export default function (phone, prefix = 34) { if (phone.startsWith('+')) { return `${phone.slice(1)}`; } if (phone.startsWith('00')) { return `${phone.slice(2)}`; } if (phone.startsWith(prefix) && phone.length === prefix.length + 9) { return `${prefix}${phone.slice(prefix.length)}`; } return `${prefix}${phone}`; }