How can I get the current refinement *count* using Algolia?

React InstantSearch provides a CurrentRefinements component which gives the currently selected refinements.

But all I want is to get the number of filters (refinements) being applied. I feel like this should be really easy but have been banging my head for the past 4 hours trying to figure it out.

Edit: You can see a working example with <CurrentRefinements> here

But again, my goal isn't to list the current refinements, it's to get a count of the number of refinements being applied in total.

I got it working using one of the connectors they provide. Here's the solution:

import React, {Component} from 'react'
import {connectCurrentRefinements} from 'react-instantsearch/connectors'

class RefinementCount extends Component {
  render() {
    return (
      <h1>filtered: {this.props.items.length}</h1>
    )
  }
}

export default connectCurrentRefinements(RefinementCount)

Relevants docs: https://community.algolia.com/react-instantsearch/connectors/connectCurrentRefinements.html