build: build 2.6.10

dist/vue.common.dev.js

@@ -1,5 +1,5 @@
 /*!
- * Vue.js v2.6.9
+ * Vue.js v2.6.10
  * (c) 2014-2019 Evan You
  * Released under the MIT License.
  */
@@ -2544,8 +2544,8 @@ function normalizeScopedSlots (
   prevSlots
 ) {
   var res;
-  var isStable = slots ? !!slots.$stable : true;
   var hasNormalSlots = Object.keys(normalSlots).length > 0;
+  var isStable = slots ? !!slots.$stable : !hasNormalSlots;
   var key = slots && slots.$key;
   if (!slots) {
     res = {};
@@ -3629,7 +3629,9 @@ function resolveAsyncComponent (
 
   if (owner && !isDef(factory.owners)) {
     var owners = factory.owners = [owner];
-    var sync = true
+    var sync = true;
+    var timerLoading = null;
+    var timerTimeout = null
 
     ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });
 
@@ -3640,6 +3642,14 @@ function resolveAsyncComponent (
 
       if (renderCompleted) {
         owners.length = 0;
+        if (timerLoading !== null) {
+          clearTimeout(timerLoading);
+          timerLoading = null;
+        }
+        if (timerTimeout !== null) {
+          clearTimeout(timerTimeout);
+          timerTimeout = null;
+        }
       }
     };
 
@@ -3686,7 +3696,8 @@ function resolveAsyncComponent (
           if (res.delay === 0) {
             factory.loading = true;
           } else {
-            setTimeout(function () {
+            timerLoading = setTimeout(function () {
+              timerLoading = null;
               if (isUndef(factory.resolved) && isUndef(factory.error)) {
                 factory.loading = true;
                 forceRender(false);
@@ -3696,7 +3707,8 @@ function resolveAsyncComponent (
         }
 
         if (isDef(res.timeout)) {
-          setTimeout(function () {
+          timerTimeout = setTimeout(function () {
+            timerTimeout = null;
             if (isUndef(factory.resolved)) {
               reject(
                 "timeout (" + (res.timeout) + "ms)"
@@ -4242,16 +4254,21 @@ var getNow = Date.now;
 // timestamp can either be hi-res (relative to page load) or low-res
 // (relative to UNIX epoch), so in order to compare time we have to use the
 // same timestamp type when saving the flush timestamp.
-if (
-  inBrowser &&
-  window.performance &&
-  typeof performance.now === 'function' &&
-  document.createEvent('Event').timeStamp <= performance.now()
-) {
-  // if the event timestamp is bigger than the hi-res timestamp
-  // (which is evaluated AFTER) it means the event is using a lo-res timestamp,
-  // and we need to use the lo-res version for event listeners as well.
-  getNow = function () { return performance.now(); };
+// All IE versions use low-res event timestamps, and have problematic clock
+// implementations (#9632)
+if (inBrowser && !isIE) {
+  var performance = window.performance;
+  if (
+    performance &&
+    typeof performance.now === 'function' &&
+    getNow() > document.createEvent('Event').timeStamp
+  ) {
+    // if the event timestamp, although evaluated AFTER the Date.now(), is
+    // smaller than it, it means the event is using a hi-res timestamp,
+    // and we need to use the hi-res version for event listener timestamps as
+    // well.
+    getNow = function () { return performance.now(); };
+  }
 }
 
 /**
@@ -5416,7 +5433,7 @@ Object.defineProperty(Vue, 'FunctionalRenderContext', {
   value: FunctionalRenderContext
 });
 
-Vue.version = '2.6.9';
+Vue.version = '2.6.10';
 
 /*  */
 
@@ -7578,10 +7595,11 @@ function updateDOMProps (oldVnode, vnode) {
   }
 
   for (key in oldProps) {
-    if (isUndef(props[key])) {
+    if (!(key in props)) {
       elm[key] = '';
     }
   }
+
   for (key in props) {
     cur = props[key];
     // ignore children if the node has textContent or innerHTML,
@@ -10698,7 +10716,7 @@ function isDirectChildOfTemplateFor (node) {
 
