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emojiKitchenベースのmix関数を追加

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Fairy-Phy 2023-09-16 22:16:47 +09:00 • committed by mattyatea
parent dd56446677
commit 61dad2ce35
5 changed files with 37278 additions and 21 deletions
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37031
packages/frontend/src/scripts/emojiKitchen/emojiData.ts Normal file
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packages/frontend/src/scripts/emojiKitchen/emojiMixer.ts Normal file
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import * as data from './emojiData';
const mixEmojiUrl = (r, c) => {
let padZeros = r < 20220500; // Revisions before 0522 had preceding zeros
c[0] = c[0].split(/-/g).map(s => padZeros ? s.padStart(4, "0") : s).join("-u");
c[1] = c[1].split(/-/g).map(s => padZeros ? s.padStart(4, "0") : s).join("-u");
return `https://www.gstatic.com/android/keyboard/emojikitchen/${r}/u${c[0]}/u${c[0]}_u${c[1]}.png`;
};
const convertBase = (value, from_base, to_base) => {
value = value.toString();
var range = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ+/'.split('');
var from_range = range.slice(0, from_base);
var to_range = range.slice(0, to_base);
var dec_value = value.split('').reverse().reduce(function (carry, digit, index) {
if (from_range.indexOf(digit) === -1) throw new Error('Invalid digit `' + digit + '` for base ' + from_base + '.');
return carry += from_range.indexOf(digit) * (Math.pow(from_base, index));
}, 0);
var new_value = '';
while (dec_value > 0) {
new_value = to_range[dec_value % to_base] + new_value;
dec_value = (dec_value - (dec_value % to_base)) / to_base;
}
return new_value || '0';
};
const hexEncodeEmoji = (chr) => {
if (chr.length !== 1) {
const hi = chr.charCodeAt(0);
const lo = chr.charCodeAt(1);
if (0xD800 <= hi && hi < 0xDC00 && 0xDC00 <= lo && lo < 0xE000) {
return (0x10000 + (hi - 0xD800) * 0x400 + (lo - 0xDC00)).toString(16);
}
return ("000" + hi.toString(16)).slice(-4) + '-' + ("000" + lo.toString(16)).slice(-4);
}
else {
return ("000" + chr.charCodeAt(0).toString(16)).slice(-4);
}
};
const pairsMatchingMap = match => {
const mv = match[0];
let [d, c1, c2] = mv.split('.');
c1 = data.points[convertBase(c1, 64, 10)];
c2 = data.points[convertBase(c2, 64, 10)];
d = data.revisions[convertBase(d, 64, 10)];
return mixEmojiUrl(d, [c1, c2]);
};
export const mixEmoji = (emoji1, emoji2) => {
const encordedEmoji1 = convertBase(data.points.indexOf(hexEncodeEmoji(emoji1)), 10, 64);
const encordedEmoji2 = convertBase(data.points.indexOf(hexEncodeEmoji(emoji2)), 10, 64);
return [
...data.pairs.matchAll(new RegExp("^.*\\." + encordedEmoji1 + "\\." + encordedEmoji2 + "\\.$", "gm")),
...data.pairs.matchAll(new RegExp("^.*\\." + encordedEmoji2 + "\\." + encordedEmoji1 + "\\.$", "gm"))
].map(pairsMatchingMap).pop();
};