mirror of
https://github.com/misskey-dev/misskey.git
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74 lines
2.5 KiB
TypeScript
74 lines
2.5 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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export const unicodeEmojiCategories = ['face', 'people', 'animals_and_nature', 'food_and_drink', 'activity', 'travel_and_places', 'objects', 'symbols', 'flags'] as const;
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export type UnicodeEmojiDef = {
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name: string;
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char: string;
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category: typeof unicodeEmojiCategories[number];
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}
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// initial converted from https://github.com/muan/emojilib/commit/242fe68be86ed6536843b83f7e32f376468b38fb
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import _emojilist from './emojilist.json';
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export const emojilist: UnicodeEmojiDef[] = _emojilist.map(x => ({
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name: x[1] as string,
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char: x[0] as string,
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category: unicodeEmojiCategories[x[2] as number],
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}));
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const unicodeEmojisMap = new Map<string, UnicodeEmojiDef>(
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emojilist.map(x => [x.char, x]),
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);
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const _indexByChar = new Map<string, number>();
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const _charGroupByCategory = new Map<string, string[]>();
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for (let i = 0; i < emojilist.length; i++) {
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const emo = emojilist[i];
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_indexByChar.set(emo.char, i);
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if (_charGroupByCategory.has(emo.category)) {
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_charGroupByCategory.get(emo.category)?.push(emo.char);
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} else {
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_charGroupByCategory.set(emo.category, [emo.char]);
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}
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}
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export const emojiCharByCategory = _charGroupByCategory;
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export function getUnicodeEmoji(char: string): UnicodeEmojiDef | string {
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// Colorize it because emojilist.json assumes that
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return unicodeEmojisMap.get(colorizeEmoji(char))
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// カラースタイル絵文字がjsonに無い場合はテキストスタイル絵文字にフォールバックする
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?? unicodeEmojisMap.get(char)
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// それでも見つからない場合はそのまま返す(絵文字情報がjsonに無い場合、このフォールバックが無いとレンダリングに失敗する)
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?? char;
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}
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export function getEmojiName(char: string): string {
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// Colorize it because emojilist.json assumes that
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const idx = _indexByChar.get(colorizeEmoji(char)) ?? _indexByChar.get(char);
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if (idx === undefined) {
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// 絵文字情報がjsonに無い場合は名前の取得が出来ないのでそのまま返すしか無い
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return char;
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} else {
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return emojilist[idx].name;
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}
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}
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/**
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* テキストスタイル絵文字(U+260Eなどの1文字で表現される絵文字)をカラースタイル絵文字に変換します(VS16:U+FE0Fを付与)。
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*/
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export function colorizeEmoji(char: string) {
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return char.length === 1 ? `${char}\uFE0F` : char;
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}
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export interface CustomEmojiFolderTree {
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value: string;
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category: string;
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children: CustomEmojiFolderTree[];
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}
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