refactor code

Author: nahid

helpers/presento.php

@@ -1,23 +1,33 @@
-<?php
-declare(strict_types = 1);
+<?php declare(strict_types = 1);
 
-if (!function_exists('to_camel_case')) {
+if (!function_exists('to_studly_case')) {
     /**
      * Make given text as camelCase
      *
      * @param string $string
-     * @param string $delimiter
      * @return string
      */
-    function to_camel_case(string $string, $delimiter = '_') : string
+    function to_studly_case(string $string) : string
     {
         if (empty($string)) return $string;
 
-        $words = explode($delimiter, $string);
+        $words = str_replace(['-', '_', '.'], ' ', $string);
+        $words = ucwords($words);
+
+        return str_replace(' ', '', $words);
+    }
+}
 
-        return join("", array_map(function($word) {
-            return ucfirst(strtolower($word));
-        }, $words));
+if (!function_exists('to_camel_case')) {
+    /**
+     * Make given text as camelCase
+     *
+     * @param string $string
+     * @return string
+     */
+    function to_camel_case(string $string) : string
+    {
+        return lcfirst(to_studly_case($string));
     }
 }
 

src/Transformer.php

@@ -11,7 +11,7 @@ abstract class Transformer
     /**
      * @var null | string
      */
-    protected $propertyMethodTransform = 'to_camel_case';
+    protected $propertyMethodTransform = 'to_studly_case';
     private $data = [];
 
     public function __construct(array $data)

tests/HelpersTest.php

@@ -25,13 +25,11 @@ public function camelCaseDataProvider(): array
      * @param string $expected
      * @param string|null $delimiter
      */
-    public function testToCamelCaseMethod(string $string, string $expected, string $delimiter=null): void
+    public function testToCamelCaseMethod(string $string, string $expected): void
     {
-        if ($delimiter) {
-            $actual = to_camel_case($string, $delimiter);
-        } else {
-            $actual = to_camel_case($string);
-        }
+
+        $actual = to_studly_case($string);
+
 
         $this->assertEquals($expected, $actual);
     }