Another way to solve it is and possible other subsequent issues regarding babel and typescript is to use ts-jest, quoted from Jest's getting started. Find centralized, trusted content and collaborate around the technologies you use most. This usually means that you are trying to import a file which Jest cannot parse, e.g. My solution was to include babel-node path while running nodemon as follows: You can add in your package.json script as: NOTE: My entry file is index.js. @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. example.test.ts or example.spec.ts. On whose turn does the fright from a terror dive end? What am I missing? Question: Jest + Typescript + threads.js how can it work together ? without compiling them to JavaScript first. Find centralized, trusted content and collaborate around the technologies you use most. Thanks! SyntaxError: Cannot use import statement outside a module. npm i -D ts-jest @types/jest or yarn add --dev ts-jest @types/jest, Option 1: create a jest configration file jest.config.js, Option 2: add jest configration into package.json. It's not them. Duh One of the test case which I am executing So, you can't compare an app and a module. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. You want to import a function from another file called some-other-file.js. Edit: For the record, I'm using TypeScript. "require" is not defined with the ES6 module, so you can define it this way: Now 'require' can be used in the usual way. it's not plain JavaScript. By clicking Sign up for GitHub, you agree to our terms of service and This fixes the test error, however, another problem that would arise is that this code have a bug. Any tips? What are the advantages of running a power tool on 240 V vs 120 V? Looking for job perks? Explicitly name files with the .mjs extension. @Cocuba answer is spot on and should be the accepted answer because it actually transpiles. rev2023.4.21.43403. Like "ignore everything but " By default, jest seems to assume every npm package imported is just plain JavaScript and doesn't need to be transformed. As far as I understand this, Jest does not support ES6 so node_modules may need to be transformed. https://github.com/inclusion-numerique/mediature/commit/cfe3ad85ab13d3f38d863afb8ee24b6995ae4e00. 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. When you are using Typescript with ECMAScript. To solve the error, make sure that your TypeScript files are compiled to TypeScript Jest: Cannot use import statement outside module Any insight you have on this issue would be appreciated. Jest: test components with ESM dependencies, Jest, TypeScript and ts-jest: SyntaxError: Cannot use import statement outside a module, Jest error "Cannot use import statement outside a module" when importing node-fetch even with the CommonJS format, jest "SyntaxError: Cannot use import statement outside a module", SyntaxError: Cannot use import statement outside a module in jest, Jest report "SyntaxError: Cannot use import statement outside a module" for file in node_modules, Absolute paths (baseUrl) gives error: Cannot find module, "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 - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation.js:1], Jest won't transform the module - SyntaxError: Cannot use import statement outside a module, Next.js and Jest: SyntaxError: Cannot use import statement outside a module. This turned out to be pretty specific to our codebase and having NODE_ENV set to production in our test environment. Similar issue, but the module I'm having problems with has both es6 and cjs versions, and I'd rather use the cjs version rather than transpile the es6 one. This means both .js and .mjs types are the same. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. tx, but do you have an idea where I can find the package.json?? I got stuck in the same situation. 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