shouldComponentUpdate always returns true for unchanged config and content props causes component to rerender every time when parent component rerenders.
config object comparison happens against customized version of config object which includes selector and setup properties that were added after _init method execution.
config prop need to be cloned before adding any extra properties to it for internal needs..
shouldComponentUpdatealways returns true for unchangedconfigandcontentprops causes component to rerender every time when parent component rerenders.configobject comparison happens against customized version of config object which includesselectorandsetupproperties that were added after_initmethod execution.config prop need to be cloned before adding any extra properties to it for internal needs..