Add react + rescript example

examples/react-rescript/.gitignore

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+**/*.trace
+**/*.zip
+**/*.tar.gz
+**/*.tgz
+**/*.log
+
+package-lock.json
+**/*.bun
+
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# ReScript
+/lib/
+.bsb.lock
+.merlin
+
+# Remove the following line if you wish to checkin built files.
+src/**/*.bs.js

examples/react-rescript/README.md

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+# React and ReScript with Bun runtime
+
+This is a React project using ReScript boostrapped with bun.
+
+## Getting Started
+
+### Cloning the repo
+
+```sh
+bun create react-rescript ./app
+```
+
+### Development
+
+First, start the ReScript compiler and run the development server.
+
+```
+bun run start
+```
+
+```
+bun dev
+```
+
+Open http://localhost:3000 with your browser to see the result.
+
+You can start editing the page by modifying src/App.res. The page auto-updates as you edit the file.

examples/react-rescript/bsconfig.json

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+{
+  "name": "bun-react-rescript",
+  "version": "0.0.1",
+  "sources": {
+    "dir" : "src",
+    "subdirs" : true
+  },
+  "package-specs": {
+    "module": "es6",
+    "in-source": true
+  },
+  "suffix": ".bs.js",
+  "reason": { "react-jsx": 3 },
+  "bs-dependencies": ["@rescript/react"],
+  "warnings": {
+    "error" : "+101"
+  }
+}

examples/react-rescript/package.json

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+{
+  "name": "@bun-examples/react-rescript",
+  "version": "0.0.1",
+  "dependencies": {
+    "@rescript/react": "^0.10.3",
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2",
+    "web-vitals": "^1.0.1"
+  },
+  "scripts": {
+    "build": "rescript",
+    "clean": "rescript clean -with-deps",
+    "start": "rescript build -w"
+  },
+  "eslintConfig": {
+    "extends": [
+      "react-app",
+      "react-app/jest"
+    ]
+  },
+  "devDependencies": {
+    "react-refresh": "0.10.0",
+    "rescript": "^9.1.4",
+    "typescript": "latest"
+  }
+}

examples/react-rescript/public/index.html

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+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="icon" href="favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="theme-color" content="#000000" />
+    <meta
+      name="description"
+      content="Web site created using create-react-app"
+    />
+    <link rel="apple-touch-icon" href="/logo192.png" />
+    <!--
+      manifest.json provides metadata used when your web app is installed on a
+      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
+    -->
+    <link rel="manifest" href="/manifest.json" />
+    <!--
+      Notice the use of %PUBLIC_URL% in the tags above.
+      It will be replaced with the URL of the `public` folder during the build.
+      Only files inside the `public` folder can be referenced from the HTML.
+
+      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
+      work correctly both with client-side routing and a non-root public URL.
+      Learn how to configure a non-root public URL by running `npm run build`.
+    -->
+    <title>React App</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root"></div>
+    <!--
+      This HTML file is a template.
+      If you open it directly in the browser, you will see an empty page.
+
+      You can add webfonts, meta tags, or analytics to this file.
+      The build step will place the bundled scripts into the <body> tag.
+
+      To begin the development, run `npm start` or `yarn start`.
+      To create a production bundle, use `npm run build` or `yarn build`.
+    -->
+    <script src="/src/index.bs.js" async type="module"></script>
+  </body>
+</html>

examples/react-rescript/public/manifest.json

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+{
+  "short_name": "React App",
+  "name": "Create React App Sample",
+  "icons": [
+    {
+      "src": "favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    },
+    {
+      "src": "logo192.png",
+      "type": "image/png",
+      "sizes": "192x192"
+    },
+    {
+      "src": "logo512.png",
+      "type": "image/png",
+      "sizes": "512x512"
+    }
+  ],
+  "start_url": ".",
+  "display": "standalone",
+  "theme_color": "#000000",
+  "background_color": "#ffffff"
+}

examples/react-rescript/public/robots.txt

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+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
+Disallow:

examples/react-rescript/src/App.css

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+.App {
+  text-align: center;
+}
+
+.App-logo {
+  height: 40vmin;
+  pointer-events: none;
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  .App-logo {
+    animation: App-logo-spin infinite 20s linear;
+  }
+}
+
+.App-header {
+  background-color: #282c34;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  font-size: calc(10px + 2vmin);
+  color: white;
+}
+
+.App-link {
+  color: #61dafb;
+}
+
+@keyframes App-logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}

examples/react-rescript/src/App.res

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+%%raw(`import "./App.css"`)
+
+@module("./logo.svg")
+external logo: string = "default"
+
+@react.component
+let make = () =>
+  <div className="App">
+    <header className="App-header">
+      <img src={logo} className="App-logo" alt="logo" />
+      <h3> {"Welcome to React!"->React.string} </h3>
+      <a className="App-link" href="https://reactjs.org" target="_blank" rel="noopener noreferrer">
+        {"Learn React"->React.string}
+      </a>
+    </header>
+  </div>

examples/react-rescript/src/index.css

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+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
+    monospace;
+}

examples/react-rescript/src/index.res

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+%%raw(`import "./index.css"`)
+
+switch ReactDOM.querySelector("#root") {
+| Some(root) => ReactDOM.render(<React.StrictMode> <App /> </React.StrictMode>, root)
+| None => () // do nothing
+}