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export default class FormattingUtil {
/**
* Sanitizes an HTML classname to ensure it only contains valid characters.
*
* Strips the string down to A-Z,a-z,0-9,_,-. If this results in an empty
* string then it will return the alternative value supplied.
*
* This is a migration of sanitize_html_class method of WP PHP.
*
* @since 3.8.0
*
* @param {string} className The classname to be sanitized.
*
* @return {string} The sanitized value.
*/
static sanitizeHtmlClass(className) {
// Strip out any percent-encoded characters.
const sanitized = className.replace(
/|%[a-fA-F0-9][a-fA-F0-9]|/g,
'',
className
);
// Limit to A-Z, a-z, 0-9, '_', '-'.
return sanitized.replace(/[^A-Za-z0-9_-]/g, '');
}
}