Vue3 Slots

The usage in a Vue component:

<FancyButton>{{ message }}</FancyButton>

The component:

<button type="submit">
  <slot>
    Submit <!-- fallback content -->
  </slot>
</button>

The “modelValue” placeholder is for the v-model attribute. It can be any other property, for example “title”:

<MyComponent v-model:title="bookTitle" />

Named slots

The usage in a Vue component:

<BaseLayout>
  <template #header>
    <h1>Here might be a page title</h1>
  </template>

  <template #default>
    <p>A paragraph for the main content.</p>
    <p>And another one.</p>
  </template>

  <template #footer>
    <p>Here's some contact info</p>
  </template>
</BaseLayout>

The component:

<div class="container">
  <header>
    <slot name="header"></slot>
  </header>
  <main>
    <slot></slot>
  </main>
  <footer>
    <slot name="footer"></slot>
  </footer>
</div>

Originally written on Mar 6, 2023.