Initial commit

node_modules/split2/index.js

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+/*
+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