code: function getNumberOrInterpolation() {
    const content = [];
  
    while (pos < tokensLength) {
      if (checkInterpolation(pos)) content.push(getInterpolation());
      else if (checkNumber(pos)) content.push(getNumber());
      else break;
    }
  
    return content;
  }
docs: Get a number and/or interpolation node
  @return {Array} An array containing a single or multiple nodes