const convertProxyListToString = (proxyList) => { if (Array.isArray(proxyList)){ let result = ''; proxyList.forEach(proxyServer => { result += `[${proxyServer.timeToFetch}]` + proxyServer.address + '\r\n'; }); return result; } console.log('[ERROR](convertProxyListToString) Proxy list is not an array') console.log(proxyList); return ''; } exports.convertProxyListToString = convertProxyListToString;