@tepez/mongo-cursor-pagination/src/utils/bsonUrlEncoding.js

Make it easy to return cursor-paginated results from a Mongo collection

const base64url = require('base64-url');
const { EJSON } = require('bson');

/**
 * These will take a BSON object (an database result returned by the MongoDB library) and
 * encode/decode as a URL-safe string.
 */

module.exports.encode = function (obj) {
  return base64url.encode(EJSON.stringify(obj));
};

module.exports.decode = function (str) {
  return EJSON.parse(base64url.decode(str));
};