sampi · sampi · Apr 21, 2018 · Apr 21, 2018
diff --git a/.gitignore b/.gitignore
@@ -57,3 +57,24 @@ typings/
 # dotenv environment variables file
 .env
 
+# See https://help.github.com/ignore-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+
+# 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*
diff --git a/README.md b/README.md
diff --git a/README.old.md b/README.old.md
@@ -0,0 +1,2 @@
+# create-react-app-hack
+Hacking create-react-app to work with Preact &amp; LESS without ejecting
diff --git a/package.json b/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "create-react-app-hack",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "react": "^16.3.2",
+    "react-dom": "^16.3.2",
+    "react-scripts": "1.1.4"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test --env=jsdom",
+    "eject": "react-scripts eject",
+    "preanalyze": "npm run build",
+    "analyze": "source-map-explorer --html build/static/js/main.* > packages.html"
+  },
+  "devDependencies": {
+    "source-map-explorer": "^1.5.0"
+  }
+}
diff --git a/packages.html b/packages.html
diff --git a/public/favicon.ico b/public/favicon.ico
diff --git a/public/index.html b/public/index.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+    <meta name="theme-color" content="#000000">
+    <!--
+      manifest.json provides metadata used when your web app is added to the
+      homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/
+    -->
+    <link rel="manifest" href="%PUBLIC_URL%/manifest.json">
+    <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
+    <!--
+      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`.
+    -->
+  </body>
+</html>
diff --git a/public/manifest.json b/public/manifest.json
@@ -0,0 +1,15 @@
+{
+  "short_name": "React App",
+  "name": "Create React App Sample",
+  "icons": [
+    {
+      "src": "favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    }
+  ],
+  "start_url": "./index.html",
+  "display": "standalone",
+  "theme_color": "#000000",
+  "background_color": "#ffffff"
+}
diff --git a/src/App.css b/src/App.css
@@ -0,0 +1,28 @@
+.App {
+  text-align: center;
+}
+
+.App-logo {
+  animation: App-logo-spin infinite 20s linear;
+  height: 80px;
+}
+
+.App-header {
+  background-color: #222;
+  height: 150px;
+  padding: 20px;
+  color: white;
+}
+
+.App-title {
+  font-size: 1.5em;
+}
+
+.App-intro {
+  font-size: large;
+}
+
+@keyframes App-logo-spin {
+  from { transform: rotate(0deg); }
+  to { transform: rotate(360deg); }
+}
diff --git a/src/App.js b/src/App.js
@@ -0,0 +1,21 @@
+import React, { Component } from 'react';
+import logo from './logo.svg';
+import './App.css';
+
+class App extends Component {
+	render() {
+		return (
+			<div className="App">
+				<header className="App-header">
+					<img src={logo} className="App-logo" alt="logo" />
+					<h1 className="App-title">Welcome to React</h1>
+				</header>
+				<p className="App-intro">
+					To get started, edit <code>src/App.js</code> and save to reload.
+				</p>
+			</div>
+		);
+	}
+}
+
+export default App;
diff --git a/src/App.test.js b/src/App.test.js
@@ -0,0 +1,9 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import App from './App';
+
+it('renders without crashing', () => {
+	const div = document.createElement('div');
+	ReactDOM.render(<App />, div);
+	ReactDOM.unmountComponentAtNode(div);
+});
diff --git a/src/index.css b/src/index.css
@@ -0,0 +1,5 @@
+body {
+  margin: 0;
+  padding: 0;
+  font-family: sans-serif;
+}
diff --git a/src/index.js b/src/index.js
@@ -0,0 +1,8 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import './index.css';
+import App from './App';
+import registerServiceWorker from './registerServiceWorker';
+
+ReactDOM.render(<App />, document.getElementById('root'));
+registerServiceWorker();
diff --git a/src/logo.svg b/src/logo.svg
diff --git a/src/registerServiceWorker.js b/src/registerServiceWorker.js
@@ -0,0 +1,113 @@
+// In production, we register a service worker to serve assets from local cache.
+
+// This lets the app load faster on subsequent visits in production, and gives
+// it offline capabilities. However, it also means that developers (and users)
+// will only see deployed updates on the "N+1" visit to a page, since previously
+// cached resources are updated in the background.
+
+// To learn more about the benefits of this model, read https://goo.gl/KwvDNy.
+// This link also includes instructions on opting out of this behavior.
+
+const isLocalhost = Boolean(
+	window.location.hostname === 'localhost' ||
+		// [::1] is the IPv6 localhost address.
+		window.location.hostname === '[::1]' ||
+		// 127.0.0.1/8 is considered localhost for IPv4.
+		window.location.hostname.match(/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/)
+);
+
+export default function register() {
+	if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+		// The URL constructor is available in all browsers that support SW.
+		const publicUrl = new URL(process.env.PUBLIC_URL, window.location);
+		if (publicUrl.origin !== window.location.origin) {
+			// Our service worker won't work if PUBLIC_URL is on a different origin
+			// from what our page is served on. This might happen if a CDN is used to
+			// serve assets; see https://github.com/facebookincubator/create-react-app/issues/2374
+			return;
+		}
+
+		window.addEventListener('load', () => {
+			const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
+
+			if (isLocalhost) {
+				// This is running on localhost. Lets check if a service worker still exists or not.
+				checkValidServiceWorker(swUrl);
+
+				// Add some additional logging to localhost, pointing developers to the
+				// service worker/PWA documentation.
+				navigator.serviceWorker.ready.then(() => {
+					console.log(
+						'This web app is being served cache-first by a service ' +
+							'worker. To learn more, visit https://goo.gl/SC7cgQ'
+					);
+				});
+			} else {
+				// Is not local host. Just register service worker
+				registerValidSW(swUrl);
+			}
+		});
+	}
+}
+
+function registerValidSW(swUrl) {
+	navigator.serviceWorker
+		.register(swUrl)
+		.then(registration => {
+			registration.onupdatefound = () => {
+				const installingWorker = registration.installing;
+				installingWorker.onstatechange = () => {
+					if (installingWorker.state === 'installed') {
+						if (navigator.serviceWorker.controller) {
+							// At this point, the old content will have been purged and
+							// the fresh content will have been added to the cache.
+							// It's the perfect time to display a "New content is
+							// available; please refresh." message in your web app.
+							console.log('New content is available; please refresh.');
+						} else {
+							// At this point, everything has been precached.
+							// It's the perfect time to display a
+							// "Content is cached for offline use." message.
+							console.log('Content is cached for offline use.');
+						}
+					}
+				};
+			};
+		})
+		.catch(error => {
+			console.error('Error during service worker registration:', error);
+		});
+}
+
+function checkValidServiceWorker(swUrl) {
+	// Check if the service worker can be found. If it can't reload the page.
+	fetch(swUrl)
+		.then(response => {
+			// Ensure service worker exists, and that we really are getting a JS file.
+			if (
+				response.status === 404 ||
+				response.headers.get('content-type').indexOf('javascript') === -1
+			) {
+				// No service worker found. Probably a different app. Reload the page.
+				navigator.serviceWorker.ready.then(registration => {
+					registration.unregister().then(() => {
+						window.location.reload();
+					});
+				});
+			} else {
+				// Service worker found. Proceed as normal.
+				registerValidSW(swUrl);
+			}
+		})
+		.catch(() => {
+			console.log('No internet connection found. App is running in offline mode.');
+		});
+}
+
+export function unregister() {
+	if ('serviceWorker' in navigator) {
+		navigator.serviceWorker.ready.then(registration => {
+			registration.unregister();
+		});
+	}
+}