Function setupQueryCacheSubscription

packages/query-devtools/src/Devtools.tsx:2580–2601

()

>()

const setupQueryCacheSubscription = () => {
  const queryCache = createMemo(() => {
    const client = useQueryDevtoolsContext().client
    return client.getQueryCache()
  })

  const unsubscribe = queryCache().subscribe((q) => {
    batch(() => {
      for (const [callback, value] of queryCacheMap.entries()) {
        if (!value.shouldUpdate(q)) continue
        value.setter(callback(queryCache))
      }
    })
  })

  onCleanup(() => {
    queryCacheMap.clear()
    unsubscribe()
  })

  return unsubscribe
}

const createSubscribeToQueryCacheBatcher = <T,>(
  callback: (queryCache: Accessor<QueryCache>) => Exclude<T, Function>,