release: v1.0.14 By: AICoder

CHANGELOG.md

@@ -1,5 +1,11 @@
 # CHANGELOG
 
+## v1.0.14 (2026-06-05)
+
+### 修复
+- **微任务扫描死循环**: 引入 `_stScanned` 标记对新挂载节点进行幂等拦截，防止在复杂嵌套（如 `$if` / `$each`）及大数据量场景下，新老节点重组重排循环触发 MutationObserver 造成浏览器卡死的微任务无限扫描死循环。
+- **状态更新防御**: 在 `_updateBinding` 逻辑中加入同值校验，避免当目标值与原值相等时重复赋值，杜绝不必要的 Observer 触发与重绘。
+
 ## v1.0.13 (2026-05-26)
 
 ### 新特性

dist/state.js

@@ -244,7 +244,9 @@
           if (typeof result === "object" && result != null && !Array.isArray(result) && o[lk] == null) o[lk] = {};
           const lo = o[lk];
           if (typeof lo === "object" && lo != null && lo.__watch) Object.assign(lo, result);
-          else o[lk] = result;
+          else {
+            if (o[lk] !== result) o[lk] = result;
+          }
         } else if (typeof result === "object" && result != null && !Array.isArray(result)) {
           Object.assign(o, result);
         }
@@ -475,6 +477,7 @@
       return;
     }
     if (node.nodeType !== 1) return;
+    node._stScanned = true;
     if (!node._stTranslated) {
       Array.from(node.attributes).forEach((attr) => {
         if (!attr.name.startsWith("$") && !attr.name.startsWith("st-") && !attr.name.startsWith(".")) {
@@ -693,7 +696,10 @@
       new MutationObserver((mutations) => {
         mutations.forEach((mutation) => {
           mutation.addedNodes.forEach((newNode) => {
-            if (newNode.isConnected) _scanTree(newNode);
+            if (newNode.isConnected && newNode.nodeType === 1 && !newNode._stScanned) {
+              newNode._stScanned = true;
+              _scanTree(newNode);
+            }
           });
           mutation.removedNodes.forEach((oldNode) => _unbindTree(oldNode));
         });

dist/state.mjs

@@ -240,7 +240,9 @@ function _updateBinding(binding) {
         if (typeof result === "object" && result != null && !Array.isArray(result) && o[lk] == null) o[lk] = {};
         const lo = o[lk];
         if (typeof lo === "object" && lo != null && lo.__watch) Object.assign(lo, result);
-        else o[lk] = result;
+        else {
+          if (o[lk] !== result) o[lk] = result;
+        }
       } else if (typeof result === "object" && result != null && !Array.isArray(result)) {
         Object.assign(o, result);
       }
@@ -471,6 +473,7 @@ const _scanTree = (node, scanObj = {}) => {
     return;
   }
   if (node.nodeType !== 1) return;
+  node._stScanned = true;
   if (!node._stTranslated) {
     Array.from(node.attributes).forEach((attr) => {
       if (!attr.name.startsWith("$") && !attr.name.startsWith("st-") && !attr.name.startsWith(".")) {
@@ -689,7 +692,10 @@ if (typeof document !== "undefined") {
     new MutationObserver((mutations) => {
       mutations.forEach((mutation) => {
         mutation.addedNodes.forEach((newNode) => {
-          if (newNode.isConnected) _scanTree(newNode);
+          if (newNode.isConnected && newNode.nodeType === 1 && !newNode._stScanned) {
+            newNode._stScanned = true;
+            _scanTree(newNode);
+          }
         });
         mutation.removedNodes.forEach((oldNode) => _unbindTree(oldNode));
       });

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@apigo.cc/state",
-  "version": "1.0.13",
+  "version": "1.0.14",
   "type": "module",
   "main": "dist/state.js",
   "module": "dist/state.js",

src/dom.js

@@ -76,7 +76,7 @@ export function _updateBinding(binding) {
 				if (typeof result === 'object' && result != null && !Array.isArray(result) && o[lk] == null) o[lk] = {};
 				const lo = o[lk];
 				if (typeof lo === 'object' && lo != null && lo.__watch) Object.assign(lo, result);
-				else o[lk] = result;
+				else { if (o[lk] !== result) o[lk] = result; }
 			} else if (typeof result === 'object' && result != null && !Array.isArray(result)) {
 				Object.assign(o, result);
 			}
@@ -308,6 +308,7 @@ export const _scanTree = (node, scanObj = {}) => {
 		node._stTranslated = true; return;
 	}
 	if (node.nodeType !== 1) return;
+	node._stScanned = true;
 
 	if (!node._stTranslated) {
 		Array.from(node.attributes).forEach(attr => {

src/index.js

@@ -28,7 +28,10 @@ if (typeof document !== 'undefined') {
         new MutationObserver(mutations => {
             mutations.forEach(mutation => {
                 mutation.addedNodes.forEach(newNode => {
-                    if (newNode.isConnected) _scanTree(newNode);
+                    if (newNode.isConnected && newNode.nodeType === 1 && !newNode._stScanned) {
+                        newNode._stScanned = true;
+                        _scanTree(newNode);
+                    }
                 });
                 mutation.removedNodes.forEach(oldNode => _unbindTree(oldNode));
             });