Automatically set node version per project using .nvmrc file

auto_nvm_use.sh

# This will run `nvm use` everytime you change directory, if
#   1. an .nvmrc file is present
#   2. there is no .nvmrc but you're not using your default node
# Add it to your `.bash_profile` (or wherever else is suitable for your setup).

enter_directory(){
  if [ "$PWD" != "$PREV_PWD" ]; then
    PREV_PWD="$PWD";
    if [ -e ".nvmrc" ]; then
      nvm use;
    elif [[ $(nvm version) != $(nvm version default)  ]]; then
      echo "Reverting to nvm default version."
      nvm use default
    fi
  fi
}
export PROMPT_COMMAND="$PROMPT_COMMAND enter_directory;"

override_cd_pushd_popd.sh

cd () { builtin cd "$@" && chNodeVersion; }
pushd () { builtin pushd "$@" && chNodeVersion; }
popd () { builtin popd "$@" && chNodeVersion; }

chNodeVersion() {
# if there's a file named ".nvmrc"...
if [ -f ".nvmrc" ] ; then
# use it
nvm use;
fi
}

chNodeVersion;