as I understand this, Jest does not support ES6 so node_modules may need to be transformed. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey. On what basis are pardoning decisions made by presidents or governors when exercising their pardoning power? So, we'll add our first script, build, in file package.json. I am having this issue with @react-native-firebase/app v6. For anyone using babel instead of ts-jest, also rename your .babelrc to babel.config.json see: which jest config? Can you post the solution if this works please? In order to enable the preset you have to define it in your babel.config.json file, like this: Check for more details on Babel official site. Jest: SyntaxError: Cannot use import statement outside a module in React/Typescript project, Why Jest failing on node-fetch giving syntax error on import, Running Jest test get error "Cannot use import statement outside a module", Jest + Typescript Unable to Import Library (tiny-secp256k1), Babel and Jest configuration: SyntaxError: Cannot use import statement outside a module, Cannot use import statement outside a module - but it is a module. I am working on a Next.js project using TypeScript and for testing I use Jest and React Testing Lib. I sort of assumed it was Babel 7 (since I'm coming from Babel 6 and I had to change the presets) but I'm not 100% sure. Here's what you can do: If you are trying to use ECMAScript Modules, see https . Bug Report I followed this and reported this issue here, however got this response: This is entirely related to your jest config, and has nothing to do with enzyme. Ditto . 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. This solution doesn't work if you're running. Find centralized, trusted content and collaborate around the technologies you use most. Thanks for contributing an answer to Stack Overflow! Connect and share knowledge within a single location that is structured and easy to search. then config your babel file in your repo! Is there a weapon that has the heavy property and the finesse property (or could this be obtained)? I'm not sure if you should keep your jest config inside babel config? I found some of the differences between CommonJS and ES6 JavaScript: Add "type":"module" in the package.json file, Example: import jwt_decode from jwt-decode, Lambda handler method code should be define like this, Don't add "type":"module" in the package.json file. 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