IDE support with JS is sometimes so advanced, that just changing the filename to TS makes the support worse, without any code change. This only goes for some s

IDE support with JS is sometimes so advanced, that just changing the filename to TS makes the support worse, without any code change. This only goes for some special cases and sadly react-redux with rematch is one of them. Typescript can not understand which types are present in my dispatch object, whereas it is possible with JS autocompletion! Just wanted to bring up this rather curious exception to the rule.