if you want to run like that then you have to add babel. The yarn build command produces those files (there is something wrong somewhere, why does the build produces index.js when there is the index.mjs?) SyntaxError: Cannot use import statement outside a module + jest ... Answers Courses Tests Examples binary assets) you can stub them out with the "moduleNameMapper" config option. By default "node_modules" folder is ignored by transformers. Jest - SyntaxError: Cannot use import statement outside a module - NewbeDEV For example, if you are using TypeScript, the transform property of your jest.config.js should look like : SyntaxError: Cannot use import statement outside a module + jest ... Sapper & Jest: "SyntaxError: Cannot use import statement outside a module" tsc cannot use import statement outside a module. it's not plain JavaScript. React: SyntaxError: Cannot use import statement outside a module ... Then Jest will transform the modules into something it can use. [Bug]: SyntaxError: Cannot use 'import.meta' outside a module - GitHub I use pnpm installed it:. Jest calls these values a "path to transformer". Solution 1 - Add "type": "module" to package.json. import '@testing-library/jest-dom' syntaxerror: cannot use import statement outside a module. The above answers, such as use transform, transformIgnorePatterns, moduleNameMapper in jest.config.ts. It required some changes like passing the option --experimental-vm-module to node. To fix the 'SyntaxError: Cannot use import statement outside a module' with Jest, we need to tell Jest to transpile ES6 modules before . making sure jest compiles 'vue-awesome' module to use in the test. I created a clean new project with vue cli and added jest as follows, maybe someone can follow along and tell me what I'm doing wrong.