Cleanup value formatting code

src/Tool/Format.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace SlotDb\Cli\Tool;
+
+class Format
+{
+    public static function formatValue(mixed $v): string
+    {
+        return match(true) {
+            is_array($v) => 
+                "[<fg=gray></><fg=green>".
+                join(",", array_map(Format::formatValue(...), $v)).
+                "</>]<fg=gray>(".count($v).")</>",
+            is_bool($v) => 
+                "<fg=cyan>".($v?"true":"false")."</>",
+            is_int($v) => 
+                "<fg=yellow>{$v}</>",
+            is_string($v) => 
+                "<fg=green>{$v}</>",
+            is_null($v) =>
+                "<fg=blue>null</>",
+            default => 
+                $v,
+        };
+    }
+}