From a3299382657e7d98b12720c647c36a123f79c5c5 Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Sat, 17 Jun 2017 23:58:11 +0800
Subject: [PATCH] [build] 2.6.0

---
 dist/vue-router.common.js | 122 ++++++++++++++++++++++++--------------
 dist/vue-router.esm.js    | 122 ++++++++++++++++++++++++--------------
 dist/vue-router.js        | 122 ++++++++++++++++++++++++--------------
 dist/vue-router.min.js    |   4 +-
 4 files changed, 239 insertions(+), 131 deletions(-)

diff --git a/dist/vue-router.common.js b/dist/vue-router.common.js
index 321448dcb..82af883df 100644
--- a/dist/vue-router.common.js
+++ b/dist/vue-router.common.js
@@ -1,5 +1,5 @@
 /**
-  * vue-router v2.5.3
+  * vue-router v2.6.0
   * (c) 2017 Evan You
   * @license MIT
   */
@@ -47,7 +47,7 @@ var View = {
     // has been toggled inactive but kept-alive.
     var depth = 0;
     var inactive = false;
-    while (parent) {
+    while (parent && parent._routerRoot !== parent) {
       if (parent.$vnode && parent.$vnode.data.routerView) {
         depth++;
       }
@@ -198,7 +198,7 @@ function stringifyQuery (obj) {
 
     if (Array.isArray(val)) {
       var result = [];
-      val.slice().forEach(function (val2) {
+      val.forEach(function (val2) {
         if (val2 === undefined) {
           return
         }
@@ -302,7 +302,15 @@ function isObjectEqual (a, b) {
   if (aKeys.length !== bKeys.length) {
     return false
   }
-  return aKeys.every(function (key) { return String(a[key]) === String(b[key]); })
+  return aKeys.every(function (key) {
+    var aVal = a[key];
+    var bVal = b[key];
+    // check nested equality
+    if (typeof aVal === 'object' && typeof bVal === 'object') {
+      return isObjectEqual(aVal, bVal)
+    }
+    return String(aVal) === String(bVal)
+  })
 }
 
 function isIncludedRoute (current, target) {
@@ -433,7 +441,7 @@ var Link = {
 
 function guardEvent (e) {
   // don't redirect with control keys
-  if (e.metaKey || e.ctrlKey || e.shiftKey) { return }
+  if (e.metaKey || e.altKey || e.ctrlKey || e.shiftKey) { return }
   // don't redirect when preventDefault called
   if (e.defaultPrevented) { return }
   // don't redirect on right click
@@ -473,14 +481,6 @@ function install (Vue) {
 
   _Vue = Vue;
 
-  Object.defineProperty(Vue.prototype, '$router', {
-    get: function get () { return this.$root._router }
-  });
-
-  Object.defineProperty(Vue.prototype, '$route', {
-    get: function get () { return this.$root._route }
-  });
-
   var isDef = function (v) { return v !== undefined; };
 
   var registerInstance = function (vm, callVal) {
@@ -493,9 +493,12 @@ function install (Vue) {
   Vue.mixin({
     beforeCreate: function beforeCreate () {
       if (isDef(this.$options.router)) {
+        this._routerRoot = this;
         this._router = this.$options.router;
         this._router.init(this);
         Vue.util.defineReactive(this, '_route', this._router.history.current);
+      } else {
+        this._routerRoot = (this.$parent && this.$parent._routerRoot) || this;
       }
       registerInstance(this, this);
     },
@@ -504,6 +507,14 @@ function install (Vue) {
     }
   });
 
+  Object.defineProperty(Vue.prototype, '$router', {
+    get: function get () { return this._routerRoot._router }
+  });
+
+  Object.defineProperty(Vue.prototype, '$route', {
+    get: function get () { return this._routerRoot._route }
+  });
+
   Vue.component('router-view', View);
   Vue.component('router-link', Link);
 
@@ -1096,9 +1107,15 @@ function addRouteRecord (
   }
 
   var normalizedPath = normalizePath(path, parent);
+  var pathToRegexpOptions = route.pathToRegexpOptions || {};
+
+  if (typeof route.caseSensitive === 'boolean') {
+    pathToRegexpOptions.sensitive = route.caseSensitive;
+  }
+
   var record = {
     path: normalizedPath,
-    regex: compileRouteRegex(normalizedPath),
+    regex: compileRouteRegex(normalizedPath, pathToRegexpOptions),
     components: route.components || { default: route.component },
     instances: {},
     name: name,
@@ -1115,11 +1132,11 @@ function addRouteRecord (
   };
 
