How do I condense nested keys in TypeScript?

If I have two types defined in TypeScript:

interface Foo {
  bar: string;
}

interface Baz {
  foo: Foo;
}

Is it possible to flatten the Baz type in TypeScript (e.g. type FlatBaz = Flatten<Baz>), so that the signature appears similar to this?

interface FlatBaz {
  "foo.bar": string;
}

Answer №2

As far as I know, that doesn't exist.

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