API REFERENCE
NestedObject
Fields, allowed values, and APIs that use NestedObject.
Type definition
A question mark (?) marks an optional field; readonly marks a value you should not change directly. A union (|) accepts one of the listed forms. Functions are callbacks that Grid invokes at the relevant point.
type NestedObject<T> =
NonNullable<T> extends GridFieldLeaf ? never
: NonNullable<T> extends readonly unknown[] ? never
: NonNullable<T> extends object ? NonNullable<T>
: never;