Add node_modules

node_modules/split/index.js

@@ -0,0 +1,63 @@
+//filter will reemit the data if cb(err,pass) pass is truthy
+
+// reduce is more tricky
+// maybe we want to group the reductions or emit progress updates occasionally
+// the most basic reduce just emits one 'data' event after it has recieved 'end'
+
+
+var through = require('through')
+var Decoder = require('string_decoder').StringDecoder
+
+module.exports = split
+
+//TODO pass in a function to map across the lines.
+
+function split (matcher, mapper, options) {
+  var decoder = new Decoder()
+  var soFar = ''
+  var maxLength = options && options.maxLength;
+  if('function' === typeof matcher)
+    mapper = matcher, matcher = null
+  if (!matcher)
+    matcher = /\r?\n/
+
+  function emit(stream, piece) {
+    if(mapper) {
+      try {
+        piece = mapper(piece)
+      }
+      catch (err) {
+        return stream.emit('error', err)
+      }
+      if('undefined' !== typeof piece)
+        stream.queue(piece)
+    }
+    else
+      stream.queue(piece)
+  }
+
+  function next (stream, buffer) {
+    var pieces = ((soFar != null ? soFar : '') + buffer).split(matcher)
+    soFar = pieces.pop()
+
+    if (maxLength && soFar.length > maxLength)
+      stream.emit('error', new Error('maximum buffer reached'))
+
+    for (var i = 0; i < pieces.length; i++) {
+      var piece = pieces[i]
+      emit(stream, piece)
+    }
+  }
+
+  return through(function (b) {
+    next(this, decoder.write(b))
+  },
+  function () {
+    if(decoder.end)
+      next(this, decoder.end())
+    if(soFar != null)
+      emit(this, soFar)
+    this.queue(null)
+  })
+}
+