Can the application to respond reactively to game.combat?

  {{#if game.combat}}
    <span class="ml-sm">
      <Badge type="{{badgeType item}}">{{remaining item}}</Badge>
    </span>
  {{/if}}

<script>
$: isCombat = game.combat
<script>
<template>
  {{#if isCombat}}
    <span class="ml-sm">
      <Badge type="{{badgeType item}}">{{remaining item}}</Badge>
    </span>
  {{/if}}
</template>