Function getPosition

src/useEditable.ts:69–84

(element: HTMLElement)

};

const getPosition = (element: HTMLElement): Position => {
  // Firefox Quirk: Since plaintext-only is unsupported the position
  // of the text here is retrieved via a range, rather than traversal
  // as seen in makeRange()
  const range = getCurrentRange();
  const extent = !range.collapsed ? range.toString().length : 0;
  const untilRange = document.createRange();
  untilRange.setStart(element, 0);
  untilRange.setEnd(range.startContainer, range.startOffset);
  let content = untilRange.toString();
  const position = content.length;
  const lines = content.split('\n');
  const line = lines.length - 1;
  content = lines[line];
  return { position, extent, content, line };
};

const makeRange = (
  element: HTMLElement,