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The <NuxtErrorBoundary> uses Vue’s onErrorCaptured hook under the hood.

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Events

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@error

Event emitted when the default slot of the component throws an error. 
<template>
  <NuxtErrorBoundary @error="logSomeError">
    <!-- ... -->
  </NuxtErrorBoundary>
</template>

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Slots

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#error

Specify a fallback content to display in case of error. 
<template>
  <NuxtErrorBoundary>
    <!-- ... -->
    <template #error="{ error, clearError }">
      <p>An error occurred: {{ error }}</p>

      <button @click="clearError">
        Clear error
      </button>
    </template>
  </NuxtErrorBoundary>
</template>
The #error slot provides the following properties:
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error
unknown
The error object that was caught.
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clearError
() => void
A function to clear the error and reset the component state.

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Example

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Accessing error and clearError in script

You can access error and clearError properties within the component’s script as below: 
<template>
  <NuxtErrorBoundary ref="errorBoundary">
    <!-- ... -->
  </NuxtErrorBoundary>
</template>

<script setup lang="ts">
const errorBoundary = useTemplateRef('errorBoundary')

// errorBoundary.value?.error
// errorBoundary.value?.clearError()
</script>