sharkey/packages/frontend-shared/js/emoji-base.ts
2024-11-07 07:48:15 +09:00

38 lines
1.6 KiB
TypeScript
Executable File

/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
const twemojiSvgBase = '/twemoji';
const fluentEmojiPngBase = '/fluent-emoji';
const tossfaceSvgBase = '/tossface';
export function char2twemojiFilePath(char: string): string {
let codes = Array.from(char, x => x.codePointAt(0)?.toString(16));
if (!codes.includes('200d')) codes = codes.filter(x => x !== 'fe0f');
codes = codes.filter(x => x && x.length);
const fileName = codes.join('-');
return `${twemojiSvgBase}/${fileName}.svg`;
}
export function char2fluentEmojiFilePath(char: string): string {
let codes = Array.from(char, x => x.codePointAt(0)?.toString(16));
// Fluent Emojiは国旗非対応 https://github.com/microsoft/fluentui-emoji/issues/25
if (codes[0]?.startsWith('1f1')) return char2twemojiFilePath(char);
if (!codes.includes('200d')) codes = codes.filter(x => x !== 'fe0f');
codes = codes.filter(x => x != null && x.length > 0);
const fileName = (codes as string[]).map(x => x.padStart(4, '0')).join('-');
return `${fluentEmojiPngBase}/${fileName}.png`;
}
export function char2tossfaceFilePath(char: string): string {
let codes = Array.from(char, x => x.codePointAt(0)?.toString(16));
// Twemoji is the only emoji font which still supports the shibuya 50 emoji to this day
if (codes[0]?.startsWith('e50a')) return char2twemojiFilePath(char);
// Tossface does not use the fe0f modifier
codes = codes.filter(x => x !== 'fe0f');
codes = codes.filter(x => x && x.length);
const fileName = codes.join('-');
return `${tossfaceSvgBase}/${fileName}.svg`;
}