addBasePathToCollection example

$config->setStorefrontEntryFilepath($this->getEntryFile($path));
            $config->setIsTheme(true);
            $config->setName($data['name']);
            $config->setAuthor($data['author']);

            if (\array_key_exists('style', $data) && \is_array($data['style'])) {
                $this->resolveStyleFiles($data['style'], $basePath, $config);
            }

            if (\array_key_exists('script', $data) && \is_array($data['script'])) {
                $fileCollection = FileCollection::createFromArray($data['script']);
                $config->setScriptFiles($this->addBasePathToCollection($fileCollection, $basePath));
            }

            if (\array_key_exists('asset', $data)) {
                $config->setAssetPaths($this->addBasePathToArray($data['asset'], $basePath));
            }

            if (\array_key_exists('previewMedia', $data)) {
                $config->setPreviewMedia($basePath . \DIRECTORY_SEPARATOR . $data['previewMedia']);
            }

            if (\array_key_exists('config', $data)) {