> However, it [Typescript] does not actually ensure that the data you are manipulating corresponds to the type that you have declared to represent it. For examp

> However, it [Typescript] does not actually ensure that the data you are manipulating corresponds to the type that you have declared to represent it. For example, the data might contain additional fields or even incorrect values for declared types. This made me curious, as it sounds like something that can be added as a transpiler option under tsconfig.json. But it turns out Typescript doesn't already have a support for "nominal" type, but there are some tricks one can leverage to achieve similar thing: https://medium.com/better-programming/nominal-typescript-eee36e9432d2 https://medium.com/better-programming/nominal-typescript-eee...