Function addOffset

src/js/utils/offset.js:24–40

(...offsets)

};

export function addOffset(...offsets) {
  const out = { top: 0, left: 0 };

  offsets.forEach(({ top, left }) => {
    if (isString(top)) {
      top = parseFloat(top);
    }
    if (isString(left)) {
      left = parseFloat(left);
    }

    out.top += top;
    out.left += left;
  });

  return out;
}

export function attachmentToOffset(attachment) {
  let { left, top } = attachment;