@ai-sdk/react - npm Package Compare versions

Comparing version 4.0.66 to 4.0.67

dist/index.js

@@ -170,2 +170,11 @@ var __accessCheck = (obj, member, msg) => {
 // src/chat.react.ts
+function cloneMetadata(metadata) {
+  if (Array.isArray(metadata)) {
+    return [...metadata];
+  }
+  if (metadata != null && typeof metadata === "object" && (Object.getPrototypeOf(metadata) === Object.prototype || Object.getPrototypeOf(metadata) === null)) {
+    return { ...metadata };
+  }
+  return metadata;
+}
 var _messages, _status, _error, _messagesCallbacks, _statusCallbacks, _errorCallbacks, _callMessagesCallbacks, _callStatusCallbacks, _callErrorCallbacks;
@@ -191,3 +200,2 @@ var ReactChatState = class {
         ...__privateGet(this, _messages).slice(0, index),
-        // We deep clone the message here to ensure the new React Compiler (currently in RC) detects deeply nested parts/metadata changes:
         this.snapshot(message),
@@ -198,3 +206,16 @@ ...__privateGet(this, _messages).slice(index + 1)
     };
-    this.snapshot = (value) => structuredClone(value);
+    this.snapshot = (value) => {
+      if (value == null || typeof value !== "object" || !("parts" in value) || !Array.isArray(value.parts)) {
+        return value;
+      }
+      const message = value;
+      const snapshot = {
+        ...message,
+        parts: message.parts.map((part) => ({ ...part }))
+      };
+      if ("metadata" in message) {
+        snapshot.metadata = cloneMetadata(message.metadata);
+      }
+      return snapshot;
+    };
     this["~registerMessagesCallback"] = (onChange, throttleWaitMs) => {
@@ -201,0 +222,0 @@ const callback = throttleWaitMs ? throttle(onChange, throttleWaitMs) : onChange;

package.json

 {
   "name": "@ai-sdk/react",
-  "version": "4.0.66",
+  "version": "4.0.67",
   "type": "module",
@@ -31,6 +31,6 @@ "license": "Apache-2.0",
     "throttleit": "2.1.0",
+    "@ai-sdk/mcp": "2.0.31",
     "@ai-sdk/provider": "4.0.7",
-    "@ai-sdk/mcp": "2.0.31",
     "@ai-sdk/provider-utils": "5.0.27",
-    "ai": "7.0.63"
+    "ai": "7.0.64"
   },
@@ -37,0 +37,0 @@ "devDependencies": {

src/chat.react.ts

@@ -10,2 +10,19 @@ import {
 
+function cloneMetadata<METADATA>(metadata: METADATA): METADATA {
+  if (Array.isArray(metadata)) {
+    return [...metadata] as METADATA;
+  }
+
+  if (
+    metadata != null &&
+    typeof metadata === 'object' &&
+    (Object.getPrototypeOf(metadata) === Object.prototype ||
+      Object.getPrototypeOf(metadata) === null)
+  ) {
+    return { ...metadata } as METADATA;
+  }
+
+  return metadata;
+}
+
 class ReactChatState<
@@ -66,3 +83,2 @@ UI_MESSAGE extends UIMessage,
       ...this.#messages.slice(0, index),
-      // We deep clone the message here to ensure the new React Compiler (currently in RC) detects deeply nested parts/metadata changes:
       this.snapshot(message),
@@ -74,4 +90,25 @@ ...this.#messages.slice(index + 1),
 
-  snapshot = <T>(value: T): T => structuredClone(value);
+  snapshot = <T>(value: T): T => {
+    if (
+      value == null ||
+      typeof value !== 'object' ||
+      !('parts' in value) ||
+      !Array.isArray(value.parts)
+    ) {
+      return value;
+    }
 
+    const message = value as UI_MESSAGE;
+    const snapshot = {
+      ...message,
+      parts: message.parts.map(part => ({ ...part })),
+    };
+
+    if ('metadata' in message) {
+      snapshot.metadata = cloneMetadata(message.metadata);
+    }
+
+    return snapshot as T;
+  };
+
   '~registerMessagesCallback' = (
@@ -78,0 +115,0 @@ onChange: () => void,

No alert changes

Improved metrics

Total package byte prevSize

308065

0.85%

Lines of code

3809

1.38%

Dependency changes

• + Added

  @ai-sdk/gateway@4.0.51
  (transitive)

• + Added

  ai@7.0.64
  (transitive)

• - Removed

  @ai-sdk/gateway@4.0.50
  (transitive)

• - Removed

  ai@7.0.63
  (transitive)

• Updated

  ai@7.0.64