SAP Spartacus 服务器端渲染找不到 index 视图

我基于 SAP Spartacus 源代码级别 4.0 版本进行 SSR 调试时，遇到如下错误：在 dist/storefrontapp 文件夹下面，找不到 index 视图：

Error: Failed to lookup view "index" in views directory "C:\Code\SPA\spartacus\dist\storefrontapp"
at Function.render (C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:184430:17) [<root>]
at ServerResponse.render (C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:186292:7) [<root>]
at C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:315912:13 [<root>]
at Layer.handle [as handle_request] (C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:187201:5) [<root>]
at next (C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:187435:13) [<root>]
at Route.dispatch (C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:187410:3) [<root>]
at Layer.handle [as handle_request] (C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:187201:5) [<root>]
at C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:186714:22 [<root>]
at param (C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:186787:14) [<root>]
at param (C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:186798:14) [<root>]
at Function.process_params (C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:186843:3) [<root>]
at next (C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:186708:10) [<root>]
at expressInit (C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:184672:5) [<root>]
at Layer.handle [as handle_request] (C:\Code\SPA\spartacus\dist\storefrontapp-server\main.js:187201:5) [<root>]

原因是我忘了首先构建 Storefrontapp，因为即使服务器端渲染时，还是会从 dist 文件夹里读取 index 视图。

因此，首先执行 yarn build，对 storefrontapp 进行构建：

dist/storefrontapp 文件夹下构建出来的 JavaScript 文件动态刷新：

之后问题解决：

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