Add support for % as a param delimiter (#2)

Windows does not support paths starting with `:` - this adds support for either `%` or `:` to indicate a parameter.

Author: jpbourgeon

index.js

@@ -2,21 +2,23 @@ const path = require('path')
 const fs = require('fs')
 const qs = require('querystring')
 
-const paramPattern = /:([^/]+)/
+
+const paramPattern = /(?::|%)([^\/]+)/
+
 // takes routes and decorates them with a 'match' method that will return { params, query } if a path matches
 function addMatch (route) {
   let routePath = route.path
   let paramNames = []
   let matched
-  // find any paths prefixed with a `:`, and treat them as capture groups
+  // find any paths prefixed with `:` or `%`, and treat them as capture groups
   while ((matched = routePath.match(paramPattern)) !== null) {
     routePath = routePath.replace(paramPattern, '([^?/]+)')
     paramNames.push(matched[1])
   }
   // if a route ends with `index`, allow matching that route without matching the `index` part
   if (path.basename(routePath) === 'index') {
     route.isIndex = true
-    routePath = routePath.replace(/\/index$/, '/?(:?index)?')
+    routePath = routePath.replace(/\/index$/, '/?([:%]?index)?')
   }
   // create a regex with our path
   let pattern = new RegExp(`^${routePath}(\\?(.*)|$)`, 'i')
@@ -45,7 +47,9 @@ function findRoutes (dir) {
 }
 
 const val = v => (typeof v === 'undefined' ? 0 : v)
+
 module.exports = function router (routesDir, config) {
+
   const routes = findRoutes(routesDir)
     // if filter function is set, filter routes
     .filter(config && config.filter || function () { return true })
@@ -55,9 +59,11 @@ module.exports = function router (routesDir, config) {
       let route = require(routeFile)
       let extPattern = new RegExp(path.extname(routeFile) + '$')
       if (!route.path) {
+
         route.path = '/' + path.relative(routesDir, routeFile).replace(extPattern, '')
         //Fix issue with windows paths
         route.path = route.path.replace(/\\/, '/')
+
       }
       return route
     })