const MAX_CHARS_AT_DELTA = 70;

const splitTextIntoTwoLines = (string) => {
  const tokens = string.split(' ');
  var i = 1;
  while (tokens.slice(0, i).reduce((acc, el) => acc + el.length, 1) < MAX_CHARS_AT_DELTA) i++;
  return `${tokens.slice(0, i).join(' ')}<br />${tokens.slice(i).join(' ')}`;
};