How to use the lottie-web.play function in lottie-web

seekByArrowKeys = (val) => {//seek using arrow keys or clicking on the track
    let currentFrame = this.state.currentFrameTime + val
    lottie.goToAndStop(currentFrame,true)
    if(!this.state.paused){
      lottie.play()
    }
  }
  playPause = () => {

componentDidUpdate(prevProps: Props) {
    const { direction, play } = this.props;
    if (direction !== prevProps.direction && play === true) {
      lottie.setDirection(direction === 'forward' ? 1 : -1);
      lottie.play();
    }
    if (play !== prevProps.play && play === true) {
      lottie.play();
    }
  }