Jest

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Fix “Cannot use import statement outside a module” in Node.js, Jest and the Browser

The error “Cannot use import statement outside a module” means code with import was loaded as CommonJS or as a classic script. In Node.js, add "type": "module" to package.json or rename the file to .mjs. In Jest, use babel-jest, native ES module mode or Vitest. In the browser, load the file with .

Published November 12, 20269 min read