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[Bug] 主应用DOM结构发生变化后,导致子应用的name发生变化,name会自动+1 #2892

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asyncguo opened this issue Jan 25, 2024 · 3 comments

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@asyncguo
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asyncguo commented Jan 25, 2024

What happens?

当多个子应用来回切换时,从第二个子应用切回第一个子应用,子应用的appName会自动加1

image

Mini Showcase Repository(REQUIRED)

最小重现

How To Reproduce

  1. 来回切换子应用,再次切换到app1时就会触发
  2. 切换过程中会动态更新主应用的菜单(因为业务上是动态从子应用获取的,case里只是mock了更新操作)

分析原因:

因为子应用 app1 第二次打开时,主应用的DOM结构发生了变化,导致qiankun中的计算出的containerXPath会发生变化,从而导致appConfigPromiseGetterMap获取不到缓存,重新执行了loadApp,获取到的appInstanceId会自动+1

image

源码定位

请问如何解决主应用 DOM 结构变化导致的 containerXPath 不同所产生的问题呢

Context

  • qiankun Version: 2.10.16
  • Platform Version: Mac OS
  • Browser Version: Chrome
@asyncguo
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$$cacheLifecycleByAppName 这个 api 好像可以解这个问题

if (container) {
    // using appName as cache for internal experimental scenario
    if ($$cacheLifecycleByAppName) {
        const parcelConfigGetterPromise = appConfigPromiseGetterMap.get(name);
        if (parcelConfigGetterPromise) return wrapParcelConfigForRemount((await parcelConfigGetterPromise)(container));
    }

    if (containerXPath) {
        const parcelConfigGetterPromise = appConfigPromiseGetterMap.get(appContainerXPathKey);
        if (parcelConfigGetterPromise) return wrapParcelConfigForRemount((await parcelConfigGetterPromise)(container));
    }
}

@pauldu-design
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你好,请问解决了吗,我这边也是类似的场景

@asyncguo
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你好,请问解决了吗,我这边也是类似的场景

$$cacheLifecycleByAppName 可以解

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