[added] getPathname to Router.State

Fixes #413

Author: mjackson

modules/mixins/Scrolling.js

@@ -1,22 +1,18 @@
 var invariant = require('react/lib/invariant');
 var canUseDOM = require('react/lib/ExecutionEnvironment').canUseDOM;
 var getWindowScrollPosition = require('../utils/getWindowScrollPosition');
-var Path = require('../utils/Path');
 
 function shouldUpdateScroll(state, prevState) {
-  if (!prevState) {
+  if (!prevState)
     return true;
-  }
 
-  var path = state.path;
+  // Don't update scroll position when only the query has changed.
+  if (state.pathname === prevState.pathname)
+    return false;
+
   var routes = state.routes;
-  var prevPath = prevState.path;
   var prevRoutes = prevState.routes;
 
-  if (Path.withoutQuery(path) === Path.withoutQuery(prevPath)) {
-    return false;
-  }
-
   var sharedAncestorRoutes = routes.filter(function (route) {
     return prevRoutes.indexOf(route) !== -1;
   });

modules/mixins/State.js

@@ -23,6 +23,7 @@ var State = {
   contextTypes: {
     getCurrentPath: React.PropTypes.func.isRequired,
     getCurrentRoutes: React.PropTypes.func.isRequired,
+    getCurrentPathname: React.PropTypes.func.isRequired,
     getCurrentParams: React.PropTypes.func.isRequired,
     getCurrentQuery: React.PropTypes.func.isRequired,
     isActive: React.PropTypes.func.isRequired
@@ -42,6 +43,13 @@ var State = {
     return this.context.getCurrentRoutes();
   },
 
+  /**
+   * Returns the current URL path without the query string.
+   */
+  getPathname: function () {
+    return this.context.getCurrentPathname();
+  },
+
   /**
    * Returns an object of the URL params that are currently active.
    */

modules/mixins/StateContext.js

@@ -43,6 +43,13 @@ var StateContext = {
     return this.state.routes.slice(0);
   },
 
+  /**
+   * Returns the current URL path without the query string.
+   */
+  getCurrentPathname: function () {
+    return this.state.pathname;
+  },
+
   /**
    * Returns a read-only object of the currently active URL parameters.
    */
@@ -72,6 +79,7 @@ var StateContext = {
   childContextTypes: {
     getCurrentPath: React.PropTypes.func.isRequired,
     getCurrentRoutes: React.PropTypes.func.isRequired,
+    getCurrentPathname: React.PropTypes.func.isRequired,
     getCurrentParams: React.PropTypes.func.isRequired,
     getCurrentQuery: React.PropTypes.func.isRequired,
     isActive: React.PropTypes.func.isRequired
@@ -81,6 +89,7 @@ var StateContext = {
     return {
       getCurrentPath: this.getCurrentPath,
       getCurrentRoutes: this.getCurrentRoutes,
+      getCurrentPathname: this.getCurrentPathname,
       getCurrentParams: this.getCurrentParams,
       getCurrentQuery: this.getCurrentQuery,
       isActive: this.isActive

modules/utils/createRouter.js

@@ -255,8 +255,8 @@ function createRouter(options) {
        * Performs a match of the given pathname against this router and returns an object
        * with the { routes, params } that match. Returns null if no match can be made.
        */
-      match: function (path) {
-        return findMatch(Path.withoutQuery(path), routes, this.defaultRoute, this.notFoundRoute) || null;
+      match: function (pathname) {
+        return findMatch(pathname, routes, this.defaultRoute, this.notFoundRoute) || null;
       },
 
       /**
@@ -289,7 +289,8 @@ function createRouter(options) {
           this.recordScrollPosition(prevPath);
         }
 
-        var match = this.match(path);
+        var pathname = Path.withoutQuery(path);
+        var match = this.match(pathname);
 
         warning(
           match != null,
@@ -334,6 +335,7 @@ function createRouter(options) {
 
             nextState.path = path;
             nextState.action = action;
+            nextState.pathname = pathname;
             nextState.routes = nextRoutes;
             nextState.params = nextParams;
             nextState.query = nextQuery;