miloschuman\highcharts\Highcharts::registerAssets PHP Method

    protected function registerAssets()
    {
        // register the necessary script files
        HighchartsAsset::register($this->view)->withScripts($this->scripts);
        // prepare and register JavaScript code block
        $jsOptions = Json::encode($this->options);
        $setupOptions = Json::encode($this->setupOptions);
        $js = "Highcharts.setOptions({$setupOptions}); new Highcharts.{$this->constr}({$jsOptions});";
        $key = __CLASS__ . '#' . $this->id;
        if (is_string($this->callback)) {
            $js = "function {$this->callback}(data) {{$js}}";
        }
        $this->view->registerJs($js, View::POS_READY, $key);
    }