import {parseConnectionString} from '@synonymdev/ln-constr-parser';

const connectionString = '0200000000a3eff613189ca6c4070c89206ad658e286751eca1f29262948247a5f@127.0.0.1:9735';
const {host, hostType, port, pubKey} = parseConnectionString(connectionString);

console.log(host); // 127.0.0.1
console.log(hostType); // ipv4. Depending on the address provided, it could also be ipv6, torv3 or domain.
console.log(port); // 9735
console.log(pubKey); // 0200000000a3eff613189ca6c4070c89206ad658e286751eca1f29262948247a5f

parseConnectionString(connectionString, {portMandatory: true})

import {parseConnectionString, ParseFailureCode, ParseError} from '@synonymdev/ln-constr-parser';

try {
    const connectionString = 'pubkey@host:port';
    parseConnectionString(connectionString);
} catch (e) {
    if (e instanceof ParseError) {
        console.log('Parse failed. Reason:', e.code)
        if (e.code === ParseFailureCode.INVALID_HOST) {
            console.log('Host value is invalid.')
        } else if (e.codee === ParseFailureCode.INVALID_IPV6) {
            console.log('IPv6 host is invalid.')
        } else if (e.codee === ParseFailureCode.AMBIGUOUS_IPV6) {
            console.log('IPv6 host is ambiguous. Use square brackets [] like pubkey@[ipv6]:port.')
        } else if (e.code === ParseFailureCode.INVALID_PORT) {
            console.log('Invalid port.')
        } else if (e.code === ParseFailureCode.INVALID_PUBKEY) {
            console.log('Invalid lightning pubkey.')
        } else if (e.code === ParseFailureCode.INVALID_ATS) {
            console.log('The connection string must contain one single @ symbol.')
        }
    }
}

import {parseAddress, parseHost, parsePort, parsePubkey} from '@synonymdev/ln-constr-parser';

const {host, hostType, port} = parseAddress('127.0.0.1:9000')
const {host, hostType} = parseHost('127.0.0.1')
const port = parsePort('900')
const pubkey = parsePubkey('0200000000a3eff613189ca6c4070c89206ad658e286751eca1f29262948247a5f')