教程 - 带 API 的 React SPA

import { defineConfig } from "vite";
import react from "@vitejs/plugin-react";
import { cloudflare } from "@cloudflare/vite-plugin";

export default defineConfig({
	plugins: [react(), cloudflare()],
});

.wrangler
.dev.vars*

{
	"extends": "./tsconfig.node.json",
	"compilerOptions": {
		"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.worker.tsbuildinfo",
		"types": ["@cloudflare/workers-types", "vite/client"],
	},
	"include": ["worker"],
}

{
	"files": [],
	"references": [
		{ "path": "./tsconfig.app.json" },
		{ "path": "./tsconfig.node.json" },
		{ "path": "./tsconfig.worker.json" },
	],
}

export default {
	fetch(request) {
		const url = new URL(request.url);

		if (url.pathname.startsWith("/api/")) {
			return Response.json({
				name: "Cloudflare",
			});
		}

		return new Response(null, { status: 404 });
	},
} satisfies ExportedHandler;

import { useState } from "react";
import reactLogo from "./assets/react.svg";
import viteLogo from "/vite.svg";
import "./App.css";

function App() {
	const [count, setCount] = useState(0);
	const [name, setName] = useState("unknown");

	return (
		<>
			<div>
				<a href="https://vite.dev" target="_blank">
					<img src={viteLogo} className="logo" alt="Vite logo" />
				</a>
				<a href="https://react.dev" target="_blank">
					<img src={reactLogo} className="logo react" alt="React logo" />
				</a>
			</div>
			<h1>Vite + React</h1>
			<div className="card">
				<button
					onClick={() => setCount((count) => count + 1)}
					aria-label="increment"
				>
					count is {count}
				</button>
				<p>
					Edit <code>src/App.tsx</code> and save to test HMR
				</p>
			</div>
			<div className="card">
				<button
					onClick={() => {
						fetch("/api/")
							.then((res) => res.json() as Promise<{ name: string }>)
							.then((data) => setName(data.name));
					}}
					aria-label="get name"
				>
					Name from API is: {name}
				</button>
				<p>
					Edit <code>api/index.ts</code> to change the name
				</p>
			</div>
			<p className="read-the-docs">
				Click on the Vite and React logos to learn more
			</p>
		</>
	);
}

export default App;