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