Simplify ValueObject Interface

README.md

@@ -143,15 +143,20 @@ Value object must be defined as:
 
 Think about implementing it like this:
 ```Php
-final class Speed implements ValueObject
+final class Speed implements ValueObject, ValueObjectFactory
 {
     private static $instances = [];
 
     private function __constructor(private float $speed)
     {
     }
 
-    public function from(mixed $speedValue): static
+    /**
+     * @param mixed $value
+     * @return static
+     * @throws InvalidArgumentException
+     */
+    public static function from(mixed $speedValue): static
     {
         if (! self::$instances[$speedValue]) {
             if ($speedValue < 0) {

src/Domain/ValueObject/ValueObject.php

@@ -7,21 +7,10 @@
 
 namespace JeckelLab\Contract\Domain\ValueObject;
 
-use JeckelLab\Contract\Domain\Equality;
-use JeckelLab\Contract\Domain\ValueObject\Exception\InvalidArgumentException;
-use JsonSerializable;
-use Stringable;
-
 /**
  * Interface ValueObject
  * @psalm-immutable
  */
-interface ValueObject extends Stringable, Equality, JsonSerializable
+interface ValueObject
 {
-    /**
-     * @param mixed $value
-     * @return static
-     * @throws InvalidArgumentException
-     */
-    public static function from(mixed $value): static;
 }

src/Domain/ValueObject/ValueObjectFactory.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace JeckelLab\Contract\Domain\ValueObject;
+
+use JeckelLab\Contract\Domain\ValueObject\Exception\InvalidArgumentException;
+
+/**
+ * @psalm-immutable
+ */
+interface ValueObjectFactory
+{
+    /**
+     * @param mixed $value
+     * @return static
+     * @throws InvalidArgumentException
+     */
+    public static function from(mixed $value): static;
+}