js-waku/web-chat/src/command.ts

110 lines
2.8 KiB
TypeScript

import { multiaddr } from 'multiaddr';
import PeerId from 'peer-id';
import Waku from '../../build/main/lib/waku';
function help(): string[] {
return [
'/nick <nickname>: set a new nickname',
'/info: some information about the node',
'/connect <Multiaddr>: connect to the given peer',
'/help: Display this help',
];
}
function nick(
nick: string | undefined,
setNick: (nick: string) => void
): string[] {
if (!nick) {
return ['No nick provided'];
}
setNick(nick);
return [`New nick: ${nick}`];
}
function info(waku: Waku | undefined): string[] {
if (!waku) {
return ['Waku node is starting'];
}
return [`PeerId: ${waku.libp2p.peerId.toB58String()}`];
}
function connect(peer: string | undefined, waku: Waku | undefined): string[] {
if (!waku) {
return ['Waku node is starting'];
}
if (!peer) {
return ['No peer provided'];
}
try {
const peerMultiaddr = multiaddr(peer);
const peerId = peerMultiaddr.getPeerId();
if (!peerId) {
return ['Peer Id needed to dial'];
}
waku.libp2p.peerStore.addressBook.add(PeerId.createFromB58String(peerId), [
peerMultiaddr,
]);
return [
`${peerId}: ${peerMultiaddr.toString()} added to address book, autodial in progress`,
];
} catch (e) {
return ['Invalid multiaddr: ' + e];
}
}
function peers(waku: Waku | undefined): string[] {
if (!waku) {
return ['Waku node is starting'];
}
let response: string[] = [];
waku.libp2p.peerStore.peers.forEach((peer, peerId) => {
response.push(peerId + ':');
let addresses = ' addresses: [';
peer.addresses.forEach(({ multiaddr }) => {
addresses += ' ' + multiaddr.toString() + ',';
});
addresses = addresses.replace(/,$/, '');
addresses += ']';
response.push(addresses);
let protocols = ' protocols: [';
protocols += peer.protocols;
protocols += ']';
response.push(protocols);
});
if (response.length === 0) {
response.push('Not connected to any peer.');
}
return response;
}
export default function handleCommand(
input: string,
waku: Waku | undefined,
setNick: (nick: string) => void
): { command: string; response: string[] } {
let response: string[] = [];
const args = input.split(' ');
const command = args.shift()!;
switch (command) {
case '/help':
help().map((str) => response.push(str));
break;
case '/nick':
nick(args.shift(), setNick).map((str) => response.push(str));
break;
case '/info':
info(waku).map((str) => response.push(str));
break;
case '/connect':
connect(args.shift(), waku).map((str) => response.push(str));
break;
case '/peers':
peers(waku).map((str) => response.push(str));
break;
default:
response.push(`Unknown Command '${command}'`);
}
return { command, response };
}