Add type for all method parameters that can have them

The only untyped arguments are the ones using union types.

src/Element/DocumentElement.php

@@ -44,7 +44,7 @@ public function getContent()
      *
      * @return bool
      */
-    public function hasContent($content)
+    public function hasContent(string $content)
     {
         return $this->has('named', array('content', $content));
     }

src/Element/Element.php

@@ -93,7 +93,7 @@ protected function getSelectorsHandler()
     /**
      * {@inheritdoc}
      */
-    public function has($selector, $locator)
+    public function has(string $selector, $locator)
     {
         return null !== $this->find($selector, $locator);
     }
@@ -106,12 +106,8 @@ public function isValid()
         return 1 === count($this->getDriver()->find($this->getXpath()));
     }
 
-    public function waitFor($timeout, $callback)
+    public function waitFor($timeout, callable $callback)
     {
-        if (!is_callable($callback)) {
-            throw new \InvalidArgumentException('Given callback is not a valid callable');
-        }
-
         $start = microtime(true);
         $end = $start + $timeout;
 
@@ -131,7 +127,7 @@ public function waitFor($timeout, $callback)
     /**
      * {@inheritdoc}
      */
-    public function find($selector, $locator)
+    public function find(string $selector, $locator)
     {
         $items = $this->findAll($selector, $locator);
 
@@ -141,7 +137,7 @@ public function find($selector, $locator)
     /**
      * {@inheritdoc}
      */
-    public function findAll($selector, $locator)
+    public function findAll(string $selector, $locator)
     {
         return $this->elementFinder->findAll($selector, $locator, $this->getXpath());
     }
@@ -183,7 +179,7 @@ public function getOuterHtml()
      *
      * @deprecated as of 1.7, to be removed in 2.0
      */
-    protected function elementNotFound($type, $selector = null, $locator = null)
+    protected function elementNotFound(string $type, ?string $selector = null, ?string $locator = null)
     {
         @trigger_error(sprintf('The method %s is deprecated as of 1.7 and will be removed in 2.0', __METHOD__), E_USER_DEPRECATED);
 

src/Element/ElementInterface.php

@@ -45,7 +45,7 @@ public function getSession();
      *
      * @see ElementInterface::findAll for the supported selectors
      */
-    public function has($selector, $locator);
+    public function has(string $selector, $locator);
 
     /**
      * Checks if an element still exists in the DOM.
@@ -71,10 +71,8 @@ public function isValid();
      * @return mixed
      *
      * @phpstan-return T
-     *
-     * @throws \InvalidArgumentException When invalid callback given.
      */
-    public function waitFor($timeout, $callback);
+    public function waitFor($timeout, callable $callback);
 
     /**
      * Finds first element with specified selector inside the current element.
@@ -86,7 +84,7 @@ public function waitFor($timeout, $callback);
      *
      * @see ElementInterface::findAll for the supported selectors
      */
-    public function find($selector, $locator);
+    public function find(string $selector, $locator);
 
     /**
      * Finds all elements with specified selector inside the current element.
@@ -106,7 +104,7 @@ public function find($selector, $locator);
      *
      * @see NamedSelector for the locators supported by the named selectors
      */
-    public function findAll($selector, $locator);
+    public function findAll(string $selector, $locator);
 
     /**
      * Returns element text (inside tag).

src/Element/NodeElement.php

@@ -33,7 +33,7 @@ class NodeElement extends TraversableElement
      * @param string  $xpath   element xpath
      * @param Session $session session instance
      */
-    public function __construct($xpath, Session $session)
+    public function __construct(string $xpath, Session $session)
     {
         $this->xpath = $xpath;
 
@@ -125,7 +125,7 @@ public function setValue($value)
      *
      * @return bool
      */
-    public function hasAttribute($name)
+    public function hasAttribute(string $name)
     {
         return null !== $this->getDriver()->getAttribute($this->getXpath(), $name);
     }
@@ -137,7 +137,7 @@ public function hasAttribute($name)
      *
      * @return string|null
      */
-    public function getAttribute($name)
+    public function getAttribute(string $name)
     {
         return $this->getDriver()->getAttribute($this->getXpath(), $name);
     }
@@ -149,7 +149,7 @@ public function getAttribute($name)
      *
      * @return bool
      */
-    public function hasClass($className)
+    public function hasClass(string $className)
     {
         $class = $this->getAttribute('class');
 
