index.js•912 B
var duplexer = require('duplexer')
module.exports = function () {
var streams = [].slice.call(arguments)
, first = streams[0]
, last = streams[streams.length - 1]
, thepipe = duplexer(first, last)
if(streams.length == 1)
return streams[0]
else if (!streams.length)
throw new Error('connect called with empty args')
//pipe all the streams together
function recurse (streams) {
if(streams.length < 2)
return
streams[0].pipe(streams[1])
recurse(streams.slice(1))
}
recurse(streams)
function onerror () {
var args = [].slice.call(arguments)
args.unshift('error')
thepipe.emit.apply(thepipe, args)
}
//es.duplex already reemits the error from the first and last stream.
//add a listener for the inner streams in the pipeline.
for(var i = 1; i < streams.length - 1; i ++)
streams[i].on('error', onerror)
return thepipe
}