refactor(frontend): 空/エラー結果表示をコンポーネント化 (#15963)

* wip

* wip

* wip

* wip

* wip

* Update MkResult.vue

* Add storybook story for MkResult (#15964)

* Update MkResult.vue

---------

Co-authored-by: taichan <40626578+tai-cha@users.noreply.github.com>

13 files changed, 114 insertions, 54 deletions

diff --git a/packages/frontend/src/components/MkChannelList.vue b/packages/frontend/src/components/MkChannelList.vue
index fdb7d2a1c4..d0b50f04f2 100644
--- a/packages/frontend/src/components/MkChannelList.vue
+++ b/packages/frontend/src/components/MkChannelList.vue
@@ -5,12 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <MkPagination :pagination="pagination">
-	<template #empty>
-		<div class="_fullinfo">
-			<img :src="infoImageUrl" draggable="false"/>
-			<div>{{ i18n.ts.notFound }}</div>
-		</div>
-	</template>
+	<template #empty><MkResult type="empty"/></template>
 
 	<template #default="{ items }">
 		<MkChannelPreview v-for="item in items" :key="item.id" class="_margin" :channel="extractor(item)"/>
@@ -23,7 +18,6 @@ import type { Paging } from '@/components/MkPagination.vue';
 import MkChannelPreview from '@/components/MkChannelPreview.vue';
 import MkPagination from '@/components/MkPagination.vue';
 import { i18n } from '@/i18n.js';
-import { infoImageUrl } from '@/instance.js';
 
 const props = withDefaults(defineProps<{
 	pagination: Paging;
diff --git a/packages/frontend/src/components/MkChatHistories.vue b/packages/frontend/src/components/MkChatHistories.vue
index c508ea8451..b33ed428c7 100644
--- a/packages/frontend/src/components/MkChatHistories.vue
+++ b/packages/frontend/src/components/MkChatHistories.vue
@@ -28,9 +28,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		</div>
 	</MkA>
 </div>
-<div v-if="!initializing && history.length == 0" class="_fullinfo">
-	<div>{{ i18n.ts._chat.noHistory }}</div>
-</div>
+<MkResult v-if="!initializing && history.length == 0" type="empty" :text="i18n.ts._chat.noHistory"/>
 <MkLoading v-if="initializing"/>
 </template>
 
diff --git a/packages/frontend/src/components/MkFormDialog.vue b/packages/frontend/src/components/MkFormDialog.vue
index 0884cdc016..6ac4441cac 100644
--- a/packages/frontend/src/components/MkFormDialog.vue
+++ b/packages/frontend/src/components/MkFormDialog.vue
@@ -62,10 +62,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				/>
 			</template>
 		</div>
-		<div v-else class="_fullinfo">
-			<img :src="infoImageUrl" draggable="false"/>
-			<div>{{ i18n.ts.nothing }}</div>
-		</div>
+		<MkResult v-else type="empty"/>
 	</div>
 </MkModalWindow>
 </template>
@@ -83,7 +80,6 @@ import XFile from './MkFormDialog.file.vue';
 import type { Form } from '@/utility/form.js';
 import MkModalWindow from '@/components/MkModalWindow.vue';
 import { i18n } from '@/i18n.js';
-import { infoImageUrl } from '@/instance.js';
 
 const props = defineProps<{
 	title: string;
diff --git a/packages/frontend/src/components/MkNotes.vue b/packages/frontend/src/components/MkNotes.vue
index 9d862a4eac..509099e0b9 100644
--- a/packages/frontend/src/components/MkNotes.vue
+++ b/packages/frontend/src/components/MkNotes.vue
@@ -5,12 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <MkPagination ref="pagingComponent" :pagination="pagination" :disableAutoLoad="disableAutoLoad">
-	<template #empty>
-		<div class="_fullinfo">
-			<img :src="infoImageUrl" draggable="false"/>
-			<div>{{ i18n.ts.noNotes }}</div>
-		</div>
-	</template>
+	<template #empty><MkResult type="empty" :text="i18n.ts.noNotes"/></template>
 
