What is the best way to silence deprecation warnings from npm/nvm in zsh?

I have incorporated nvm into my workflow to manage node versions by installing it as a plugin for zsh using zsh-nvm. Currently, I have two node versions installed - v6.1.0 and v0.10.42. As the project I am working on requires the latter version, I have set it as the default. However, upon opening a terminal window, I consistently receive the following warnings:

npm WARN deprecated This version of npm lacks support for important features,
npm WARN deprecated such as scoped packages, offered by the primary npm
npm WARN deprecated registry. Consider upgrading to at least npm@2, if not the
npm WARN deprecated latest stable version. To upgrade to npm@2, run:
npm WARN deprecated 
npm WARN deprecated   npm -g install npm@latest-2
npm WARN deprecated 
npm WARN deprecated To upgrade to the latest stable version, run:
npm WARN deprecated 
npm WARN deprecated   npm -g install npm@latest
npm WARN deprecated 
npm WARN deprecated (Depending on how Node.js was installed on your system, you
npm WARN deprecated may need to prefix the preceding commands with `sudo`, or if
npm WARN deprecated on Windows, run them from an Administrator prompt.)
npm WARN deprecated 
npm WARN deprecated If you're running the version of npm bundled with
npm WARN deprecated Node.js 0.10 LTS, be aware that the next version of 0.10 LTS
npm WARN deprecated will be bundled with a version of npm@2, which has some small
npm WARN deprecated backwards-incompatible changes made to `npm run-script` and
npm WARN deprecated semver behavior.

Despite adding a ~/.npmrc file with loglevel="error", the warnings persist. It seems like there might be a necessary setting in my .zshrc file. Can someone advise me on where to find this setting?

node.jsnpm

Answer №1

Set the environment variable NODE_NO_WARNINGS to 1 before running the npm install command.

Answer №2

To my knowledge, the only method to prevent these notifications (from npm) is by utilizing a version of npm that does not produce them.

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