solid-query 6.0.0-rc.5: useBaseQuery bumps its version signal on observerAdded/observerRemoved, remounting <Show> children in a loop on Solid 2 rc.14+

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Evaluación

Dificultad
2/5
Tiempo estimado
1-3 horas
Aptitud para principiantes
78/100
Tipo de issue
Error
Claridad
Bien especificado
Estado de actividad
Activo
Stack tecnológico
typescript
Área
frontend

Línea de trabajo

Comienza con packages/solid-query/src/useBaseQuery.ts en la rama solid-query-v6-pre e inspecciona onCacheEvent, especialmente cómo maneja event.type. Añade una prueba de regresión basada en la reproducción que compruebe que el hijo se monta una sola vez; está terminado cuando los eventos que solo afectan al observador ya no disparan el bucle de remontaje.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

Describe the bug

useBaseQuery's onCacheEvent (packages/solid-query/src/useBaseQuery.ts on solid-query-v6-pre) calls setVersion(v => v + 1) for every query-cache event whose queryHash matches, without looking at event.type. observerAdded, observerRemoved, observerOptionsUpdated and observerResultsUpdated do not change the query's state, but each one re-runs the result projection.

On Solid 2 rc.14+ this combines with a core issue (solidjs/solid#4540): a non-keyed <Show> gated on q.data remounts its children on every re-run. A child that calls useQuery with the same key adds an observer on mount → observerAdded → version bump → remount → new observer → … an infinite remount loop.

  • solid-js rc.13 + solid-query 6.0.0-rc.5: 1 mount
  • solid-js rc.20 + solid-query 6.0.0-rc.5: loop (21 mounts before the guard)
  • solid-js next@215c365: loop
Steps to Reproduce

package.json: solid-js, @solidjs/web, @solidjs/signals 2.0.0-rc.20, @tanstack/solid-query 6.0.0-rc.5; dev @solidjs/vite-plugin 3.0.0-next.54, vitest 5.0.5, jsdom 30.1.2.

import { render } from "@solidjs/web";
import { QueryClient, QueryClientProvider, useQuery } from "@tanstack/solid-query";
import { Show } from "solid-js";
import { expect, it } from "vitest";

const wait = (ms: number) => new Promise((r) => setTimeout(r, ms));

it("a second observer mounted under a Show gated on the first one's data mounts once", async () => {
  const client = new QueryClient({ defaultOptions: { queries: { retry: false, staleTime: Number.POSITIVE_INFINITY } } });
  let mounts = 0;
  const options = () => ({ queryKey: ["k"], queryFn: () => wait(10).then(() => 1) });
  function Child() {
    mounts++;
    if (mounts > 20) throw new Error("remount loop");
    useQuery(options);
    return <p>child</p>;
  }
  function Page() {
    const q = useQuery(options);
    return (
      <Show when={q.data !== undefined}>
        <Child />
      </Show>
    );
  }
  const el = document.createElement("div");
  const dispose = render(() => (
    <QueryClientProvider client={client}>
      <Page />
    </QueryClientProvider>
  ), el);
  await wait(100);
  dispose();
  expect(mounts).toBe(1);
});

package.json

{
  "name": "solid-query-repro",
  "private": true,
  "type": "module",
  "scripts": { "test": "vitest run" },
  "dependencies": {
    "solid-js": "2.0.0-rc.20",
    "@solidjs/web": "2.0.0-rc.20",
    "@solidjs/signals": "2.0.0-rc.20",
    "@tanstack/solid-query": "6.0.0-rc.5"
  },
  "devDependencies": {
    "@solidjs/vite-plugin": "3.0.0-next.54",
    "jsdom": "30.1.2",
    "vitest": "5.0.5"
  }
}

vitest.config.ts

import solid from "@solidjs/vite-plugin";
import { defineConfig } from "vitest/config";

export default defineConfig({
  plugins: [solid()],
  test: { environment: "jsdom" },
});
Expected behavior

Child mounts once.

Actual behavior

expected 21 to be 1 (the guard throws "remount loop").

Suggested fix

Bump version only for events that can change the result (added, removed, updated), not for observer* events. The core issue is the root cause; this avoids the trigger and an unnecessary projection re-run per observer mount/unmount.

Related: #11903, #12031 / #12034 (same function, different defects).

Lenguaje dominante
TypeScript
Estrellas
50.5k
Forks
4.2k
Merge medio
11 h 2 min
PR fusionados (30 d)
524

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