How to use pouchdb-adapter-memory - 2 common examples

/* global PouchDB */

import MemoryPouchPlugin from 'pouchdb-adapter-memory';
import { guardedConsole } from 'pouchdb-utils';

var PDB = (typeof PouchDB !== 'undefined') ? PouchDB : require('pouchdb');
if (!PDB) {
  guardedConsole('error', 'memory adapter plugin error: ' +
    'Cannot find global "PouchDB" object! ' +
    'Did you remember to include pouchdb.js?');
} else {
  MemoryPouchPlugin(PDB);
}

import PouchDB from 'pouchdb-core'

// All Environments
let configuredPouch = PouchDB
  .plugin(require('pouchdb-find').default)

if(process.env["NODE_ENV"] === 'test' && typeof window === 'undefined') {
  // Node tests, include extra libs for speed
  configuredPouch
    .plugin(require('pouchdb-adapter-memory').default)
  configuredPouch = configuredPouch.defaults({ adapter: 'memory' })
} else {
  // Any environment with a window
  configuredPouch
    .plugin(require('pouchdb-adapter-idb').default)
    .plugin(require('pouchdb-adapter-websql').default)
}

export default configuredPouch