index.js

import { readdirSync, writeFileSync, cpSync, rmSync, mkdirSync } from "node:fs";
import emoji_map from "./emoji_map.json";
const dir = readdirSync("./png");
const aliases = {
    "❤️": "❤",
};

let output = {};

try {
    rmSync("emojis", { recursive: true, force: true });
    mkdirSync("emojis");
} catch (_) {
    console.log("Something happened when trying to reinitalize the emojis directory");
    console.log(_);
    process.exit(1);
}

for (let emojiName of Object.keys(emoji_map)) {
    let emojiUtfEscape = emoji_map[emojiName];
    for (let emojiFile of dir) {
        let x = emojiFile.replace("emoji_u", "").replace(".png", "");
        let y = x.split("_");
        let z = [];

        for (let _ of y) {
            z.push(parseInt(_, 16));
        }

        let codepoint = String.fromCodePoint(...z);

        if (codepoint === emojiUtfEscape || aliases[emojiUtfEscape] === codepoint) {
            console.log(`Found ${emojiName} (${codepoint})!`);
            cpSync(`./png/${emojiFile}`, `./emojis/${emojiFile}`);
            output[emojiName] = `https://cdn.jsdelivr.net/gh/cirroskais/discord-blobmoji/emojis/${emojiFile}`;
        }
    }
}

writeFileSync("map.json", JSON.stringify(output, null, 4));