Allow atomic push resubscribe

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难度
5/5
预计耗时
一周以上
新手友好度
20/100
Issue 类型
功能
描述清晰度
基本清楚
活跃度
停滞
技术栈
javascript
领域
api

调研方向

Start by reading the Push API subscription refresh algorithm linked in the issue and the surrounding PushManager specification. Work out how an atomic resubscribe method would interact with pushsubscriptionchange and subscription failure; done would mean the proposed behavior and returned promise are specified clearly. The thread has been inactive for years, so check whether the proposal is still relevant before starting.

由索引模型根据 Issue 内容生成。

描述

I was wondering if we can consider having an atomic resubscribe method for push? Apparently there are sites that unsubscribe and then try to subscribe again and then they lose their subscription if the browser is closed, for instance. It would be ideal if we were able to subscribe another channel and then if it succeeds, we remove the old channel.

After chatting with @beverloo, it sounded like we should have something like PushManager.refreshSubscription() that invokes the refresh algorithm and would return a Promise<void> that'd be resolved when the pushsubscriptionchange event has finished executing.

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从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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