@@ -255,7 +255,7 @@ public function isChecked()
      *
      * @throws ElementNotFoundException when the option is not found in the select box
      */
-    public function selectOption($option, $multiple = false)
+    public function selectOption(string $option, bool $multiple = false)
     {
         if ('select' !== $this->getTagName()) {
             $this->getDriver()->selectOption($this->getXpath(), $option, $multiple);
@@ -297,7 +297,7 @@ public function isSelected()
      *
      * @return void
      */
-    public function attachFile($path)
+    public function attachFile(string $path)
     {
         $this->getDriver()->attachFile($this->getXpath(), $path);
     }
@@ -357,44 +357,38 @@ public function blur()
     /**
      * Presses specific keyboard key.
      *
-     * @param string|int  $char     could be either char ('b') or char-code (98)
-     * @param string|null $modifier keyboard modifier (could be 'ctrl', 'alt', 'shift' or 'meta')
-     *
-     * @phpstan-param KeyModifier::*|null $modifier
+     * @param string|int          $char     could be either char ('b') or char-code (98)
+     * @param KeyModifier::*|null $modifier keyboard modifier (could be 'ctrl', 'alt', 'shift' or 'meta')
      *
      * @return void
      */
-    public function keyPress($char, $modifier = null)
+    public function keyPress($char, ?string $modifier = null)
     {
         $this->getDriver()->keyPress($this->getXpath(), $char, $modifier);
     }
 
     /**
      * Pressed down specific keyboard key.
      *
-     * @param string|int  $char     could be either char ('b') or char-code (98)
-     * @param string|null $modifier keyboard modifier (could be 'ctrl', 'alt', 'shift' or 'meta')
-     *
-     * @phpstan-param KeyModifier::*|null $modifier
+     * @param string|int          $char     could be either char ('b') or char-code (98)
+     * @param KeyModifier::*|null $modifier keyboard modifier (could be 'ctrl', 'alt', 'shift' or 'meta')
      *
      * @return void
      */
-    public function keyDown($char, $modifier = null)
+    public function keyDown($char, ?string $modifier = null)
     {
         $this->getDriver()->keyDown($this->getXpath(), $char, $modifier);
     }
 
     /**
      * Pressed up specific keyboard key.
      *
-     * @param string|int  $char     could be either char ('b') or char-code (98)
-     * @param string|null $modifier keyboard modifier (could be 'ctrl', 'alt', 'shift' or 'meta')
-     *
-     * @phpstan-param KeyModifier::*|null $modifier
+     * @param string|int          $char     could be either char ('b') or char-code (98)
+     * @param KeyModifier::*|null $modifier keyboard modifier (could be 'ctrl', 'alt', 'shift' or 'meta')
      *
      * @return void
      */
-    public function keyUp($char, $modifier = null)
+    public function keyUp($char, ?string $modifier = null)
     {
         $this->getDriver()->keyUp($this->getXpath(), $char, $modifier);
     }

src/Element/TraversableElement.php

@@ -26,7 +26,7 @@ abstract class TraversableElement extends Element
      *
      * @return NodeElement|null
      */
-    public function findById($id)
+    public function findById(string $id)
     {
         return $this->find('named', array('id', $id));
     }
@@ -38,7 +38,7 @@ public function findById($id)
      *
      * @return bool
      */
-    public function hasLink($locator)
+    public function hasLink(string $locator)
     {
         return null !== $this->findLink($locator);
     }
@@ -50,7 +50,7 @@ public function hasLink($locator)
      *
      * @return NodeElement|null
      */
-    public function findLink($locator)
+    public function findLink(string $locator)
     {
         return $this->find('named', array('link', $locator));
     }
@@ -64,7 +64,7 @@ public function findLink($locator)
      *
      * @throws ElementNotFoundException
      */
-    public function clickLink($locator)
+    public function clickLink(string $locator)
     {
         $link = $this->findLink($locator);
 
