BI-33066

dist/fix/fix.ie.js

@@ -236,7 +236,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
 
         var model = vm;
-        if (!model.addWatch && model.$vm) {
+        if (!model.$watch && model.$vm) {
             model = model.$vm;
         }
         if (isPlainObject(cb)) {
@@ -250,7 +250,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         options.user = true;
         var exps = void 0;
         if (_$1.isFunction(expOrFn) || !(exps = expOrFn.match(/[a-zA-Z0-9_.*]+|[|][|]|[&][&]|[(]|[)]/g)) || exps.length === 1 && !/\*/.test(expOrFn)) {
-            model.addWatch(expOrFn, cb, options);
+            model.$watch(expOrFn, cb, options);
 
             return [];
         }
@@ -305,7 +305,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
                     return result;
                 };
-                model.addWatch(getter, function (newValue, oldValue, attrs) {
+                model.$watch(getter, function (newValue, oldValue, attrs) {
                     callback(i, newValue, oldValue, _$1.extend({ index: i }, attrs));
                 }, _$1.extend(options, {
                     deep: isGlobal
@@ -349,13 +349,13 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
                     return currentModels;
                 };
-                model.addWatch(_getter, function (newValue, oldValue, attrs) {
+                model.$watch(_getter, function (newValue, oldValue, attrs) {
                     callback(i, newValue, oldValue, _$1.extend({ index: i }, attrs));
                 }, options);
 
                 return;
             }
-            model.addWatch(exp, function (newValue, oldValue, attrs) {
+            model.$watch(exp, function (newValue, oldValue, attrs) {
                 callback(i, newValue, oldValue, _$1.extend({ index: i }, attrs));
             }, options);
         });
@@ -487,7 +487,8 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
     var allModelInstances = {};
     var emptyFn = function emptyFn() {};
 
-    var Watcher = function Watcher(_ref) {
+    var Watcher = function () {
+        function Watcher(_ref) {
             var get = _ref.get,
                 last = _ref.last,
                 listener = _ref.listener,
@@ -506,8 +507,18 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                 last: this.last,
                 listener: this.listener
             };
+        }
+
+        // 不要去掉，为了兼容IE8，IE8下instance of Constructor如果不绑定函数会出错
+
+
+        Watcher.prototype.getInstance = function getInstance() {
+            return this;
         };
 
+        return Watcher;
+    }();
+
     function initState(vm, state) {
         var watchers = vm._stateWatchers = {};
         for (var key in state) {
@@ -628,7 +639,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
             var p = vm._parent;
             while (p) {
                 if (p.childContext && p.childContext.indexOf(key) > -1) {
-                    p.addWatch(key, function (cur, last, p) {
+                    p.$watch(key, function (cur, last, p) {
                         if (!vm.alive) return;
                         vm.model[key] = cur;
                         vm._contextWatchers[key].last = cloneShadow(cur); // 避免重复调用（可以改成给watch添加一个参数保证下次比较一定相同）
@@ -749,6 +760,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         var watchers = [].concat(vm._watchers);
 
         _$1.each(watchers, function (watcher) {
+            if (!watcher) return;
             var cur = watcher.get();
             var last = watcher.last;
 
@@ -816,7 +828,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
         Model.prototype._init = function _init() {};
 
-        Model.prototype.addWatch = function addWatch(expOrFn, cb, options) {
+        Model.prototype.$watch = function $watch(expOrFn, cb, options) {
             var watcher = createWatcher(this, expOrFn, cb, options);
             this._watchers.push(watcher);
         };