More fnm tweaks

.config/zsh/fnm.zsh

@@ -1,4 +1,14 @@
 export PATH=/home/ted/.fnm:$PATH
 eval "`fnm env`"
 
+autoload -U add-zsh-hook
+_fnm_autoload_hook () {
+    if [[ -f .node-version || -f .nvmrc ]]; then
+        fnm use --install-if-missing
+    fi
+}
+
+add-zsh-hook chpwd _fnm_autoload_hook \
+    && _fnm_autoload_hook
+
 alias nvm="fnm"