Function setRevealed

docs/src/javascripts/lifecycle.js:773–789

(n)

    svg.appendChild(scoreLabel);

    function setRevealed(n) {
      revealed = Math.max(1, Math.min(EVAL_HISTORY.length, n));
      const frac = (revealed - 1) / (EVAL_HISTORY.length - 1);
      line.setAttribute("stroke-dashoffset", String(1 - frac));
      dots.forEach((c, i) => {
        const isVisible = i < revealed;
        const isLast = i === revealed - 1;
        c.setAttribute("r", isVisible ? (isLast ? "5.5" : "4.5") : "0");
      });
      const last = EVAL_HISTORY[revealed - 1];
      // Slide the score label
      const targetX = xScale(last.iter) + 8;
      const targetY = yScale(last.score) + 4;
      scoreLabel.setAttribute("x", targetX);
      scoreLabel.setAttribute("y", targetY);
      scoreLabel.textContent = last.score.toFixed(2);
    }
    setRevealed(1);

    let revealTimer = null;