text: import React from 'react'
  
  import { px } from '../util'
  
  export default function DetectionBoxes({ detections, width, height }) {
    return detections.map(({ rect }, i) => (
      rect &&
        <div className='rect' key={i} style={{
          left: px(rect[0], width),
          top: px(rect[1], height),
          width: px(rect[2] - rect[0], width),
          height: px(rect[3] - rect[1], height),
        }} />
    ))
  }
  