Support international utf-8 chars in param values / names

[honzatrtik]

Hello!

international letter chars are not supported -

var Route = require('susanin').Route;
var route = Route('/<foo>/<bar>/<baz>');
console.log(route.match('/esc/rzy/aie')); // { foo: 'esc', bar: 'rzy', baz: 'aie' }
console.log(route.match('/ěšč/řžý/áíé')); // null

Using xregexp library (its unicode support - http://xregexp.com/plugins/#unicode) seems to be possible workaround.

[golyshevd]

+1

why parameter values are not [^\/]+?

https://github.com/nodules/susanin/blob/master/lib/route.js#L76

[kaero]

As for me, using the XRegExp library as a general solution for the matching is not suitable for the router which targeted to be fast. On first sight the better solution is to provide interface to setup custom matching functions – then you can use whatever you want to match routes.

[ruslankerimov]

By following rfc3986 the list of allowed characters in URI is this.

I think there are three solutions:

1. do nothing, because we can do like this;
2. use [^\/]+;
3. add % to regexp and decode values by decodeURIComponent, due to request to /ěšč/řžý/áí should be replaced to /%C4%9B%C5%A1%C4%8D/%C5%99%C5%BE%C3%BD/%C3%A1%C3%AD%C3%A9.

What do you think, which one is better?

[sbmaxx]

Maybe for now we add basic support for cyrillic like this:

var PARAM_VALUE_REGEXP_SOURCE = '[\\w\\-\\.~\u0400-\u04FF]+';