 /*  */
 
-var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
+var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*(?:[\w$]+)?\s*\(/;
 var fnInvokeRE = /\([^)]*?\);*$/;
 var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
 

dist/vue.esm.browser.js

@@ -1,5 +1,5 @@
 /*!
- * Vue.js v2.6.9
+ * Vue.js v2.6.10
  * (c) 2014-2019 Evan You
  * Released under the MIT License.
  */
@@ -2572,8 +2572,8 @@ function normalizeScopedSlots (
   prevSlots
 ) {
   let res;
-  const isStable = slots ? !!slots.$stable : true;
   const hasNormalSlots = Object.keys(normalSlots).length > 0;
+  const isStable = slots ? !!slots.$stable : !hasNormalSlots;
   const key = slots && slots.$key;
   if (!slots) {
     res = {};
@@ -3650,7 +3650,9 @@ function resolveAsyncComponent (
 
   if (owner && !isDef(factory.owners)) {
     const owners = factory.owners = [owner];
-    let sync = true
+    let sync = true;
+    let timerLoading = null;
+    let timerTimeout = null
 
     ;(owner).$on('hook:destroyed', () => remove(owners, owner));
 
@@ -3661,6 +3663,14 @@ function resolveAsyncComponent (
 
       if (renderCompleted) {
         owners.length = 0;
+        if (timerLoading !== null) {
+          clearTimeout(timerLoading);
+          timerLoading = null;
+        }
+        if (timerTimeout !== null) {
+          clearTimeout(timerTimeout);
+          timerTimeout = null;
+        }
       }
     };
 
@@ -3707,7 +3717,8 @@ function resolveAsyncComponent (
           if (res.delay === 0) {
             factory.loading = true;
           } else {
-            setTimeout(() => {
+            timerLoading = setTimeout(() => {
+              timerLoading = null;
               if (isUndef(factory.resolved) && isUndef(factory.error)) {
                 factory.loading = true;
                 forceRender(false);
@@ -3717,7 +3728,8 @@ function resolveAsyncComponent (
         }
 
         if (isDef(res.timeout)) {
-          setTimeout(() => {
+          timerTimeout = setTimeout(() => {
+            timerTimeout = null;
             if (isUndef(factory.resolved)) {
               reject(
                 `timeout (${res.timeout}ms)`
@@ -4263,16 +4275,21 @@ let getNow = Date.now;
 // timestamp can either be hi-res (relative to page load) or low-res
 // (relative to UNIX epoch), so in order to compare time we have to use the
 // same timestamp type when saving the flush timestamp.
-if (
-  inBrowser &&
-  window.performance &&
-  typeof performance.now === 'function' &&
-  document.createEvent('Event').timeStamp <= performance.now()
-) {
-  // if the event timestamp is bigger than the hi-res timestamp
-  // (which is evaluated AFTER) it means the event is using a lo-res timestamp,
-  // and we need to use the lo-res version for event listeners as well.
-  getNow = () => performance.now();
+// All IE versions use low-res event timestamps, and have problematic clock
+// implementations (#9632)
+if (inBrowser && !isIE) {
+  const performance = window.performance;
+  if (
+    performance &&
+    typeof performance.now === 'function' &&
+    getNow() > document.createEvent('Event').timeStamp
+  ) {
+    // if the event timestamp, although evaluated AFTER the Date.now(), is
+    // smaller than it, it means the event is using a hi-res timestamp,
+    // and we need to use the hi-res version for event listener timestamps as
+    // well.
+    getNow = () => performance.now();
+  }
 }
 
 /**
@@ -5447,7 +5464,7 @@ Object.defineProperty(Vue, 'FunctionalRenderContext', {
   value: FunctionalRenderContext
 });
 
-Vue.version = '2.6.9';
+Vue.version = '2.6.10';
 
 /*  */
 
@@ -7601,10 +7618,11 @@ function updateDOMProps (oldVnode, vnode) {
   }
 
   for (key in oldProps) {
-    if (isUndef(props[key])) {
+    if (!(key in props)) {
       elm[key] = '';
     }
   }
+
   for (key in props) {
     cur = props[key];
     // ignore children if the node has textContent or innerHTML,
@@ -10711,7 +10729,7 @@ function isDirectChildOfTemplateFor (node) {
 
 /*  */
 
-const fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
+const fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*(?:[\w$]+)?\s*\(/;
 const fnInvokeRE = /\([^)]*?\);*$/;
 const simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
 

dist/vue.esm.js

@@ -1,5 +1,5 @@
 /*!
- * Vue.js v2.6.9
+ * Vue.js v2.6.10
  * (c) 2014-2019 Evan You
  * Released under the MIT License.
  */
@@ -2550,8 +2550,8 @@ function normalizeScopedSlots (
   prevSlots
 ) {
   var res;
-  var isStable = slots ? !!slots.$stable : true;
   var hasNormalSlots = Object.keys(normalSlots).length > 0;
+  var isStable = slots ? !!slots.$stable : !hasNormalSlots;
   var key = slots && slots.$key;
   if (!slots) {
     res = {};
@@ -3639,7 +3639,9 @@ function resolveAsyncComponent (
 
   if (owner && !isDef(factory.owners)) {
     var owners = factory.owners = [owner];
-    var sync = true
+    var sync = true;
+    var timerLoading = null;
+    var timerTimeout = null
 
     ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });
 
@@ -3650,6 +3652,14 @@ function resolveAsyncComponent (
 
       if (renderCompleted) {
         owners.length = 0;
+        if (timerLoading !== null) {
+          clearTimeout(timerLoading);
+          timerLoading = null;
+        }
+        if (timerTimeout !== null) {
+          clearTimeout(timerTimeout);
+          timerTimeout = null;
+        }
       }
     };
 
@@ -3696,7 +3706,8 @@ function resolveAsyncComponent (
           if (res.delay === 0) {
             factory.loading = true;
           } else {
-            setTimeout(function () {
+            timerLoading = setTimeout(function () {
+              timerLoading = null;
               if (isUndef(factory.resolved) && isUndef(factory.error)) {
                 factory.loading = true;
                 forceRender(false);
@@ -3706,7 +3717,8 @@ function resolveAsyncComponent (
         }
 
         if (isDef(res.timeout)) {
-          setTimeout(function () {
+          timerTimeout = setTimeout(function () {
+            timerTimeout = null;
             if (isUndef(factory.resolved)) {
               reject(
                 process.env.NODE_ENV !== 'production'
@@ -4254,16 +4266,21 @@ var getNow = Date.now;
 // timestamp can either be hi-res (relative to page load) or low-res
 // (relative to UNIX epoch), so in order to compare time we have to use the
 // same timestamp type when saving the flush timestamp.
-if (
-  inBrowser &&
-  window.performance &&
-  typeof performance.now === 'function' &&
-  document.createEvent('Event').timeStamp <= performance.now()
-) {
-  // if the event timestamp is bigger than the hi-res timestamp
-  // (which is evaluated AFTER) it means the event is using a lo-res timestamp,
-  // and we need to use the lo-res version for event listeners as well.
-  getNow = function () { return performance.now(); };
+// All IE versions use low-res event timestamps, and have problematic clock
+// implementations (#9632)
+if (inBrowser && !isIE) {
+  var performance = window.performance;
+  if (
+    performance &&
+    typeof performance.now === 'function' &&
+    getNow() > document.createEvent('Event').timeStamp
+  ) {
+    // if the event timestamp, although evaluated AFTER the Date.now(), is
+    // smaller than it, it means the event is using a hi-res timestamp,
+    // and we need to use the hi-res version for event listener timestamps as
+    // well.
+    getNow = function () { return performance.now(); };
+  }
 }
 
 /**
@@ -5436,7 +5453,7 @@ Object.defineProperty(Vue, 'FunctionalRenderContext', {
   value: FunctionalRenderContext
 });
 
-Vue.version = '2.6.9';
+Vue.version = '2.6.10';
 
 /*  */
 
@@ -7600,10 +7617,11 @@ function updateDOMProps (oldVnode, vnode) {
   }
 
   for (key in oldProps) {
-    if (isUndef(props[key])) {
+    if (!(key in props)) {
       elm[key] = '';
     }
   }
+
   for (key in props) {
     cur = props[key];
     // ignore children if the node has textContent or innerHTML,
@@ -10729,7 +10747,7 @@ function isDirectChildOfTemplateFor (node) {
 
 /*  */
 
-var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
+var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*(?:[\w$]+)?\s*\(/;
 var fnInvokeRE = /\([^)]*?\);*$/;
 var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
 

dist/vue.js

@@ -1,5 +1,5 @@
 /*!
- * Vue.js v2.6.9
+ * Vue.js v2.6.10
  * (c) 2014-2019 Evan You
  * Released under the MIT License.
  */
@@ -2548,8 +2548,8 @@
     prevSlots
   ) {
     var res;
-    var isStable = slots ? !!slots.$stable : true;
     var hasNormalSlots = Object.keys(normalSlots).length > 0;
+    var isStable = slots ? !!slots.$stable : !hasNormalSlots;
     var key = slots && slots.$key;
     if (!slots) {
       res = {};
@@ -3633,7 +3633,9 @@
 
     if (owner && !isDef(factory.owners)) {
       var owners = factory.owners = [owner];
-      var sync = true
+      var sync = true;
+      var timerLoading = null;
+      var timerTimeout = null
 
       ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });
 
@@ -3644,6 +3646,14 @@
 
         if (renderCompleted) {
           owners.length = 0;
+          if (timerLoading !== null) {
+            clearTimeout(timerLoading);
+            timerLoading = null;
+          }
+          if (timerTimeout !== null) {
+            clearTimeout(timerTimeout);
+            timerTimeout = null;
+          }
         }
       };
 
@@ -3690,7 +3700,8 @@
             if (res.delay === 0) {
               factory.loading = true;
             } else {
-              setTimeout(function () {
+              timerLoading = setTimeout(function () {
+                timerLoading = null;
                 if (isUndef(factory.resolved) && isUndef(factory.error)) {
                   factory.loading = true;
                   forceRender(false);
@@ -3700,7 +3711,8 @@
           }
 
           if (isDef(res.timeout)) {
-            setTimeout(function () {
+            timerTimeout = setTimeout(function () {
+              timerTimeout = null;
               if (isUndef(factory.resolved)) {
                 reject(
                   "timeout (" + (res.timeout) + "ms)"
@@ -4246,16 +4258,21 @@
   // timestamp can either be hi-res (relative to page load) or low-res
   // (relative to UNIX epoch), so in order to compare time we have to use the
   // same timestamp type when saving the flush timestamp.
-  if (
-    inBrowser &&
-    window.performance &&
-    typeof performance.now === 'function' &&
-    document.createEvent('Event').timeStamp <= performance.now()
-  ) {
-    // if the event timestamp is bigger than the hi-res timestamp
-    // (which is evaluated AFTER) it means the event is using a lo-res timestamp,
-    // and we need to use the lo-res version for event listeners as well.
-    getNow = function () { return performance.now(); };
+  // All IE versions use low-res event timestamps, and have problematic clock
+  // implementations (#9632)
+  if (inBrowser && !isIE) {
+    var performance = window.performance;
+    if (
+      performance &&
+      typeof performance.now === 'function' &&
+      getNow() > document.createEvent('Event').timeStamp
+    ) {
+      // if the event timestamp, although evaluated AFTER the Date.now(), is
+      // smaller than it, it means the event is using a hi-res timestamp,
+      // and we need to use the hi-res version for event listener timestamps as
+      // well.
+      getNow = function () { return performance.now(); };
+    }
   }
 
   /**
@@ -5420,7 +5437,7 @@
     value: FunctionalRenderContext
   });
 
-  Vue.version = '2.6.9';
+  Vue.version = '2.6.10';
 
   /*  */
 
@@ -7582,10 +7599,11 @@
     }
 
     for (key in oldProps) {
-      if (isUndef(props[key])) {
+      if (!(key in props)) {
         elm[key] = '';
       }
     }
+
     for (key in props) {
       cur = props[key];
       // ignore children if the node has textContent or innerHTML,
@@ -10702,7 +10720,7 @@
 
   /*  */
 
-  var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
+  var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*(?:[\w$]+)?\s*\(/;
   var fnInvokeRE = /\([^)]*?\);*$/;
   var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
 

dist/vue.runtime.common.dev.js

@@ -1,5 +1,5 @@
 /*!
- * Vue.js v2.6.9
+ * Vue.js v2.6.10
  * (c) 2014-2019 Evan You
  * Released under the MIT License.
  */
@@ -2535,8 +2535,8 @@ function normalizeScopedSlots (
   prevSlots
 ) {
   var res;
-  var isStable = slots ? !!slots.$stable : true;
   var hasNormalSlots = Object.keys(normalSlots).length > 0;
+  var isStable = slots ? !!slots.$stable : !hasNormalSlots;
   var key = slots && slots.$key;
   if (!slots) {
     res = {};
@@ -3620,7 +3620,9 @@ function resolveAsyncComponent (
 
   if (owner && !isDef(factory.owners)) {
     var owners = factory.owners = [owner];
-    var sync = true
+    var sync = true;
+    var timerLoading = null;
+    var timerTimeout = null
 
     ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });
 
@@ -3631,6 +3633,14 @@ function resolveAsyncComponent (
 
       if (renderCompleted) {
         owners.length = 0;
+        if (timerLoading !== null) {
+          clearTimeout(timerLoading);
+          timerLoading = null;
+        }
+        if (timerTimeout !== null) {
+          clearTimeout(timerTimeout);
+          timerTimeout = null;
+        }
       }
     };
 
