Update slugify to a function instead of alias

base/.config/profile/profile.d/base.sh

@@ -1,7 +1,5 @@
 #ft=sh
 
-alias slugify="sed -e 's/[^[:alnum:]]/-/g' | tr -s '-' | tr A-Z a-z"
-
 if type nvim >/dev/null 2>/dev/null ; then
     export EDITOR=nvim
     alias vim=nvim
@@ -9,6 +7,17 @@ else
     export EDITOR=vim
 fi
 
+slugify () (
+    if [ "$#" -ne 0 ] ; then
+        echo "$@" | slugify
+    else
+        iconv --to-code ascii//TRANSLIT |
+            sed -E 's/[^a-zA-Z0-9]+/-/g' |
+            sed -E 's/^-+\|-+$//g' |
+            tr '[:upper:]' '[:lower:]'
+    fi
+)
+
 source_env_file () {
     if [ ! -f "${1}" ]; then
         return