meta-horizonn-fca-huh/src/getEmojiUrl.js

Facebook-Chat-API Protect and Deploy by Kanzu and HZI Team. Kem is redeveloped. Rename package is Meta Horizonn and package supported ChatBot Messenger. and make it lightweight package by jonell huh

"use strict";

const util = require("util");

module.exports = function () {
  return function getEmojiUrl(c, size, pixelRatio) {
    /*
     Resolves Facebook Messenger emoji image asset URL for an emoji character.
     Supported sizes are 32, 64, and 128.
     Supported pixel ratios are '1.0' and '1.5' (possibly more; haven't tested)
     */
    const baseUrl = "https://static.xx.fbcdn.net/images/emoji.php/v8/z%s/%s";
    pixelRatio = pixelRatio || "1.0";

    let ending = util.format(
      "%s/%s/%s.png",
      pixelRatio,
      size,
      c.codePointAt(0).toString(16)
    );
    let base = 317426846;
    for (let i = 0; i < ending.length; i++) base = (base << 5) - base + ending.charCodeAt(i);

    let hashed = (base & 255).toString(16);
    return util.format(baseUrl, hashed, ending);
  };
};