Incorrect (logic duplicated in templates):

// app/components/user-profile.gjs
<template>
  <div class="profile">
    <h1>{{uppercase (truncate @user.name 20)}}</h1>

    {{#if (and @user.isActive (not @user.isDeleted))}}
      <span class="status">Active</span>
    {{/if}}

    <p>{{lowercase @user.email}}</p>

    {{#if (gt @user.posts.length 0)}}
      <span>Posts: {{@user.posts.length}}</span>
    {{/if}}
  </div>
</template>