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puyopuyotetr.is/app/javascript/mastodon/features/emoji/emoji_unicode_mapping_light.ts
2024-05-27 09:24:59 +00:00

64 lines
1.6 KiB
TypeScript

// A mapping of unicode strings to an object containing the filename
// (i.e. the svg filename) and a shortCode intended to be shown
// as a "title" attribute in an HTML element (aka tooltip).
import type {
FilenameData,
ShortCodesToEmojiDataKey,
} from './emoji_compressed';
import emojiCompressed from './emoji_compressed';
import { unicodeToFilename } from './unicode_to_filename';
type UnicodeMapping = {
[key in FilenameData[number][0]]: {
shortCode: ShortCodesToEmojiDataKey;
filename: FilenameData[number][number];
};
};
const [
shortCodesToEmojiData,
_skins,
_categories,
_short_names,
emojisWithoutShortCodes,
] = emojiCompressed;
// decompress
const unicodeMapping: UnicodeMapping = {};
function processEmojiMapData(
emojiMapData: FilenameData[number],
shortCode?: ShortCodesToEmojiDataKey,
) {
const [native, _filename] = emojiMapData;
let filename = emojiMapData[1];
if (!filename) {
// filename name can be derived from unicodeToFilename
filename = unicodeToFilename(native);
}
unicodeMapping[native] = {
shortCode,
filename,
};
}
Object.keys(shortCodesToEmojiData).forEach(
(shortCode: ShortCodesToEmojiDataKey) => {
if (shortCode === undefined) return;
const emojiData = shortCodesToEmojiData[shortCode];
if (!emojiData) return;
const [filenameData, _searchData] = emojiData;
filenameData.forEach((emojiMapData) => {
processEmojiMapData(emojiMapData, shortCode);
});
},
);
emojisWithoutShortCodes.forEach((emojiMapData) => {
processEmojiMapData(emojiMapData);
});
export { unicodeMapping };