luca.util.resolve.coffee

# Takes an string like "deep.nested.value" and an object like window
# and returns the value of window.deep.nested.value.  useful for defining
# references on objects which don't yet exist, as strings, which get
# evaluated at runtime when such references will be available
Luca.util.resolve = (propertyReference, source_object)->
  return propertyReference unless _.isString(propertyReference)

  try
    source_object ||= (window || global)
    resolved = _( propertyReference.split(/\./) ).inject (obj,key)->
      obj = obj?[key]
    , source_object
  catch e
    console.log "Error resolving", propertyReference, source_object
    throw e
    
  resolved