古いnode.js(0.10.x)でMoment.jsのプラグインとMoment Timezoneを共存させる方法 ref: http://qiita.com/178inaba/items/4ac5161b1a6be9055df0

file0.coffee

moment = require 'moment-timezone'
require 'moment-round'

# ...

getFilename = ->
  moment()
    .tz('Asia/Tokyo')
    .floor(5, 'minutes')
#    ^ <- ここ
    .format('YYYYMMDDHHmm')

file1.diff

{
  ...

  "engines": {
-   "node": "0.10.x"
+   "node": "6.3.1"
+   "npm": "3.10.3"
  }
}

file2.coffee

momentTimezone = require 'moment-timezone'
moment = require 'moment'
require 'moment-round'

# ...

getFilename = ->
  tokyo = momentTimezone().tz('Asia/Tokyo')
  moment(tokyo).floor(5, 'minutes').format('YYYYMMDDHHmm')