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itzaks/space-talk.coffee

Last active August 29, 2015 14:05
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Add mediator style pub/sub to space-pen views using flesch/psst.js
Raw
space-talk.coffee
psst = require 'psst'
module.exports = require 'space-pen'
module.exports.EventView =
class EventView extends module.exports.View
subscriptions: null
initialize: ->
return unless @subscriptions
for subscription, method of @subscriptions
method = @[method] if typeof method is 'string'
psst.on subscription, method
@beforeRemove = -> @unsubscribe()
emit: ->
psst.emit arguments...
unsubscribe: ->
for subscripition, method of subscriptions
psst.off subscription
@itzaks
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itzaks commented Aug 21, 2014

Use:

{ EventView, View, $$, $ } = require './lib/space-talk'

class Mail extends EventView
  subscriptions:
    'mail:show'   : 'init_mail'
    'mail:export' : 'export'

  init_mail: => 
    @emit('mail:init')

  initialize: ->
    super()

  beforeRemove: ->
    super()

@itzaks
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itzaks commented Aug 21, 2014

remember to call super on initialize and beforeRemove if used.

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