Dark: Discord Bot & Dashboard

async function completeLogin({ code }) {
  const accessToken = await exchangeCodeForToken(code);
  try {
    const headers = { Authorization: `Bearer ${accessToken}` };
    const [me, guilds] = await Promise.all([
      discordFetch(`${API}/users/@me`, { headers }),
      discordFetch(`${API}/users/@me/guilds`, { headers }),
    ]);
    return normalise(me, guilds);
  } finally {
    // The token isn't needed any more: revoke it so it can't be misused.
    revokeToken(accessToken).catch(() => {});
  }
}

for (let i = 0; i < chunk.length; i += 4) {
  // ease the music volume towards its target (ducked while speaking)
  gain += Math.sign(target - gain) * Math.min(step, Math.abs(target - gain));

  let left = chunk.readInt16LE(i) * gain;
  let right = chunk.readInt16LE(i + 2) * gain;

  if (voice) {                       // mix the voice line on top
    left += voice.readInt16LE(pos) * voiceGain;
    right += voice.readInt16LE(pos + 2) * voiceGain;
    pos += 4;
  }

  out.writeInt16LE(clamp16(left), i);
  out.writeInt16LE(clamp16(right), i + 2);
}

const als = new AsyncLocalStorage();

const runAs = (member, fn) => als.run({ member }, fn);

function viewerCanSee(channel) {
  const member = als.getStore()?.member;
  if (!member) return true;
  return channel.permissionsFor(member)?.has(PermissionFlagsBits.ViewChannel) ?? false;
}