@@ -82,7 +82,7 @@ public function clickLink($locator)
      *
      * @return bool
      */
-    public function hasButton($locator)
+    public function hasButton(string $locator)
     {
         return null !== $this->findButton($locator);
     }
@@ -94,7 +94,7 @@ public function hasButton($locator)
      *
      * @return NodeElement|null
      */
-    public function findButton($locator)
+    public function findButton(string $locator)
     {
         return $this->find('named', array('button', $locator));
     }
@@ -108,7 +108,7 @@ public function findButton($locator)
      *
      * @throws ElementNotFoundException
      */
-    public function pressButton($locator)
+    public function pressButton(string $locator)
     {
         $button = $this->findButton($locator);
 
@@ -126,7 +126,7 @@ public function pressButton($locator)
      *
      * @return bool
      */
-    public function hasField($locator)
+    public function hasField(string $locator)
     {
         return null !== $this->findField($locator);
     }
@@ -138,24 +138,24 @@ public function hasField($locator)
      *
      * @return NodeElement|null
      */
-    public function findField($locator)
+    public function findField(string $locator)
     {
         return $this->find('named', array('field', $locator));
     }
 
     /**
      * Fills in field (input, textarea, select) with specified locator.
      *
-     * @param string $locator input id, name or label
-     * @param string $value   value
+     * @param string            $locator input id, name or label
+     * @param string|bool|array $value   value
      *
      * @return void
      *
      * @throws ElementNotFoundException
      *
      * @see NodeElement::setValue
      */
-    public function fillField($locator, $value)
+    public function fillField(string $locator, $value)
     {
         $field = $this->findField($locator);
 
@@ -175,7 +175,7 @@ public function fillField($locator, $value)
      *
      * @see NodeElement::isChecked
      */
-    public function hasCheckedField($locator)
+    public function hasCheckedField(string $locator)
     {
         $field = $this->findField($locator);
 
@@ -191,7 +191,7 @@ public function hasCheckedField($locator)
      *
      * @see NodeElement::isChecked
      */
-    public function hasUncheckedField($locator)
+    public function hasUncheckedField(string $locator)
     {
         $field = $this->findField($locator);
 
@@ -207,7 +207,7 @@ public function hasUncheckedField($locator)
      *
      * @throws ElementNotFoundException
      */
-    public function checkField($locator)
+    public function checkField(string $locator)
     {
         $field = $this->findField($locator);
 
@@ -227,7 +227,7 @@ public function checkField($locator)
      *
      * @throws ElementNotFoundException
      */
-    public function uncheckField($locator)
+    public function uncheckField(string $locator)
     {
         $field = $this->findField($locator);
 
@@ -245,7 +245,7 @@ public function uncheckField($locator)
      *
      * @return bool
      */
-    public function hasSelect($locator)
+    public function hasSelect(string $locator)
     {
         return $this->has('named', array('select', $locator));
     }
@@ -263,7 +263,7 @@ public function hasSelect($locator)
      *
      * @see NodeElement::selectOption
      */
-    public function selectFieldOption($locator, $value, $multiple = false)
+    public function selectFieldOption(string $locator, string $value, bool $multiple = false)
     {
         $field = $this->findField($locator);
 
@@ -281,7 +281,7 @@ public function selectFieldOption($locator, $value, $multiple = false)
      *
      * @return bool
      */
-    public function hasTable($locator)
+    public function hasTable(string $locator)
     {
         return $this->has('named', array('table', $locator));
     }
@@ -298,7 +298,7 @@ public function hasTable($locator)
      *
      * @see NodeElement::attachFile
      */
-    public function attachFileToField($locator, $path)
+    public function attachFileToField(string $locator, string $path)
     {
         $field = $this->findField($locator);
 

src/Exception/DriverException.php

@@ -24,7 +24,7 @@ class DriverException extends Exception
      * @param int             $code
      * @param \Throwable|null $previous
      */
-    public function __construct($message, $code = 0, \Throwable $previous = null)
+    public function __construct(string $message, int $code = 0, \Throwable $previous = null)
     {
         parent::__construct($message, $code, $previous);
     }

src/Exception/ElementHtmlException.php

@@ -36,7 +36,7 @@ class ElementHtmlException extends ExpectationException
      * @param Element                 $element   element
      * @param \Throwable|null         $exception expectation exception
      */
-    public function __construct($message, $driver, Element $element, \Throwable $exception = null)
+    public function __construct(string $message, $driver, Element $element, \Throwable $exception = null)
     {
         $this->element = $element;