Encore\Admin\Widgets\Chart\Bar::script PHP 메소드

    public function script()
    {
        $data = $this->fillColor($this->data);
        $data = json_encode($data);
        $options = json_encode($this->options);
        return <<<EOT

(function() {

    var canvas = \$("#{$this->elementId}").get(0).getContext("2d");
    var chart = new Chart(canvas).Bar({$data}, {$options});

})();
EOT;
    }