definma-api/src/routes/validate/id.ts

import joi from '@hapi/joi';

export default class IdValidate {
  private static id = joi.string().pattern(new RegExp('[0-9a-f]{24}')).length(24);

  static get () {
    return this.id;
  }

  static valid (id) {
    return this.id.validate(id).error === undefined;
  }

  static parameter () {  // :id url parameter
    return ':id([0-9a-f]{24})';
  }

  static stringify (data) {
    Object.keys(data).forEach(key => {
      if (data[key] !== null && data[key].hasOwnProperty('_bsontype') && data[key]._bsontype === 'ObjectID') {
        data[key] = data[key].toString();
      }
    });
    return data;
  }
}