mount on regexp prefix about mount HOT 8 CLOSED

I have a need to mount on a prefix with a dynamic segment, e.g. /users/:user/app/

I think I can hack koajs/mount to allow for a regexp prefix, but is there a better way of doing this?

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for vhost-style routing you can use this.subdomains or this.host

from mount.

I understand (found https://github.com/koajs/examples/tree/master/vhost for instance).

I am still hesitating on this and probably need to discover koajs a bit more.

basically I consider that the domain is part of the whole rewriting scheme of an application. After all, once the request is inside the server, why should we make a difference between host and pathname for routing purposes ?

it can make sense to mount a blog on either

1. blog.domain.com/
2. www.domain.com/blog/

but i don't see why the solution for mounting should be different. does it make sense ?

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for this module I'd like to just keep it simple and mount on paths, but I think if we add koajs/vhost or similar that would be great

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@tobymarsden you could take a look at npm's koa-router module.

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Thanks @jeromew -- I've been playing with it, but couldn't figure out how to mount another Koa app onto a route. Do you know if this is possible?

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Hello,
I am not sure this is the right place to discuss this ;-) but you can "summarize" a koa app into a single middleware by calling

var compose = require('koa-compose');
var mw = compose(app.middleware);

then you can register this with koa-router like so :

r.get('/users/:user/app/', mw)

so this could do the trick for a 'GET' based application but it would depend a lot on what you are trying to achieve i suppose and there are other options with koa-router.

You might also need to add a middleware in front of the app.middleware array if you need the rewriting scheme that koa mount offers.

I suggest you ask further questions there or on koa mailing list (google groups) since koa mount is not directed towards complex routing, or parameter based rewriting.

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@jeromew -- perfect, thanks! koa-compose is the missing piece I'm after, and saves me chopping koa-mount up in nasty ways, though I can still see a use-case for the mount paths supporting a regexp.

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