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