fixed and formatted laravel completion and used helper function

completion/available/laravel.completion.bash

@@ -1,14 +1,9 @@
 #!/usr/bin/bash
 
-if command -v laravel > /dev/null; then
+if _command_exists laravel; then
     __laravel_completion()  {
-        local OPTS=("-h --help -q --quiet --ansi --no-ansi -n --no-interaction -v -vv -vvv --verbose help list new")
-        COMPREPLY=()
-        for _opt_ in ${OPTS[@]}; do
-            if [[ "$_opt_" == "$2"* ]]; then
-                COMPREPLY+=("$_opt_")
-            fi
-        done
+        local curr=$(_get_cword)
+        COMPREPLY=($(compgen -W "list --raw --format -h --help -q --quiet -V --version --ansi --no-ansi -n --no-interaction -v -vv -vvv --verbose" -- "$curr"))
     }
 
     complete -F __laravel_completion laravel