Assets compressing with CDN link

[phuczeero]

I already checked all related issues but it doesn't work.

What steps will reproduce the problem?

My asset bundles:

class CdnAsset extends AssetBundle
{
    public $css = [
        '//fonts.googleapis.com/css?family=Roboto:300,400,500,700',
        '//fonts.googleapis.com/icon?family=Material+Icons',
    ];
}

class AppAsset extends AssetBundle
{
    public $basePath = '@webroot';
    public $baseUrl = '@web';
    public $css = [
        'css/app.scss',
    ];
    public $js = [
        'js/app.js',
    ];
    public $depends = [
        'webapp\assets\CdnAsset'
    ];
}

Using asset command and the config:

return [
    ...
    // The list of asset bundles to compress:
    'bundles' => [
        'webapp\assets\AppAsset',
    ],
    // Asset bundle for compression output:
    'targets' => [
        'all' => [
            'class' => 'yii\web\AssetBundle',
            'basePath' => '@webroot/assets',
            'baseUrl' => '@web/assets',
            'js' => 'all-{hash}.js',
            'css' => 'all-{hash}.css',
        ],
    ],
    // Asset manager configuration:
    'assetManager' => [
        'basePath' => '@webroot/assets',
        'baseUrl' => '@web/assets',
    ],
];

What is the expected result?

assets-prod.php

return [
    'all' => [
        'class' => 'yii\\web\\AssetBundle',
        'basePath' => '@webroot/assets',
        'baseUrl' => '@web/assets',
        'js' => [
            'all-22850b097b43acfaf56fbc35e29ee928.js',
        ],
        'css' => [
            'all-522b9bfa86a47cab88f42fd7fc8492b1.css',
        ],
        'sourcePath' => null,
        'depends' => ['webapp\\assets\\CdnAsset'],   // <---
    ],
    'webapp\\assets\\AppAsset' => [
        'sourcePath' => null,
        'js' => [],
        'css' => [],
        'depends' => [
            'webapp\\assets\\CdnAsset',
            'all',
        ],
    ],
];

What do you get instead?

return [
    'all' => [
        'class' => 'yii\\web\\AssetBundle',
        'basePath' => '@webroot/assets',
        'baseUrl' => '@web/assets',
        'js' => [
            'all-22850b097b43acfaf56fbc35e29ee928.js',
        ],
        'css' => [
            'all-522b9bfa86a47cab88f42fd7fc8492b1.css',
        ],
        'sourcePath' => null,
        'depends' => [],
    ],
    'webapp\\assets\\CdnAsset' => [
        'css' => [
            '//fonts.googleapis.com/css?family=Roboto:300,400,500,700',
            '//fonts.googleapis.com/icon?family=Material+Icons',
        ],
        'sourcePath' => null,
        'basePath' => null,
        'baseUrl' => null,
        'depends' => [],
        'js' => [],
        'jsOptions' => [],
        'cssOptions' => [],
        'publishOptions' => [],
        'class' => 'webapp\\assets\\CdnAsset',
    ],
    'webapp\\assets\\AppAsset' => [
        'sourcePath' => null,
        'js' => [],
        'css' => [],
        'depends' => [
            'webapp\\assets\\CdnAsset',
            'all',
        ],
    ],
];

Additional info

Q	A
Yii version	2.0.12
PHP version	7.1
Operating system	Apache/2.4.10 (Debian)

[phuczeero]

Please provide an option to set dependencies for compressed assets which depends on external sources, e.g: Fonts from google CDN

[mgerasimchuk]

Also faced with this, very painful.

UPD:
Workaround for keeping all details in your asset bundle:

...
class NewsAsset extends AssetBundle {
    public $css = [
        'news.css',
    ];

    /** @inheritdoc */
    public static function register($view) {
        $view->registerJsFile('https://platform.twitter.com/widgets.js');
        return parent::register($view);
    }
}

With this approach, news.css will be minified, but widgets.js will only register on the page(without any compressing).
It covers my case - I don't want to minify external source(widgets.js), but I want to register this js file on my page.

[Mister-42]

Not an answer to your question, but https://fonts.googleapis.com/css?family=Roboto:300,400,500,700|Material+Icons combines the css to one request.