proj4/lib/projections/longlat.js

Proj4js is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations.

exports.init = function() {
  //no-op for longlat
};

function identity(pt) {
  return pt;
}
exports.forward = identity;
exports.inverse = identity;
exports.names = ["longlat", "identity"];