public function convert(ElementInterface $element)
{
$tag = $element->getTagName();
$value = $element->getValue();
if (!trim($value)) {
return '';
}
if ($tag === 'i' || $tag === 'em') {
$style = $this->config->getOption('italic_style');
} else {
$style = $this->config->getOption('bold_style');
}
$prefix = ltrim($value) !== $value ? ' ' : '';
$suffix = rtrim($value) !== $value ? ' ' : '';
return $prefix . $style . trim($value) . $style . $suffix;
}