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enhance: Unicode絵文字名逆引き効率化 (#9757)

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* Unicode絵文字名前取得を連想配列で行う

* Unicode絵文字事前カテゴリ集計

* Mapを使用

* Update packages/frontend/src/scripts/emojilist.ts

Co-authored-by: Acid Chicken (硫酸鶏) <root@acid-chicken.com>

---------

Co-authored-by: tamaina <tamaina@hotmail.co.jp>
Co-authored-by: Acid Chicken (硫酸鶏) <root@acid-chicken.com>
This commit is contained in:
YS 2023-02-01 11:25:13 +09:00 • committed by GitHub
parent 671d21a2c1
commit 2a41f6c383
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2 changed files with 22 additions and 3 deletions
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21
packages/frontend/src/scripts/emojilist.ts
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@ -12,6 +12,25 @@ import _emojilist from '../emojilist.json';
export const emojilist = _emojilist as UnicodeEmojiDef[];
const _indexByChar = new Map<string, number>();
const _charGroupByCategory = new Map<string, string[]>();
emojilist.forEach((emo, i) => {
_indexByChar.set(emo.char, i);
if (_charGroupByCategory.has(emo.category)) {
_charGroupByCategory.get(emo.category)?.push(emo.char);
} else {
_charGroupByCategory.set(emo.category, [emo.char]);
}
});
export const emojiCharByCategory = _charGroupByCategory;
export function getEmojiName(char: string): string | undefined {
return emojilist.find(emo => emo.char === char)?.name;
const idx = _indexByChar.get(char);
if (typeof idx === 'undefined') {
return undefined;
} else {
return emojilist[idx].name;
}
}