Incorporate memory leak fix into 2.6.14 since there is no 2.6.15 release

vuejs#10085

Author: randylevy

Diff for: dist/vue.common.dev.js

@@ -1,6 +1,6 @@
 /*!
  * Vue.js v2.6.14
- * (c) 2014-2021 Evan You
+ * (c) 2014-2023 Evan You
  * Released under the MIT License.
  */
 /*  */
@@ -929,7 +929,7 @@ var Observer = function Observer (value) {
 Observer.prototype.walk = function walk (obj) {
   var keys = Object.keys(obj);
   for (var i = 0; i < keys.length; i++) {
-    defineReactive$$1(obj, keys[i]);
+    defineReactive(obj, keys[i]);
   }
 };
 
@@ -996,7 +996,7 @@ function observe (value, asRootData) {
 /**
  * Define a reactive property on an Object.
  */
-function defineReactive$$1 (
+function defineReactive (
   obj,
   key,
   val,
@@ -1089,7 +1089,7 @@ function set (target, key, val) {
     target[key] = val;
     return val
   }
-  defineReactive$$1(ob.value, key, val);
+  defineReactive(ob.value, key, val);
   ob.dep.notify();
   return val
 }
@@ -1483,9 +1483,9 @@ function normalizeDirectives (options) {
   var dirs = options.directives;
   if (dirs) {
     for (var key in dirs) {
-      var def$$1 = dirs[key];
-      if (typeof def$$1 === 'function') {
-        dirs[key] = { bind: def$$1, update: def$$1 };
+      var def = dirs[key];
+      if (typeof def === 'function') {
+        dirs[key] = { bind: def, update: def };
       }
     }
   }
@@ -1627,7 +1627,7 @@ function validateProp (
   if (
     process.env.NODE_ENV !== 'production' &&
     // skip validation for weex recycle-list child component props
-    !(false)
+    !(false  )
   ) {
     assertProp(prop, key, value, vm, absent);
   }
@@ -2006,8 +2006,6 @@ function nextTick (cb, ctx) {
   }
 }
 
-/*  */
-
 /* not type checking this file because flow doesn't play well with Proxy */
 
 var initProxy;
@@ -2161,13 +2159,13 @@ if (process.env.NODE_ENV !== 'production') {
 var normalizeEvent = cached(function (name) {
   var passive = name.charAt(0) === '&';
   name = passive ? name.slice(1) : name;
-  var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
-  name = once$$1 ? name.slice(1) : name;
+  var once = name.charAt(0) === '~'; // Prefixed last, checked first
+  name = once ? name.slice(1) : name;
   var capture = name.charAt(0) === '!';
   name = capture ? name.slice(1) : name;
   return {
     name: name,
-    once: once$$1,
+    once: once,
     capture: capture,
     passive: passive
   }
@@ -2196,13 +2194,13 @@ function updateListeners (
   on,
   oldOn,
   add,
-  remove$$1,
+  remove,
   createOnceHandler,
   vm
 ) {
-  var name, def$$1, cur, old, event;
+  var name, def, cur, old, event;
   for (name in on) {
-    def$$1 = cur = on[name];
+    def = cur = on[name];
     old = oldOn[name];
     event = normalizeEvent(name);
     if (isUndef(cur)) {
@@ -2226,7 +2224,7 @@ function updateListeners (
   for (name in oldOn) {
     if (isUndef(on[name])) {
       event = normalizeEvent(name);
-      remove$$1(event.name, oldOn[name], event.capture);
+      remove(event.name, oldOn[name], event.capture);
     }
   }
 }
@@ -2439,7 +2437,7 @@ function initInjections (vm) {
     Object.keys(result).forEach(function (key) {
       /* istanbul ignore else */
       if (process.env.NODE_ENV !== 'production') {
-        defineReactive$$1(vm, key, result[key], function () {
+        defineReactive(vm, key, result[key], function () {
           warn(
             "Avoid mutating an injected value directly since the changes will be " +
             "overwritten whenever the provided component re-renders. " +
@@ -2448,7 +2446,7 @@ function initInjections (vm) {
           );
         });
       } else {
-        defineReactive$$1(vm, key, result[key]);
+        defineReactive(vm, key, result[key]);
       }
     });
     toggleObserving(true);
@@ -3112,12 +3110,6 @@ function mergeProps (to, from) {
 