 	<template #default="{ items: notes }">
 		<div :class="[$style.root, { [$style.noGap]: noGap, '_gaps': !noGap, [$style.reverse]: pagination.reversed }]">
@@ -34,7 +29,6 @@ import type { Paging } from '@/components/MkPagination.vue';
 import MkNote from '@/components/MkNote.vue';
 import MkPagination from '@/components/MkPagination.vue';
 import { i18n } from '@/i18n.js';
-import { infoImageUrl } from '@/instance.js';
 
 const props = defineProps<{
 	pagination: Paging;
diff --git a/packages/frontend/src/components/MkNotification.vue b/packages/frontend/src/components/MkNotification.vue
index 9672efca0a..21104b41df 100644
--- a/packages/frontend/src/components/MkNotification.vue
+++ b/packages/frontend/src/components/MkNotification.vue
@@ -11,7 +11,6 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<div v-else-if="notification.type === 'reaction:grouped' && notification.note.reactionAcceptance === 'likeOnly'" :class="[$style.icon, $style.icon_reactionGroupHeart]"><i class="ti ti-heart" style="line-height: 1;"></i></div>
 		<div v-else-if="notification.type === 'reaction:grouped'" :class="[$style.icon, $style.icon_reactionGroup]"><i class="ti ti-plus" style="line-height: 1;"></i></div>
 		<div v-else-if="notification.type === 'renote:grouped'" :class="[$style.icon, $style.icon_renoteGroup]"><i class="ti ti-repeat" style="line-height: 1;"></i></div>
-		<img v-else-if="notification.type === 'test'" :class="$style.icon" :src="infoImageUrl"/>
 		<MkAvatar v-else-if="'user' in notification" :class="$style.icon" :user="notification.user" link preview/>
 		<img v-else-if="'icon' in notification && notification.icon != null" :class="[$style.icon, $style.icon_app]" :src="notification.icon" alt=""/>
 		<div
@@ -176,7 +175,6 @@ import { userPage } from '@/filters/user.js';
 import { i18n } from '@/i18n.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { ensureSignin } from '@/i.js';
-import { infoImageUrl } from '@/instance.js';
 
 const $i = ensureSignin();
 
diff --git a/packages/frontend/src/components/MkNotifications.vue b/packages/frontend/src/components/MkNotifications.vue
index 308a077bd9..3c88b8af0d 100644
--- a/packages/frontend/src/components/MkNotifications.vue
+++ b/packages/frontend/src/components/MkNotifications.vue
@@ -6,12 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <component :is="prefer.s.enablePullToRefresh ? MkPullToRefresh : 'div'" :refresher="() => reload()">
 	<MkPagination ref="pagingComponent" :pagination="pagination">
-		<template #empty>
-			<div class="_fullinfo">
-				<img :src="infoImageUrl" draggable="false"/>
-				<div>{{ i18n.ts.noNotifications }}</div>
-			</div>
-		</template>
+		<template #empty><MkResult type="empty" :text="i18n.ts.noNotifications"/></template>
 
 		<template #default="{ items: notifications }">
 			<component
@@ -42,7 +37,6 @@ import XNotification from '@/components/MkNotification.vue';
 import MkNote from '@/components/MkNote.vue';
 import { useStream } from '@/stream.js';
 import { i18n } from '@/i18n.js';
-import { infoImageUrl } from '@/instance.js';
 import MkPullToRefresh from '@/components/MkPullToRefresh.vue';
 import { prefer } from '@/preferences.js';
 
diff --git a/packages/frontend/src/components/MkPagination.vue b/packages/frontend/src/components/MkPagination.vue
index 9adc3d98da..54da5a889d 100644
--- a/packages/frontend/src/components/MkPagination.vue
+++ b/packages/frontend/src/components/MkPagination.vue
@@ -16,12 +16,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<MkError v-else-if="error" @retry="init()"/>
 
 	<div v-else-if="empty" key="_empty_">
-		<slot name="empty">
-			<div class="_fullinfo">
-				<img :src="infoImageUrl" draggable="false"/>
-				<div>{{ i18n.ts.nothing }}</div>
-			</div>
-		</slot>
+		<slot name="empty"><MkResult type="empty"/></slot>
 	</div>
 
 	<div v-else ref="rootEl" class="_gaps">
@@ -88,7 +83,6 @@ function concatMapWithArray(map: MisskeyEntityMap, entities: MisskeyEntity[]): M
 
