Function addTraceSelectors

packages/cli/src/commands/keyframes.ts:632–634

(selectors: Set<string>, cmp: SurfacedComposition)

// every channel (rotation / scale / opacity / colour / 3D), not just x/y. A
// 0-duration `set` is a pen-up marker, not motion.
function addTraceSelectors(selectors: Set<string>, cmp: SurfacedComposition): void {
  for (const tr of cmp.traces) selectors.add(tr.target);
}

function addTweenSelectors(selectors: Set<string>, cmp: SurfacedComposition): void {
  for (const t of cmp.tweens) {