diff --git a/packages/frontend/src/types/menu.ts b/packages/frontend/src/types/menu.ts
index fae7370341..6f2f08cb6d 100644
--- a/packages/frontend/src/types/menu.ts
+++ b/packages/frontend/src/types/menu.ts
@@ -4,10 +4,10 @@
  */
 
 import * as Misskey from 'misskey-js';
-import type { Component, ComputedRef, Ref } from 'vue';
+import type { Component, ComputedRef, Ref, MaybeRef } from 'vue';
 import type { ComponentProps as CP } from 'vue-component-type-helpers';
 
-type ComponentProps<T extends Component> = { [K in keyof CP<T>]: CP<T>[K] | Ref<CP<T>[K]> };
+type ComponentProps<T extends Component> = { [K in keyof CP<T>]: MaybeRef<CP<T>[K]> };
 
 type MenuRadioOptionsDef = Record<string, any>;
 
@@ -15,22 +15,107 @@ type Text = string | ComputedRef<string>;
 
 export type MenuAction = (ev: MouseEvent) => void;
 
-export type MenuDivider = { type: 'divider' };
-export type MenuNull = undefined;
-export type MenuLabel = { type: 'label', text: Text, caption?: Text };
-export type MenuLink = { type: 'link', to: string, text: Text, caption?: Text, icon?: string, indicate?: boolean, avatar?: Misskey.entities.User };
-export type MenuA = { type: 'a', href: string, target?: string, download?: string, text: Text, caption?: Text, icon?: string, indicate?: boolean };
-export type MenuUser = { type: 'user', user: Misskey.entities.User, active?: boolean, indicate?: boolean, action: MenuAction };
-export type MenuSwitch = { type: 'switch', ref: Ref<boolean>, text: Text, caption?: Text, icon?: string, disabled?: boolean | Ref<boolean> };
-export type MenuButton = { type?: 'button', text: Text, caption?: Text, icon?: string, indicate?: boolean, danger?: boolean, active?: boolean | ComputedRef<boolean>, avatar?: Misskey.entities.User; action: MenuAction };
-export type MenuRadio = { type: 'radio', text: Text, caption?: Text, icon?: string, ref: Ref<MenuRadioOptionsDef[keyof MenuRadioOptionsDef]>, options: MenuRadioOptionsDef, disabled?: boolean | Ref<boolean> };
-export type MenuRadioOption = { type: 'radioOption', text: Text, caption?: Text, action: MenuAction; active?: boolean | ComputedRef<boolean> };
-export type MenuComponent<T extends Component = any> = { type: 'component', component: T, props?: ComponentProps<T> };
-export type MenuParent = { type: 'parent', text: Text, caption?: Text, icon?: string, children: MenuItem[] | (() => Promise<MenuItem[]> | MenuItem[]) };
+export interface MenuButton {
+	type?: 'button';
+	text: Text;
+	caption?: Text;
+	icon?: string;
+	indicate?: boolean;
+	danger?: boolean;
+	active?: boolean | ComputedRef<boolean>;
+	avatar?: Misskey.entities.User;
+	action: MenuAction;
+}
 
-export type MenuPending = { type: 'pending' };
+interface MenuBase {
+	type: string;
+}
 
-type OuterMenuItem = MenuDivider | MenuNull | MenuLabel | MenuLink | MenuA | MenuUser | MenuSwitch | MenuButton | MenuRadio | MenuRadioOption | MenuComponent | MenuParent;
+export interface MenuDivider extends MenuBase {
+	type: 'divider';
+}
+
+export interface MenuLabel extends MenuBase {
+	type: 'label';
+	text: Text;
+	caption?: Text;
+}
+
+export interface MenuLink extends MenuBase {
+	type: 'link';
+	to: string;
+	text: Text;
+	caption?: Text;
+	icon?: string;
+	indicate?: boolean;
+	avatar?: Misskey.entities.User;
+}
+
+export interface MenuA extends MenuBase {
+	type: 'a';
+	href: string;
+	target?: string;
+	download?: string;
+	text: Text;
+	caption?: Text;
+	icon?: string;
+	indicate?: boolean;
+}
+
+export interface MenuUser extends MenuBase {
+	type: 'user';
+	user: Misskey.entities.User;
+	active?: boolean;
+	indicate?: boolean;
+	action: MenuAction;
+}
+
+export interface MenuSwitch extends MenuBase {
+	type: 'switch';
+	ref: Ref<boolean>;
+	text: Text;
+	caption?: Text;
+	icon?: string;
+	disabled?: boolean | Ref<boolean>;
+}
+
+export interface MenuRadio extends MenuBase {
+	type: 'radio';
+	text: Text;
+	caption?: Text;
+	icon?: string;
+	ref: Ref<MenuRadioOptionsDef[keyof MenuRadioOptionsDef]>;
+	options: MenuRadioOptionsDef;
+	disabled?: boolean | Ref<boolean>;
+}
+
+export interface MenuRadioOption extends MenuBase {
+	type: 'radioOption';
+	text: Text;
+	caption?: Text;
+	action: MenuAction;
+	active?: boolean | ComputedRef<boolean>;
+}
+
+export interface MenuComponent<T extends Component = any> extends MenuBase {
+	type: 'component';
+	component: T;
+	props?: ComponentProps<T>;
+}
+
+export interface MenuParent extends MenuBase {
+	type: 'parent';
+	text: Text;
+	caption?: Text;
+	icon?: string;
+	children: MenuItem[] | (() => Promise<MenuItem[]> | MenuItem[]);
+}
+
+export interface MenuPending extends MenuBase {
+	type: 'pending';
+}
+
+type OuterMenuItem = MenuDivider | MenuLabel | MenuLink | MenuA | MenuUser | MenuSwitch | MenuButton | MenuRadio | MenuRadioOption | MenuComponent | MenuParent;
 type OuterPromiseMenuItem = Promise<MenuLabel | MenuLink | MenuA | MenuUser | MenuSwitch | MenuButton | MenuComponent | MenuParent>;
 export type MenuItem = OuterMenuItem | OuterPromiseMenuItem;
 export type InnerMenuItem = MenuDivider | MenuPending | MenuLabel | MenuLink | MenuA | MenuUser | MenuSwitch | MenuButton | MenuRadio | MenuRadioOption | MenuComponent | MenuParent;