node_modules

node_modules/bottleneck/src/Batcher.coffee

@@ -0,0 +1,39 @@
+parser = require "./parser"
+Events = require "./Events"
+
+class Batcher
+  defaults:
+    maxTime: null
+    maxSize: null
+    Promise: Promise
+
+  constructor: (@options={}) ->
+    parser.load @options, @defaults, @
+    @Events = new Events @
+    @_arr = []
+    @_resetPromise()
+    @_lastFlush = Date.now()
+
+  _resetPromise: ->
+    @_promise = new @Promise (res, rej) => @_resolve = res
+
+  _flush: ->
+    clearTimeout @_timeout
+    @_lastFlush = Date.now()
+    @_resolve()
+    @Events.trigger "batch", @_arr
+    @_arr = []
+    @_resetPromise()
+
+  add: (data) ->
+    @_arr.push data
+    ret = @_promise
+    if @_arr.length == @maxSize
+      @_flush()
+    else if @maxTime? and @_arr.length == 1
+      @_timeout = setTimeout =>
+        @_flush()
+      , @maxTime
+    ret
+
+module.exports = Batcher