Refactored completion server to use zsocket

completion-client.zsh

@@ -0,0 +1,25 @@
+#!/usr/bin/env zsh
+# Helper script for debugging the completion server
+zmodload zsh/net/socket
+setopt no_hup
+AUTOSUGGEST_SERVER_SCRIPT="${0:a:h}/completion-server.zsh"
+
+server_dir="/tmp/zsh-autosuggest-$USER"
+pid_file="$server_dir/pid"
+socket_path="$server_dir/socket"
+
+[[ -S $socket_path && -r $pid_file ]] && kill -0 $(<$pid_file) &> /dev/null ||\
+	zsh $AUTOSUGGEST_SERVER_SCRIPT $server_dir $pid_file $socket_path &!
+
+# wait until the process is listening
+while ! [[ -d $server_dir && -r $pid_file ]] || ! kill -0 $(<$pid_file) &> /dev/null; do
+	sleep 0.3
+done
+
+zsocket $socket_path
+connection=$REPLY
+print -u $connection vi
+while read -u $connection completion; do
+	print $completion
+done
+exec {connection}>&-