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[Glitch] Emoji Indexing and Search

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Port a1e8813522 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>
This commit is contained in:
Echo
2025-07-09 11:55:41 +02:00
committed by Claire
parent e2a867507c
commit c2d76e8994
9 changed files with 507 additions and 163 deletions
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78
app/javascript/flavours/glitch/features/emoji/normalize.ts
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@@ -1,19 +1,12 @@
// Utility codes
const VARIATION_SELECTOR_CODE = 0xfe0f;
const KEYCAP_CODE = 0x20e3;
// Gender codes
const GENDER_FEMALE_CODE = 0x2640;
const GENDER_MALE_CODE = 0x2642;
// Skin tone codes
const SKIN_TONE_CODES = [
0x1f3fb, // Light skin tone
0x1f3fc, // Medium-light skin tone
0x1f3fd, // Medium skin tone
0x1f3fe, // Medium-dark skin tone
0x1f3ff, // Dark skin tone
] as const;
import {
VARIATION_SELECTOR_CODE,
KEYCAP_CODE,
GENDER_FEMALE_CODE,
GENDER_MALE_CODE,
SKIN_TONE_CODES,
EMOJIS_WITH_DARK_BORDER,
EMOJIS_WITH_LIGHT_BORDER,
} from './constants';
// Misc codes that have special handling
const SKIER_CODE = 0x26f7;
@@ -24,6 +17,17 @@ const LEVITATING_PERSON_CODE = 0x1f574;
const SPEECH_BUBBLE_CODE = 0x1f5e8;
const MS_CLAUS_CODE = 0x1f936;
export function emojiToUnicodeHex(emoji: string): string {
const codes: number[] = [];
for (const char of emoji) {
const code = char.codePointAt(0);
if (code !== undefined) {
codes.push(code);
}
}
return hexNumbersToString(codes);
}
export function unicodeToTwemojiHex(unicodeHex: string): string {
const codes = hexStringToNumbers(unicodeHex);
const normalizedCodes: number[] = [];
@@ -50,6 +54,35 @@ export function unicodeToTwemojiHex(unicodeHex: string): string {
return hexNumbersToString(normalizedCodes, 0);
}
interface TwemojiBorderInfo {
hexCode: string;
hasLightBorder: boolean;
hasDarkBorder: boolean;
}
export const CODES_WITH_DARK_BORDER =
EMOJIS_WITH_DARK_BORDER.map(emojiToUnicodeHex);
export const CODES_WITH_LIGHT_BORDER =
EMOJIS_WITH_LIGHT_BORDER.map(emojiToUnicodeHex);
export function twemojiHasBorder(twemojiHex: string): TwemojiBorderInfo {
const normalizedHex = twemojiHex.toUpperCase();
let hasLightBorder = false;
let hasDarkBorder = false;
if (CODES_WITH_LIGHT_BORDER.includes(normalizedHex)) {
hasLightBorder = true;
}
if (CODES_WITH_DARK_BORDER.includes(normalizedHex)) {
hasDarkBorder = true;
}
return {
hexCode: normalizedHex,
hasLightBorder,
hasDarkBorder,
};
}
interface TwemojiSpecificEmoji {
unqualified?: string;
gender?: number;
@@ -84,11 +117,16 @@ export function twemojiToUnicodeInfo(
let gender: undefined | number;
let skin: undefined | number;
for (const code of codes) {
if (code in GENDER_CODES_MAP) {
if (!gender && code in GENDER_CODES_MAP) {
gender = GENDER_CODES_MAP[code];
} else if (code in SKIN_TONE_CODES) {
} else if (!skin && code in SKIN_TONE_CODES) {
skin = code;
}
// Exit if we have both skin and gender
if (skin && gender) {
break;
}
}
let mappedCodes: unknown[] = codes;
@@ -103,8 +141,8 @@ export function twemojiToUnicodeInfo(
// For key emoji, insert the variation selector
mappedCodes = [codes[0], VARIATION_SELECTOR_CODE, KEYCAP_CODE];
} else if (
codes.at(0) === SKIER_CODE ||
codes.at(0) === LEVITATING_PERSON_CODE
(codes.at(0) === SKIER_CODE || codes.at(0) === LEVITATING_PERSON_CODE) &&
codes.length > 1
) {
// Twemoji offers more gender and skin options for the skier and levitating person emoji.
return {