Fixing Unexpected identifier: import axios from './lib/axios.js'; Error in Node.js

Описание: Learn how to resolve the `Unexpected identifier` error when importing axios in Node.js by upgrading your Node version with NVM.
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Fixing the Unexpected identifier: import axios from './lib/axios.js'; Error in Node.js

When working with Node.js and importing libraries like axios, developers sometimes encounter the frustrating Unexpected identifier error. This situation often arises when there's a mismatch between the Node.js version and the import/export syntax being used. In this guide, we'll break down the steps to resolve this error effectively by updating your Node.js version with NVM (Node Version Manager).

Understanding the Problem

You may have a file named test.js that includes the line:

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Upon execution with the command:

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You might experience the following error message:

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This error indicates a version issue: the Node.js you are using (version 10.19.0) does not support ES module syntax (the import statement). To resolve this, upgrading Node.js is the recommended solution.

Steps to Fix the Error

Here’s a step-by-step guide to effectively resolve this issue by installing and using NVM to manage your Node.js versions:

1. Install Curl

Curl is necessary to download the NVM installation script. In your terminal, execute the following command:

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2. Install NVM

With Curl installed, continue by installing NVM using the command below:

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This command fetches and runs the NVM installation script from GitHub.

3. Load NVM Script

Once installed, you need to load NVM. Add these lines to your terminal session or your profile (like .bashrc or .bash_profile):

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4. List all Node Versions

To see which Node.js versions are available for installation, use the following command:

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This will display all the versions that can be installed through NVM.

5. Select a New Version of Node

Choose a Node version that supports ES modules (for example, version 19.0.0 or later) by executing:

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6. Run Your File

Finally, you can run your test.js file smoothly with the updated Node.js version:

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Conclusion

By following the steps outlined above, you’ll be able to resolve the Unexpected identifier error and take full advantage of modern JavaScript features through the axios library in Node.js. Upgrading your Node.js version with NVM simplifies the management of different Node versions, allowing you to work with projects that may require specific versions effortlessly.

Now you're all set to enhance your JavaScript experience!