Merge a996994 into 573b967

lib/ways.js

@@ -1,10 +1,14 @@
 var way = require('./way'),
-    flow = require('./flow');
+    flow = require('./flow'),
+    happens = require('happens');
 
 var mode, flo, middleware,
     routes = [];
 
+var e = happens({});
+
 dispatch = function(url) {
+  e.emit("url:change", url);
   var i, route;
   url = '/' + url.replace(/^[\/]+|[\/]+$/mg, '');
   for(i in routes) {
@@ -27,14 +31,17 @@ run = function(url, route) {
 module.exports = function(pattern, runner, destroyer, dependency){
   if(flo && arguments.length < 3)
     throw new Error('In `flow` mode you must to pass at least 3 args.');
-  
+
   var route = way(pattern, runner, destroyer, dependency);
   routes.push(route);
   return route;
 };
 
 exports = module.exports;
 
+exports.on = e.on.bind(e);
+exports.off = e.off.bind(e);
+
 exports.init = function() {
   dispatch(this.pathname());
 };
@@ -57,11 +64,16 @@ exports.pathname = function(){
     return middleware.pathname();
 };
 
-exports.go = function(url, title, state){
+exports.go = function(url, title, state) {
+
   if(middleware)
+  {
     middleware.push(url, title, state);
+  }
   else
+  {
     dispatch(url);
+  }
 };
 
 exports.go.silent = function(url, title, state){
@@ -74,4 +86,4 @@ exports.reset = function(){
   mode = null
   routes = []
   middleware = null
-};
+};

test/events.js

@@ -0,0 +1,37 @@
+var ways = require('../lib/ways'),
+    should = require('chai').should();
+
+describe('[events]', function(){
+
+  var out = null,
+      run = null,
+      destroy = null;
+
+  before(function(){
+
+    run = function(req) {
+
+    }
+
+    ways.reset()
+    ways('/', run);
+    ways('/pages', run);
+  });
+
+  it('should dispatch an event when the url changes', function(done) {
+
+    ways.on("url:change", function (pathname) {
+      pathname.should.equal('/pages')
+      done()
+    });
+
+    ways.go('/pages');
+  });
+
+  it('should remove event when the url changes', function(done) {
+
+    ways.off("url:change");
+    done()
+    ways.go('/pages');
+  });
+});