except that it doesn't have an HTML page
I think they mean that it doesn't have its own html page with head and body section. Instead, it has only its own section of the DOM, without those 'upstream' parts.
3 Matching Annotations
- Jan 2019
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single-spa.js.org single-spa.js.org
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A reference to the singleSpa instance, itself. This is intended to allow applications and helper libraries to call singleSpa APIs without having to import it.
important. can it be useful to share information between different apps called by single-spa? I know there are other recommended mechanisms for this in single-spa world but just a thought - could be useful for that.
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pass a reference to a common event bus so each app may talk to each other
this seems like a recommended way to share events and data between multiple apps in one single-spa instance. i wonder how technically this should be implemented
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