refactor(frontend): menuのdividerをnullで表現するのをやめる

packages/frontend/src/components/MkDrive.vue

@@ -616,7 +616,7 @@ function getMenu() {
 		type: 'switch',
 		text: i18n.ts.keepOriginalUploading,
 		ref: keepOriginal,
-	}, null, {
+	}, { type: 'divider' }, {
 		text: i18n.ts.addFile,
 		type: 'label',
 	}, {
@@ -627,7 +627,7 @@ function getMenu() {
 		text: i18n.ts.fromUrl,
 		icon: 'ti ti-link',
 		action: () => { urlUpload(); },
-	}, null, {
+	}, { type: 'divider' }, {
 		text: folder.value ? folder.value.name : i18n.ts.drive,
 		type: 'label',
 	}, folder.value ? {

packages/frontend/src/components/MkMenu.vue

@@ -13,7 +13,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		@contextmenu.self="e => e.preventDefault()"
 	>
 		<template v-for="(item, i) in items2">
-			<div v-if="item === null" role="separator" :class="$style.divider"></div>
+			<div v-if="item.type === 'divider'" role="separator" :class="$style.divider"></div>
 			<span v-else-if="item.type === 'label'" role="menuitem" :class="[$style.label, $style.item]">
 				<span>{{ item.text }}</span>
 			</span>

packages/frontend/src/components/MkNote.vue

@@ -464,7 +464,7 @@ function showRenoteMenu(viaKeyboard = false): void {
 		pleaseLogin();
 		os.popupMenu([
 			getCopyNoteLinkMenu(note.value, i18n.ts.copyLinkRenote),
-			null,
+			{ type: 'divider' },
 			getUnrenote(),
 		], renoteTime.value, {
 			viaKeyboard: viaKeyboard,
@@ -472,7 +472,7 @@ function showRenoteMenu(viaKeyboard = false): void {
 	} else {
 		os.popupMenu([
 			getCopyNoteLinkMenu(note.value, i18n.ts.copyLinkRenote),
-			null,
+			{ type: 'divider' },
 			getAbuseNoteMenu(note.value, i18n.ts.reportAbuseRenote),
 			$i.isModerator || $i.isAdmin ? getUnrenote() : undefined,
 		], renoteTime.value, {

packages/frontend/src/components/MkPopupMenu.vue

@@ -13,7 +13,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 import { ref, shallowRef } from 'vue';
 import MkModal from './MkModal.vue';
 import MkMenu from './MkMenu.vue';
-import { MenuItem } from '@/types/menu';
+import { MenuItem } from '@/types/menu.js';
 
 defineProps<{
 	items: MenuItem[];

packages/frontend/src/components/MkVisitorDashboard.vue

@@ -103,7 +103,7 @@ function showMenu(ev) {
 		action: () => {
 			os.pageWindow('/about-misskey');
 		},
-	}, null, (instance.impressumUrl) ? {
+	}, { type: 'divider' }, (instance.impressumUrl) ? {
 		text: i18n.ts.impressum,
 		icon: 'ti ti-file-invoice',
 		action: () => {
@@ -121,7 +121,7 @@ function showMenu(ev) {
 		action: () => {
 			window.open(instance.privacyPolicyUrl, '_blank', 'noopener');
 		},
-	} : undefined, (!instance.impressumUrl && !instance.tosUrl && !instance.privacyPolicyUrl) ? undefined : null, {
+	} : undefined, (!instance.impressumUrl && !instance.tosUrl && !instance.privacyPolicyUrl) ? undefined : { type: 'divider' }, {
 		text: i18n.ts.help,
 		icon: 'ti ti-help-circle',
 		action: () => {