Recursively generate a list of all paths into some object

object-paths.ts

type StringSerialized<T extends object, Prefix extends string = ""> = T extends Array<any> ? {
  [P in keyof T & `${bigint}`]: `-${P}` extends `${bigint}` 
    ? | `${Prefix}${P}`
      | StringSerialized<T[P] & object, `${Prefix}${P}.`>
    : never
}[keyof T & `${bigint}`] : {
    [P in keyof T & string]: 
      | `${Prefix}${P}`
      | StringSerialized<T[P] & object, `${Prefix}${P}.`>
}[keyof T & string];