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