Merge pull request #798 from BUPTlhuanyu/fix-proxy-set

fix: strict模式下this.d设置属性值的时候报错

Author: errorrik

CHANGELOG.md

@@ -2,6 +2,11 @@
 ChangeLog
 ========
 
+3.15.4
+-------
+
++ 【bug修复】- 修复严格模式下 proxy set 无返回导致 js 引擎抛错误的问题
+
 3.15.3  (2025-8-31)
 -------
 

src/runtime/data-proxy.js

@@ -51,6 +51,7 @@ function dataProxy(data) {
                     paths: paths.concat({type: ExprType.STRING, value: prop})
                 };
                 data.set(expr, value);
+                return true;
             },
 
             get: target instanceof Array

src/util/proxy-empty-set.js

@@ -0,0 +1,16 @@
+/**
+ * Copyright (c) Baidu Inc. All rights reserved.
+ *
+ * This source code is licensed under the MIT license.
+ * See LICENSE file in the project root for license information.
+ *
+ * @file 空函数
+ */
+
+
+/**
+ * 啥都不干，返回true
+ */
+function emptyReturnTruth() {return true;}
+
+exports = module.exports = emptyReturnTruth;

src/view/component.js

@@ -9,7 +9,6 @@
 
 
 var each = require('../util/each');
-var empty = require('../util/empty');
 var guid = require('../util/guid');
 var extend = require('../util/extend');
 var nextTick = require('../util/next-tick');
@@ -51,6 +50,7 @@ var createDataTypesChecker = require('../util/create-data-types-checker');
 var warn = require('../util/warn');
 var handleError = require('../util/handle-error');
 var DOMChildrenWalker = require('./dom-children-walker');
+var emptyReturnTruth = require('../util/proxy-empty-set');
 
 
 var proxySupported = typeof Proxy !== 'undefined';
@@ -526,8 +526,8 @@ var componentComputedProxyHandler = {
             return new Proxy(value, componentComputedProxyHandler);
         }
         return value;
-    }, 
-    set: empty
+    },
+    set: emptyReturnTruth
 };
 
 
@@ -578,7 +578,7 @@ Component.prototype._calcComputed = function (computedExpr) {
 
     if (proxySupported) {
         that.d = new Proxy(me.data.raw, {
-            set: empty,
+            set: emptyReturnTruth,
             get: function (obj, prop) {
                 if (!computedDeps[prop]) {
                     computedDeps[prop] = 1;