Add nvmrc hook on chpwd

home/.zsh/custom/walkah.zsh

@@ -1 +1,9 @@
-# oh-my-zsh complains without a .zsh file in here
+# oh-my-zsh complains without a .zsh file in here
+
+autoload -U add-zsh-hook
+load-nvmrc() {
+    if [[ -f .nvmrc && -r .nvmrc ]]; then
+          nvm use
+            fi
+}
+add-zsh-hook chpwd load-nvmrc