Function surfaceComposition

packages/cli/src/commands/keyframes.ts:237–259

(
  html: string,
  label: string,
  source: string,
)

// ── Composition surfacing ────────────────────────────────────────────────────

export function surfaceComposition(
  html: string,
  label: string,
  source: string,
): SurfacedComposition {
  const script = inlineScriptText(html);
  let animations: GsapAnimation[] = [];
  try {
    animations = parseGsapScript(script).animations;
  } catch {
    animations = [];
  }
  const tweens = animations.filter((a) => !isHoldMarker(a)).map(surfaceTween);
  attachComposedAncestors(tweens, html);
  return {
    composition: label,
    source,
    tweens,
    traces: groupTraces(tweens),
    cssKeyframes: surfaceCssKeyframes(inlineStyleText(html)),
    anime: surfaceAnime(inlineScriptText(html)),
  };
}

// ── CSS / Anime extraction ───────────────────────────────────────────────────