zsh: add transient prompt

config/zsh/prompt.zsh

@@ -27,7 +27,7 @@ typeset -gA icons=(
   [clock]=" "
 )
 
-fs-prompt-render() {
+fs-prompt-render-full() {
   setopt localoptions shortloops
 
   local separator="${zfg[faded]} ❯ "
@@ -40,21 +40,23 @@ fs-prompt-render() {
     "$(fs-prompt-jobs)"
     "$(fs-prompt-exec-time)"
   )
-  echo "${(@pj.$separator.)sections:#}${zfg[rst]}"
+  echo "\n${(@pj.$separator.)sections:#}${zfg[rst]}"
 
-  local prompt_color
   if ((PROMPT_EXIT_CODE == 0)); then
-    prompt_color="${zfg[faded]}"
+    echo -n "${zfg[faded]}"
   elif ((PROMPT_EXIT_CODE > 128 && PROMPT_EXIT_CODE < 160)); then
-    prompt_color="${zfg[white]}"
+    echo -n "${zfg[white]}"
   else
-    prompt_color="${zfg[red]}"
+    echo -n "${zfg[red]}"
   fi
-  echo -n "$prompt_color"
   (($SHLVL > 1)) && printf '󰅂%.0s' {2..$SHLVL}
   echo -n "❯ ${zfg[rst]}"
 }
 
+fs-prompt-render-compact() {
+  echo -n "${zfg[magenta]}❯ ${zfg[rst]}"
+}
+
 fs-prompt-exit-code() {
   ((PROMPT_EXIT_CODE == 0)) && return
 
@@ -203,6 +205,13 @@ fs-prompt-precmd() {
   unset PROMPT_EXEC_START  # needed because preexec is not always called
 
   local job_count='%j'; PROMPT_JOB_COUNT=${(%)job_count}
+
+  PS1='$(fs-prompt-render-full)'
+}
+
+fs-prompt-zle-line-finish() {
+  PS1='$(fs-prompt-render-compact)'
+  zle reset-prompt
 }
 
 fs-setup-prompt() {
@@ -216,7 +225,9 @@ fs-setup-prompt() {
   add-zsh-hook preexec  fs-prompt-preexec
   add-zsh-hook precmd   fs-prompt-precmd
 
-  PS1='$(fs-prompt-render)'
+  autoload -Uz add-zle-hook-widget
+  # add-zle-hook-widget line-init   fs-prompt-zle-line-init
+  add-zle-hook-widget line-finish fs-prompt-zle-line-finish
 }
 
 fs-setup-prompt