BI-126352 fix: 仪表板预览空白

dist/fix/fix.js

@@ -919,23 +919,27 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                         return m;
                     } : parsePath(exp);
                     var v = getter.call(model, model);
-                    var _dep = new Dep();
-                    if (isGlobal) {
-                        (v.__ob__._scopeDeps || (v.__ob__._scopeDeps = [])).push(_dep);
-                    } else {
-                        (v.__ob__._deps || (v.__ob__._deps = [])).push(_dep);
+
+                    if (v.__ob__) {
+                        var _dep = new Dep();
+                        if (isGlobal) {
+                            (v.__ob__._scopeDeps || (v.__ob__._scopeDeps = [])).push(_dep);
+                        } else {
+                            (v.__ob__._deps || (v.__ob__._deps = [])).push(_dep);
+                        }
+                        var _w = new Watcher(model, function () {
+                            _dep.depend();
+                            return NaN;
+                        }, function (newValue, oldValue, attrs) {
+                            callback(i, newValue, oldValue, BI._.extend({ index: i }, attrs));
+                        }, options);
+                        watchers.push(function unwatchFn() {
+                            _w.teardown();
+                            v.__ob__._scopeDeps && remove(v.__ob__._scopeDeps, _dep);
+                            v.__ob__._deps && remove(v.__ob__._deps, _dep);
+                        });
                     }
-                    var _w = new Watcher(model, function () {
-                        _dep.depend();
-                        return NaN;
-                    }, function (newValue, oldValue, attrs) {
-                        callback(i, newValue, oldValue, BI._.extend({ index: i }, attrs));
-                    }, options);
-                    watchers.push(function unwatchFn() {
-                        _w.teardown();
-                        v.__ob__._scopeDeps && remove(v.__ob__._scopeDeps, _dep);
-                        v.__ob__._deps && remove(v.__ob__._deps, _dep);
-                    });
+                    
                     return;
                 }
                 // **.a.**的情况，场景：a.b.c, 如果用b.**监听, a被重新赋值b上的_scopeDes就不存在了
@@ -943,6 +947,11 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                     //先获取到能获取到的对象
                     var _paths = exp.split(".");
                     var _currentModel = model[_paths[1]];
+
+                    if (!_currentModel.__ob__) {
+                        return;
+                    }
+
                     exp = _paths[1] + ".**";
                     //补全路径
                     var _parent = _currentModel.__ob__.parent,
@@ -993,6 +1002,11 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                     }
                     currentModel = model[paths[_i]];
                 }
+
+                if (!currentModel.__ob__) {
+                    return;
+                }
+
                 exp = exp.substr(exp.indexOf("*"));
                 //补全路径
                 var parent = currentModel.__ob__.parent,