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<?php |
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namespace Zumba\Mink\Driver; |
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use Behat\Mink\Exception\DriverException; |
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/** |
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* Class JavascriptTrait |
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* @package Zumba\Mink\Driver |
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*/ |
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trait JavascriptTrait { |
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/** |
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* Executes a script on the browser |
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* @param string $script |
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*/ |
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public function executeScript($script) { |
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$this->browser->execute($this->fixSelfExecutingFunction($script)); |
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} |
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/** |
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* Evaluates a script and returns the result |
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* @param string $script |
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* @return mixed |
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*/ |
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public function evaluateScript($script) { |
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$script = preg_replace('/^return\s+/', '', $script); |
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$script = $this->fixSelfExecutingFunction($script); |
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return $this->browser->evaluate($script); |
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} |
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/** |
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* Waits some time or until JS condition turns true. |
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* |
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* @param integer $timeout timeout in milliseconds |
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* @param string $condition JS condition |
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* @return boolean |
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* @throws DriverException When the operation cannot be done |
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*/ |
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public function wait($timeout, $condition) { |
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$start = microtime(true); |
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$end = $start + $timeout / 1000.0; |
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do { |
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$result = $this->browser->evaluate($condition); |
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usleep(100000); |
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} while (microtime(true) < $end && !$result); |
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return (bool)$result; |
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} |
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/** |
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* Fixes self-executing functions to allow evaluating them. |
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* |
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* The self-executing function must be wrapped in braces to work. |
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* |
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* @param string $script |
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* |
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* @return string |
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*/ |
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private function fixSelfExecutingFunction($script) |
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{ |
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if (preg_match('/^function[\s\(]/', $script)) { |
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$script = preg_replace('/;$/', '', $script); |
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$script = '(' . $script . ')'; |
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} |
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return $script; |
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} |
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} |
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jcalderonzumba /
MinkPhantomJSDriver
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: