import type { Rule } from 'antd/es/form';

/** 邮箱格式校验：仅在非空时校验，避免与 required 规则在空值时同时报错（antd v6 行为） */
export const emailFormatRule: Rule = {
    validator: (_, value: string) =>
        !value || /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(value)
            ? Promise.resolve()
            : Promise.reject(new Error('邮箱格式不正确')),
};