degree to radian is not defined in nodejs code example
Example: javascript degree to radians
const degsToRads = deg => (deg * Math.PI) / 180.0;
const radsToDegs = rad => rad * 180 / Math.PI;
const degsToRads = deg => (deg * Math.PI) / 180.0;
const radsToDegs = rad => rad * 180 / Math.PI;