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only add js (checked by hash) once #129

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only add js (checked by hash) once #129

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13 changes: 11 additions & 2 deletions src/LaravelViewBinder.php
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Original file line number Diff line number Diff line change
Expand Up @@ -34,14 +34,23 @@ public function __construct(Dispatcher $event, $views)

/**
* Bind the given JavaScript to the view.
* Tracks if Javascript has already been added
* by keeping hashes of the js code to check against in the view data
*
* @param string $js
*/
public function bind($js)
{
foreach ($this->views as $view) {
$this->event->listen("composing: {$view}", function () use ($js) {
echo "<script>{$js}</script>";
$this->event->listen("composing: {$view}", function ($view) use ($js) {
$data = $view->getData();
$hashes = isset($data['hashes']) ? $data['hashes'] : [];
$hash = md5($js);
if (!in_array($hash,$hashes)) {
$hashes[] = md5($js);
$view->with('hashes',$hashes);
echo "<script>{$js}</script>";
}
});
}
}
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