An experimental extension for https://github.com/fnando/i18n-js

i18n-ext.js.coffee

#= require i18n

# XXX experiment

I18n._boring_translate = I18n.translate
I18n.t = I18n.translate = (scope, options)->
  if typeof scope == 'string' && scope[0] == '.'
    scope = scope.slice 1
    options ||= {}
    options.scope ||= I18n._local_scope
  I18n._boring_translate scope, options

I18n.localScope = (scope, block)->
  upper_scope = @_local_scope
  @_local_scope = scope
  try
    ret = block()
  catch e
    error = e
  finally
    @_local_scope = upper_scope

  throw error  if error?
  ret

$ ->  # XXX too hacky!
  _(window.JST).each (value, key)->
    to_scope = key.replace '/', '.'
    window.JST[key] = (context)->
      I18n.localScope to_scope, -> value(context)