protected function YamlFormEntityElementsValidator::validateYaml in YAML Form 8

Validate elements is validate YAML.

Return value

\Drupal\Core\StringTranslation\TranslatableMarkup|null If not valid an error message.

1 call to YamlFormEntityElementsValidator::validateYaml()

YamlFormEntityElementsValidator::validate in src/YamlFormEntityElementsValidator.php

Validate form elements.

File

src/YamlFormEntityElementsValidator.php, line 131

Class

YamlFormEntityElementsValidator

Defines a class to validate form elements.

Namespace

Drupal\yamlform

Code

protected function validateYaml() {
  try {
    Yaml::decode($this->elementsRaw);
    return NULL;
  } catch (\Exception $exception) {
    return $this
      ->t('Elements are not valid. @message', [
      '@message' => $exception
        ->getMessage(),
    ]);
  }
}