Fetch & count users in Slack general channel

whoshere.js

(async () => {
  async function getUsersInGeneralChannel(marker = null) {
    const response = await fetch(
      "https://edgeapi.slack.com/cache/TSK2FNWP3/users/list?fp=ed",
      {
        headers: {
          accept: "*/*",
          "accept-language": "en-US,en;q=0.9",
          "content-type": "text/plain;charset=UTF-8",
          "sec-ch-ua": '"Not)A;Brand";v="24", "Chromium";v="116"',
          "sec-ch-ua-mobile": "?0",
          "sec-ch-ua-platform": '"macOS"',
          "sec-fetch-dest": "empty",
          "sec-fetch-mode": "cors",
          "sec-fetch-site": "same-site",
          cookie:
            "b=.235697e4fa56914f1fb02ade40ef7a52; shown_ssb_redirect_page=1; ssb_instance_id=7356ec58-264f-4ff4-863a-4e9cf71e4d6e; shown_download_ssb_modal=1; show_download_ssb_banner=1; no_download_ssb_banner=1; tz=420; x=235697e4fa56914f1fb02ade40ef7a52.1693504339; OptanonConsent=isGpcEnabled=0&datestamp=Fri+Sep+01+2023+00%3A52%3A20+GMT%2B0700+(Indochina+Time)&version=202211.1.0&isIABGlobal=false&hosts=&consentId=3ca93d64-4d5d-4b3e-a591-8762845ce57e&interactionCount=1&landingPath=NotLandingPage&groups=1%3A1%2C3%3A1%2C2%3A1%2C4%3A0&AwaitingReconsent=false; d-s=1693504349; d=xoxd-jjDs34SoZLhrPjaPL9buAriA5Zggg5cQN3tPgM2QXBkwMjL9tA0zSXEgYihwmrXNJABD0qCmtRwxp%2B4TIFG260UqJwi10lMKuiYkR%2BVjnZj9wEA2vpHX51w9qi7%2F0OkPGmaKD2HPlg5dz%2FURkUeSgLwdlZ1EkrHePOKTQFmKk86WFgcXY%2BPzefTE4H60rsBTG73cAHnJU70%3D",
        },
        referrerPolicy: "no-referrer",
        body: JSON.stringify({
          token:
            "xoxc-903083778785-2282680854020-4318664012532-2f8d3d868eece196b1267eb0307a20c19b2ed2d4bacc33dc1675d6eea13ce1ed",
          include_profile_only_users: true,
          count: 50,
          channels: ["CSX43GMK9"],
          filter: "people",
          index: "users_by_display_name",
          locale: "en-US",
          present_first: false,
          marker: marker,
          fuzz: 1,
        }),
        method: "POST",
      }
    );

    return await response.json();
  }

  async function whosHere() {
    let users = [];
    let next_marker = null;

    while (true) {
      const resp = await getUsersInGeneralChannel(next_marker);
      
      console.log({ resp });

      users = [
        ...users,
        ...resp.results.map((member) => {
          if (member.profile.display_name.length) {
            return `- @${member.profile.display_name} [${member.profile.real_name}]`;
          } else {
            return `- @${member.profile.real_name}`;
          }
        }),
      ];

      console.log({ next_marker: resp.next_marker, count: users.length });

      if (resp.next_marker) {
        next_marker = resp.next_marker;
        await wait();
      } else {
        break;
      }
    }

    users = users.sort((a, b) => {
      const nameA = a.toLowerCase();
      const nameB = b.toLowerCase();
      if (nameA < nameB) return -1;
      if (nameA > nameB) return 1;

      return 0;
    });

    return users;
  }

  function wait() {
    const min = 500; // 0.5 seconds in milliseconds
    const max = 2000; // 2 seconds in milliseconds
    const delay = Math.floor(Math.random() * (max - min + 1) + min);
    return new Promise((resolve) => setTimeout(resolve, delay));
  }

  function pbcopy(data) {
    var proc = require("child_process").spawn("pbcopy");
    proc.stdin.write(data);
    proc.stdin.end();
  }

  const result = await whosHere();

  let data = [
    `# Updated ${new Date().toISOString()}`,
    `Count: ${result.length}`,
    "",
  ].join("\n");
  data += result.join("\n");

  pbcopy(data);

  console.log(`Done! (${result.length} results are copied to clipboard)`);
})();