carbon/components/Toggle.js

import React from 'react'
import Checkmark from './svg/Checkmark'

export default class extends React.Component {
  constructor(props) {
    super(props)
    this.toggle = this.toggle.bind(this)
  }

  toggle() {
    this.props.onChange(!this.props.enabled)
  }

  render() {
    return (
      <div className={`toggle ${this.props.className}`} onClick={this.toggle}>
        <span className="label">{this.props.label}</span>
        {this.props.enabled ? <Checkmark /> : null}
        <style jsx>
          {`
            .toggle {
              display: flex;
              align-items: center;
              justify-content: ${this.props.center ? 'center' : 'space-between'};
              cursor: pointer;
              user-select: none;
              padding: 8px;
            }
          `}
        </style>
      </div>
    )
  }
}