   if (route.children) {
-    // Warn if route is named and has a default child route.
+    // Warn if route is named, does not redirect and has a default child route.
     // If users navigate to this route by name, the default child will
     // not be rendered (GH Issue #629)
     if (process.env.NODE_ENV !== 'production') {
-      if (route.name && route.children.some(function (child) { return /^\/?$/.test(child.path); })) {
+      if (route.name && !route.redirect && route.children.some(function (child) { return /^\/?$/.test(child.path); })) {
         warn(
           false,
           "Named Route '" + (route.name) + "' has a default child route. " +
@@ -1139,21 +1156,24 @@ function addRouteRecord (
   }
 
   if (route.alias !== undefined) {
-    if (Array.isArray(route.alias)) {
-      route.alias.forEach(function (alias) {
-        var aliasRoute = {
-          path: alias,
-          children: route.children
-        };
-        addRouteRecord(pathList, pathMap, nameMap, aliasRoute, parent, record.path);
-      });
-    } else {
+    var aliases = Array.isArray(route.alias)
+      ? route.alias
+      : [route.alias];
+
+    aliases.forEach(function (alias) {
       var aliasRoute = {
-        path: route.alias,
+        path: alias,
         children: route.children
       };
-      addRouteRecord(pathList, pathMap, nameMap, aliasRoute, parent, record.path);
-    }
+      addRouteRecord(
+        pathList,
+        pathMap,
+        nameMap,
+        aliasRoute,
+        parent,
+        record.path || '/' // matchAs
+      );
+    });
   }
 
   if (!pathMap[record.path]) {
@@ -1174,8 +1194,8 @@ function addRouteRecord (
   }
 }
 
-function compileRouteRegex (path) {
-  var regex = index(path);
+function compileRouteRegex (path, pathToRegexpOptions) {
+  var regex = index(path, [], pathToRegexpOptions);
   if (process.env.NODE_ENV !== 'production') {
     var keys = {};
     regex.keys.forEach(function (key) {
@@ -1216,7 +1236,7 @@ function normalizeLocation (
     if (current.name) {
       next.name = current.name;
       next.params = params;
-    } else if (current.matched) {
+    } else if (current.matched.length) {
       var rawPath = current.matched[current.matched.length - 1].path;
       next.path = fillParams(rawPath, params, ("path " + (current.path)));
     } else if (process.env.NODE_ENV !== 'production') {
@@ -1286,6 +1306,7 @@ function createMatcher (
       if (process.env.NODE_ENV !== 'production') {
         warn(record, ("Route with name '" + name + "' does not exist"));
       }
+      if (!record) { return _createRoute(null, location) }
       var paramNames = record.regex.keys
         .filter(function (key) { return !key.optional; })
         .map(function (key) { return key.name; });
@@ -1496,7 +1517,9 @@ function handleScroll (
     if (isObject && typeof shouldScroll.selector === 'string') {
       var el = document.querySelector(shouldScroll.selector);
       if (el) {
-        position = getElementPosition(el);
+        var offset = shouldScroll.offset && typeof shouldScroll.offset === 'object' ? shouldScroll.offset : {};
+        offset = normalizeOffset(offset);
+        position = getElementPosition(el, offset);
       } else if (isValidPosition(shouldScroll)) {
         position = normalizePosition(shouldScroll);
       }
@@ -1527,13 +1550,13 @@ function getScrollPosition () {
   }
 }
 
-function getElementPosition (el) {
+function getElementPosition (el, offset) {
   var docEl = document.documentElement;
   var docRect = docEl.getBoundingClientRect();
   var elRect = el.getBoundingClientRect();
   return {
-    x: elRect.left - docRect.left,
-    y: elRect.top - docRect.top
+    x: elRect.left - docRect.left - offset.x,
+    y: elRect.top - docRect.top - offset.y
   }
 }
 
@@ -1548,6 +1571,13 @@ function normalizePosition (obj) {
   }
 }
 
+function normalizeOffset (obj) {
+  return {
+    x: isNumber(obj.x) ? obj.x : 0,
+    y: isNumber(obj.y) ? obj.y : 0
+  }
+}
+
 function isNumber (v) {
   return typeof v === 'number'
 }
@@ -1800,6 +1830,8 @@ function normalizeBase (base) {
       // respect <base> tag
       var baseEl = document.querySelector('base');
       base = (baseEl && baseEl.getAttribute('href')) || '/';
+      // strip full URL origin
+      base = base.replace(/^https?:\/\/[^\/]+/, '');
     } else {
       base = '/';
     }
@@ -2010,9 +2042,12 @@ function flatten (arr) {
 function once (fn) {
   var called = false;
   return function () {
+    var args = [], len = arguments.length;
+    while ( len-- ) args[ len ] = arguments[ len ];
+
     if (called) { return }
     called = true;
-    return fn.apply(this, arguments)
+    return fn.apply(this, args)
   }
 }
 
