js-libp2p/src/get-peer.js
Vasco Santos cb597b57d7 chore: apply suggestions from code review
Co-Authored-By: Jacob Heun <jacobheun@gmail.com>
2020-05-28 12:37:48 +02:00

41 lines
885 B
JavaScript

'use strict'
const PeerId = require('peer-id')
const multiaddr = require('multiaddr')
const errCode = require('err-code')
const { codes } = require('./errors')
/**
* Converts the given `peer` to a `Peer` object.
* If a multiaddr is received, the addressBook is updated.
* @param {PeerId|Multiaddr|string} peer
* @param {PeerStore} peerStore
* @returns {{ id: PeerId, multiaddrs: Array<Multiaddr> }}
*/
function getPeer (peer) {
if (typeof peer === 'string') {
peer = multiaddr(peer)
}
let addr
if (multiaddr.isMultiaddr(peer)) {
addr = peer
try {
peer = PeerId.createFromB58String(peer.getPeerId())
} catch (err) {
throw errCode(
new Error(`${peer} is not a valid peer type`),
codes.ERR_INVALID_MULTIADDR
)
}
}
return {
id: peer,
multiaddrs: addr ? [addr] : undefined
}
}
module.exports = getPeer