Parsing @laihoe/demoparser2 rounds

parse_rounds.js

const demoPath = "demo.dem";
const roundStartEvents = parseEvent(
  demoPath,
  "round_start",
  [],
  ["total_rounds_played", "is_warmup_period", "game_time"]
);
const rounds = [];
for (const round of roundStartEvents) {
  if (round.is_warmup_period) {
    continue;
  }
  const roundData = {
    round: round.round,
    startTick: round.tick,
  };
  const existingRoundIndex = rounds.findIndex((r) => r.round === round.round);
  if (existingRoundIndex !== -1) {
    rounds[existingRoundIndex] = roundData;
  } else {
    rounds.push(roundData);
  }
}

const roundEndEvents = parseEvent(
  demoPath,
  "round_end",
  [],
  ["total_rounds_played", "is_warmup_period", "game_time"]
);
for (const roundEnd of roundEndEvents) {
  if (roundEnd.is_warmup_period) {
    continue;
  }
  const roundIndex = rounds.findIndex(
    (r) => r.round === roundEnd.total_rounds_played
  );
  if (roundIndex !== -1) {
    rounds[roundIndex].endTick = roundEnd.tick;
  }
}

const roundOfficiallyEndedEvents = parseEvent(
  demoPath,
  "round_officially_ended",
  [],
  ["total_rounds_played", "is_warmup_period", "game_time"]
);
for (const roundOfficiallyEnded of roundOfficiallyEndedEvents) {
  if (roundOfficiallyEnded.is_warmup_period) {
    continue;
  }
  const roundIndex = rounds.findIndex(
    (r) => r.round === roundOfficiallyEnded.total_rounds_played
  );
  if (roundIndex !== -1) {
    rounds[roundIndex].officiallyEndedTick = roundOfficiallyEnded.tick;
  }
}

for (const round of rounds) {
  if (!round.officiallyEndedTick && round.endTick) {
    round.officiallyEndedTick = round.endTick;
  } else if (!round.officiallyEndedTick) {
    const roundEndEvent = roundEndEvents.find(
      (event) =>
        event.total_rounds_played === round.round && !event.is_warmup_period
    );
    if (roundEndEvent) {
      round.officiallyEndedTick = roundEndEvent.tick;
    }
  }
}