miloschuman\highcharts\HighchartsAsset::withScripts PHP Метод

    public function withScripts($scripts = ['highcharts'])
    {
        // use unminified files when in debug mode
        $ext = YII_DEBUG ? 'src.js' : 'js';
        // add files
        foreach ($scripts as $script) {
            // theme files are not packaged with a .src.js version
            $this->js[] = "{$script}." . (strpos($script, 'themes/') === 0 ? 'js' : $ext);
        }
        // make sure that either highcharts or highstock base file is included.
        array_unshift($this->js, "highcharts.{$ext}");
        $hasHighstock = in_array("highstock.{$ext}", $this->js);
        if ($hasHighstock) {
            array_unshift($this->js, "highstock.{$ext}");
            // remove highcharts if highstock is used on page
            $this->js = array_diff($this->js, ["highcharts.{$ext}"]);
        }
        return $this;
    }