From 2a41f6c383cc9963aa4a56efafd8dd50abd38709 Mon Sep 17 00:00:00 2001 From: YS <47836716+yszkst@users.noreply.github.com> Date: Wed, 1 Feb 2023 11:25:13 +0900 Subject: enhance: Unicode絵文字名逆引き効率化 (#9757) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * 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) --------- Co-authored-by: tamaina Co-authored-by: Acid Chicken (硫酸鶏) --- packages/frontend/src/scripts/emojilist.ts | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) (limited to 'packages/frontend/src/scripts') diff --git a/packages/frontend/src/scripts/emojilist.ts b/packages/frontend/src/scripts/emojilist.ts index bc52fa7a43..2e853b58b5 100644 --- a/packages/frontend/src/scripts/emojilist.ts +++ b/packages/frontend/src/scripts/emojilist.ts @@ -12,6 +12,25 @@ import _emojilist from '../emojilist.json'; export const emojilist = _emojilist as UnicodeEmojiDef[]; +const _indexByChar = new Map(); +const _charGroupByCategory = new Map(); +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; + } } -- cgit v1.2.3-freya