@@ -2036,9 +2071,10 @@ var HTML5History = (function (History$$1) {
     }
 
     window.addEventListener('popstate', function (e) {
+      var current = this$1.current;
       this$1.transitionTo(getLocation(this$1.base), function (route) {
         if (expectScroll) {
-          handleScroll(router, route, this$1.current, true);
+          handleScroll(router, route, current, true);
         }
       });
     });
@@ -2194,10 +2230,10 @@ function pushHash (path) {
 }
 
 function replaceHash (path) {
-  var i = window.location.href.indexOf('#');
-  window.location.replace(
-    window.location.href.slice(0, i >= 0 ? i : 0) + '#' + path
-  );
+  var href = window.location.href;
+  var i = href.indexOf('#');
+  var base = i >= 0 ? href.slice(0, i) : href;
+  window.location.replace((base + "#" + path));
 }
 
 /*  */
@@ -2273,7 +2309,7 @@ var VueRouter = function VueRouter (options) {
   this.matcher = createMatcher(options.routes || [], this);
 
   var mode = options.mode || 'hash';
-  this.fallback = mode === 'history' && !supportsPushState;
+  this.fallback = mode === 'history' && !supportsPushState && options.fallback !== false;
   if (this.fallback) {
     mode = 'hash';
   }
@@ -2457,7 +2493,7 @@ function createHref (base, fullPath, mode) {
 }
 
 VueRouter.install = install;
-VueRouter.version = '2.5.3';
+VueRouter.version = '2.6.0';
 
 if (inBrowser && window.Vue) {
   window.Vue.use(VueRouter);
diff --git a/dist/vue-router.esm.js b/dist/vue-router.esm.js
index f8ef33f15..a97f1d7bd 100644
--- a/dist/vue-router.esm.js
+++ b/dist/vue-router.esm.js
@@ -1,5 +1,5 @@
 /**
-  * vue-router v2.5.3
+  * vue-router v2.6.0
   * (c) 2017 Evan You
   * @license MIT
   */
@@ -45,7 +45,7 @@ var View = {
     // has been toggled inactive but kept-alive.
     var depth = 0;
     var inactive = false;
-    while (parent) {
+    while (parent && parent._routerRoot !== parent) {
       if (parent.$vnode && parent.$vnode.data.routerView) {
         depth++;
       }
@@ -196,7 +196,7 @@ function stringifyQuery (obj) {
 
     if (Array.isArray(val)) {
       var result = [];
-      val.slice().forEach(function (val2) {
+      val.forEach(function (val2) {
         if (val2 === undefined) {
           return
         }
@@ -300,7 +300,15 @@ function isObjectEqual (a, b) {
   if (aKeys.length !== bKeys.length) {
     return false
   }
-  return aKeys.every(function (key) { return String(a[key]) === String(b[key]); })
+  return aKeys.every(function (key) {
+    var aVal = a[key];
+    var bVal = b[key];
+    // check nested equality
+    if (typeof aVal === 'object' && typeof bVal === 'object') {
+      return isObjectEqual(aVal, bVal)
+    }
+    return String(aVal) === String(bVal)
+  })
 }
 
 function isIncludedRoute (current, target) {
@@ -431,7 +439,7 @@ var Link = {
 
 function guardEvent (e) {
   // don't redirect with control keys
-  if (e.metaKey || e.ctrlKey || e.shiftKey) { return }
+  if (e.metaKey || e.altKey || e.ctrlKey || e.shiftKey) { return }
   // don't redirect when preventDefault called
   if (e.defaultPrevented) { return }
   // don't redirect on right click
@@ -471,14 +479,6 @@ function install (Vue) {
 
   _Vue = Vue;
 
-  Object.defineProperty(Vue.prototype, '$router', {
-    get: function get () { return this.$root._router }
-  });
-
-  Object.defineProperty(Vue.prototype, '$route', {
-    get: function get () { return this.$root._route }
-  });
-
   var isDef = function (v) { return v !== undefined; };
 
   var registerInstance = function (vm, callVal) {
@@ -491,9 +491,12 @@ function install (Vue) {
   Vue.mixin({
     beforeCreate: function beforeCreate () {
       if (isDef(this.$options.router)) {
+        this._routerRoot = this;
         this._router = this.$options.router;
         this._router.init(this);
         Vue.util.defineReactive(this, '_route', this._router.history.current);
+      } else {
+        this._routerRoot = (this.$parent && this.$parent._routerRoot) || this;
       }
       registerInstance(this, this);
     },
@@ -502,6 +505,14 @@ function install (Vue) {
     }
   });
 
