module.exports.twitterUrl = function twitterUrl(username) { // Creates the canonical twitter URL without the '@' return 'https://twitter.com/' + username.replace(/^@/, ''); }; module.exports.facebookUrl = function facebookUrl(username) { // Handles a starting slash, this shouldn't happen, but just in case return 'https://www.facebook.com/' + username.replace(/^\//, ''); };