 </script>
 <script lang="ts" setup>
-import { infoImageUrl } from '@/instance.js';
 import MkButton from '@/components/MkButton.vue';
 
 const props = withDefaults(defineProps<{
diff --git a/packages/frontend/src/components/MkTimeline.vue b/packages/frontend/src/components/MkTimeline.vue
index e2c261787b..6a265aa836 100644
--- a/packages/frontend/src/components/MkTimeline.vue
+++ b/packages/frontend/src/components/MkTimeline.vue
@@ -6,12 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <component :is="prefer.s.enablePullToRefresh ? MkPullToRefresh : 'div'" :refresher="() => reloadTimeline()">
 	<MkPagination v-if="paginationQuery" ref="pagingComponent" :pagination="paginationQuery" @queue="emit('queue', $event)">
-		<template #empty>
-			<div class="_fullinfo">
-				<img :src="infoImageUrl" draggable="false"/>
-				<div>{{ i18n.ts.noNotes }}</div>
-			</div>
-		</template>
+		<template #empty><MkResult type="empty" :text="i18n.ts.noNotes"/></template>
 
 		<template #default="{ items: notes }">
 			<component
@@ -53,7 +48,6 @@ import { prefer } from '@/preferences.js';
 import MkNote from '@/components/MkNote.vue';
 import MkPagination from '@/components/MkPagination.vue';
 import { i18n } from '@/i18n.js';
-import { infoImageUrl } from '@/instance.js';
 
 const props = withDefaults(defineProps<{
 	src: BasicTimelineType | 'mentions' | 'directs' | 'list' | 'antenna' | 'channel' | 'role';
diff --git a/packages/frontend/src/components/MkUserList.vue b/packages/frontend/src/components/MkUserList.vue
index 0d1ffd715f..90087cb000 100644
--- a/packages/frontend/src/components/MkUserList.vue
+++ b/packages/frontend/src/components/MkUserList.vue
@@ -5,12 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <MkPagination :pagination="pagination">
-	<template #empty>
-		<div class="_fullinfo">
-			<img :src="infoImageUrl" draggable="false"/>
-			<div>{{ i18n.ts.noUsers }}</div>
-		</div>
-	</template>
+	<template #empty><MkResult type="empty" :text="i18n.ts.noUsers"/></template>
 
 	<template #default="{ items }">
 		<div :class="$style.root">
@@ -25,7 +20,6 @@ import type { Paging } from '@/components/MkPagination.vue';
 import MkUserInfo from '@/components/MkUserInfo.vue';
 import MkPagination from '@/components/MkPagination.vue';
 import { i18n } from '@/i18n.js';
-import { infoImageUrl } from '@/instance.js';
 
 const props = withDefaults(defineProps<{
 	pagination: Paging;
diff --git a/packages/frontend/src/components/global/MkError.vue b/packages/frontend/src/components/global/MkError.vue
index 95ed255189..bc3a282e40 100644
--- a/packages/frontend/src/components/global/MkError.vue
+++ b/packages/frontend/src/components/global/MkError.vue
@@ -6,7 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <Transition :name="prefer.s.animation ? '_transition_zoom' : ''" appear>
 	<div :class="$style.root">
-		<img :class="$style.img" :src="serverErrorImageUrl" draggable="false"/>
+		<img v-if="instance.serverErrorImageUrl" :class="$style.img" :src="instance.serverErrorImageUrl" draggable="false"/>
 		<p :class="$style.text"><i class="ti ti-alert-triangle"></i> {{ i18n.ts.somethingHappened }}</p>
 		<MkButton :class="$style.button" @click="() => emit('retry')">{{ i18n.ts.retry }}</MkButton>
 	</div>
@@ -17,7 +17,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 import MkButton from '@/components/MkButton.vue';
 import { i18n } from '@/i18n.js';
 import { prefer } from '@/preferences.js';
-import { serverErrorImageUrl } from '@/instance.js';
+import { instance } from '@/instance.js';
 