 /*  */
 
-/*  */
-
-/*  */
-
-/*  */
-
 // inline hooks to be invoked on component VNodes during patch
 var componentVNodeHooks = {
   init: function init (vnode, hydrating) {
@@ -3520,15 +3512,15 @@ function initRender (vm) {
 
   /* istanbul ignore else */
   if (process.env.NODE_ENV !== 'production') {
-    defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {
+    defineReactive(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {
       !isUpdatingChildComponent && warn("$attrs is readonly.", vm);
     }, true);
-    defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, function () {
+    defineReactive(vm, '$listeners', options._parentListeners || emptyObject, function () {
       !isUpdatingChildComponent && warn("$listeners is readonly.", vm);
     }, true);
   } else {
-    defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, null, true);
-    defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, null, true);
+    defineReactive(vm, '$attrs', parentData && parentData.attrs || emptyObject, null, true);
+    defineReactive(vm, '$listeners', options._parentListeners || emptyObject, null, true);
   }
 }
 
@@ -3772,8 +3764,6 @@ function getFirstComponentChild (children) {
 
 /*  */
 
-/*  */
-
 function initEvents (vm) {
   vm._events = Object.create(null);
   vm._hasHookEvent = false;
@@ -4424,7 +4414,7 @@ function queueWatcher (watcher) {
 
 
 
-var uid$2 = 0;
+var uid$1 = 0;
 
 /**
  * A watcher parses an expression, collects dependencies,
@@ -4454,7 +4444,7 @@ var Watcher = function Watcher (
     this.deep = this.user = this.lazy = this.sync = false;
   }
   this.cb = cb;
-  this.id = ++uid$2; // uid for batching
+  this.id = ++uid$1; // uid for batching
   this.active = true;
   this.dirty = this.lazy; // for lazy watchers
   this.deps = [];
@@ -4686,7 +4676,7 @@ function initProps (vm, propsOptions) {
           vm
         );
       }
-      defineReactive$$1(props, key, value, function () {
+      defineReactive(props, key, value, function () {
         if (!isRoot && !isUpdatingChildComponent) {
           warn(
             "Avoid mutating a prop directly since the value will be " +
@@ -4698,7 +4688,7 @@ function initProps (vm, propsOptions) {
         }
       });
     } else {
-      defineReactive$$1(props, key, value);
+      defineReactive(props, key, value);
     }
     // static props are already proxied on the component's prototype
     // during Vue.extend(). We only need to proxy props defined at
@@ -4973,13 +4963,13 @@ function stateMixin (Vue) {
 
 /*  */
 
-var uid$3 = 0;
+var uid$2 = 0;
 
 function initMixin (Vue) {
   Vue.prototype._init = function (options) {
     var vm = this;
     // a uid
-    vm._uid = uid$3++;
+    vm._uid = uid$2++;
 
     var startTag, endTag;
     /* istanbul ignore if */
@@ -5446,7 +5436,7 @@ function initGlobalAPI (Vue) {
     warn: warn,
     extend: extend,
     mergeOptions: mergeOptions,
-    defineReactive: defineReactive$$1
+    defineReactive: defineReactive
   };
 
   Vue.set = set;
@@ -5782,6 +5772,7 @@ function setStyleScope (node, scopeId) {
 }
 
 var nodeOps = /*#__PURE__*/Object.freeze({
+  __proto__: null,
   createElement: createElement$1,
   createElementNS: createElementNS,
   createTextNode: createTextNode,
@@ -5912,13 +5903,13 @@ function createPatchFunction (backend) {
   }
 
   function createRmCb (childElm, listeners) {
-    function remove$$1 () {
-      if (--remove$$1.listeners === 0) {
+    function remove () {
+      if (--remove.listeners === 0) {
         removeNode(childElm);
       }
     }
-    remove$$1.listeners = listeners;
-    return remove$$1
+    remove.listeners = listeners;
+    return remove
   }
 
   function removeNode (el) {
@@ -5929,7 +5920,7 @@ function createPatchFunction (backend) {
     }
   }
 
-  function isUnknownElement$$1 (vnode, inVPre) {
+  function isUnknownElement (vnode, inVPre) {
     return (
       !inVPre &&
       !vnode.ns &&
@@ -5978,7 +5969,7 @@ function createPatchFunction (backend) {
         if (data && data.pre) {
           creatingElmInVPre++;
         }
-        if (isUnknownElement$$1(vnode, creatingElmInVPre)) {
+        if (isUnknownElement(vnode, creatingElmInVPre)) {
           warn(
             'Unknown custom element: <' + tag + '> - did you ' +
             'register the component correctly? For recursive components, ' +
@@ -6076,11 +6067,11 @@ function createPatchFunction (backend) {
     insert(parentElm, vnode.elm, refElm);
   }
 
