promise reject flow

[NG]_promise_failed_flow.coffee

Promise = require 'bluebird'
methodC = -> 
  new Promise (resolve, reject)->
    setTimeout ->
      console.log 'methodC'
      reject 'methodC failed'
    , 1000
methodB = ->
  new Promise (resolve, reject)->
    setTimeout ->
      console.log 'methodB'
      reject 'methodB failed'
    , 1000
 
methodA = (param)->
  unless param
    return Promise.reject 'methodA Reject'

  Promise.resolve(1)
  .then ->
    methodB()
  .catch (e)->
    console.log 'methodB failed handler'
    Promise.reject e
  .then ->
    methodC()
  .catch (e)->
    console.log 'methodC failed handler'
    Promise.reject e
 
console.log 'start'
 
methodA('p')
.then (v)->
  console.log "this is then. #{v}"
.catch (e)->
  console.log "this is catch. #{e}"
 
console.log 'end'
 
###
start
end
methodB
methodB failed handler
methodC failed handler
this is catch. methodB failed
###

[OK]_promise_failed_flow.coffee

Promise = require 'bluebird'
methodC = -> 
  new Promise (resolve, reject)->
    setTimeout ->
      console.log 'methodC'
      reject 'methodC failed'
    , 1000
methodB = ->
  new Promise (resolve, reject)->
    setTimeout ->
      console.log 'methodB'
      reject 'methodB failed'
    , 1000
 
methodA = (param)->
  unless param
    return Promise.reject 'methodA Reject'

  call_methodB = ->
    methodB()
    .catch (e)->
      console.log 'methodB failed handler'
      Promise.reject e

  call_methodC = ->
    methodC()
    .catch (e)->
      console.log 'methodC failed handler'
      Promise.reject e

  Promise.resolve(1)
  .then ->
    call_methodB()
  .then ->
    call_methodC()
 
console.log 'start'
 
methodA('p')
.then (v)->
  console.log "this is then. #{v}"
.catch (e)->
  console.log "this is catch. #{e}"
 
console.log 'end'
 
###
start
end
methodB
methodB failed handler
this is catch. methodB failed
###