diff options
author | Minteck <freeziv.ytb@gmail.com> | 2021-03-07 18:29:17 +0100 |
---|---|---|
committer | Minteck <freeziv.ytb@gmail.com> | 2021-03-07 18:29:17 +0100 |
commit | 0f79e708bf07721b73ea41e5d341be08e8ea4dce (patch) | |
tree | f3c63cd6a9f4ef0b26f95eec6a031600232e80c8 /node_modules/bl/bl.js | |
download | electrode-0f79e708bf07721b73ea41e5d341be08e8ea4dce.tar.gz electrode-0f79e708bf07721b73ea41e5d341be08e8ea4dce.tar.bz2 electrode-0f79e708bf07721b73ea41e5d341be08e8ea4dce.zip |
Initial commit
Diffstat (limited to 'node_modules/bl/bl.js')
-rw-r--r-- | node_modules/bl/bl.js | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/node_modules/bl/bl.js b/node_modules/bl/bl.js new file mode 100644 index 0000000..40228f8 --- /dev/null +++ b/node_modules/bl/bl.js @@ -0,0 +1,84 @@ +'use strict' + +const DuplexStream = require('readable-stream').Duplex +const inherits = require('inherits') +const BufferList = require('./BufferList') + +function BufferListStream (callback) { + if (!(this instanceof BufferListStream)) { + return new BufferListStream(callback) + } + + if (typeof callback === 'function') { + this._callback = callback + + const piper = function piper (err) { + if (this._callback) { + this._callback(err) + this._callback = null + } + }.bind(this) + + this.on('pipe', function onPipe (src) { + src.on('error', piper) + }) + this.on('unpipe', function onUnpipe (src) { + src.removeListener('error', piper) + }) + + callback = null + } + + BufferList._init.call(this, callback) + DuplexStream.call(this) +} + +inherits(BufferListStream, DuplexStream) +Object.assign(BufferListStream.prototype, BufferList.prototype) + +BufferListStream.prototype._new = function _new (callback) { + return new BufferListStream(callback) +} + +BufferListStream.prototype._write = function _write (buf, encoding, callback) { + this._appendBuffer(buf) + + if (typeof callback === 'function') { + callback() + } +} + +BufferListStream.prototype._read = function _read (size) { + if (!this.length) { + return this.push(null) + } + + size = Math.min(size, this.length) + this.push(this.slice(0, size)) + this.consume(size) +} + +BufferListStream.prototype.end = function end (chunk) { + DuplexStream.prototype.end.call(this, chunk) + + if (this._callback) { + this._callback(null, this.slice()) + this._callback = null + } +} + +BufferListStream.prototype._destroy = function _destroy (err, cb) { + this._bufs.length = 0 + this.length = 0 + cb(err) +} + +BufferListStream.prototype._isBufferList = function _isBufferList (b) { + return b instanceof BufferListStream || b instanceof BufferList || BufferListStream.isBufferList(b) +} + +BufferListStream.isBufferList = BufferList.isBufferList + +module.exports = BufferListStream +module.exports.BufferListStream = BufferListStream +module.exports.BufferList = BufferList |