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Nuxt provides the <DevOnly> component to render a component only during development. The content will not be included in production builds.

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Usage

[app/pages/example.vue]
<template>
  <div>
    <Sidebar />
    <DevOnly>
      <!-- this component will only be rendered during development -->
      <LazyDebugBar />

      <!-- if you ever require to have a replacement during production -->
      <!-- be sure to test these using `nuxt preview` -->
      <template #fallback>
        <div><!-- empty div for flex.justify-between --></div>
      </template>
    </DevOnly>
  </div>
</template>

​
Slots

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#fallback

If you ever require to have a replacement during production. 
<template>
  <div>
    <Sidebar />
    <DevOnly>
      <!-- this component will only be rendered during development -->
      <LazyDebugBar />
      <!-- be sure to test these using `nuxt preview` -->
      <template #fallback>
        <div><!-- empty div for flex.justify-between --></div>
      </template>
    </DevOnly>
  </div>
</template>
Be sure to test fallback content using nuxt preview to ensure it works correctly in production.