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fnm

https://github.com/Schniz/fnm

Install​

Run curl -fsSL https://fnm.vercel.app/install | bash. It installs with Homebrew. It says:

Installing for Zsh. Appending the following to /Users/albert/.zshrc:

# fnm
FNM_PATH="/Users/albert/Library/Application Support/fnm"
if [ -d "$FNM_PATH" ]; then
  export PATH="/Users/albert/Library/Application Support/fnm:$PATH"
  eval "`fnm env`"
fi

In order to apply the changes, open a new terminal or run the following command:

  source /Users/albert/.zshrc

The install script adds the following to ~/.zshrc:

# fnm
FNM_PATH="/Users/albert/Library/Application Support/fnm"
if [ -d "$FNM_PATH" ]; then
  export PATH="/Users/albert/Library/Application Support/fnm:$PATH"
  eval "`fnm env`"
fi

But it doesn't work. I've had to replace it with eval "$(fnm env --shell zsh)" or eval "$(fnm env --use-on-cd --shell zsh)".

At https://nodejs.org/en/download it says:

# Download and install fnm:
curl -o- https://fnm.vercel.app/install | bash

# Download and install Node.js:
fnm install 22

# Verify the Node.js version:
node -v # Should print "v22.16.0".

# Verify npm version:
npm -v # Should print "10.9.2".

Upgrade​

Upgrade using Homebrew (brew upgrade).