@@ -3677,7 +3687,8 @@ function resolveAsyncComponent (
           if (res.delay === 0) {
             factory.loading = true;
           } else {
-            setTimeout(function () {
+            timerLoading = setTimeout(function () {
+              timerLoading = null;
               if (isUndef(factory.resolved) && isUndef(factory.error)) {
                 factory.loading = true;
                 forceRender(false);
@@ -3687,7 +3698,8 @@ function resolveAsyncComponent (
         }
 
         if (isDef(res.timeout)) {
-          setTimeout(function () {
+          timerTimeout = setTimeout(function () {
+            timerTimeout = null;
             if (isUndef(factory.resolved)) {
               reject(
                 "timeout (" + (res.timeout) + "ms)"
@@ -4233,16 +4245,21 @@ var getNow = Date.now;
 // timestamp can either be hi-res (relative to page load) or low-res
 // (relative to UNIX epoch), so in order to compare time we have to use the
 // same timestamp type when saving the flush timestamp.
-if (
-  inBrowser &&
-  window.performance &&
-  typeof performance.now === 'function' &&
-  document.createEvent('Event').timeStamp <= performance.now()
-) {
-  // if the event timestamp is bigger than the hi-res timestamp
-  // (which is evaluated AFTER) it means the event is using a lo-res timestamp,
-  // and we need to use the lo-res version for event listeners as well.
-  getNow = function () { return performance.now(); };
+// All IE versions use low-res event timestamps, and have problematic clock
+// implementations (#9632)
+if (inBrowser && !isIE) {
+  var performance = window.performance;
+  if (
+    performance &&
+    typeof performance.now === 'function' &&
+    getNow() > document.createEvent('Event').timeStamp
+  ) {
+    // if the event timestamp, although evaluated AFTER the Date.now(), is
+    // smaller than it, it means the event is using a hi-res timestamp,
+    // and we need to use the hi-res version for event listener timestamps as
+    // well.
+    getNow = function () { return performance.now(); };
+  }
 }
 
 /**
@@ -5407,7 +5424,7 @@ Object.defineProperty(Vue, 'FunctionalRenderContext', {
   value: FunctionalRenderContext
 });
 
-Vue.version = '2.6.9';
+Vue.version = '2.6.10';
 
 /*  */
 
@@ -6930,10 +6947,11 @@ function updateDOMProps (oldVnode, vnode) {
   }
 
   for (key in oldProps) {
-    if (isUndef(props[key])) {
+    if (!(key in props)) {
       elm[key] = '';
     }
   }
+
   for (key in props) {
     cur = props[key];
     // ignore children if the node has textContent or innerHTML,

dist/vue.runtime.esm.js

@@ -1,5 +1,5 @@
 /*!
- * Vue.js v2.6.9
+ * Vue.js v2.6.10
  * (c) 2014-2019 Evan You
  * Released under the MIT License.
  */
@@ -2541,8 +2541,8 @@ function normalizeScopedSlots (
   prevSlots
 ) {
   var res;
-  var isStable = slots ? !!slots.$stable : true;
   var hasNormalSlots = Object.keys(normalSlots).length > 0;
+  var isStable = slots ? !!slots.$stable : !hasNormalSlots;
   var key = slots && slots.$key;
   if (!slots) {
     res = {};
@@ -3630,7 +3630,9 @@ function resolveAsyncComponent (
 
   if (owner && !isDef(factory.owners)) {
     var owners = factory.owners = [owner];
-    var sync = true
+    var sync = true;
+    var timerLoading = null;
+    var timerTimeout = null
 
     ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });
 
@@ -3641,6 +3643,14 @@ function resolveAsyncComponent (
 
       if (renderCompleted) {
         owners.length = 0;
+        if (timerLoading !== null) {
+          clearTimeout(timerLoading);
+          timerLoading = null;
+        }
+        if (timerTimeout !== null) {
+          clearTimeout(timerTimeout);
+          timerTimeout = null;
+        }
       }
     };
 
