zsh: try to optimiza startup time

home/common/zsh.nix

@@ -17,7 +17,7 @@
 
   programs.zsh = {
     autocd = true;
-    enableCompletion = true;
+    enableCompletion = false;
     defaultKeymap = "viins";
     dotDir = config.home.homeDirectory;
 
@@ -116,6 +116,13 @@
         RPS1="{{$BUBBLEWRAP_DIR}}"
       fi
 
+      autoload -Uz compinit
+      if [[ -n $(print -r -- ~/.zcompdump(Nmh-24)) ]]; then
+        compinit -C
+      else
+        compinit
+      fi
+
       # Recompile .zcompdump if stale
       if [[ -f ~/.zcompdump && ( ! -f ~/.zcompdump.zwc || ~/.zcompdump -nt ~/.zcompdump.zwc ) ]]; then
         zcompile ~/.zcompdump