Function shouldShowStreamingCaret

src/patch-streaming-html.ts:135–149

(cleanTrack: string)

/** Show the caret only while literal text is streaming into a text-bearing element. */
export function shouldShowStreamingCaret(cleanTrack: string): boolean {
  const track = cleanTrack.trim();
  const tailText = getTrailingTextRun(track);
  if (!tailText) {
    return false;
  }

  const stack = getOpenTagStack(track);
  if (stack.length === 0) {
    return true;
  }

  const deepest = stack[stack.length - 1]!.toLowerCase();
  return TEXT_STREAM_TAGS.has(deepest);
}

/** Walk DOM to the innermost open element matching the track stack */
function findDeepOpenElement(