1 | module.exports = Router
|
2 |
|
3 | function Router () {
|
4 | this.routes = []
|
5 | this._default = noop
|
6 | this.match = this.match.bind(this)
|
7 | }
|
8 |
|
9 | Router.prototype.route = function (regex, handler) {
|
10 | if (regex === '*') {
|
11 | this._default = handler
|
12 | } else {
|
13 | this.routes.push({
|
14 | regex: regex,
|
15 | handler: handler
|
16 | })
|
17 | }
|
18 | }
|
19 |
|
20 | Router.prototype.default = function (handler) {
|
21 | this._default = handler
|
22 | }
|
23 |
|
24 | Router.prototype.match = function (req, res, next) {
|
25 | var url = req.url
|
26 | var len = this.routes.length
|
27 | var i = 0
|
28 | var output, route
|
29 | for (; i < len; i++) {
|
30 | route = this.routes[i]
|
31 | output = route.regex.exec(url)
|
32 |
|
33 | if (output) {
|
34 | route.handler(req, res, output, next)
|
35 | return
|
36 | }
|
37 | }
|
38 |
|
39 | this._default(req, res, next)
|
40 | }
|
41 |
|
42 | function noop (req, res) {
|
43 | res.statusCode = 404
|
44 | res.end()
|
45 | }
|