decomposeTweenValue = (tween, targetObject) => {
  targetObject.t = tween._valueType;
  targetObject.n = tween._toNumber;
  targetObject.u = tween._unit;
  targetObject.o = null;
  targetObject.d = cloneArray(tween._toNumbers);
  targetObject.s = cloneArray(tween._strings);
  return targetObject;
}
@param  {Tween} tween
@param  {TweenDecomposedValue} targetObject
@return {TweenDecomposedValue}