const changes = require('fs-changes')

const opts = {
  pattern: /\.txt$/,
  dir: './files',
  cache: '.cache'
}

changes(opts, events => { // returns `events` after doing initial diff

  events.on('added', path => console.log({ path, type: 'added' }))
  events.on('modified', path => console.log({ path, type: 'modified' }))
  events.on('removed', path => console.log({ path, type: 'removed' }))
}) // returns an instance of levelup