vercel-labs/json-render

tanstack-start

Build JSON-defined TanStack Start applications with @json-render/tanstack-start.

Zobacz źródło

Jak używać

  1. Skopiuj polecenie instalacji i sprawdź źródła przed instalacją we własnym środowisku agenta.
  2. W oryginale sprawdź wymagane narzędzia, dane dostępowe i obsługiwane środowiska.
  3. Opisz dane wejściowe i oczekiwany rezultat; porównaj wynik ze źródłami.
npx skills add https://github.com/vercel-labs/json-render --skill tanstack-start

Przed rozpoczęciem

  • Instalacja nie obejmuje subskrypcji modelu, limitu API ani uprawnień do plików.
  • Gwiazdki i instalacje pokazują aktywność, a nie niezależny test jakości lub bezpieczeństwa.
Oryginalny dokument Skill

Treść z repozytorium z zachowaniem nagłówków, przykładów, kodu, tabel, linków i obrazów.

@json-render/tanstack-start

Use this integration when a TanStack Start app needs complete pages or routes described by json-render specs.

Install

bash
npm install @json-render/core @json-render/react @json-render/tanstack-start

Application Spec

Include the server-safe built-in definitions in the generation catalog. The renderer supplies their component implementations.

typescript
import { defineCatalog } from "@json-render/core";
import {
  schema,
  startComponentDefinitions,
} from "@json-render/tanstack-start/server";

const catalog = defineCatalog(schema, {
  components: {
    ...startComponentDefinitions,
    Card: cardDefinition,
    Shell: shellDefinition,
    Navigation: navigationDefinition,
    Home: homeDefinition,
    Post: postDefinition,
  },
  actions: {},
});

Then use StartAppSpec and TanStack Router route patterns:

typescript
import type { StartAppSpec } from "@json-render/tanstack-start";

export const spec: StartAppSpec = {
  metadata: {
    title: { default: "Site", template: "%s | Site" },
  },
  layouts: {
    main: {
      root: "shell",
      elements: {
        shell: { type: "Shell", props: {}, children: ["nav", "slot"] },
        nav: { type: "Navigation", props: {}, children: [] },
        slot: { type: "Slot", props: {}, children: [] },
      },
    },
  },
  routes: {
    "/": {
      layout: "main",
      metadata: { title: "Home" },
      page: {
        root: "home",
        elements: {
          home: { type: "Home", props: {}, children: [] },
        },
      },
    },
    "/posts/$slug": {
      layout: "main",
      loader: "post",
      staticParams: [{ slug: "hello" }],
      page: {
        root: "post",
        elements: {
          post: {
            type: "Post",
            props: { value: { $state: "/post" } },
            children: [],
          },
        },
      },
    },
  },
};

Routes use /posts/$slug for named parameters and /docs/$ for a splat. Splat loader parameters are slash-delimited strings under _splat. Escape route-key slashes as ~1 when generating RFC 6902 patches.

Every layout needs a Slot element. Declare Slot and Link through startComponentDefinitions; do not require consumers to register React implementations for them.

Server Helpers

typescript
import { createStartApp } from "@json-render/tanstack-start/server";

export const { getPageData, getHead, getStaticPaths } = createStartApp({
  spec,
  loaders: {
    post: async ({ slug }) => ({ post: await getPost(slug as string) }),
  },
});

State merge precedence is application state, layout state, page state, then loader data. getHead merges app and route metadata into TanStack meta and links descriptors. getStaticPaths includes static routes plus dynamic routes with staticParams. Convert its strings to { path } objects for TanStack Start's top-level pages plugin option. Loader params are URL-decoded, while values from staticParams are URL-encoded in generated paths. Route matching treats trailing slashes as optional and accepts encoded or decoded pathname representations so loader data and metadata resolve the same static route.

Route Wiring

tsx
import { createFileRoute, notFound } from "@tanstack/react-router";
import {
  PageRenderer,
  StartErrorBoundary,
  StartLoading,
  StartNotFound,
} from "@json-render/tanstack-start";
import { getHead, getPageData } from "@/lib/json-app";

export const Route = createFileRoute("/$")({
  loader: async ({ location }) => {
    const data = await getPageData({ pathname: location.pathname });
    if (!data) throw notFound();
    return data;
  },
  head: ({ match }) => getHead({ pathname: match.pathname }),
  component: () => <PageRenderer {...Route.useLoaderData()} />,
  pendingComponent: StartLoading,
  errorComponent: StartErrorBoundary,
  notFoundComponent: StartNotFound,
});

TanStack Router loaders run on both the server and client. If a spec factory or named loader uses credentials, database clients, or server-only imports, wrap getPageData and getHead in a TanStack Start createServerFn; do not import that server code directly into an isomorphic route loader.

Root Provider

Wrap the root route's Outlet with StartAppProvider. Render HeadContent so metadata from getHead reaches the document.

tsx
import {
  createRootRoute,
  HeadContent,
  Outlet,
  Scripts,
} from "@tanstack/react-router";
import { StartAppProvider } from "@json-render/tanstack-start";
import { spec } from "@/lib/spec";

export const Route = createRootRoute({
  component: () => (
    <html lang="en">
      <head>
        <HeadContent />
      </head>
      <body>
        <StartAppProvider
          registry={registry}
          handlers={handlers}
          spec={spec}
        >
          <Outlet />
        </StartAppProvider>
        <Scripts />
      </body>
    </html>
  ),
});

Use StartLoading, StartErrorBoundary, and StartNotFound for TanStack Router's pendingComponent, errorComponent, and notFoundComponent options. When StartAppProvider receives spec, each component selects the matched route's corresponding fallback. Explicit fallback props override that lookup. Pass named $computed implementations through StartAppProvider.functions. The default error boundary invalidates the router and reruns a failed loader when the user selects Try again.

Import React components from @json-render/tanstack-start. Import schema, createStartApp, matchRoute, resolveMetadata, and static path helpers from @json-render/tanstack-start/server.

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