A snippet do debug angular ui-router

ui-router-debug.coffee

$rootScope.$on "$stateChangeStart", (event, toState, toParams, fromState, fromParams) ->
  console.log "$stateChangeStart to " + toState.to + "- fired when the transition begins. toState,toParams : \n", toState, toParams

$rootScope.$on "$stateChangeError", (event, toState, toParams, fromState, fromParams) ->
  console.log "$stateChangeError - fired when an error occurs during transition."
  console.log arguments_

$rootScope.$on "$stateChangeSuccess", (event, toState, toParams, fromState, fromParams) ->
  console.log "$stateChangeSuccess to " + toState.name + "- fired once the state transition is complete."

$rootScope.$on "$viewContentLoaded", (event) ->
  console.log "$viewContentLoaded - fired after dom rendered", event

$rootScope.$on "$stateNotFound", (event, unfoundState, fromState, fromParams) ->
  console.log "$stateNotFound " + unfoundState.to + "  - fired when a state cannot be found by its name."
  console.log unfoundState, fromState, fromParams