27 lines
725 B
CoffeeScript
27 lines
725 B
CoffeeScript
window.onTrue = (object, path, callback) ->
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if object.get(path)
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callback()
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else
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observer = ->
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object.removeObserver path, observer
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callback()
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object.addObserver path, observer
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window.onceLoaded = ->
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objects = Array.prototype.slice.apply(arguments)
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callback = objects.pop()
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# sadly Ember.Enumerable.compact does not remove undefined values
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objects = ((object || null) for object in objects).compact()
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object = objects.shift()
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if object
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path = if Ember.isArray(object) then 'firstObject.isLoaded' else 'isLoaded'
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onTrue object, path, ->
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if objects.length == 0
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callback(object)
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else
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onceLoaded.apply(objects + [callback])
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else
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callback object
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