WebScript.json

((
  /** @type {string} */ streamUptimeString,
  /** @type {string} */ streamStartDateString,
  /** @type {string} */ urlEncodedGetMmrHistoryResponseJson,
) => {
  /* streamStartDateString will be a date string even if the channel is not currently live (the date will be the current
     date). This may be a Nightbot bug. This is why streamUptimeString is needed to check whether the channel is live */
  if (/\bnot live\b/i.test(streamUptimeString)) {
    return 'Draxick is not live';
  }
 
  const streamStartDate = new Date(streamStartDateString);
  if (Number.isNaN(streamStartDate.valueOf())) {
    return `Failed to parse stream start date: ${streamStartDateString}`.slice(0, 400);
  }
 
  const getMmrHistoryResponseJson = decodeURIComponent(urlEncodedGetMmrHistoryResponseJson);
  if (/^Error Connecting To Remote Server\b/i.test(getMmrHistoryResponseJson)) {
    return 'No games played yet.';
  }
 
  try {
    /** @type {{
      readonly data: ReadonlyArray<{
        readonly mmr_change_to_last_game: number;
        readonly date_raw: number;
      }>;
    }} */


    const getMmrHistoryResponse = JSON.parse(getMmrHistoryResponseJson);
 
    let mmrChangeThisStream = 0;
    let winCountThisStream = 0;
    let lossCountThisStream = 0;
	let rankedRating = 0;
	var string = "";
	var rank = "";
	
    json = JSON.parse(getMmrHistoryResponseJson); 

	currenttierpatched = json.data.currenttierpatched; 
	elo = json.data.elo; 
	mmr_change_to_last_game = json.data.mmr_change_to_last_game; 

	if(mmr_change_to_last_game > 0) {
		string = "gained";
	}else if(mmr_change_to_last_game < 0){
		string = "lost";
	}else{
		string = "at";
	}
 
    return `Draxick is at ${(elo-2100)}RR in ${currenttierpatched} and ${string} ${Math.abs(mmr_change_to_last_game)}RR last game.` ;
  } catch (e) {
    return `Failed to parse MMR history: ${e.message}: ${getMmrHistoryResponseJson}`.slice(0, 400);
  }
})