How to Solve Angular CLI Installation Issues with Node.js

Published: 27 March 2025
on channel: vlogize

Learn how to fix the `Angular CLI` installation errors caused by deprecated `npm` packages in Node.js. Get step-by-step guidance to successfully install `Angular CLI` and start your project.
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This video is based on the question https://stackoverflow.com/q/74577356/ asked by the user 'Sinan Bay' ( https://stackoverflow.com/u/3784136/ ) and on the answer https://stackoverflow.com/a/74624726/ provided by the user 'Tuan Anh' ( https://stackoverflow.com/u/20642990/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Introduction

If you're a web developer who has just set up Node.js and are trying to install Angular CLI, you might have encountered an error message related to deprecated packages. This can be frustrating, especially if you're eager to start your Angular project. In this post, we'll explore the common problem of Angular CLI not installing properly and provide a straightforward solution to fix it.

The Problem

After installing Node.js (in this case, version 18.12), the user tries to install Angular CLI but is met with a warning that states:

[[See Video to Reveal this Text or Code Snippet]]

Despite deleting related npm folders and trying to reinstall, the issue persists. So, what causes this problem?

Understanding the Cause

The main reason for the installation issue is that the latest version of Node.js (npm) does not recognize the Angular CLI version that you are trying to install. This is a common scenario where compatibility between different versions of Node.js and packages can lead to unsuccessful installations.

Solution: Installing a Specific Version of Angular CLI

To resolve the issue, you need to specify the version of Angular CLI you want to install. Here’s how:

Step-by-Step Guide

Open your Terminal (Command Prompt):
Depending on your operating system, open the Command Prompt, PowerShell, or Terminal.

Install Angular CLI Using npm:
Use the following command to install a specific version of Angular CLI. For example, you can install version 11.2.18:

[[See Video to Reveal this Text or Code Snippet]]

This command specifies the exact version of Angular CLI you wish to install, aiding compatibility with your current Node.js setup.

Verify Installation:
After running the installation command, you can check if Angular CLI is installed successfully by running:

[[See Video to Reveal this Text or Code Snippet]]

This command will display the installed version of Angular CLI along with other related information.

Why is Versioning Important?

Selecting a specific version of Angular CLI helps avoid compatibility issues that arise when using the latest versions of both Node.js and Angular CLI. It allows you to:

Ensure stability in your development environment.

Reduce the chances of encountering deprecation warnings.

Maintain compatibility with existing applications.

Conclusion

If you've been struggling with installing Angular CLI due to npm warnings and version mismatches, following the steps outlined in this post should greatly simplify the process. By specifying the version during installation, you can get back to focusing on building your Angular projects without the installation hiccups.

Further Tips

Always keep your Node.js and Angular CLI versions in check and compatible.

When you encounter similar issues, don’t hesitate to check the release notes or changelogs of the packages for compatibility information.

With this guide, you're now equipped to resolve installation issues and move ahead with your Angular development journey. Happy coding!

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