extension/packages/unloader.coffee

   1 ###
   2 # Copyright Anton Khodakivskiy 2012.
   3 # Copyright Simon Lydell 2014.
   4 #
   5 # This file is part of VimFx.
   6 #
   7 # VimFx is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # VimFx is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with VimFx.  If not, see <http://www.gnu.org/licenses/>.
  19 ###
  20
  21 class Unloader
  22   constructor: ->
  23     @unloaders = []
  24
  25   unload: ->
  26     unloader() for unloader in @unloaders
  27     @unloaders.length = 0
  28
  29   add: (callback) ->
  30     # Wrap the callback in a function that ignores failures.
  31     unloader = -> try callback()
  32     @unloaders.push(unloader)
  33
  34 exports.unloader = new Unloader