+  Object.defineProperty(Vue.prototype, '$router', {
+    get: function get () { return this._routerRoot._router }
+  });
+
+  Object.defineProperty(Vue.prototype, '$route', {
+    get: function get () { return this._routerRoot._route }
+  });
+
   Vue.component('router-view', View);
   Vue.component('router-link', Link);
 
@@ -1094,9 +1105,15 @@ function addRouteRecord (
   }
 
   var normalizedPath = normalizePath(path, parent);
+  var pathToRegexpOptions = route.pathToRegexpOptions || {};
+
+  if (typeof route.caseSensitive === 'boolean') {
+    pathToRegexpOptions.sensitive = route.caseSensitive;
+  }
+
   var record = {
     path: normalizedPath,
-    regex: compileRouteRegex(normalizedPath),
+    regex: compileRouteRegex(normalizedPath, pathToRegexpOptions),
     components: route.components || { default: route.component },
     instances: {},
     name: name,
@@ -1113,11 +1130,11 @@ function addRouteRecord (
   };
 
   if (route.children) {
-    // Warn if route is named and has a default child route.
+    // Warn if route is named, does not redirect and has a default child route.
     // If users navigate to this route by name, the default child will
     // not be rendered (GH Issue #629)
     if (process.env.NODE_ENV !== 'production') {
-      if (route.name && route.children.some(function (child) { return /^\/?$/.test(child.path); })) {
+      if (route.name && !route.redirect && route.children.some(function (child) { return /^\/?$/.test(child.path); })) {
         warn(
           false,
           "Named Route '" + (route.name) + "' has a default child route. " +
@@ -1137,21 +1154,24 @@ function addRouteRecord (
   }
 
   if (route.alias !== undefined) {
-    if (Array.isArray(route.alias)) {
-      route.alias.forEach(function (alias) {
-        var aliasRoute = {
-          path: alias,
-          children: route.children
-        };
-        addRouteRecord(pathList, pathMap, nameMap, aliasRoute, parent, record.path);
-      });
-    } else {
+    var aliases = Array.isArray(route.alias)
+      ? route.alias
+      : [route.alias];
+
+    aliases.forEach(function (alias) {
       var aliasRoute = {
-        path: route.alias,
+        path: alias,
         children: route.children
       };
-      addRouteRecord(pathList, pathMap, nameMap, aliasRoute, parent, record.path);
-    }
+      addRouteRecord(
+        pathList,
+        pathMap,
+        nameMap,
+        aliasRoute,
+        parent,
+        record.path || '/' // matchAs
+      );
+    });
   }
 
   if (!pathMap[record.path]) {
@@ -1172,8 +1192,8 @@ function addRouteRecord (
   }
 }
 
-function compileRouteRegex (path) {
-  var regex = index(path);
+function compileRouteRegex (path, pathToRegexpOptions) {
+  var regex = index(path, [], pathToRegexpOptions);
   if (process.env.NODE_ENV !== 'production') {
     var keys = {};
     regex.keys.forEach(function (key) {
@@ -1214,7 +1234,7 @@ function normalizeLocation (
     if (current.name) {
       next.name = current.name;
       next.params = params;
-    } else if (current.matched) {
+    } else if (current.matched.length) {
       var rawPath = current.matched[current.matched.length - 1].path;
       next.path = fillParams(rawPath, params, ("path " + (current.path)));
     } else if (process.env.NODE_ENV !== 'production') {
@@ -1284,6 +1304,7 @@ function createMatcher (
       if (process.env.NODE_ENV !== 'production') {
         warn(record, ("Route with name '" + name + "' does not exist"));
       }
+      if (!record) { return _createRoute(null, location) }
       var paramNames = record.regex.keys
         .filter(function (key) { return !key.optional; })
         .map(function (key) { return key.name; });
@@ -1494,7 +1515,9 @@ function handleScroll (
     if (isObject && typeof shouldScroll.selector === 'string') {
       var el = document.querySelector(shouldScroll.selector);
       if (el) {
-        position = getElementPosition(el);
+        var offset = shouldScroll.offset && typeof shouldScroll.offset === 'object' ? shouldScroll.offset : {};
+        offset = normalizeOffset(offset);
+        position = getElementPosition(el, offset);
       } else if (isValidPosition(shouldScroll)) {
         position = normalizePosition(shouldScroll);
       }
@@ -1525,13 +1548,13 @@ function getScrollPosition () {
   }
 }
 
