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@zhin.js/schedule-feature

v1.1.6

Published

Generation-owned schedule Feature for Zhin Plugin Runtime

Readme

@zhin.js/schedule-feature

Plugin Runtime 的 generation-owned Schedule Feature。插件在 schedules/<name>/index.ts 默认导出 defineSchedule(...);同目录其他文件是 helper,不会被解析成任务。

import { defineSchedule } from '@zhin.js/schedule-feature';
import { reportServiceToken } from './report-service.js';

export default defineSchedule({
  cron: '0 0 9 * * *',
  description: 'Daily report',
  async execute(ctx) {
    await ctx.use(reportServiceToken).sendDailyReport();
  },
});

也可在 plugin.ts 的 setup({ addSchedule }) 中注入同一定义。Feature 在新 generation 激活时通过 owner-scoped scheduleHostToken 注册任务,并在旧 generation lease 释放后撤销旧注册。

execute(ctx) 的 owner、generation、config、use(token) 与 project(feature) 来自本次任务所属的 generation。目录声明和 addSchedule 使用同一接口;旧代停止接纳新执行,已进入的任务通过现有操作 lease 完成。无入站消息的后台任务不提供 Message、sender 或交互。

可以用 defineSchedule<MyConfig>(definition) 标注插件配置。跨重启的提醒、取消状态和投递目标应存入 owner 的 PersistentState;不要把 ctx、snapshot、Message、Client 或回调写入 cache 文件。cron、重叠、错过执行和投递未知的处理是不同问题,插件应明确业务策略,不能把再次执行等同于安全重试。