Remove some dependencies

app/Core/Config.php

@@ -5,9 +5,12 @@
 namespace Codex\Core;
 
 use Adbar\Dot;
-use Syntatis\Utils\Val;
 
+use function count;
 use function dot;
+use function is_array;
+use function is_string;
+use function trim;
 
 /** @internal This class should not be used directly, Developers should use the `Config` facade instead. */
 final class Config
@@ -49,6 +52,16 @@ public function has(string $key): bool
 	 */
 	public function isBlank(string $key): bool
 	{
-		return Val::isBlank($this->dot->get($key));
+		$value = $this->dot->get($key);
+
+		if ($value === false || $value === null) {
+			return true;
+		}
+
+		if (is_string($value) && trim($value) === '') {
+			return true;
+		}
+
+		return is_array($value) && count($value) === 0;
 	}
 }

app/Foundation/Hooks/Support/Parser.php

@@ -9,9 +9,10 @@
 use Codex\Foundation\Hooks\Filter;
 use Codex\Foundation\Hooks\Hook;
 use ReflectionClass;
-use Syntatis\Utils\Str;
 
 use function is_callable;
+use function strlen;
+use function strncmp;
 
 /** @internal */
 final class Parser implements Hookable
@@ -86,7 +87,12 @@ private function parseMethodAttrs(): void
 				continue;
 			}
 
-			if ($method->isConstructor() || $method->isDestructor() || Str::startsWith($method->getName(), '__')) {
+			if (
+				$method->isConstructor() ||
+				$method->isDestructor() ||
+				// Starts with __
+				strncmp($method->getName(), '__', strlen('__')) === 0
+			) {
 				continue;
 			}
 

app/Plugin.php

@@ -21,14 +21,14 @@
 use Psr\Container\ContainerInterface;
 use RecursiveDirectoryIterator;
 use SplFileInfo;
-use Syntatis\Utils\Val;
 
 use function dirname;
 use function is_dir;
 use function is_file;
 use function is_string;
 use function is_subclass_of;
 use function method_exists;
+use function trim;
 
 /**
  * Orchastates the WordPress plugin lifecycle and define the required services.
@@ -232,7 +232,11 @@ private function registerCoreServices(): void
 				}
 			}
 
-			if (! isset($config['app']['name']) || Val::isBlank($config['app']['name'])) {
+			if (
+				! isset($config['app']['name']) ||
+				! is_string($config['app']['name']) ||
+				trim($config['app']['name']) === ''
+			) {
 				throw new InvalidArgumentException('The app "name" is required and cannot be empty.');
 			}
 
@@ -241,12 +245,13 @@ private function registerCoreServices(): void
 		$this->pimple['app'] = static function (PimpleContainer $container): App {
 			/** @var Config $config */
 			$config = $container['config'];
+			/**
+			 * @internal App name has been validated in the Config class.
+			 *
+			 * @var string $name
+			 */
 			$name = $config->get('app.name');
 
-			if (! is_string($name) || Val::isBlank($name)) {
-				throw new InvalidArgumentException('The app "name" is required and cannot be empty.');
-			}
-
 			return new App($name, $config);
 		};
 	}

composer.json

@@ -36,8 +36,7 @@
 	"require": {
 		"php": ">=7.4",
 		"adbario/php-dot-notation": "^3.3",
-		"pimple/pimple": "^3.5",
-		"syntatis/utils": "^2.0"
+		"pimple/pimple": "^3.5"
 	},
 	"require-dev": {
 		"dealerdirect/phpcodesniffer-composer-installer": "^1.0",

tests/app/Core/ConfigTest.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Codex\Tests\Core;
+
+use Codex\Core\Config;
+use Codex\Tests\WPTestCase;
+
+class ConfigTest extends WPTestCase
+{
+	/**
+	 * @dataProvider dataIsBlank
+	 *
+	 * @param mixed $value
+	 */
+	public function testIsBlank($value, bool $expect): void
+	{
+		$config = new Config(['foo' => $value]);
+
+		$this->assertSame($expect, $config->isBlank('foo'));
+	}
+
+	public static function dataIsBlank(): iterable
+	{
+		yield 'null' => [null, true];
+		yield 'false' => [false, true];
+		yield 'empty string' => ['', true];
+		yield 'empty array' => [[], true];
+		yield 'whitespace string' => [' ', true];
+		yield 'non-empty string' => ['foo', false];
+		yield 'non-empty array' => [['foo'], false];
+	}
+}