分离ContextMenu的菜单体。

src/components/ContextMenu.tsx

@@ -1,7 +1,16 @@
 import { SwatchEntry } from 'color-module';
 import { useAtomValue, useSetAtom } from 'jotai';
 import { capitalize, size } from 'lodash-es';
-import { FC, MouseEvent, useCallback, useEffect, useMemo, useRef, useState } from 'react';
+import {
+  FC,
+  MouseEvent,
+  RefObject,
+  useCallback,
+  useEffect,
+  useMemo,
+  useRef,
+  useState,
+} from 'react';
 import { MaterialDesign2SchemeSource } from '../material-2-scheme';
 import {
   MaterialDesign3DynamicSchemeSource,
@@ -225,6 +234,45 @@ const Material3SchemeMenu: FC<ContextMenuItemProps> = ({ color, afterClick }) =>
   );
 };
 
+interface ContextMenuBodyProps {
+  color: string;
+  afterClick?: () => void;
+  x?: number;
+  y?: number;
+  ref?: RefObject<HTMLDivElement>;
+}
+
+export const ContextMenuBody: FC<ContextMenuBodyProps> = ({ color, afterClick, x, y, ref }) => {
+  const activeScheme = useActiveScheme();
+
+  const schemeMenu = useMemo(() => {
+    const sharedProps: ContextMenuItemProps = {
+      color,
+      afterClick,
+    };
+    switch (activeScheme?.type) {
+      case 'q_scheme':
+        return <QSchemeMenu {...sharedProps} />;
+      case 'swatch_scheme':
+        return <SwatchSchemeMenu {...sharedProps} />;
+      case 'material_2':
+        return <Material2SchemeMenu {...sharedProps} />;
+      case 'material_3':
+      case 'material_3_dynamic':
+        return <Material3SchemeMenu {...sharedProps} />;
+      default:
+        return null;
+    }
+  }, [activeScheme, color, afterClick]);
+
+  return (
+    <div className={styles.menu_body} ref={ref} style={{ top: y, left: x }}>
+      <SetPickerMenu color={color} afterClick={afterClick} />
+      {schemeMenu}
+    </div>
+  );
+};
+
 interface ContextMenuProps {
   color: string;
 }
@@ -236,7 +284,6 @@ const ContextMenu: FC<ContextMenuProps> = ({ color }) => {
   const containerRef = useRef<HTMLDivElement>(null);
   const triggerRef = useRef<HTMLButtonElement>(null);
   const menuRef = useRef<HTMLDivElement>(null);
-  const activeScheme = useActiveScheme();
 
   const handleOpenMenu = () => {
     if (isOpen) {
@@ -278,26 +325,6 @@ const ContextMenu: FC<ContextMenuProps> = ({ color }) => {
     [handleCloseMenu, isOpen],
   );
 
-  const schemeMenu = useMemo(() => {
-    const sharedProps: ContextMenuItemProps = {
-      color,
-      afterClick: handleCloseMenu,
-    };
-    switch (activeScheme?.type) {
-      case 'q_scheme':
-        return <QSchemeMenu {...sharedProps} />;
-      case 'swatch_scheme':
-        return <SwatchSchemeMenu {...sharedProps} />;
-      case 'material_2':
-        return <Material2SchemeMenu {...sharedProps} />;
-      case 'material_3':
-      case 'material_3_dynamic':
-        return <Material3SchemeMenu {...sharedProps} />;
-      default:
-        return null;
-    }
-  }, [activeScheme]);
-
   useEffect(() => {
     if (isOpen && menuRef.current && containerRef.current && triggerRef.current) {
       const menuElemenet = menuRef.current;
@@ -348,13 +375,13 @@ const ContextMenu: FC<ContextMenuProps> = ({ color }) => {
         ref={triggerRef}
       />
       {isOpen && (
-        <div
-          className={styles.menu_body}
+        <ContextMenuBody
+          color={color}
+          afterClick={handleCloseMenu}
+          x={renderPosition.x}
+          y={renderPosition.y}
           ref={menuRef}
-          style={{ top: renderPosition.y, left: renderPosition.x }}>
-          <SetPickerMenu color={color} afterClick={handleCloseMenu} />
-          {schemeMenu}
-        </div>
+        />
       )}
     </div>
   );