-function getElementPosition (el) {
+function getElementPosition (el, offset) {
   var docEl = document.documentElement;
   var docRect = docEl.getBoundingClientRect();
   var elRect = el.getBoundingClientRect();
   return {
-    x: elRect.left - docRect.left,
-    y: elRect.top - docRect.top
+    x: elRect.left - docRect.left - offset.x,
+    y: elRect.top - docRect.top - offset.y
   }
 }
 
@@ -1546,6 +1569,13 @@ function normalizePosition (obj) {
   }
 }
 
+function normalizeOffset (obj) {
+  return {
+    x: isNumber(obj.x) ? obj.x : 0,
+    y: isNumber(obj.y) ? obj.y : 0
+  }
+}
+
 function isNumber (v) {
   return typeof v === 'number'
 }
@@ -1798,6 +1828,8 @@ function normalizeBase (base) {
       // respect <base> tag
       var baseEl = document.querySelector('base');
       base = (baseEl && baseEl.getAttribute('href')) || '/';
+      // strip full URL origin
+      base = base.replace(/^https?:\/\/[^\/]+/, '');
     } else {
       base = '/';
     }
@@ -2008,9 +2040,12 @@ function flatten (arr) {
 function once (fn) {
   var called = false;
   return function () {
+    var args = [], len = arguments.length;
+    while ( len-- ) args[ len ] = arguments[ len ];
+
     if (called) { return }
     called = true;
-    return fn.apply(this, arguments)
+    return fn.apply(this, args)
   }
 }
 
@@ -2034,9 +2069,10 @@ var HTML5History = (function (History$$1) {
     }
 
     window.addEventListener('popstate', function (e) {
+      var current = this$1.current;
       this$1.transitionTo(getLocation(this$1.base), function (route) {
         if (expectScroll) {
-          handleScroll(router, route, this$1.current, true);
+          handleScroll(router, route, current, true);
         }
       });
     });
@@ -2192,10 +2228,10 @@ function pushHash (path) {
 }
 
 function replaceHash (path) {
-  var i = window.location.href.indexOf('#');
-  window.location.replace(
-    window.location.href.slice(0, i >= 0 ? i : 0) + '#' + path
-  );
+  var href = window.location.href;
+  var i = href.indexOf('#');
+  var base = i >= 0 ? href.slice(0, i) : href;
+  window.location.replace((base + "#" + path));
 }
 
 /*  */
@@ -2271,7 +2307,7 @@ var VueRouter = function VueRouter (options) {
   this.matcher = createMatcher(options.routes || [], this);
 
   var mode = options.mode || 'hash';
-  this.fallback = mode === 'history' && !supportsPushState;
+  this.fallback = mode === 'history' && !supportsPushState && options.fallback !== false;
   if (this.fallback) {
     mode = 'hash';
   }
@@ -2455,7 +2491,7 @@ function createHref (base, fullPath, mode) {
 }
 
 VueRouter.install = install;
-VueRouter.version = '2.5.3';
+VueRouter.version = '2.6.0';
 
 if (inBrowser && window.Vue) {
   window.Vue.use(VueRouter);
diff --git a/dist/vue-router.js b/dist/vue-router.js
index 0f1a1501b..a3a2dd73b 100644
--- a/dist/vue-router.js
+++ b/dist/vue-router.js
@@ -1,5 +1,5 @@
 /**
-  * vue-router v2.5.3
+  * vue-router v2.6.0
   * (c) 2017 Evan You
   * @license MIT
   */
@@ -51,7 +51,7 @@ var View = {
     // has been toggled inactive but kept-alive.
     var depth = 0;
     var inactive = false;
-    while (parent) {
+    while (parent && parent._routerRoot !== parent) {
       if (parent.$vnode && parent.$vnode.data.routerView) {
         depth++;
       }
@@ -202,7 +202,7 @@ function stringifyQuery (obj) {
 
     if (Array.isArray(val)) {
       var result = [];
-      val.slice().forEach(function (val2) {
+      val.forEach(function (val2) {
         if (val2 === undefined) {
           return
         }
@@ -306,7 +306,15 @@ function isObjectEqual (a, b) {
   if (aKeys.length !== bKeys.length) {
     return false
   }
-  return aKeys.every(function (key) { return String(a[key]) === String(b[key]); })
+  return aKeys.every(function (key) {
+    var aVal = a[key];
+    var bVal = b[key];
+    // check nested equality
+    if (typeof aVal === 'object' && typeof bVal === 'object') {
+      return isObjectEqual(aVal, bVal)
+    }
+    return String(aVal) === String(bVal)
+  })
 }
 
 function isIncludedRoute (current, target) {
@@ -437,7 +445,7 @@ var Link = {
 
 function guardEvent (e) {
   // don't redirect with control keys
-  if (e.metaKey || e.ctrlKey || e.shiftKey) { return }
+  if (e.metaKey || e.altKey || e.ctrlKey || e.shiftKey) { return }
   // don't redirect when preventDefault called
   if (e.defaultPrevented) { return }
   // don't redirect on right click
@@ -477,14 +485,6 @@ function install (Vue) {
 
