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>

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;

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>;

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>