Skill

with-tanstack-query

Name: with-tanstack-query
Author: TanStack

compose Vue Query with table state

Published by TanStack Updated Jul 20

Covers Vue Frontend State Management

Description

Compose reactive Vue Query keys and results with Vue Table manual row processing, refs/computed state, server counts, and already-processed pages without duplicating query data into a drifting local ref.

SKILL.md

This skill builds on @tanstack/table-core#client-vs-server, getting-started, and table-state. Name each client- and server-owned processing stage first.

Setup

import { computed, ref } from 'vue'
import { keepPreviousData, useQuery } from '@tanstack/vue-query'
import {
  rowPaginationFeature,
  tableFeatures,
  useTable,
} from '@tanstack/vue-table'

const pagination = ref({ pageIndex: 0, pageSize: 20 })
const query = useQuery(() => ({
  queryKey: ['people', pagination.value.pageIndex, pagination.value.pageSize],
  queryFn: () =>
    fetch(
      `/api/people?page=${pagination.value.pageIndex}&size=${pagination.value.pageSize}`,
    ).then((r) => r.json()),
  placeholderData: keepPreviousData,
}))
const data = computed(() => query.data.value?.rows ?? [])
const rowCount = computed(() => query.data.value?.rowCount ?? 0)
const state = computed(() => ({ pagination: pagination.value }))
const table = useTable({
  features: tableFeatures({ rowPaginationFeature }),
  columns,
  data,
  rowCount,
  manualPagination: true,
  state,
  onPaginationChange: (next) => {
    pagination.value =
      typeof next === 'function' ? next(pagination.value) : next
  },
})

Core Patterns

Keep query dependencies reactive

Use the Vue Query options function and read refs inside it. Include every manual filter/sort/page input in the query key.

Pass Query results directly

Expose result fields as computed refs. Introduce a second local data ref only for an explicit editing workflow with a cache-write policy.

Common Mistakes

HIGH Unwrapping before query construction

Wrong:

const page = pagination.value.pageIndex
useQuery(() => ({ queryKey: ['people', page], queryFn }))

Correct:

useQuery(() => ({ queryKey: ['people', pagination.value.pageIndex], queryFn }))

Only reads inside the reactive options function become query dependencies.

Source: examples/vue/with-tanstack-query/src/App.tsx

HIGH Mirroring Query data locally

Wrong:

const rows = ref(query.data.value?.rows ?? [])

Correct:

const rows = computed(() => query.data.value?.rows ?? [])

A one-time copy drifts from subsequent cache results.

Source: examples/vue/with-tanstack-query/src/App.tsx

HIGH Omitting server counts

Wrong:

useTable({ features, columns, data, manualPagination: true })

Correct:

useTable({ features, columns, data, rowCount, manualPagination: true })

One returned page cannot tell Table how many pages the server has.

Source: docs/framework/vue/guide/pagination.md

API Discovery

Inspect installed @tanstack/vue-table/dist/useTable.d.ts, installed @tanstack/vue-query/dist/, and the relevant manual Table feature source for exact option types.

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