   _Vue = Vue;
 
-  Object.defineProperty(Vue.prototype, '$router', {
-    get: function get () { return this.$root._router }
-  });
-
-  Object.defineProperty(Vue.prototype, '$route', {
-    get: function get () { return this.$root._route }
-  });
-
   var isDef = function (v) { return v !== undefined; };
 
   var registerInstance = function (vm, callVal) {
@@ -497,9 +497,12 @@ function install (Vue) {
   Vue.mixin({
     beforeCreate: function beforeCreate () {
       if (isDef(this.$options.router)) {
+        this._routerRoot = this;
         this._router = this.$options.router;
         this._router.init(this);
         Vue.util.defineReactive(this, '_route', this._router.history.current);
+      } else {
+        this._routerRoot = (this.$parent && this.$parent._routerRoot) || this;
       }
       registerInstance(this, this);
     },
@@ -508,6 +511,14 @@ function install (Vue) {
     }
   });
 
+  Object.defineProperty(Vue.prototype, '$router', {
+    get: function get () { return this._routerRoot._router }
+  });
+
+  Object.defineProperty(Vue.prototype, '$route', {
+    get: function get () { return this._routerRoot._route }
+  });
+
   Vue.component('router-view', View);
   Vue.component('router-link', Link);
 
@@ -1100,9 +1111,15 @@ function addRouteRecord (
   }
 
   var normalizedPath = normalizePath(path, parent);
+  var pathToRegexpOptions = route.pathToRegexpOptions || {};
+
+  if (typeof route.caseSensitive === 'boolean') {
+    pathToRegexpOptions.sensitive = route.caseSensitive;
+  }
+
   var record = {
     path: normalizedPath,
-    regex: compileRouteRegex(normalizedPath),
+    regex: compileRouteRegex(normalizedPath, pathToRegexpOptions),
     components: route.components || { default: route.component },
     instances: {},
     name: name,
@@ -1119,11 +1136,11 @@ function addRouteRecord (
   };
 
   if (route.children) {
-    // Warn if route is named and has a default child route.
+    // Warn if route is named, does not redirect and has a default child route.
     // If users navigate to this route by name, the default child will
     // not be rendered (GH Issue #629)
     {
-      if (route.name && route.children.some(function (child) { return /^\/?$/.test(child.path); })) {
+      if (route.name && !route.redirect && route.children.some(function (child) { return /^\/?$/.test(child.path); })) {
         warn(
           false,
           "Named Route '" + (route.name) + "' has a default child route. " +
@@ -1143,21 +1160,24 @@ function addRouteRecord (
   }
 
   if (route.alias !== undefined) {
-    if (Array.isArray(route.alias)) {
-      route.alias.forEach(function (alias) {
-        var aliasRoute = {
-          path: alias,
-          children: route.children
-        };
-        addRouteRecord(pathList, pathMap, nameMap, aliasRoute, parent, record.path);
-      });
-    } else {
+    var aliases = Array.isArray(route.alias)
+      ? route.alias
+      : [route.alias];
+
+    aliases.forEach(function (alias) {
       var aliasRoute = {
-        path: route.alias,
+        path: alias,
         children: route.children
       };
-      addRouteRecord(pathList, pathMap, nameMap, aliasRoute, parent, record.path);
-    }
+      addRouteRecord(
+        pathList,
+        pathMap,
+        nameMap,
+        aliasRoute,
+        parent,
+        record.path || '/' // matchAs
+      );
+    });
   }
 
   if (!pathMap[record.path]) {
@@ -1178,8 +1198,8 @@ function addRouteRecord (
   }
 }
 
