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var stream = require("readable-stream");
var duplex2 = module.exports = function duplex2(options, writable, readable) {
return new DuplexWrapper(options, writable, readable);
};
var DuplexWrapper = exports.DuplexWrapper = function DuplexWrapper(options, writable, readable) {
if (typeof readable === "undefined") {
readable = writable;
writable = options;
options = null;
}
options = options || {};
options.objectMode = true;
stream.Duplex.call(this, options);
this._bubbleErrors = (typeof options.bubbleErrors === "undefined") || !!options.bubbleErrors;
this._writable = writable;
this._readable = readable;
var self = this;
writable.once("finish", function() {
self.end();
});
this.once("finish", function() {
writable.end();
});
readable.on("data", function(e) {
if (!self.push(e)) {
readable.pause();
}
});
readable.once("end", function() {
return self.push(null);
});
if (this._bubbleErrors) {
writable.on("error", function(err) {
return self.emit("error", err);
});
readable.on("error", function(err) {
return self.emit("error", err);
});
}
};
DuplexWrapper.prototype = Object.create(stream.Duplex.prototype, {constructor: {value: DuplexWrapper}});
DuplexWrapper.prototype._write = function _write(input, encoding, done) {
this._writable.write(input, encoding, done);
};
DuplexWrapper.prototype._read = function _read(n) {
this._readable.resume();
};
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