zulip/static/js/emojisets.js

54 lines
2.1 KiB
JavaScript

import google_blob_sheet from "emoji-datasource-google-blob/img/google/sheets-256/64.png";
import google_sheet from "emoji-datasource-google/img/google/sheets-256/64.png";
import twitter_sheet from "emoji-datasource-twitter/img/twitter/sheets-256/64.png";
import octopus_url from "../generated/emoji/images-google-64/1f419.png";
import {page_params} from "./page_params";
import google_blob_css from "!style-loader?injectType=lazyStyleTag!css-loader!../generated/emoji-styles/google-blob-sprite.css";
import google_css from "!style-loader?injectType=lazyStyleTag!css-loader!../generated/emoji-styles/google-sprite.css";
import twitter_css from "!style-loader?injectType=lazyStyleTag!css-loader!../generated/emoji-styles/twitter-sprite.css";
const emojisets = new Map([
["google", {css: google_css, sheet: google_sheet}],
["google-blob", {css: google_blob_css, sheet: google_blob_sheet}],
["twitter", {css: twitter_css, sheet: twitter_sheet}],
]);
// For `text` emojiset we fallback to `google-blob` emojiset
// for displaying emojis in emoji picker and typeahead.
emojisets.set("text", emojisets.get("google-blob"));
let current_emojiset;
export async function select(name) {
const new_emojiset = emojisets.get(name);
if (new_emojiset === current_emojiset) {
return;
}
await new Promise((resolve, reject) => {
const sheet = new Image();
sheet.addEventListener("load", resolve);
sheet.addEventListener("error", reject);
sheet.src = new_emojiset.sheet;
});
if (current_emojiset) {
current_emojiset.css.unuse();
}
new_emojiset.css.use();
current_emojiset = new_emojiset;
}
export function initialize() {
select(page_params.emojiset);
// Load the octopus image in the background, so that the browser
// will cache it for later use. Note that we hardcode the octopus
// emoji to the old Google one because it's better.
//
// TODO: We should probably just make this work just like the Zulip emoji.
const octopus_image = new Image();
octopus_image.src = octopus_url;
}