-function compileRouteRegex (path) {
-  var regex = index(path);
+function compileRouteRegex (path, pathToRegexpOptions) {
+  var regex = index(path, [], pathToRegexpOptions);
   {
     var keys = {};
     regex.keys.forEach(function (key) {
@@ -1220,7 +1240,7 @@ function normalizeLocation (
     if (current.name) {
       next.name = current.name;
       next.params = params;
-    } else if (current.matched) {
+    } else if (current.matched.length) {
       var rawPath = current.matched[current.matched.length - 1].path;
       next.path = fillParams(rawPath, params, ("path " + (current.path)));
     } else {
@@ -1290,6 +1310,7 @@ function createMatcher (
       {
         warn(record, ("Route with name '" + name + "' does not exist"));
       }
+      if (!record) { return _createRoute(null, location) }
       var paramNames = record.regex.keys
         .filter(function (key) { return !key.optional; })
         .map(function (key) { return key.name; });
@@ -1500,7 +1521,9 @@ function handleScroll (
     if (isObject && typeof shouldScroll.selector === 'string') {
       var el = document.querySelector(shouldScroll.selector);
       if (el) {
-        position = getElementPosition(el);
+        var offset = shouldScroll.offset && typeof shouldScroll.offset === 'object' ? shouldScroll.offset : {};
+        offset = normalizeOffset(offset);
+        position = getElementPosition(el, offset);
       } else if (isValidPosition(shouldScroll)) {
         position = normalizePosition(shouldScroll);
       }
@@ -1531,13 +1554,13 @@ function getScrollPosition () {
   }
 }
 
-function getElementPosition (el) {
+function getElementPosition (el, offset) {
   var docEl = document.documentElement;
   var docRect = docEl.getBoundingClientRect();
   var elRect = el.getBoundingClientRect();
   return {
-    x: elRect.left - docRect.left,
-    y: elRect.top - docRect.top
+    x: elRect.left - docRect.left - offset.x,
+    y: elRect.top - docRect.top - offset.y
   }
 }
 
@@ -1552,6 +1575,13 @@ function normalizePosition (obj) {
   }
 }
 
+function normalizeOffset (obj) {
+  return {
+    x: isNumber(obj.x) ? obj.x : 0,
+    y: isNumber(obj.y) ? obj.y : 0
+  }
+}
+
 function isNumber (v) {
   return typeof v === 'number'
 }
@@ -1804,6 +1834,8 @@ function normalizeBase (base) {
       // respect <base> tag
       var baseEl = document.querySelector('base');
       base = (baseEl && baseEl.getAttribute('href')) || '/';
+      // strip full URL origin
+      base = base.replace(/^https?:\/\/[^\/]+/, '');
     } else {
       base = '/';
     }
@@ -2014,9 +2046,12 @@ function flatten (arr) {
 function once (fn) {
   var called = false;
   return function () {
+    var args = [], len = arguments.length;
+    while ( len-- ) args[ len ] = arguments[ len ];
+
     if (called) { return }
     called = true;
-    return fn.apply(this, arguments)
+    return fn.apply(this, args)
   }
 }
 
@@ -2040,9 +2075,10 @@ var HTML5History = (function (History$$1) {
     }
 
     window.addEventListener('popstate', function (e) {
+      var current = this$1.current;
       this$1.transitionTo(getLocation(this$1.base), function (route) {
         if (expectScroll) {
-          handleScroll(router, route, this$1.current, true);
+          handleScroll(router, route, current, true);
         }
       });
     });
@@ -2198,10 +2234,10 @@ function pushHash (path) {
 }
 
 function replaceHash (path) {
-  var i = window.location.href.indexOf('#');
-  window.location.replace(
-    window.location.href.slice(0, i >= 0 ? i : 0) + '#' + path
-  );
+  var href = window.location.href;
+  var i = href.indexOf('#');
+  var base = i >= 0 ? href.slice(0, i) : href;
+  window.location.replace((base + "#" + path));
 }
 
 /*  */
@@ -2277,7 +2313,7 @@ var VueRouter = function VueRouter (options) {
   this.matcher = createMatcher(options.routes || [], this);
 
   var mode = options.mode || 'hash';
-  this.fallback = mode === 'history' && !supportsPushState;
+  this.fallback = mode === 'history' && !supportsPushState && options.fallback !== false;
   if (this.fallback) {
     mode = 'hash';
   }
@@ -2461,7 +2497,7 @@ function createHref (base, fullPath, mode) {
 }
 
 VueRouter.install = install;
-VueRouter.version = '2.5.3';
+VueRouter.version = '2.6.0';
 
