How can I configure npm package installation to function with corporate proxy settings?

I’m experiencing difficulties with npm fetching packages while working over my company’s proxy network. It’s been a challenge for me to resolve this issue.

# I attempted these configurations, but they didn't work
npm config set http-proxy http://proxy.company.com:8080
npm config set https-proxy http://proxy.company.com:8080

Whenever I try to run npm install express or any other package, I end up encountering timeout or connection error messages. Manually downloading each dependency isn’t an option due to the workload involved. Has anyone faced a similar problem? What steps should I take to set up proper package installation through our company’s firewall?

Corporate proxies can be challenging to navigate, and it’s important to ensure that your proxy URL is correctly formatted, especially if different ports are employed for HTTP and HTTPS. Consider setting the registry directly with npm config set registry http://registry.npmjs.org/ to avoid HTTPS complications. If certificate authentication is required, you’ll need to input the CA certificates using npm config set cafile /path/to/certificate.pem. Furthermore, verify that you can access registry.npmjs.org from your browser to rule out DNS issues. In many cases, utilizing your organization’s internal npm registry or tools like Nexus Repository can simplify the process. It’s advisable to consult your IT department for precise proxy configuration requirements.

I encountered similar issues when working behind a corporate proxy. It’s crucial to ensure that your proxy settings are correct. If authentication is necessary, you might need to format your proxy settings accordingly, such as including your credentials: npm config set proxy http://username:[email protected]:8080 for both HTTP and HTTPS. Additionally, be mindful of the port number you’re using, especially for secure connections. If your organization uses self-signed certificates, disabling strict SSL checking might be something to consider, albeit with caution. Finally, reviewing your configurations using npm config list can help verify that everything is in order.

clear your npm cache first with npm cache clean --force, then reset your proxy settings. cached configs can screw things up. also check if your company uses NTLM authentication - you’ll need a different setup than basic auth for that.