@@ -3687,7 +3697,8 @@ function resolveAsyncComponent (
           if (res.delay === 0) {
             factory.loading = true;
           } else {
-            setTimeout(function () {
+            timerLoading = setTimeout(function () {
+              timerLoading = null;
               if (isUndef(factory.resolved) && isUndef(factory.error)) {
                 factory.loading = true;
                 forceRender(false);
@@ -3697,7 +3708,8 @@ function resolveAsyncComponent (
         }
 
         if (isDef(res.timeout)) {
-          setTimeout(function () {
+          timerTimeout = setTimeout(function () {
+            timerTimeout = null;
             if (isUndef(factory.resolved)) {
               reject(
                 process.env.NODE_ENV !== 'production'
@@ -4245,16 +4257,21 @@ var getNow = Date.now;
 // timestamp can either be hi-res (relative to page load) or low-res
 // (relative to UNIX epoch), so in order to compare time we have to use the
 // same timestamp type when saving the flush timestamp.
-if (
-  inBrowser &&
-  window.performance &&
-  typeof performance.now === 'function' &&
-  document.createEvent('Event').timeStamp <= performance.now()
-) {
-  // if the event timestamp is bigger than the hi-res timestamp
-  // (which is evaluated AFTER) it means the event is using a lo-res timestamp,
-  // and we need to use the lo-res version for event listeners as well.
-  getNow = function () { return performance.now(); };
+// All IE versions use low-res event timestamps, and have problematic clock
+// implementations (#9632)
+if (inBrowser && !isIE) {
+  var performance = window.performance;
+  if (
+    performance &&
+    typeof performance.now === 'function' &&
+    getNow() > document.createEvent('Event').timeStamp
+  ) {
+    // if the event timestamp, although evaluated AFTER the Date.now(), is
+    // smaller than it, it means the event is using a hi-res timestamp,
+    // and we need to use the hi-res version for event listener timestamps as
+    // well.
+    getNow = function () { return performance.now(); };
+  }
 }
 
 /**
@@ -5427,7 +5444,7 @@ Object.defineProperty(Vue, 'FunctionalRenderContext', {
   value: FunctionalRenderContext
 });
 
-Vue.version = '2.6.9';
+Vue.version = '2.6.10';
 
 /*  */
 
@@ -6952,10 +6969,11 @@ function updateDOMProps (oldVnode, vnode) {
   }
 
   for (key in oldProps) {
-    if (isUndef(props[key])) {
+    if (!(key in props)) {
       elm[key] = '';
     }
   }
+
   for (key in props) {
     cur = props[key];
     // ignore children if the node has textContent or innerHTML,

dist/vue.runtime.js

@@ -1,5 +1,5 @@
 /*!
- * Vue.js v2.6.9
+ * Vue.js v2.6.10
  * (c) 2014-2019 Evan You
  * Released under the MIT License.
  */
@@ -2539,8 +2539,8 @@
     prevSlots
   ) {
     var res;
-    var isStable = slots ? !!slots.$stable : true;
     var hasNormalSlots = Object.keys(normalSlots).length > 0;
+    var isStable = slots ? !!slots.$stable : !hasNormalSlots;
     var key = slots && slots.$key;
     if (!slots) {
       res = {};
@@ -3624,7 +3624,9 @@
 
     if (owner && !isDef(factory.owners)) {
       var owners = factory.owners = [owner];
-      var sync = true
+      var sync = true;
+      var timerLoading = null;
+      var timerTimeout = null
 
       ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });
 
@@ -3635,6 +3637,14 @@
 
         if (renderCompleted) {
           owners.length = 0;
+          if (timerLoading !== null) {
+            clearTimeout(timerLoading);
+            timerLoading = null;
+          }
+          if (timerTimeout !== null) {
+            clearTimeout(timerTimeout);
+            timerTimeout = null;
+          }
         }
       };
 
@@ -3681,7 +3691,8 @@
             if (res.delay === 0) {
               factory.loading = true;
             } else {
-              setTimeout(function () {
+              timerLoading = setTimeout(function () {
+                timerLoading = null;
                 if (isUndef(factory.resolved) && isUndef(factory.error)) {
                   factory.loading = true;
                   forceRender(false);
@@ -3691,7 +3702,8 @@
           }
 
