📄 tanstack/query/v5/docs/framework/vue/guides/background-fetching-indicators

A query's status === 'pending' state is sufficient enough to show the initial hard-loading state for a query, but sometimes you may want to display an additional indicator that a query is refetching in the background. To do this, queries also supply you with an isFetching boolean that you can use to show that it's in a fetching state, regardless of the state of the status variable:

vue

<script setup>
import { useQuery } from '@tanstack/vue-query'

const { isPending, isFetching, isError, data, error } = useQuery({
  queryKey: ['todos'],
  queryFn: getTodos,
})
</script>

<template>
  <div v-if="isFetching">Refreshing...</div>
  <span v-if="isPending">Loading...</span>
  <span v-else-if="isError">Error: {{ error.message }}</span>
  <!-- We can assume by this point that `isSuccess === true` -->
  <ul v-else-if="data">
    <li v-for="todo in data" :key="todo.id">{{ todo.title }}</li>
  </ul>
</template>


<script setup>
import { useQuery } from '@tanstack/vue-query'

const { isPending, isFetching, isError, data, error } = useQuery({
  queryKey: ['todos'],
  queryFn: getTodos,
})
</script>

<template>
  <div v-if="isFetching">Refreshing...</div>
  <span v-if="isPending">Loading...</span>
  <span v-else-if="isError">Error: {{ error.message }}</span>
  <!-- We can assume by this point that `isSuccess === true` -->
  <ul v-else-if="data">
    <li v-for="todo in data" :key="todo.id">{{ todo.title }}</li>
  </ul>
</template>

Displaying Global Background Fetching Loading State
---------------------------------------------------

In addition to individual query loading states, if you would like to show a global loading indicator when any queries are fetching (including in the background), you can use the useIsFetching hook:

vue

<script setup>
import { useIsFetching } from '@tanstack/vue-query'

const isFetching = useIsFetching()
</script>

<template>
  <div v-if="isFetching">Queries are fetching in the background...</div>
</template>


<script setup>
import { useIsFetching } from '@tanstack/vue-query'

const isFetching = useIsFetching()
</script>

<template>
  <div v-if="isFetching">Queries are fetching in the background...</div>
</template>

Edit on GitHub

Dependent Queries

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