require-env-var/lib/index.js

Easily require environment variables or else

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = requireEnvVar;

function requireEnvVar(key, fallback) {
  const keys = Array.isArray(key) ? key : [key];
  const validKey = keys.find(key => process.env[key]);
  if (validKey) return process.env[validKey];
  if (fallback) return fallback;
  throw new Error(`Required environment variable [${keys.join(' or ')}] is not set!`);
}

module.exports = exports.default;