           if (isDef(res.timeout)) {
-            setTimeout(function () {
+            timerTimeout = setTimeout(function () {
+              timerTimeout = null;
               if (isUndef(factory.resolved)) {
                 reject(
                   "timeout (" + (res.timeout) + "ms)"
@@ -4237,16 +4249,21 @@
   // timestamp can either be hi-res (relative to page load) or low-res
   // (relative to UNIX epoch), so in order to compare time we have to use the
   // same timestamp type when saving the flush timestamp.
-  if (
-    inBrowser &&
-    window.performance &&
-    typeof performance.now === 'function' &&
-    document.createEvent('Event').timeStamp <= performance.now()
-  ) {
-    // if the event timestamp is bigger than the hi-res timestamp
-    // (which is evaluated AFTER) it means the event is using a lo-res timestamp,
-    // and we need to use the lo-res version for event listeners as well.
-    getNow = function () { return performance.now(); };
+  // All IE versions use low-res event timestamps, and have problematic clock
+  // implementations (#9632)
+  if (inBrowser && !isIE) {
+    var performance = window.performance;
+    if (
+      performance &&
+      typeof performance.now === 'function' &&
+      getNow() > document.createEvent('Event').timeStamp
+    ) {
+      // if the event timestamp, although evaluated AFTER the Date.now(), is
+      // smaller than it, it means the event is using a hi-res timestamp,
+      // and we need to use the hi-res version for event listener timestamps as
+      // well.
+      getNow = function () { return performance.now(); };
+    }
   }
 
   /**
@@ -5411,7 +5428,7 @@
     value: FunctionalRenderContext
   });
 
-  Vue.version = '2.6.9';
+  Vue.version = '2.6.10';
 
   /*  */
 
@@ -6934,10 +6951,11 @@
     }
 
     for (key in oldProps) {
-      if (isUndef(props[key])) {
+      if (!(key in props)) {
         elm[key] = '';
       }
     }
+
     for (key in props) {
       cur = props[key];
       // ignore children if the node has textContent or innerHTML,

packages/vue-server-renderer/basic.js

@@ -5032,7 +5032,7 @@
 
   /*  */
 
-  var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
+  var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*(?:[\w$]+)?\s*\(/;
   var fnInvokeRE = /\([^)]*?\);*$/;
   var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
 
@@ -7571,8 +7571,8 @@
     prevSlots
   ) {
     var res;
-    var isStable = slots ? !!slots.$stable : true;
     var hasNormalSlots = Object.keys(normalSlots).length > 0;
+    var isStable = slots ? !!slots.$stable : !hasNormalSlots;
     var key = slots && slots.$key;
     if (!slots) {
       res = {};
@@ -7699,7 +7699,9 @@
 
     if (owner && !isDef(factory.owners)) {
       var owners = factory.owners = [owner];
-      var sync = true
+      var sync = true;
+      var timerLoading = null;
+      var timerTimeout = null
 
       ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });
 
@@ -7710,6 +7712,14 @@
 
         if (renderCompleted) {
           owners.length = 0;
+          if (timerLoading !== null) {
+            clearTimeout(timerLoading);
+            timerLoading = null;
+          }
+          if (timerTimeout !== null) {
+            clearTimeout(timerTimeout);
+            timerTimeout = null;
+          }
         }
       };
 
@@ -7756,7 +7766,8 @@
             if (res.delay === 0) {
               factory.loading = true;
             } else {
-              setTimeout(function () {
+              timerLoading = setTimeout(function () {
+                timerLoading = null;
                 if (isUndef(factory.resolved) && isUndef(factory.error)) {
                   factory.loading = true;
                   forceRender(false);
@@ -7766,7 +7777,8 @@
           }
 
           if (isDef(res.timeout)) {
-            setTimeout(function () {
+            timerTimeout = setTimeout(function () {
+              timerTimeout = null;
               if (isUndef(factory.resolved)) {
                 reject(
                   "timeout (" + (res.timeout) + "ms)"
@@ -7959,16 +7971,29 @@
 
   /*  */
 
+  // Async edge case fix requires storing an event listener's attach timestamp.
+  var getNow = Date.now;
+
   // Determine what event timestamp the browser is using. Annoyingly, the
   // timestamp can either be hi-res (relative to page load) or low-res
   // (relative to UNIX epoch), so in order to compare time we have to use the
   // same timestamp type when saving the flush timestamp.
-  if (
-    inBrowser &&
-    window.performance &&
-    typeof performance.now === 'function' &&
-    document.createEvent('Event').timeStamp <= performance.now()
-  ) ;
+  // All IE versions use low-res event timestamps, and have problematic clock
+  // implementations (#9632)
+  if (inBrowser && !isIE) {
+    var performance = window.performance;
+    if (
+      performance &&
+      typeof performance.now === 'function' &&
+      getNow() > document.createEvent('Event').timeStamp
+    ) {
+      // if the event timestamp, although evaluated AFTER the Date.now(), is
+      // smaller than it, it means the event is using a hi-res timestamp,
+      // and we need to use the hi-res version for event listener timestamps as
+      // well.
+      getNow = function () { return performance.now(); };
+    }
+  }
 
