Switched to asset-packagist

.travis.yml

@@ -79,7 +79,6 @@ matrix:
         # disable xdebug for performance in composer
         - phpenv config-rm xdebug.ini || echo "xdebug is not installed"
         - travis_retry composer self-update && composer --version
-        - travis_retry composer global require "fxp/composer-asset-plugin:^1.3.1" --no-plugins
         - travis_retry composer install --prefer-dist --no-interaction
       before_script:
         - node --version
@@ -118,7 +117,6 @@ install:
         phpenv config-rm xdebug.ini || echo "xdebug is not installed"
     fi
   - travis_retry composer self-update && composer --version
-  - travis_retry composer global require "fxp/composer-asset-plugin:^1.3.1" --no-plugins
   - export PATH="$HOME/.composer/vendor/bin:$PATH"
   # core framework:
   - travis_retry composer install --prefer-dist --no-interaction

composer.json

@@ -84,6 +84,12 @@
         "phpunit/phpunit": "~4.4",
         "cebe/indent": "~1.0.2"
     },
+    "repositories": [
+        {
+            "type": "composer",
+            "url": "https://asset-packagist.org"
+        }
+    ],
     "suggest": {
         "yiisoft/yii2-coding-standards": "you can use this package to check for code style issues when contributing to yii"
     },

tests/TestCase.php

@@ -68,6 +68,10 @@ abstract class TestCase extends \PHPUnit\Framework\TestCase
             'id' => 'testapp',
             'basePath' => __DIR__,
             'vendorPath' => $this->getVendorPath(),
+            'aliases' => [
+                '@bower' => '@vendor/bower-asset',
+                '@npm'   => '@vendor/npm-asset',
+            ],
             'components' => [
                 'request' => [
                     'cookieValidationKey' => 'wefJDF8sfdsfSDefwqdxj9oq',