Add ability to edit vterm command in buffer

emacs/.emacs.d/config/init-vterm.el

@@ -41,8 +41,14 @@
     (comint-send-invisible "Enter password: ")
     (vterm-send-string "\n")
     (clear-this-command-keys))
+  (defun vterm-edit-zsh-command-line ()
+    "Edit the current command line in a temp buffer."
+    (interactive)
+    (vterm-send-C-x)
+    (vterm-send-C-e))
   :general
   (leader-map "v" #'project-vterm)
+  (vterm-mode-map "C-x C-e" #'vterm-edit-zsh-command-line)
   :custom
   (vterm-max-scrollback 10000)
   (vterm-environment '("TYPEWRITTEN_CURSOR=terminal"))

zsh/.zshrc

@@ -128,6 +128,11 @@ fi
 # kubectl completion
 [[ $commands[kubectl] ]] && source <(kubectl completion zsh)
 
+# edit the current command line in $EDITOR
+autoload -U edit-command-line
+zle -N edit-command-line
+bindkey '\C-x\C-e' edit-command-line
+
 # VTerm integration
 # Some of the most useful features in emacs-libvterm require shell-side
 # configurations. The main goal of these additional functions is to enable the