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Fix npm install hangs on “sill idealTree buildDeps”

Posted on 08/07/202314/08/2026 Temitope Odemo By Temitope Odemo No Comments on Fix npm install hangs on “sill idealTree buildDeps”
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Npm is a package manager used for JavaScript programming language. It is the default package manager for the JavaScript runtime environment Node.js. Learn How to install Node.js on Ubuntu. When installing npm It is very possible you see the installation getting stuck when you get to the point you see ‘sill idealTree build. In this guide, I will be showing you how to fix npm install hangs on ‘sill idealTree buildDeps’ by following any of the steps below to resolve this issue.

Read this if you want to know How to Install and Uninstall Yarn on Ubuntu Linux, How to Deploy a React Application on Netlify, How to Install SASS on VsCode.

What to do when npm installation hangs?

The Image below the “sill idealTree buildDeps” when installing NPM. Kindly follow the steps below to resolve these issues.

npm-install-hangs

Clear Cache and Registry Config

1. How to fix npm install hangs on ‘sill idealTree buildDeps’ by Clearing Cache and Registry Config

One of the first thing you should do is to clear the cache and set the npm registry by using the following commands. npm connects to a registry to resolve packages by name and version. When the registry is not set correctly the npm install command will get stuck when it gets to the point you see ‘sill idealTree buildDeps’.

Clear-Cache
npm-registry

After running these commands, you can try to run the npm install again. Please see Storage Sense: Manage Storage Drives on Windows, and how to remove printers from HP Utility.

2. Delete the node_modules and reinstall your node dependencies

This issue can be caused when the node_modules and your package-lock.json or yarn.lock files have some issues.

Use these commands on the Windows system.

delete-node_module

Use these commands on macOS or Linux.

macOS-node-delete

3. How to fix npm install hangs on ‘sill idealTree buildDeps’ by Using a YARN Command.

This issue may be resolved if you use the yarn command rather than the npm. You can delete all files related to npm and re-run with yarn.

You can avoid using both npm or yarn commands together as it can cause issues. Please see how to Disable Developer Tools in Microsoft Edge using Registry or Group Policy in Windows, and how to Create a React App with Vite.

yarn-install

4. How to fix npm install hangs on ‘sill idealTree buildDeps’ by Updating your NPM version.

Try to update the version of your NPM. Once you update it the issue could be resolved.

npm-update

5. Restart your code editor.

If the issue persists, restart your code editor and run the npm command again. Here are some more guides: How to Install and Uninstall Yarn on Ubuntu Linux, and how to set up a self-hosted speed test server on Ubuntu Linux.

6. Install the long-term supported (LTS) version of Node.js.

If the issue persists you can install the long-term supported version of Node.js.

FAQ

What is the “sill idealTree” and why does “npm install” hang on it?

The “sill idealTree” is part of the npm package manager’s dependency resolution process. It’s used to construct an “ideal” dependency tree based on the package.json file. If “npm install” is hanging on this step, it might be due to complex or conflicting dependencies in your project.

How can I speed up the “sill idealTree” step during “npm install”?

The “idealTree” construction can be time-consuming for projects with many dependencies. To speed it up, consider using the --prefer-offline and --no-audit flags when running “npm install.” Additionally, if you are using an older version of npm, consider updating to the latest version to benefit from performance improvements.

I hope you found this blog post on how to fix npm install hangs on ‘sill idealTree buildDeps’. Interesting and helpful. In case you have any questions do not hesitate to ask in the comment section.

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Linux, Mac, Version Control System, Windows Tags:Package Management, Packages, Registry

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