値を消す
function removeValueSubOrder<T, K extends keyof T, P extends keyof T[K]>( target: T, subOrder: K, keys: P[] ): T { const obj = { ...target } as any for (const key of keys) { obj[subOrder][key] = undefined } return obj as T } function removeValue<T, K extends keyof T>(target: T, keys: K[]): T { const obj = { ...target } as any for (const key of keys) { obj[key] = undefined } return obj as T }