--- /dev/null
+<?php
+
+namespace DrupalCodeGenerator\Command\Drupal_8;
+
+use DrupalCodeGenerator\Command\BaseGenerator;
+use DrupalCodeGenerator\Utils;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\Question;
+
+/**
+ * Implements d8:theme-file command.
+ */
+class ThemeFile extends BaseGenerator {
+
+ protected $name = 'd8:theme-file';
+ protected $description = 'Generates a theme file';
+ protected $alias = 'theme-file';
+ protected $destination = 'themes/%';
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function interact(InputInterface $input, OutputInterface $output) {
+ $questions['name'] = new Question('Theme name');
+ $questions['name']->setValidator([Utils::class, 'validateRequired']);
+ $questions['machine_name'] = new Question('Theme machine name');
+ $questions['machine_name']->setValidator([Utils::class, 'validateMachineName']);
+
+ $this->collectVars($input, $output, $questions);
+
+ $this->addFile()
+ ->path('{machine_name}.theme')
+ ->template('d8/theme.twig');
+ }
+
+}