# All files / client swarm.js

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     import { caller } from 'postmsg-rpc'
    import callbackify from 'callbackify'
    import { pre, post } from 'prepost'
    import { peerInfoFromJson, peerIdFromJson, isPeerInfoJson, isPeerIdJson } from '../serialization/peer'
    import { preMultiaddrToJson, multiaddrFromJson } from '../serialization/multiaddr'
    import { preBufferToJson } from '../serialization/buffer'

    export default function (opts) {
      return {
        peers: callbackify.variadic(
          post(
            caller('ipfs.swarm.peers', opts),
            (res) => Promise.all(
              res.map((item) => {
                item.addr = multiaddrFromJson(item.addr)

                // https://github.com/ipfs/js-ipfs/issues/1248
                if (isPeerInfoJson(item.peer)) {
                  return peerInfoFromJson(item.peer)
                    .then((peerInfo) => {
                      item.peer = peerInfo
                      return item
                    })
                } else if (isPeerIdJson(item.peer)) {
                  return peerIdFromJson(item.peer)
                    .then((peerId) => {
                      item.peer = peerId
                      return item
                    })
                }

                return Promise.resolve(item)
              })
            )
          )
        ),
        addrs: callbackify(
          post(
            caller('ipfs.swarm.addrs', opts),
            (res) => Promise.all(res.map(peerInfoFromJson))
          )
        ),
        localAddrs: callbackify(
          post(
            caller('ipfs.swarm.localAddrs', opts),
            (res) => res.map(multiaddrFromJson)
          )),
        connect: callbackify.variadic(
          pre(
            preBufferToJson(0),
            preMultiaddrToJson(0),
            caller('ipfs.swarm.connect', opts)
          )
        ),
        disconnect: callbackify.variadic(
          pre(
            preBufferToJson(0),
            preMultiaddrToJson(0),
            caller('ipfs.swarm.disconnect', opts)
          )
        )
      }
    }