QA: fix phpstan (#31)

src/Facade.php

@@ -2,10 +2,10 @@
 
 namespace Contributte\FormWizard;
 
+use Closure;
 use Nette\Forms\Form;
 use Nette\SmartObject;
 use Nette\Utils\ArrayHash;
-use Nette\Utils\ObjectHelpers;
 
 /**
  * @property-read mixed[]|ArrayHash $values
@@ -30,7 +30,7 @@ public function __construct(IWizard $wizard)
 	}
 
 	/**
-	 * @return mixed[]|ArrayHash<string|int,mixed>
+	 * @return array<mixed>|ArrayHash<string|int,mixed>
 	 */
 	public function getValues(bool $asArray = false)
 	{
@@ -114,13 +114,13 @@ public function isDisabled(int $step): bool
 	public function __get(string $name)
 	{
 		$getters = ['get' . ucfirst($name), 'is' . ucfirst($name)];
+
 		foreach ($getters as $getter) {
-			if (method_exists($this, $getter)) {
-				return $this->$getter();
-			}
+			$callable = [$this, $getter];
+			assert(is_callable($callable));
+			$method = Closure::fromCallable($callable);
+			return $method($getter);
 		}
-
-		ObjectHelpers::strictGet(static::class, $name);
 	}
 
 }

src/IWizard.php

@@ -43,7 +43,7 @@ public function getStepData(int $step): array;
 	public function getTotalSteps(): int;
 
 	/**
-	 * @return mixed[]|ArrayHash<string|int,mixed>
+	 * @return array<mixed>|ArrayHash<mixed>
 	 */
 	public function getValues(bool $asArray = false);
 

src/Latte/WizardMacros.php

@@ -38,7 +38,7 @@ public static function createFacade(IComponent $component): Facade
 	public function wizardStart(MacroNode $node, PhpWriter $writer): string
 	{
 		$word = $node->tokenizer->fetchWord();
-		if (!$word) {
+		if ($word === null || $word === '') {
 			throw new CompileException('Missing control name in {wizard}');
 		}
 
@@ -54,7 +54,7 @@ public function wizardStart(MacroNode $node, PhpWriter $writer): string
 	public function stepStart(MacroNode $node, PhpWriter $writer): string
 	{
 		$word = $node->tokenizer->fetchWord();
-		if (!is_numeric($word) && !in_array($word, ['success', '"success"', "'success'"])) {
+		if (!is_numeric($word) && !in_array($word, ['success', '"success"', "'success'"], true)) {
 			throw new CompileException('First parameter in {step} must be a numeric.');
 		}
 

src/Steps/StepCounter.php

@@ -29,12 +29,12 @@ public function getTotalSteps(): int
 
 	public function getCurrentStep(): int
 	{
-		return $this->minmax($this->section->getCurrentStep() ?: 1);
+		return $this->minmax($this->section->getCurrentStep() ?? 1);
 	}
 
 	public function getLastStep(): int
 	{
-		return $this->minmax($this->section->getLastStep() ?: 1);
+		return $this->minmax($this->section->getLastStep() ?? 1);
 	}
 
 	public function setLastStep(int $step): void
@@ -70,7 +70,7 @@ public function previousStep(): void
 
 	public function canFinish(): bool
 	{
-		return $this->section->getValues() && $this->getLastStep() === $this->totalSteps;
+		return $this->section->getValues() !== [] && $this->getLastStep() === $this->totalSteps;
 	}
 
 	protected function minmax(int $value, int $min = 1, ?int $max = null): int

src/Wizard.php

@@ -4,6 +4,7 @@
 
 use Contributte\FormWizard\Session\WizardSessionSection;
 use Contributte\FormWizard\Steps\StepCounter;
+use Closure;
 use InvalidArgumentException;
 use LogicException;
 use Nette\Application\UI\Component;
@@ -107,7 +108,7 @@ public function isSuccess(): bool
 
 	protected function getSection(): WizardSessionSection
 	{
-		if (!$this->section) {
+		if ($this->section === null) {
 			$section = $this->session->getSection('wizard' . $this->getName())
 				->setExpiration($this->expiration);
 
