function TestDisplayVariant::build

Overrides VariantInterface::build

File

core/modules/system/tests/modules/display_variant_test/src/Plugin/DisplayVariant/TestDisplayVariant.php, line 85

Class

TestDisplayVariant

Provides a display variant that requires configuration.

Namespace

Code

public function build() {
    $config = $this->getConfiguration();
    if (empty($config['required_configuration'])) {
        throw new \Exception('Required configuration is missing!');
    }
    $contexts = $this->getContexts();
    if (!isset($contexts['context'])) {
        throw new \Exception('Required context is missing!');
    }
    $build = [];
    $build['content']['default'] = [
        '#markup' => $config['required_configuration'] . ' ' . $contexts['context']->getContextValue(),
    ];
    CacheableMetadata::createFromObject($this)->applyTo($build);
    return $build;
}