index.js

import PouchDBChanges from 'react-pouchdb-changes'
import React from 'react'

export default class extends React.Component {
  state = { latestDoc: null }

  changeHandler = (change) => {
    this.setState({ latestDoc: change.doc })
  }
  render () {
    return(
      <div>
        <PouchDBChanges
          dbUrl='http://couch-01.db.precioslibres.org/precios_claros_dump-01'
          changesOpts={{ since: 'now', live: true, include_docs: true }}
          onChange={change => this.setState({ latestDoc: change.doc })}
          onError={err => this.handleError(err)}
        >
          <p>{this.state.latestDoc ? this.state.latestDoc.uuid : 'loading...'}</p>
        </PouchDBChanges>
      </div>
    )
  }
}