/**
 * 深度设置为可选
 * @example
 * 输入：
 *   type Example = {
 *     first: {
 *       second: {
 *         name: string;
 *       };
 *     };
 *   };
 *   type example = DeepPartial<NestedProps>;
 * 输出：
 *  type example = {
 *   first?:{
 *      second?:{
 *          name?:string
 *      }
 *   }
 * }
 */
export type DeepPartial<T> = T extends Function ? T : T extends Array<infer U> ? DeepPartialArray<U> : T extends object ? DeepPartialObject<T> : T | undefined;
export interface DeepPartialArray<T> extends Array<DeepPartial<T>> {
}
export type DeepPartialObject<T> = {
    [P in keyof T]?: DeepPartial<T[P]>;
};