module.submit = debounce(150, function() {
  // todo
})

var scrape = memoize(function(url) {
  return $.post('/scraper', { 'url': url })
})

var request = makePile(5, function() {
    $.post('/', { list: JSON.stringify([].slice.call(arguments)) })
})

// 連續傳送五次
request({a:1}), request({a:2}), request({a:3}), request({a:4}), request({a:5})
/* post =>
list:[{"a":1},{"a":2},{"a":3},{"a":4},{"a":5}]
 

 */

var makePile = function(count, onfilter, onvalue) {
  var values = [], id = function(value) { return value }
  return function(value) {
    values.push((onvalue || id).apply(this, arguments))
    if (values.length === count) {
      onfilter.apply(this, values)
      values = []
    }
  }
}

var trackFactory = function(delay, action) {
  var params = [], slice = [].slice
  var touch = debounce(delay, function() {
    if (params.length) {
      action(params)
      params = []
    }
  })
  return function() {
    params.push(slice.call(arguments))
    touch()
  }
}

var track = trackFactory(550, function(params) {
  // send tracking request
})

autoload.listen(feeds, 'next', sample(3, function() {
  this.enable()
}))