gistfile1.txt

module.exports = function(data) {
  var _data = data

  var filter = {
    byType: function(query) {
      // alter _data
      return this
    },
    byName: function(query) {
      // alter _data
      return this
    },
    byAttributes: function(query) {
      // alter _data
      return this
    },
    byDistricts: function(query) {
      // alter _data
      return this
    },
    byLanguages: function(query) {
      // alter _data
      return this
    },
    byDayOfWeek: function(query) {
      // alter _data
      return this
    },
    byTime: function(query) {
      // alter _data
      return this
    },
    byDuration: function(query) {
      // alter _data
      return this
    },
    byAddress: function(query) {
      // alter _data
      return this
    },
    byDistance: function(query) {
      // alter _data
      return this
    },
    finish: function() {
      return _data
    }
  }

  return filter
}

gistfile2.txt

var Filter = require('filter')

var data = [
  { name: 'Number one', attributes: [ 'open' ] },
  { name: 'Number two', attributes: [ 'closed' ] },
  { name: 'Number three', attributes: [ 'open' ] },
  { name: 'Different', attributes: ['open'] }
]

var query = { name: 'Number', attributes: [ 'open' ] }

var result = Filter(data).byName(query).byAttributes(query).finish()

// result would be:
//
// [
//   { name: 'Number one', attributes: [ 'open' ] },
//   { name: 'Number three', attributes: [ 'open' ] }
// ]