-  function insert (parent, elm, ref$$1) {
+  function insert (parent, elm, ref) {
     if (isDef(parent)) {
-      if (isDef(ref$$1)) {
-        if (nodeOps.parentNode(ref$$1) === parent) {
-          nodeOps.insertBefore(parent, elm, ref$$1);
+      if (isDef(ref)) {
+        if (nodeOps.parentNode(ref) === parent) {
+          nodeOps.insertBefore(parent, elm, ref);
         }
       } else {
         nodeOps.appendChild(parent, elm);
@@ -6498,7 +6489,7 @@ function createPatchFunction (backend) {
   function assertNodeMatch (node, vnode, inVPre) {
     if (isDef(vnode.tag)) {
       return vnode.tag.indexOf('vue-component') === 0 || (
-        !isUnknownElement$$1(vnode, inVPre) &&
+        !isUnknownElement(vnode, inVPre) &&
         vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
       )
     } else {
@@ -6875,12 +6866,6 @@ var klass = {
 
 /*  */
 
-/*  */
-
-/*  */
-
-/*  */
-
 // in some cases, the event used has to be determined at runtime
 // so we used some reserved tokens during compile.
 var RANGE_TOKEN = '__r';
@@ -6990,15 +6975,18 @@ function updateDOMListeners (oldVnode, vnode) {
   }
   var on = vnode.data.on || {};
   var oldOn = oldVnode.data.on || {};
-  target$1 = vnode.elm;
+  // vnode is empty when removing all listeners,
+  // and use old vnode dom element
+  target$1 = vnode.elm || oldVnode.elm;
   normalizeEvents(on);
   updateListeners(on, oldOn, add$1, remove$2, createOnceHandler$1, vnode.context);
   target$1 = undefined;
 }
 
 var events = {
   create: updateDOMListeners,
-  update: updateDOMListeners
+  update: updateDOMListeners,
+  destroy: function (vnode) { return updateDOMListeners(vnode, emptyNode); }
 };
 
 /*  */
@@ -7342,20 +7330,20 @@ function removeClass (el, cls) {
 
 /*  */
 
-function resolveTransition (def$$1) {
-  if (!def$$1) {
+function resolveTransition (def) {
+  if (!def) {
     return
   }
   /* istanbul ignore else */
-  if (typeof def$$1 === 'object') {
+  if (typeof def === 'object') {
     var res = {};
-    if (def$$1.css !== false) {
-      extend(res, autoCssTransition(def$$1.name || 'v'));
+    if (def.css !== false) {
+      extend(res, autoCssTransition(def.name || 'v'));
     }
-    extend(res, def$$1);
+    extend(res, def);
     return res
-  } else if (typeof def$$1 === 'string') {
-    return autoCssTransition(def$$1)
+  } else if (typeof def === 'string') {
+    return autoCssTransition(def)
   }
 }
 
@@ -7835,7 +7823,7 @@ function _enter (_, vnode) {
 var transition = inBrowser ? {
   create: _enter,
   activate: _enter,
-  remove: function remove$$1 (vnode, rm) {
+  remove: function remove (vnode, rm) {
     /* istanbul ignore else */
     if (vnode.data.show !== true) {
       leave(vnode, rm);
@@ -8015,10 +8003,10 @@ var show = {
     var value = ref.value;
 
     vnode = locateNode(vnode);
-    var transition$$1 = vnode.data && vnode.data.transition;
+    var transition = vnode.data && vnode.data.transition;
     var originalDisplay = el.__vOriginalDisplay =
       el.style.display === 'none' ? '' : el.style.display;
-    if (value && transition$$1) {
+    if (value && transition) {
       vnode.data.show = true;
       enter(vnode, function () {
         el.style.display = originalDisplay;
@@ -8035,8 +8023,8 @@ var show = {
     /* istanbul ignore if */
     if (!value === !oldValue) { return }
     vnode = locateNode(vnode);
-    var transition$$1 = vnode.data && vnode.data.transition;
-    if (transition$$1) {
+    var transition = vnode.data && vnode.data.transition;
+    if (transition) {
       vnode.data.show = true;
       if (value) {
         enter(vnode, function () {