@@ -119,7 +120,8 @@ protected function getSection(): WizardSessionSection
 
 	public function getStepCounter(): StepCounter
 	{
-		if (!$this->stepCounter) {
+		$counter = 1;
+		if ($this->stepCounter === null) {
 			for ($counter = 1; $counter < 1000; $counter++) {
 				if (!method_exists($this, 'createStep' . $counter) && !$this->getComponent('step' . $counter, false)) {
 					$counter--;
@@ -182,7 +184,7 @@ public function getTotalSteps(): int
 	}
 
 	/**
-	 * @return mixed[]|ArrayHash<string|int,mixed>
+	 * @return array<mixed>|ArrayHash<mixed>
 	 */
 	public function getValues(bool $asArray = false)
 	{
@@ -222,7 +224,7 @@ public function setStep(int $step): IWizard
 
 	protected function createForm(): Form
 	{
-		return $this->factory ? $this->factory->create() : new Form();
+		return $this->factory !== null ? $this->factory->create() : new Form();
 	}
 
 	public function submitStep(SubmitButton $button): void
@@ -236,7 +238,7 @@ public function submitStep(SubmitButton $button): void
 		$submitName = $button->getName();
 		$step = $this->extractStepFromName($form->getName());
 
-		if (!$step || $step !== $this->getCurrentStep()) {
+		if ($step === null || $step !== $this->getCurrentStep()) {
 			return;
 		}
 
@@ -299,7 +301,7 @@ public function create(?string $step = null): Form
 	 */
 	protected function extractStepFromName($name): ?int
 	{
-		if ($name === null || !preg_match('#^step(\d+)$#', $name, $matches)) {
+		if ($name === null || preg_match('#^step(\d+)$#', $name, $matches) === false) {
 			return null;
 		}
 
@@ -326,11 +328,15 @@ public function addComponent(IComponent $component, ?string $name, ?string $inse
 
 	protected function createComponent(string $name): ?IComponent
 	{
-		if (preg_match('#^step\d+$#', $name)) {
+		if (preg_match('#^step\d+$#', $name) > 0) {
 			$ucname = ucfirst($name);
 			$method = 'create' . $ucname;
 			if ($ucname !== $name && method_exists($this, $method) && (new ReflectionMethod($this, $method))->getName() === $method) {
-				$component = $this->$method($name);
+				$callable = [$this, $method];
+				assert(is_callable($callable));
+				$callableMethod = Closure::fromCallable($callable);
+				$component = $callableMethod($name);
+
 				if (!$component instanceof IComponent && $this->getComponent($name) === null) {
 					throw new UnexpectedValueException(
 						sprintf('Method %s::%s() did not return or create the desired component.', static::class, $method)
@@ -350,7 +356,7 @@ private function applyCallbacksToButtons(Forms\Form $form): void
 	{
 		/** @var SubmitButton $control */
 		foreach ($form->getComponents(false, SubmitButton::class) as $control) {
-			if (!in_array($control->getName(), [self::FINISH_SUBMIT_NAME, self::NEXT_SUBMIT_NAME, self::PREV_SUBMIT_NAME])) {
+			if (!in_array($control->getName(), [self::FINISH_SUBMIT_NAME, self::NEXT_SUBMIT_NAME, self::PREV_SUBMIT_NAME], true)) {
 				continue;
 			}
 
@@ -367,7 +373,7 @@ private function applyCallbacksToButtons(Forms\Form $form): void
 	 */
 	public function getPresenter(): ?Presenter
 	{
-		if (!$this->presenter) {
+		if ($this->presenter === null) {
 			$this->presenter = parent::getPresenter();
 		}