extension/packages/vim.coffee

   1 { modes }           = require 'modes'
   2 { isEscCommandKey } = require 'commands'
   3
   4 class Vim
   5   constructor: (@window) ->
   6     @storage = {}
   7     @enterMode('normal')
   8
   9   enterMode: (mode, args) ->
  10     # `args` is an array of arguments to be passed to the mode's `onEnter` method
  11     if mode not of modes
  12       throw new Error("Not a valid VimFx mode to enter: #{ mode }")
  13
  14     if @mode != mode
  15       if @mode of modes
  16         modes[@mode].onLeave(@, @storage[@mode], args)
  17
  18       @mode = mode
  19
  20       modes[@mode].onEnter(@, @storage[@mode] ?= {}, args)
  21
  22   onInput: (keyStr, event, options = {}) ->
  23     if options.autoInsertMode and not isEscCommandKey(keyStr)
  24       return false
  25
  26     return modes[@mode]?.onInput(@, @storage[@mode], keyStr, event)
  27
  28 exports.Vim = Vim