Sha256: 5c7189710ed21ef156ec74d5d4ed719869fa6e5ba456bf0241a38b90b2e299d2
Contents?: true
Size: 1.92 KB
Versions: 7
Compression:
Stored size: 1.92 KB
Contents
/*
Copyright (c) 2014, Matteo Collina <hello@matteocollina.com>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
'use strict';
var through = require('through2')
function transform(chunk, enc, cb) {
var list = chunk.toString('utf8').split(this.matcher)
, remaining = list.pop()
, i
if (list.length >= 1) {
push(this, this.mapper((this._last + list.shift())))
} else {
remaining = this._last + remaining
}
for (i = 0; i < list.length; i++) {
push(this, this.mapper(list[i]))
}
this._last = remaining
cb()
}
function flush(cb) {
if (this._last)
push(this, this.mapper(this._last))
cb()
}
function push(self, val) {
if (val !== undefined)
self.push(val)
}
function noop(incoming) {
return incoming
}
function split(matcher, mapper, options) {
if (typeof matcher === 'object' && !(matcher instanceof RegExp)) {
options = matcher
matcher = null
}
if (typeof matcher === 'function') {
mapper = matcher
matcher = null
}
options = options || {}
var stream = through(options, transform, flush)
// this stream is in objectMode only in the readable part
stream._readableState.objectMode = true;
stream._last = ''
stream.matcher = matcher || /\r?\n/
stream.mapper = mapper || noop
return stream
}
module.exports = split
Version data entries
7 entries across 7 versions & 1 rubygems