Q = require 'q'

defFunc1 = () ->
    deferred = Q.defer()
    console.log "1 - started"
    setTimeout () =>
        console.log "1 - resolver"
        deferred.resolve()
    , 100

    return deferred.promise

defFunc2 = () ->
    deferred = Q.defer()
    console.log "2 - started"
    setTimeout () =>
        console.log "2 - resolver"
        deferred.resolve()
    , 10

    return deferred.promise

defFunc3 = () ->
    deferred = Q.defer()
    console.log "3 - started"
    setTimeout () =>
        console.log "3 - resolver"
        deferred.resolve()
    , 5

    return deferred.promise

f = Q()
f.then () ->
    return defFunc1()

f.then () ->
    return defFunc2()

f.then () ->
    return defFunc3()

f.then () ->
    console.log "ended"
.done()