78 lines
2.5 KiB
JavaScript
78 lines
2.5 KiB
JavaScript
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import { emojis } from './emoji';
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// Custom emoji are stored in one of three places:
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// - User emojis, which are stored in account data
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// - Room emojis, which are stored in state events in a room
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// - Emoji packs, which are rooms of emojis referenced in the account data or in a room's
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// cannonical space
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//
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// Emojis and packs referenced from within a user's account data should be available
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// globally, while emojis and packs in rooms and spaces should only be available within
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// those spaces and rooms
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// Retrieve a list of user emojis
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//
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// Result is a list of objects, each with a shortcode and an mxc property
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//
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// Accepts a reference to a matrix client as the only argument
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function getUserEmoji(mx) {
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const accountDataEmoji = mx.getAccountData('im.ponies.user_emotes');
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if (!accountDataEmoji) {
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return [];
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}
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const { images } = accountDataEmoji.event.content;
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const mapped = Object.entries(images).map((e) => ({
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shortcode: e[0],
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mxc: e[1].url,
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}));
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return mapped;
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}
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// Returns all user emojis and all standard unicode emojis
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//
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// Accepts a reference to a matrix client as the only argument
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//
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// Result is a map from shortcode to the corresponding emoji. If two emoji share a
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// shortcode, only one will be presented, with priority given to custom emoji.
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//
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// Will eventually be expanded to include all emojis revelant to a room and the user
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function getShortcodeToEmoji(mx) {
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const allEmoji = new Map();
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emojis.forEach((emoji) => {
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if (emoji.shortcodes.constructor.name === 'Array') {
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emoji.shortcodes.forEach((shortcode) => {
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allEmoji.set(shortcode, emoji);
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});
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} else {
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allEmoji.set(emoji.shortcodes, emoji);
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}
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});
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getUserEmoji(mx).forEach((emoji) => {
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allEmoji.set(emoji.shortcode, emoji);
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});
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return allEmoji;
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}
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// Produces a special list of emoji specifically for auto-completion
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//
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// This list contains each emoji once, with all emoji being deduplicated by shortcode.
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// However, the order of the standard emoji will have been preserved, and alternate
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// shortcodes for the standard emoji will not be considered.
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//
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// Standard emoji are guaranteed to be earlier in the list than custom emoji
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function getEmojiForCompletion(mx) {
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const allEmoji = new Map();
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getUserEmoji(mx).forEach((emoji) => {
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allEmoji.set(emoji.shortcode, emoji);
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});
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return emojis.filter((e) => !allEmoji.has(e.shortcode))
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.concat(Array.from(allEmoji.values()));
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}
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export { getUserEmoji, getShortcodeToEmoji, getEmojiForCompletion };
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