es-dev-server by open-wc seems to be import-aware.
https://open-wc.org/developing/es-dev-server.html
#!/JoePea

On Fri, Oct 16, 2020 at 6:40 PM #!/JoePea <j...@trusktr.io> wrote:
>
> So in practice, bundling is still a thing because there isn't an
> import-aware server that has been released that proves to be better
> than bundling? Or perhaps it's too much overhead to set up a server,
> so people just bundle?
>
> #!/JoePea
>
> On Wed, Oct 14, 2020 at 2:45 PM Randy Buchholz <w...@randybuchholz.com> wrote:
> >
> > I've been doing some work around module loading/importing recently, writing 
> > some "import awareness" into the server request pipeline. I'm also doing 
> > things on the client side, but I'm not set up to build a browser so I'm 
> > substituting a DI based `injection` approach for the `import` operation. 
> > It's given me a different perspective on module imports, especially when 
> > working with ES Classes. Here are my basic thoughts.
> >
> > To get to smarter imports both the client and server need  to be "import 
> > aware".  But I think just as importantly (and IMHO a prerequisite) is that 
> > the transport layer needs to directly support the concept of `import`. From 
> > the server side there is nothing in the message/request (e.g., in the 
> > header) that lets the server know the request is for an import - it just 
> > comes in as a Fetch. Knowing the type of request is an import up-front 
> > would allow early routing to "import handlers" on the server. I've 
> > suggested adding an `import` category to the headers  spec or extending 
> > `sec-fetch-dest` values to include `import` but there seems to be little 
> > interest.
> >
> > Also missing is a standard way to indicate what the client wants in the 
> > request. An `import` is basically a function call that uses "remote 
> > parameters" - the request response.
> > `{a, b, c} scoped = importFrom("/url");`
> > In worst-case form, the client is requesting a file and hoping it contains 
> > "parameters" usable by the import function. I say hoping, because the 
> > server doesn't know to return an importable file, it's up to the client to 
> > know what lies in the server url topology. Once the "importer" gets the 
> > parameter file there is another leap of faith (especially with named 
> > imports). Even if the file is importable, will it produce the correct 
> > types? We should be able to let the server know what we want. While this is 
> > too much info for a header, there should be a standard form of letting the 
> > server know what the client is looking for beyond "whatever is at this 
> > endpoint". Once a communication protocol is standardized, clients and 
> > servers can implement "import awareness".
> >
> > At least in my work, I've come to believe that the idea of "requesting a 
> > file to import" at a url address is too limiting. I really don't care where 
> > the items come from. Conceptually I'm thinking "give me these items" or 
> > "execute the import response process with these parameters", and not "give 
> > me this file". I almost see it as an HTTP verb -`IMPORT` lol. Anyway just 
> > my 2c.
> > _______________________________________________
> > es-discuss mailing list
> > es-discuss@mozilla.org
> > https://mail.mozilla.org/listinfo/es-discuss
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