 if (inBrowser && window.Vue) {
   window.Vue.use(VueRouter);
diff --git a/dist/vue-router.min.js b/dist/vue-router.min.js
index 27bf34aab..4c11bb885 100644
--- a/dist/vue-router.min.js
+++ b/dist/vue-router.min.js
@@ -1,6 +1,6 @@
 /**
-  * vue-router v2.5.3
+  * vue-router v2.6.0
   * (c) 2017 Evan You
   * @license MIT
   */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.VueRouter=e()}(this,function(){"use strict";function t(t,e){}function e(t,e){switch(typeof e){case"undefined":return;case"object":return e;case"function":return e(t);case"boolean":return e?t.params:void 0}}function n(t,e,n){void 0===e&&(e={});var o,i=n||r;try{o=i(t||"")}catch(t){o={}}for(var a in e){var u=e[a];o[a]=Array.isArray(u)?u.slice():u}return o}function r(t){var e={};return(t=t.trim().replace(/^(\?|#|&)/,""))?(t.split("&").forEach(function(t){var n=t.replace(/\+/g," ").split("="),r=$t(n.shift()),o=n.length>0?$t(n.join("=")):null;void 0===e[r]?e[r]=o:Array.isArray(e[r])?e[r].push(o):e[r]=[e[r],o]}),e):e}function o(t){var e=t?Object.keys(t).map(function(e){var n=t[e];if(void 0===n)return"";if(null===n)return _t(e);if(Array.isArray(n)){var r=[];return n.slice().forEach(function(t){void 0!==t&&(null===t?r.push(_t(e)):r.push(_t(e)+"="+_t(t)))}),r.join("&")}return _t(e)+"="+_t(n)}).filter(function(t){return t.length>0}).join("&"):null;return e?"?"+e:""}function i(t,e,n,r){var o=r&&r.options.stringifyQuery,i={name:e.name||t&&t.name,meta:t&&t.meta||{},path:e.path||"/",hash:e.hash||"",query:e.query||{},params:e.params||{},fullPath:u(e,o),matched:t?a(t):[]};return n&&(i.redirectedFrom=u(n,o)),Object.freeze(i)}function a(t){for(var e=[];t;)e.unshift(t),t=t.parent;return e}function u(t,e){var n=t.path,r=t.query;void 0===r&&(r={});var i=t.hash;void 0===i&&(i="");var a=e||o;return(n||"/")+a(r)+i}function c(t,e){return e===qt?t===e:!!e&&(t.path&&e.path?t.path.replace(St,"")===e.path.replace(St,"")&&t.hash===e.hash&&s(t.query,e.query):!(!t.name||!e.name)&&(t.name===e.name&&t.hash===e.hash&&s(t.query,e.query)&&s(t.params,e.params)))}function s(t,e){void 0===t&&(t={}),void 0===e&&(e={});var n=Object.keys(t),r=Object.keys(e);return n.length===r.length&&n.every(function(n){return String(t[n])===String(e[n])})}function p(t,e){return 0===t.path.replace(St,"/").indexOf(e.path.replace(St,"/"))&&(!e.hash||t.hash===e.hash)&&f(t.query,e.query)}function f(t,e){for(var n in e)if(!(n in t))return!1;return!0}function h(t){if(!(t.metaKey||t.ctrlKey||t.shiftKey||t.defaultPrevented||void 0!==t.button&&0!==t.button)){if(t.currentTarget&&t.currentTarget.getAttribute){var e=t.currentTarget.getAttribute("target");if(/\b_blank\b/i.test(e))return}return t.preventDefault&&t.preventDefault(),!0}}function l(t){if(t)for(var e,n=0;n<t.length;n++){if(e=t[n],"a"===e.tag)return e;if(e.children&&(e=l(e.children)))return e}}function d(t){if(!d.installed){d.installed=!0,Rt=t,Object.defineProperty(t.prototype,"$router",{get:function(){return this.$root._router}}),Object.defineProperty(t.prototype,"$route",{get:function(){return this.$root._route}});var e=function(t){return void 0!==t},n=function(t,n){var r=t.$options._parentVnode;e(r)&&e(r=r.data)&&e(r=r.registerRouteInstance)&&r(t,n)};t.mixin({beforeCreate:function(){e(this.$options.router)&&(this._router=this.$options.router,this._router.init(this),t.util.defineReactive(this,"_route",this._router.history.current)),n(this,this)},destroyed:function(){n(this)}}),t.component("router-view",Ct),t.component("router-link",Ut);var r=t.config.optionMergeStrategies;r.beforeRouteEnter=r.beforeRouteLeave=r.created}}function y(t,e,n){var r=t.charAt(0);if("/"===r)return t;if("?"===r||"#"===r)return e+t;var o=e.split("/");n&&o[o.length-1]||o.pop();for(var i=t.replace(/^\//,"").split("/"),a=0;a<i.length;a++){var u=i[a];".."===u?o.pop():"."!==u&&o.push(u)}return""!==o[0]&&o.unshift(""),o.join("/")}function v(t){var e="",n="",r=t.indexOf("#");r>=0&&(e=t.slice(r),t=t.slice(0,r));var o=t.indexOf("?");return o>=0&&(n=t.slice(o+1),t=t.slice(0,o)),{path:t,query:n,hash:e}}function m(t){return t.replace(/\/\//g,"/")}function g(t,e){for(var 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\ No newline at end of file