/**
 * Convert an identifier string to underscore case
 *
 * @param input The identifer string
 * @returns the identifier in underscore case
 */
export function toUnderscoreCase(input: string): string {
    return input.trim().replace(/[-_.\s]+\w/ug, c => `_${c.slice(-1).toUpperCase()}`).toLowerCase();
}

export default toUnderscoreCase;