dotfiles/node/nvm.zsh

#!/usr/bin/env zsh

export NVM_COMPLETION=true
source ~/.zsh-plugins/zsh-nvm/zsh-nvm.plugin.zsh

# Call nvm use automatically whenever a directory containing .nvmrc is entered.
autoload -U add-zsh-hook

function load-nvmrc()
{
  local nvmrc_path
  nvmrc_path="$(nvm_find_nvmrc)"

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

    if [[ "$nvmrc_node_version" == "N/A" ]]; then
      nvm install
    elif [[ "$nvmrc_node_version" != "$(nvm version)" ]]; then
      nvm use
    fi

  elif [[ -n "$(PWD=$OLDPWD nvm_find_nvmrc)" ]] \
    && [[ "$(nvm version)" != "$(nvm version default)" ]]; then
    echo "Reverting to nvm default version"
    nvm use default
  fi
}

add-zsh-hook chpwd load-nvmrc
load-nvmrc