How to change class of the BS5 button on click

1

Hi!
I’m trying to change button class on click but this is not that simple for me

  static targets = ["bi-camera-video-off", "bi-camera-video-fill"]
  static classes = ["bi-camera-video-off", "bi-camera-video-fill"]
  
videoSwitchBtn(event) {
    if (this.publisher.getVideoSource().track) {
      this.publisher.publishVideo(false);
      this.bi-camera-video-offTarget.classList.remove(this.bi-camera-video-Class);
      this.bi-camera-video-offTarget.classList.add(this.bi-camera-video-fillClass);
    } else {
      this.publisher.publishVideo(true);
     this.bi-camera-video-offTarget.classList.add(this.bi-camera-video-fillClass);
     this.bi-camera-video-offTarget.classList.remove(this.bi-camera-video-offClass);
    }
  }

In my html I have this

<button data-action="click->vonage#videoSwitchBtn" class="call-button">
   <span data-target="vonage.bi-camera-video-off" class="icon-custom bi bi-camera-video-off"</span>
</button>

I have error
ReferenceError: camera is not defined

Any idea on why is not defined? Is that because bi-camera is conected by - ?