 const emit = defineEmits<{
 	(ev: 'retry'): void;
diff --git a/packages/frontend/src/components/global/MkResult.stories.impl.ts b/packages/frontend/src/components/global/MkResult.stories.impl.ts
new file mode 100644
index 0000000000..05f8c9069b
--- /dev/null
+++ b/packages/frontend/src/components/global/MkResult.stories.impl.ts
@@ -0,0 +1,57 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import MkResult from './MkResult.vue';
+import type { StoryObj } from '@storybook/vue3';
+export const Default = {
+	render(args) {
+		return {
+			components: {
+				MkResult,
+			},
+			setup() {
+				return {
+					args,
+				};
+			},
+			computed: {
+				props() {
+					return {
+						...this.args,
+					};
+				},
+			},
+			template: '<MkResult v-bind="props" />',
+		};
+	},
+	args: {
+		type: 'empty',
+		text: 'Lorem Ipsum',
+	},
+	parameters: {
+		layout: 'centered',
+	},
+} satisfies StoryObj<typeof MkResult>;
+export const emptyWithNoText = {
+	...Default,
+	args: {
+		...Default.args,
+		text: undefined,
+	},
+} satisfies StoryObj<typeof MkResult>;
+export const notFound = {
+	...Default,
+	args: {
+		...Default.args,
+		type: 'notFound',
+	},
+} satisfies StoryObj<typeof MkResult>;
+export const errorType = {
+	...Default,
+	args: {
+		...Default.args,
+		type: 'error',
+	},
+} satisfies StoryObj<typeof MkResult>;
diff --git a/packages/frontend/src/components/global/MkResult.vue b/packages/frontend/src/components/global/MkResult.vue
new file mode 100644
index 0000000000..51cf8a860a
--- /dev/null
+++ b/packages/frontend/src/components/global/MkResult.vue
@@ -0,0 +1,44 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div :class="[$style.root]" class="_gaps">
+	<img v-if="type === 'empty' && instance.infoImageUrl" :src="instance.infoImageUrl" draggable="false" :class="$style.img"/>
+	<i v-else-if="type === 'empty'" class="ti ti-info-circle" :class="$style.icon"></i>
+	<div>{{ props.text ?? (type === 'empty' ? i18n.ts.nothing : type === 'notFound' ? i18n.ts.notFound : null) }}</div>
+	<slot></slot>
+</div>
+</template>
+
+<script lang="ts" setup>
+import {} from 'vue';
+import { instance } from '@/instance.js';
+import { i18n } from '@/i18n.js';
+
+const props = defineProps<{
+	type: 'empty' | 'notFound' | 'error';
+	text?: string;
+}>();
+</script>
+
+<style lang="scss" module>
+.root {
+	position: relative;
+	text-align: center;
+	padding: 32px;
+}
+
+.img {
+	vertical-align: bottom;
+	height: 128px;
+	margin-bottom: 16px;
+	border-radius: 16px;
+}
+
+.icon {
+	font-size: 24px;
+	margin: 0 auto;
+}
+</style>
diff --git a/packages/frontend/src/components/index.ts b/packages/frontend/src/components/index.ts
index ec6ea7c569..33d3532c1d 100644
--- a/packages/frontend/src/components/index.ts
+++ b/packages/frontend/src/components/index.ts
@@ -24,6 +24,7 @@ import MkAd from './global/MkAd.vue';
 import MkPageHeader from './global/MkPageHeader.vue';
 import MkStickyContainer from './global/MkStickyContainer.vue';
 import MkLazy from './global/MkLazy.vue';
+import MkResult from './global/MkResult.vue';
 import PageWithHeader from './global/PageWithHeader.vue';
 import PageWithAnimBg from './global/PageWithAnimBg.vue';
 import SearchMarker from './global/SearchMarker.vue';
@@ -61,6 +62,7 @@ export const components = {
 	MkPageHeader: MkPageHeader,
 	MkStickyContainer: MkStickyContainer,
 	MkLazy: MkLazy,
+	MkResult: MkResult,
 	PageWithHeader: PageWithHeader,
 	PageWithAnimBg: PageWithAnimBg,
 	SearchMarker: SearchMarker,
@@ -92,6 +94,7 @@ declare module '@vue/runtime-core' {
 		MkPageHeader: typeof MkPageHeader;
 		MkStickyContainer: typeof MkStickyContainer;
 		MkLazy: typeof MkLazy;
+		MkResult: typeof MkResult;
 		PageWithHeader: typeof PageWithHeader;
 		PageWithAnimBg: typeof PageWithAnimBg;
 		SearchMarker: typeof SearchMarker;