fix(frontend/emoji) restore U+FE0F for simple emojis (#12866)

* fix(frontend/emoji) restore U+FE0F for simple emojis

* Update CHANGELOG.md

---------

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

2 files changed, 10 insertions, 7 deletions

diff --git a/packages/frontend/src/components/global/MkEmoji.vue b/packages/frontend/src/components/global/MkEmoji.vue
index 76ca8688d1..f6b21343b6 100644
--- a/packages/frontend/src/components/global/MkEmoji.vue
+++ b/packages/frontend/src/components/global/MkEmoji.vue
@@ -5,15 +5,14 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <img v-if="!useOsNativeEmojis" :class="$style.root" :src="url" :alt="props.emoji" decoding="async" @pointerenter="computeTitle" @click="onClick"/>
-<span v-else-if="useOsNativeEmojis" :alt="props.emoji" @pointerenter="computeTitle" @click="onClick">{{ props.emoji }}</span>
-<span v-else>{{ emoji }}</span>
+<span v-else :alt="props.emoji" @pointerenter="computeTitle" @click="onClick">{{ colorizedNativeEmoji }}</span>
 </template>
 
 <script lang="ts" setup>
 import { computed, inject } from 'vue';
 import { char2twemojiFilePath, char2fluentEmojiFilePath } from '@/scripts/emoji-base.js';
 import { defaultStore } from '@/store.js';
-import { getEmojiName } from '@/scripts/emojilist.js';
+import { colorizeEmoji, getEmojiName } from '@/scripts/emojilist.js';
 import * as os from '@/os.js';
 import copyToClipboard from '@/scripts/copy-to-clipboard.js';
 import * as sound from '@/scripts/sound.js';
@@ -30,9 +29,8 @@ const react = inject<((name: string) => void) | null>('react', null);
 const char2path = defaultStore.state.emojiStyle === 'twemoji' ? char2twemojiFilePath : char2fluentEmojiFilePath;
 
 const useOsNativeEmojis = computed(() => defaultStore.state.emojiStyle === 'native');
-const url = computed(() => {
-	return char2path(props.emoji);
-});
+const url = computed(() => char2path(props.emoji));
+const colorizedNativeEmoji = computed(() => colorizeEmoji(props.emoji));
 
 // Searching from an array with 2000 items for every emoji felt like too energy-consuming, so I decided to do it lazily on pointerenter
 function computeTitle(event: PointerEvent): void {
diff --git a/packages/frontend/src/scripts/emojilist.ts b/packages/frontend/src/scripts/emojilist.ts
index 8885bf4b7f..4bd8bf94be 100644
--- a/packages/frontend/src/scripts/emojilist.ts
+++ b/packages/frontend/src/scripts/emojilist.ts
@@ -36,7 +36,8 @@ for (let i = 0; i < emojilist.length; i++) {
 export const emojiCharByCategory = _charGroupByCategory;
 
 export function getEmojiName(char: string): string | null {
-	const idx = _indexByChar.get(char);
+	// Colorize it because emojilist.json assumes that
+	const idx = _indexByChar.get(colorizeEmoji(char));
 	if (idx == null) {
 		return null;
 	} else {
@@ -44,6 +45,10 @@ export function getEmojiName(char: string): string | null {
 	}
 }
 
+export function colorizeEmoji(char: string) {
+	return char.length === 1 ? `${char}\uFE0F` : char;
+}
+
 export interface CustomEmojiFolderTree {
 	value: string;
 	category: string;