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dev-create-hook

Use when adding server state management to a module - creates React Query hook with caching and error handling.

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tessl review fix ./packs/nextjs/skills/dev-create-hook/SKILL.md
SKILL.md
Quality
Evals
Security

Create a custom hook following docs/ARCHITECTURE.md section 4.4.

Hook: $ARGUMENTS

Steps

  1. Read docs/ARCHITECTURE.md section 4.4.

  2. Determine the type:

    • Query (data reading) -> useQuery + service + adapter
    • Mutation (write/delete) -> useMutation + query invalidation
    • Pure logic (no API) -> useState + useEffect + cleanup

  3. Create the hook in hooks/use[Name].ts:

Query Hook

'use client'

import { useQuery, keepPreviousData } from '@tanstack/react-query'
import { xxxService } from '../services/xxx-service'
import { xxxAdapter } from '../adapters/xxx-adapter'

interface UseXxxListOptions {
  page: number
  pageSize?: number
  search?: string
}

export function useXxxList(options: UseXxxListOptions) {
  const { page, pageSize = 20, search = '' } = options

  const query = useQuery({
    queryKey: ['xxx', 'list', { page, pageSize, search }],
    queryFn: async () => {
      const response = await xxxService.list({ page, pageSize, search })
      return xxxAdapter.toXxxList(response.data)
    },
    staleTime: 5 * 60 * 1000,
    placeholderData: keepPreviousData,
  })

  return {
    items: query.data?.items ?? [],
    totalPages: query.data?.totalPages ?? 0,
    isLoading: query.isLoading,
    isFetching: query.isFetching,
    isEmpty: !query.isLoading && (query.data?.items.length ?? 0) === 0,
    error: query.error,
    refetch: query.refetch,
  }
}

Mutation Hook

'use client'

import { useMutation, useQueryClient } from '@tanstack/react-query'
import { xxxService } from '../services/xxx-service'
import { xxxAdapter } from '../adapters/xxx-adapter'

export function useDeleteXxx() {
  const queryClient = useQueryClient()

  return useMutation({
    mutationFn: (id: string) => xxxService.delete(id),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['xxx'] })
    },
  })
}

  1. Rules:

    • Required use prefix
    • 'use client' directive (hooks are client-only)
    • Explicit staleTime for queries
    • Connect layers: service -> adapter -> React Query
    • Return typed values

  2. Validate: npx tsc --noEmit

Repository

fernandezbaptiste/specialist-agent

Path

packs/nextjs/skills/dev-create-hook/SKILL.md

Revision

cd716d9

Last updated
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