   /**
    * Queue a kept-alive component that was activated during patch.

packages/vue-server-renderer/build.dev.js

@@ -4782,7 +4782,7 @@ var baseOptions = {
 
 /*  */
 
-var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
+var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*(?:[\w$]+)?\s*\(/;
 var fnInvokeRE = /\([^)]*?\);*$/;
 var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
 
@@ -7321,8 +7321,8 @@ function normalizeScopedSlots (
   prevSlots
 ) {
   var res;
-  var isStable = slots ? !!slots.$stable : true;
   var hasNormalSlots = Object.keys(normalSlots).length > 0;
+  var isStable = slots ? !!slots.$stable : !hasNormalSlots;
   var key = slots && slots.$key;
   if (!slots) {
     res = {};
@@ -7449,7 +7449,9 @@ function resolveAsyncComponent (
 
   if (owner && !isDef(factory.owners)) {
     var owners = factory.owners = [owner];
-    var sync = true
+    var sync = true;
+    var timerLoading = null;
+    var timerTimeout = null
 
     ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });
 
@@ -7460,6 +7462,14 @@ function resolveAsyncComponent (
 
       if (renderCompleted) {
         owners.length = 0;
+        if (timerLoading !== null) {
+          clearTimeout(timerLoading);
+          timerLoading = null;
+        }
+        if (timerTimeout !== null) {
+          clearTimeout(timerTimeout);
+          timerTimeout = null;
+        }
       }
     };
 
@@ -7506,7 +7516,8 @@ function resolveAsyncComponent (
           if (res.delay === 0) {
             factory.loading = true;
           } else {
-            setTimeout(function () {
+            timerLoading = setTimeout(function () {
+              timerLoading = null;
               if (isUndef(factory.resolved) && isUndef(factory.error)) {
                 factory.loading = true;
                 forceRender(false);
@@ -7516,7 +7527,8 @@ function resolveAsyncComponent (
         }
 
         if (isDef(res.timeout)) {
-          setTimeout(function () {
+          timerTimeout = setTimeout(function () {
+            timerTimeout = null;
             if (isUndef(factory.resolved)) {
               reject(
                 "timeout (" + (res.timeout) + "ms)"
@@ -7709,16 +7721,29 @@ function callHook (vm, hook) {
 
 /*  */
 
+// Async edge case fix requires storing an event listener's attach timestamp.
+var getNow = Date.now;
+
 // Determine what event timestamp the browser is using. Annoyingly, the
 // timestamp can either be hi-res (relative to page load) or low-res
 // (relative to UNIX epoch), so in order to compare time we have to use the
 // same timestamp type when saving the flush timestamp.
-if (
-  inBrowser &&
-  window.performance &&
-  typeof performance.now === 'function' &&
-  document.createEvent('Event').timeStamp <= performance.now()
-) ;
+// All IE versions use low-res event timestamps, and have problematic clock
+// implementations (#9632)
+if (inBrowser && !isIE) {
+  var performance = window.performance;
+  if (
+    performance &&
+    typeof performance.now === 'function' &&
+    getNow() > document.createEvent('Event').timeStamp
+  ) {
+    // if the event timestamp, although evaluated AFTER the Date.now(), is
+    // smaller than it, it means the event is using a hi-res timestamp,
+    // and we need to use the hi-res version for event listener timestamps as
+    // well.
+    getNow = function () { return performance.now(); };
+  }
+}
 
 /**
  * Queue a kept-alive component that was activated during patch.

packages/vue-server-renderer/package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-server-renderer",
-  "version": "2.6.9",
+  "version": "2.6.10",
   "description": "server renderer for Vue 2.0",
   "main": "index.js",
   "types": "types/index.d.ts",

packages/vue-template-compiler/browser.js

@@ -4082,7 +4082,7 @@
 
   /*  */
 
-  var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
+  var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*(?:[\w$]+)?\s*\(/;
   var fnInvokeRE = /\([^)]*?\);*$/;
   var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
 

packages/vue-template-compiler/build.js

@@ -3712,7 +3712,7 @@ function isDirectChildOfTemplateFor (node) {
 
 /*  */
 
-var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
+var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*(?:[\w$]+)?\s*\(/;
 var fnInvokeRE = /\([^)]*?\);*$/;
 var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
 

packages/vue-template-compiler/package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-template-compiler",
-  "version": "2.6.9",
+  "version": "2.6.10",
   "description": "template compiler for Vue 2.0",
   "main": "index.js",
   "unpkg": "browser.js",