Type Alias NoFunctions<T>

NoFunctions: T extends (...args: any[]) => any
    ? never
    : T extends object
        ? {
            [K in keyof T]: T[K] extends (...args: any[]) => any ? never : T[K]
        }
        : T

Filters out function properties from a type, keeping only data properties. For arrays, keeps the array structure while filtering functions from elements.