# All files / server ls.js

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     import { expose } from 'postmsg-rpc'
    import { pre, post } from 'prepost'
    import pull from 'pull-stream'
    import PMS from 'pull-postmsg-stream'
    import shortid from 'shortid'
    import { preCidFromJson } from '../serialization/cid'
    import { preBufferFromJson } from '../serialization/buffer'
    import { functionToJson } from '../serialization/function'

    export default function (getIpfs, opts) {
      return {
        ls: expose('ipfs.ls', pre(
          preBufferFromJson(0),
          preCidFromJson(0),
          opts.pre('ls'),
          (...args) => getIpfs().ls(...args)
        ), opts),
        lsPullStream: expose('ipfs.lsPullStream', pre(
          preBufferFromJson(0),
          preCidFromJson(0),
          opts.pre('lsPullStream'),
          post(
            (...args) => getIpfs().lsPullStream(...args),
            (res) => new Promise((resolve) => {
              const readFnName = shortid()
              pull(res, PMS.sink(readFnName, opts))
              resolve(functionToJson(readFnName))
            })
          )
        ), opts)
      }
    }