refactor: extract randomizer logic

src/Meow.php

@@ -16,28 +16,28 @@ public function __construct(
     public function name(int $count = 1): string|array
     {
         if($count === 1) {
-            return $this->pickRandom($this->dictionary->names());
+            return Randomizer::pick($this->dictionary->names());
         }
 
-        return $this->pickRandomToArray(fn () => $this->name(), $count);
+        return Randomizer::pickToArray(fn () => $this->name(), $count);
     }
 
     public function word(int $count = 1): string|array
     {
         if($count === 1) {
-            return $this->pickRandom($this->dictionary->words());
+            return Randomizer::pick($this->dictionary->words());
         }
 
-        return $this->pickRandomToArray(fn () => $this->word(), $count);
+        return Randomizer::pickToArray(fn () => $this->word(), $count);
     }
 
     public function sentence(int $count = 1, int $minWords = Config::MIN_WORDS, int $maxWords = Config::MAX_WORDS): string|array
     {
         if($count === 1) {
-            return ucfirst(implode(' ', $this->words(mt_rand($minWords, $maxWords)))) . '.';
+            return ucfirst(implode(' ', $this->word(mt_rand($minWords, $maxWords)))) . '.';
         }
 
-        return $this->pickRandomToArray(fn () => $this->sentence(), $count);
+        return Randomizer::pickToArray(fn () => $this->sentence(), $count);
     }
 
     public function paragraph(int $count = 1, int $minSentences = Config::MIN_SENTENCES, int $maxSentences = Config::MAX_SENTENCES): string|array
@@ -46,20 +46,6 @@ public function paragraph(int $count = 1, int $minSentences = Config::MIN_SENTEN
             return implode(' ', $this->sentence(mt_rand($minSentences, $maxSentences)));
         }
 
-        return $this->pickRandomToArray(fn () => $this->paragraph(), $count);
-    }
-
-    private function pickRandom(array $options): string
-    {
-        return $options[array_rand($options)];
-    }
-
-    private function pickRandomToArray(callable $callback, int $count): array
-    {
-        $items = [];
-        for ($i = 0; $i < $count; $i++) {
-            $items[] = $callback();
-        }
-        return $items;
+        return Randomizer::pickToArray(fn () => $this->paragraph(), $count);
     }
 }

src/Randomizer.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GereLajos\MeowMaker;
+
+class Randomizer
+{
+    public static function pick(array $options): string
+    {
+        return $options[array_rand($options)];
+    }
+
+    public static function pickToArray(callable $callback, int $count): array
+    {
+        $items = [];
+        for ($i = 0; $i < $count; $i++) {
+            $items[] = $callback();
+        }
+
+        return $items;
+    }
+}