Function readRect

src/stream-caret.ts:133–141

(
  range: Range,
  fallback: Element,
)

}

function readRect(
  range: Range,
  fallback: Element,
): DOMRect | { width: number; height: number; left: number; top: number; right: number; bottom: number } {
  if (typeof range.getBoundingClientRect === "function") {
    return range.getBoundingClientRect();
  }
  return fallback.getBoundingClientRect();
}

function measureCaretPointFromRange(
  host: HTMLElement,