Ways to integrate object-or-array with recursion in Typescript

I am striving to achieve the following:

type Foo = ({bar: string} & Record<string, Foo>) | Foo[]

However, I keep encountering issues such as circular references in type or
the constraint that

An interface can only extend an object type or intersection of object types with statically known members
when using interface, resulting in code like this:

type Atom = { bar: string } & Record<string, Foo>
type ArrayOrRecord = Atom | Array<Atom>
interface Foo extends ArrayOrRecord {}

A similar question was discussed here Recursive array type typescript, but my situation differs in that Atom contains recursive properties.

Answer №1

To enhance the Data structure, simply broaden the scope:

type Bar = ({foo: number} & { [A in string] : Bar }) | Bar[]

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