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import { autoPlayGif, useSystemEmojiFont } from 'flavours/glitch/util/initial_state';
import unicodeMapping from './emoji_unicode_mapping_light';
import Trie from 'substring-trie';
const trie = new Trie(Object.keys(unicodeMapping));
const assetHost = process.env.CDN_HOST || '';
// Convert to file names from emojis. (For different variation selector emojis)
const emojiFilenames = (emojis) => {
return emojis.map(v => unicodeMapping[v].filename);
};
// Emoji requiring extra borders depending on theme
const darkEmoji = emojiFilenames(['🎱', '🐜', '⚫', '🖤', '⬛', '◼️', '◾', '◼️', '✒️', '▪️', '💣', '🎳', '📷', '📸', '♣️', '🕶️', '✴️', '🔌', '💂♀️', '📽️', '🍳', '🦍', '💂', '🔪', '🕳️', '🕹️', '🕋', '🖊️', '🖋️', '💂♂️', '🎤', '🎓', '🎥', '🎼', '♠️', '🎩', '🦃', '📼', '📹', '🎮', '🐃', '🏴']);
const lightEmoji = emojiFilenames(['👽', '⚾', '🐔', '☁️', '💨', '🕊️', '👀', '🍥', '👻', '🐐', '❕', '❔', '⛸️', '🌩️', '🔊', '🔇', '📃', '🌧️', '🐏', '🍚', '🍙', '🐓', '🐑', '💀', '☠️', '🌨️', '🔉', '🔈', '💬', '💭', '🏐', '🏳️', '⚪', '⬜', '◽', '◻️', '▫️']);
const emojiFilename = (filename) => {
const borderedEmoji = (document.body && document.body.classList.contains('skin-mastodon-light')) ? lightEmoji : darkEmoji;
return borderedEmoji.includes(filename) ? (filename + '_border') : filename;
};
const emojify = (str, customEmojis = {}) => {
const tagCharsWithoutEmojis = '<&';
const tagCharsWithEmojis = Object.keys(customEmojis).length ? '<&:' : '<&';
let rtn = '', tagChars = tagCharsWithEmojis, invisible = 0;
for (;;) {
let match, i = 0, tag;
while (i < str.length && (tag = tagChars.indexOf(str[i])) === -1 && (invisible || useSystemEmojiFont || !(match = trie.search(str.slice(i))))) {
i += str.codePointAt(i) < 65536 ? 1 : 2;
}
let rend, replacement = '';
if (i === str.length) {
break;
} else if (str[i] === ':') {
if (!(() => {
rend = str.indexOf(':', i + 1) + 1;
if (!rend) return false; // no pair of ':'
const lt = str.indexOf('<', i + 1);
if (!(lt === -1 || lt >= rend)) return false; // tag appeared before closing ':'
const shortname = str.slice(i, rend);
// now got a replacee as ':shortname:'
// if you want additional emoji handler, add statements below which set replacement and return true.
if (shortname in customEmojis) {
const filename = autoPlayGif ? customEmojis[shortname].url : customEmojis[shortname].static_url;
replacement = `<img draggable="false" class="emojione custom-emoji" alt="${shortname}" title="${shortname}" src="${filename}" data-original="${customEmojis[shortname].url}" data-static="${customEmojis[shortname].static_url}" />`;
return true;
}
return false;
})()) rend = ++i;
} else if (tag >= 0) { // <, &
rend = str.indexOf('>;'[tag], i + 1) + 1;
if (!rend) {
break;
}
if (tag === 0) {
if (invisible) {
if (str[i + 1] === '/') { // closing tag
if (!--invisible) {
tagChars = tagCharsWithEmojis;
}
} else if (str[rend - 2] !== '/') { // opening tag
invisible++;
}
} else {
if (str.startsWith('<span class="invisible">', i)) {
// avoid emojifying on invisible text
invisible = 1;
tagChars = tagCharsWithoutEmojis;
}
}
}
i = rend;
} else if (!useSystemEmojiFont) { // matched to unicode emoji
const { filename, shortCode } = unicodeMapping[match];
const title = shortCode ? `:${shortCode}:` : '';
replacement = `<img draggable="false" class="emojione" alt="${match}" title="${title}" src="${assetHost}/emoji/${emojiFilename(filename)}.svg" />`;
rend = i + match.length;
// If the matched character was followed by VS15 (for selecting text presentation), skip it.
if (str.codePointAt(rend) === 65038) {
rend += 1;
}
}
rtn += str.slice(0, i) + replacement;
str = str.slice(rend);
}
return rtn + str;
};
export default emojify;
export { unicodeMapping };
export const buildCustomEmojis = (customEmojis) => {
const emojis = [];
customEmojis.forEach(emoji => {
const shortcode = emoji.get('shortcode');
const url = autoPlayGif ? emoji.get('url') : emoji.get('static_url');
const name = shortcode.replace(':', '');
emojis.push({
id: name,
name,
short_names: [name],
text: '',
emoticons: [],
keywords: [name],
imageUrl: url,
custom: true,
customCategory: emoji.get('category'),
});
});
return emojis;
};
export const categoriesFromEmojis = customEmojis => customEmojis.reduce((set, emoji) => set.add(emoji.get('category') ? `custom-${emoji.get('category')}` : 'custom'), new Set(['custom']));
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