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stream: use nop as write() callback if omitted

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This commit introduces a nop function that is used as the
Writable.prototype.write() callback when one is not provided.
This saves on function object creation.

PR-URL: https://github.com/iojs/io.js/pull/564
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
This commit is contained in:
cjihrig 2015-01-22 20:46:43 -05:00
parent df0d790107
commit 40ffed8f3f
1 changed files with 3 additions and 1 deletions
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4
lib/_stream_writable.js
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@ -13,6 +13,8 @@ const debug = util.debuglog('stream');
util.inherits(Writable, Stream);
function nop() {}
function WriteReq(chunk, encoding, cb) {
this.chunk = chunk;
this.encoding = encoding;
@ -189,7 +191,7 @@ Writable.prototype.write = function(chunk, encoding, cb) {
encoding = state.defaultEncoding;
if (!util.isFunction(cb))
cb = function() {};
cb = nop;
if (state.ended)
writeAfterEnd(this, state, cb);