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pull-live

v1.0.1

Published

construct a pull-stream for reading from a writable source, can read old records, new (live) records, or both.

Downloads

189,940

Readme

pull-live

construct a pull-stream for reading from a writable source, can read old records, new (live) records, or both.

to be used by pull-level, multiblobs, and secure-scuttlebutt. pull-live is generic, and easy to adapt to a new case.

api: createLive(createSource(opts), createLive(opts)) => createLiveStream(opts)

createLive takes two functions, createSource (which returns a source stream of the stored data) and createLive which returns a stream of the live data. A function that takes opts and is returned.

if opts.live is set to true, the stream will only read the old data (from createSource) and then the new data (from createLive) with one item {sync: true} to mark when the old data has finished.

If opts.sync === false then the sync item will dropped.

if opts.live is true (default: false) the live data is included. if opts.old is false (default: true) the output will not include the old data. If live and old are both false, an error is thrown.

the only valid options are {live: true, old: false} {live: false, old: true} and {live: true, old: true}

I recomment using pull-notify to implement createLive.

var MyLiveStream = createLive(createSource, createLive)

pull(MyLiveStrea({live:..., old:...}),...)

License

MIT