run nvm use automatically in a directory with a .nvmrc file

exports

@@ -33,7 +33,35 @@ export CDPATH=$CDPATH:~/Code
 
 # nvm
 export NVM_DIR="$HOME/.nvm"
-[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
+[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion
+
+# Calling nvm use automatically in a directory with a .nvmrc file
+# https://github.com/nvm-sh/nvm#zsh
+autoload -U add-zsh-hook
+
+load-nvmrc() {
+  local nvmrc_path
+  nvmrc_path="$(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
+
 
 # defer loading until needed for faster shell startup
 #declare -a NODE_GLOBALS=(`find ~/.nvm/versions/node -maxdepth 3 -type l -wholename '*/bin/*' | xargs -n1 basename | sort | uniq`)
@@ -51,7 +79,7 @@ export NVM_DIR="$HOME/.nvm"
 #done
 
 # pip should only run if there is a virtualenv currently activated
-export PIP_REQUIRE_VIRTUALENV=true
+# export PIP_REQUIRE_VIRTUALENV=true
 # cache pip-installed packages to avoid re-downloading
 export PIP_DOWNLOAD_CACHE=$HOME/.pip/cache