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Dominic / patchbay



Tree: fdca1d25ea142fa395482e66593db66d33f6589c

Files: fdca1d25ea142fa395482e66593db66d33f6589c / router / async / router.js

801 bytesRaw
1const nest = require('depnest')
2
3exports.gives = nest('router.async.router')
4
5exports.needs = nest({
6  'router.async.normalise': 'first',
7  'router.sync.routes': 'reduce'
8})
9
10exports.create = (api) => {
11  var router = null
12
13  return nest('router.async.router', (location, cb) => {
14    if (!router) {
15      router = Router(api.router.sync.routes())
16    }
17
18    api.router.async.normalise(location, (err, normLocation) => {
19      if (err) return cb(err)
20
21      router(normLocation, cb)
22    })
23
24    // stop depject 'first' after this method
25    return true
26  })
27}
28
29function Router (routes) {
30  return (location, cb) => {
31    const route = routes.find(([validator]) => validator(location))
32    // signature of a route is [ routeValidator, routeFunction ]
33
34    if (route) cb(null, route[1](location))
35  }
36}
37

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