{{#if this.channel.isFollowing}}
  <DButton
    @action={{action "onLeaveChannel"}}
    @translatedLabel={{this.label}}
    @translatedTitle={{this.options.leaveTitle}}
    @class={{concat-class
      "toggle-channel-membership-button -leave btn-flat"
      this.options.leaveClass
    }}
    @icon={{this.options.leaveIcon}}
    @disabled={{this.isLoading}}
  />
{{else}}
  <DButton
    @action={{action "onJoinChannel"}}
    @translatedLabel={{this.label}}
    @translatedTitle={{this.options.joinTitle}}
    @class={{concat-class
      "toggle-channel-membership-button -join"
      this.options.joinClass
    }}
    @icon={{this.options.joinIcon}}
    @disabled={{this.isLoading}}
  />
{{/if}}