NVM automatic use for zsh

nvm-automatic-use.zsh

# NVM automatic use - based on https://stackoverflow.com/a/39519460
# but modified to only log that a missing version should be installed instead of trying to auto-install it.
# Copy / source this into your ~/.zshrc or similar profile.

# Source - https://stackoverflow.com/a/39519460
# Posted by Rotareti, modified by community. See post 'Timeline' for change history
# Retrieved 2026-02-20, License - CC BY-SA 4.0

autoload -U add-zsh-hook
load-nvmrc() {
    local node_version="$(nvm version)"
    local nvmrc_path="$(nvm_find_nvmrc)"

    if [ -n "$nvmrc_path" ]; then
        local nvmrc_node_version=$(nvm version "$(cat "${nvmrc_path}")")

        if [ "$nvmrc_node_version" = "N/A" ]; then
            local requested_version=$(cat "$nvmrc_path")
            echo "Please install Node $requested_version"
        elif [ "$nvmrc_node_version" != "$node_version" ]; then
            nvm use
        fi
    elif [ "$node_version" != "$(nvm version default)" ]; then
        echo "Reverting to nvm default version"
        nvm use default
    fi
}
add-zsh-hook chpwd load-nvmrc
load-nvmrc