add example showing how to serve a react-style SPA using warp

[Melvillian]

I spent around a day trying to figure out how to serve a single page application via warp and once I figured it out I thought I'd add an example for it since i figured I'm not the only one looking to use warp for react-style apps.

This PR is not mergeable as is, because this example is still not loading the index.js javascript correct from the index.html. I need someone more familiar with warp to tell me what needs to change here before we can add this example.

Note: I was able to get this example to work by changing main.js so there is 1 route for the index.html and route for theindex.js. However this is just a kludgy workaround because if I want to add another asset for the browser to fetch (e.g. index.css) then I have to go and add an additional route. I want to be able to just expose a single public/` directory and then the browser can fetch any assets it contains.

[ParkMyCar]

I'm not positive, but it looks like the path! macro eventually finishes with a warp::path::end() which means your route examples/html-with-js/public won't match examples/html-with-js/public/... or more specifically examples/html-with-js/public/index.js

What you could do is

// Note the non-macro path
let public = warp::path("public").and(warp::fs::dir("examples/html-with-js/public"));

<script src="public/index.js"></script>

I've also created a very similar example here if you wanted to take a look 😄

[jxs]

Hi, thanks for your interest, and sorry for the delay! We already have a quite significant number of examples so it might become confusing adding more, but I think this might make sense as an upgrade of the handlebars templating example what do you think?

[ranile]

I think this might make sense as an upgrade of the handlebars templating example what do you think?

Handlebars is templates which renders the markup on server so I don't think it makes sense to include a SPA in that example. Static files example seems like a better fit for this, imo.

[jxs]

Handlebars is templates which renders the markup on server so I don't think it makes sense to include a SPA in that example. Static files example seems like a better fit for this, imo.

Ah right! the problem I see with the file example and this one replacing it is that this is using fs::file redundantly cause fs::dir already returns index.html so should get a way to also showcase fs:file