Suspense

信息

• 确保您使用的是最新版本的 React
• 如果您在 Next.js 中使用 tRPC 的自动 SSR，如果查询失败，整个页面将在服务器上崩溃，即使您有 <ErrorBoundary />

用法

提示

useSuspenseQuery 和 useSuspenseInfiniteQuery 都返回一个 [data, query] 元组，以便轻松直接使用数据并将变量重命名为描述性名称

useSuspenseQuery()

tsx
// @filename: pages/index.tsx
import React from 'react';
import { trpc } from '../utils/trpc';
 
function PostView() {
  const [post, postQuery] = trpc.post.byId.useSuspenseQuery({ id: '1' });
          
const post: {
    id: string;
    title: string;
}
 
  return <>{/* ... */}</>;
}

tsx
// @filename: pages/index.tsx
import React from 'react';
import { trpc } from '../utils/trpc';
 
function PostView() {
  const [post, postQuery] = trpc.post.byId.useSuspenseQuery({ id: '1' });
          
const post: {
    id: string;
    title: string;
}
 
  return <>{/* ... */}</>;
}

useSuspenseInfiniteQuery()

tsx
// @filename: pages/index.tsx
import React from 'react';
import { trpc } from '../utils/trpc';
function PostView() {
  const [pages, allPostsQuery] = trpc.post.all.useSuspenseInfiniteQuery(
    {},
    {
      getNextPageParam(lastPage) {
        return lastPage.nextCursor;
      },
    },
  );
  const { isFetching, isFetchingNextPage, fetchNextPage, hasNextPage } =
    allPostsQuery;
  return <>{/* ... */}</>;
}

tsx
// @filename: pages/index.tsx
import React from 'react';
import { trpc } from '../utils/trpc';
function PostView() {
  const [pages, allPostsQuery] = trpc.post.all.useSuspenseInfiniteQuery(
    {},
    {
      getNextPageParam(lastPage) {
        return lastPage.nextCursor;
      },
    },
  );
  const { isFetching, isFetchingNextPage, fetchNextPage, hasNextPage } =
    allPostsQuery;
  return <>{/* ... */}</>;
}

useSuspenseQueries()

Suspense 等同于 useQueries()。

tsx
const Component = (props: { postIds: string[] }) => {
  const [posts, postQueries] = trpc.useSuspenseQueries((t) =>
    props.postIds.map((id) => t.post.byId({ id })),
  );
  return <>{/* [...] */}</>;
};

tsx
const Component = (props: { postIds: string[] }) => {
  const [posts, postQueries] = trpc.useSuspenseQueries((t) =>
    props.postIds.map((id) => t.post.byId({ id })),
  );
  return <>{/* [...] */}</>;
};