Coding⏱️ 2 min read📅 2026-05-30

How to Fix: "Uncaught SyntaxError: Cannot use import statement outside a module" when importing ECMAScript 6

Use a module bundler like Webpack to resolve the issue.

Quick Answer: Add a module bundler like Webpack to handle ES6 imports and exports.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. ✅ Best Solutions to Fix It
  3. 💡 Conclusion

To resolve the issue of using ECMAScript 6 import statements outside a module, you need to make sure that your JavaScript file is being executed in a browser or Node.js environment where ES modules are supported. The error message indicates that the import statement cannot be used outside a module, which means you're trying to use an ES module syntax in a CommonJS environment.

🛑 Root Causes of the Error

  • You're trying to use an ES module syntax in a CommonJS environment.

✅ Best Solutions to Fix It

Method 1: Babel Transpile

  1. Step 1: Install Babel and its dependencies using npm or yarn.

Method 2: Use a Browser or Node.js Environment that Supports ES Modules

  1. Step 1: Check if your browser or Node.js environment supports ES modules. If not, consider using a different environment.

💡 Conclusion

By following these steps, you should be able to resolve the issue of using ECMAScript 6 import statements outside a module and successfully use Spatial Illusions with your ArcGIS JSAPI application.

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