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<input type="hidden" name="project[files][README.md]" value="# tRPC Integration for RivetKit

Example project demonstrating tRPC integration with [RivetKit](https://rivetkit.org).

[Learn More →](https://github.com/rivet-dev/rivetkit)

[Discord](https://rivet.dev/discord) — [Documentation](https://rivetkit.org) — [Issues](https://github.com/rivet-dev/rivetkit/issues)

## Getting Started

### Prerequisites

- Node.js

### Installation

```sh
git clone https://github.com/rivet-dev/rivetkit
cd rivetkit/examples/trpc
npm install
```

### Development

```sh
npm run dev
```

Run the client script to interact with the tRPC server:

```sh
npm run client
```

## License

Apache 2.0">
<input type="hidden" name="project[files][package.json]" value="{&quot;name&quot;:&quot;example-trpc&quot;,&quot;version&quot;:&quot;2.0.20&quot;,&quot;private&quot;:true,&quot;type&quot;:&quot;module&quot;,&quot;scripts&quot;:{&quot;dev&quot;:&quot;tsx --watch src/server.ts&quot;,&quot;client&quot;:&quot;tsx scripts/client.ts&quot;,&quot;check-types&quot;:&quot;tsc --noEmit&quot;},&quot;devDependencies&quot;:{&quot;rivetkit&quot;:&quot;https://pkg.pr.new/rivet-dev/rivetkit/rivetkit@54999214372f9ecb3f4251a3be45c7a0eb8dfacf&quot;,&quot;@types/node&quot;:&quot;^22.13.9&quot;,&quot;tsx&quot;:&quot;^3.12.7&quot;,&quot;typescript&quot;:&quot;^5.5.2&quot;},&quot;dependencies&quot;:{&quot;@trpc/client&quot;:&quot;^11.3.1&quot;,&quot;@trpc/server&quot;:&quot;^11.4.2&quot;,&quot;zod&quot;:&quot;^3.25.76&quot;},&quot;stableVersion&quot;:&quot;0.8.0&quot;}">
<input type="hidden" name="project[files][tsconfig.json]" value="{
  &quot;compilerOptions&quot;: {
    /* Visit https://aka.ms/tsconfig.json to read more about this file */

    /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
    &quot;target&quot;: &quot;esnext&quot;,
    /* Specify a set of bundled library declaration files that describe the target runtime environment. */
    &quot;lib&quot;: [&quot;esnext&quot;],

    /* Specify what module code is generated. */
    &quot;module&quot;: &quot;esnext&quot;,
    /* Specify how TypeScript looks up a file from a given module specifier. */
    &quot;moduleResolution&quot;: &quot;bundler&quot;,
    /* Specify type package names to be included without being referenced in a source file. */
    &quot;types&quot;: [&quot;node&quot;],
    /* Enable importing .json files */
    &quot;resolveJsonModule&quot;: true,

    /* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */
    &quot;allowJs&quot;: true,
    /* Enable error reporting in type-checked JavaScript files. */
    &quot;checkJs&quot;: false,

    /* Disable emitting files from a compilation. */
    &quot;noEmit&quot;: true,

    /* Ensure that each file can be safely transpiled without relying on other imports. */
    &quot;isolatedModules&quot;: true,
    /* Allow &#39;import x from y&#39; when a module doesn&#39;t have a default export. */
    &quot;allowSyntheticDefaultImports&quot;: true,
    /* Ensure that casing is correct in imports. */
    &quot;forceConsistentCasingInFileNames&quot;: true,

    /* Enable all strict type-checking options. */
    &quot;strict&quot;: true,

    /* Skip type checking all .d.ts files. */
    &quot;skipLibCheck&quot;: true
  },
  &quot;include&quot;: [&quot;src/**/*&quot;, &quot;scripts/**/*&quot;]
}
">
<input type="hidden" name="project[files][turbo.json]" value="{
  &quot;$schema&quot;: &quot;https://turbo.build/schema.json&quot;,
  &quot;extends&quot;: [&quot;//&quot;]
}
">
<input type="hidden" name="project[files][scripts/client.ts]" value="import { createTRPCClient, httpBatchLink } from &quot;@trpc/client&quot;;
import type { AppRouter } from &quot;../src/server.js&quot;;

// Create tRPC client
const client = createTRPCClient&lt;AppRouter&gt;({
	links: [
		httpBatchLink({
			url: &quot;http://localhost:3001&quot;,
		}),
	],
});

async function main() {
	console.log(&quot;🚀 tRPC Client Demo&quot;);

	try {
		// Increment counter
		console.log(&quot;Incrementing counter &#39;demo&#39;...&quot;);
		const result = await client.increment.mutate({ name: &quot;demo&quot; });
		console.log(&quot;New count:&quot;, result);

		// Increment again
		console.log(&quot;Incrementing counter &#39;demo&#39; again...&quot;);
		const result2 = await client.increment.mutate({ name: &quot;demo&quot; });
		console.log(&quot;New count:&quot;, result2);

		console.log(&quot;✅ Demo completed!&quot;);
	} catch (error) {
		console.error(&quot;❌ Error:&quot;, error);
		process.exit(1);
	}
}

main().catch(console.error);
">
<input type="hidden" name="project[files][src/registry.ts]" value="import { actor, setup } from &quot;rivetkit&quot;;

export const counter = actor({
	state: { count: 0 },
	actions: {
		increment: (c, x: number) =&gt; {
			c.state.count += x;
			return c.state.count;
		},
	},
});

export const registry = setup({
	use: { counter },
});
">
<input type="hidden" name="project[files][src/server.ts]" value="import { initTRPC } from &quot;@trpc/server&quot;;
import { createHTTPServer } from &quot;@trpc/server/adapters/standalone&quot;;
import { z } from &quot;zod&quot;;
import { registry } from &quot;./registry.js&quot;;

// Start RivetKit
const { client } = registry.start();

// Initialize tRPC
const t = initTRPC.create();

// Create tRPC router with RivetKit integration
const appRouter = t.router({
	// Increment a named counter
	increment: t.procedure
		.input(z.object({ name: z.string() }))
		.mutation(async ({ input }) =&gt; {
			const counter = client.counter.getOrCreate(input.name);
			const newCount = await counter.increment(1);
			return newCount;
		}),
});

// Export type for client
export type AppRouter = typeof appRouter;

// Create HTTP server
const server = createHTTPServer({
	router: appRouter,
});

server.listen(3001);

console.log(&quot;tRPC server listening at http://localhost:3001&quot;);
">
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<input type="hidden" name="project[title]" value="example-trpc">
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