'use strict';

// Candidate variant. Pure function, no I/O, declared SE0.
function solve(input) {
  return String(input)
    .normalize('NFKD')
    .replace(/[\u0300-\u036f]/g, '')
    .toLowerCase()
    .replace(/[_\s]+/g, '-')
    .replace(/[^a-z0-9-]/g, '')
    .replace(/-+/g, '-')
    .replace(/^-|-$/g, '');
}

module.exports = { solve };