Type Alias ComponentFromRef<Document, Ref>

ComponentFromRef: Ref extends `#/components/${infer Section}/${infer Name}`
    ? Document extends { components: Record<string, any> }
        ? Section extends keyof Document["components"]
            ? Name extends keyof Document["components"][Section]
                ? Document["components"][Section][Name]
                : never
            : never
        : never
    : never