isomorphic-validation/dist/esm/utils/getenv.js

Isomorphic javascript form validation library.

const SERVER = Symbol('server');
const CLIENT = Symbol('client');

const getEnv = () =>
  typeof document !== 'undefined'
    ? CLIENT
    : typeof process !== 'undefined'
      ? SERVER
      : undefined;

const ENV = getEnv();
const IS_SERVER = ENV === SERVER;

export { CLIENT, ENV, IS_SERVER, SERVER };