feat(chat-sdk/chatitem): 消息支持导出图表图片

webapp/packages/chat-sdk/src/hooks/useMethodRegister.ts

@@ -0,0 +1,25 @@
+import { useCallback, useRef } from 'react';
+
+export const useMethodRegister = (fallback?: (...args: any[]) => any) => {
+  const methodStore = useRef<Map<string, (...args: any[]) => any>>(new Map());
+
+  const register = useCallback<(key: string, method: (...args: any[]) => any) => any>(
+    (key, method) => {
+      methodStore.current.set(key, method);
+    },
+    [methodStore]
+  );
+
+  const call = useCallback<(key: string, ...args: any[]) => any>(
+    (key, ...args) => {
+      const method = methodStore.current.get(key);
+      if (method) {
+        return method(...args);
+      }
+      return fallback?.(...args);
+    },
+    [methodStore]
+  );
+
+  return { register, call };
+};