aboutsummaryrefslogtreecommitdiff
path: root/node_modules/readable-stream/lib/_stream_duplex.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/readable-stream/lib/_stream_duplex.js')
-rw-r--r--node_modules/readable-stream/lib/_stream_duplex.js70
1 files changed, 28 insertions, 42 deletions
diff --git a/node_modules/readable-stream/lib/_stream_duplex.js b/node_modules/readable-stream/lib/_stream_duplex.js
index b513d61a9..736693b84 100644
--- a/node_modules/readable-stream/lib/_stream_duplex.js
+++ b/node_modules/readable-stream/lib/_stream_duplex.js
@@ -1,39 +1,25 @@
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
// a duplex stream is just a stream that is both readable and writable.
// Since JS doesn't have multiple prototypal inheritance, this class
// prototypally inherits from Readable, and then parasitically from
// Writable.
-module.exports = Duplex;
+'use strict';
/*<replacement>*/
+
var objectKeys = Object.keys || function (obj) {
var keys = [];
- for (var key in obj) keys.push(key);
- return keys;
-}
+ for (var key in obj) {
+ keys.push(key);
+ }return keys;
+};
/*</replacement>*/
+module.exports = Duplex;
+
+/*<replacement>*/
+var processNextTick = require('process-nextick-args');
+/*</replacement>*/
/*<replacement>*/
var util = require('core-util-is');
@@ -45,27 +31,24 @@ var Writable = require('./_stream_writable');
util.inherits(Duplex, Readable);
-forEach(objectKeys(Writable.prototype), function(method) {
- if (!Duplex.prototype[method])
- Duplex.prototype[method] = Writable.prototype[method];
-});
+var keys = objectKeys(Writable.prototype);
+for (var v = 0; v < keys.length; v++) {
+ var method = keys[v];
+ if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
+}
function Duplex(options) {
- if (!(this instanceof Duplex))
- return new Duplex(options);
+ if (!(this instanceof Duplex)) return new Duplex(options);
Readable.call(this, options);
Writable.call(this, options);
- if (options && options.readable === false)
- this.readable = false;
+ if (options && options.readable === false) this.readable = false;
- if (options && options.writable === false)
- this.writable = false;
+ if (options && options.writable === false) this.writable = false;
this.allowHalfOpen = true;
- if (options && options.allowHalfOpen === false)
- this.allowHalfOpen = false;
+ if (options && options.allowHalfOpen === false) this.allowHalfOpen = false;
this.once('end', onend);
}
@@ -74,16 +57,19 @@ function Duplex(options) {
function onend() {
// if we allow half-open state, or if the writable side ended,
// then we're ok.
- if (this.allowHalfOpen || this._writableState.ended)
- return;
+ if (this.allowHalfOpen || this._writableState.ended) return;
// no more data can be written.
// But allow more writes to happen in this tick.
- process.nextTick(this.end.bind(this));
+ processNextTick(onEndNT, this);
}
-function forEach (xs, f) {
+function onEndNT(self) {
+ self.end();
+}
+
+function forEach(xs, f) {
for (var i = 0, l = xs.length; i < l; i++) {
f(xs[i], i);
}
-}
+} \ No newline at end of file