React: Add official cra-template

.eslintignore

@@ -27,4 +27,4 @@ ember-output
 !.eslintrc-markdown.js
 !.jest.config.js
 !.storybook
-
+lib/cra-template/template

.prettierignore

@@ -0,0 +1 @@
+lib/cra-template/template

lib/cra-template/README.md

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+# @storybook/cra-template
+
+This is the Storybook template for [Create React App](https://github.com/facebook/create-react-app).
+
+To use this template, add `--template @storybook` when creating a new app.
+
+For example:
+
+```sh
+npx create-react-app my-app --template @storybook
+
+# or
+
+yarn create react-app my-app --template @storybook
+```
+
+For more information, please refer to:
+
+- [Getting Started](https://create-react-app.dev/docs/getting-started) – How to create a new app.
+- [User Guide](https://create-react-app.dev) – How to develop apps bootstrapped with Create React App.
+- [Storybook Guide](https://storybook.js.org) – How to get started with Storybook.

lib/cra-template/package.json

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+{
+  "name": "@storybook/cra-template",
+  "version": "6.0.0-beta.8",
+  "description": "Storybook's official template for Create React App",
+  "keywords": [
+    "cra-template",
+    "create-react-app",
+    "template",
+    "storybook"
+  ],
+  "homepage": "https://github.com/storybookjs/storybook/tree/master/lib/cra-template",
+  "bugs": {
+    "url": "https://github.com/storybookjs/storybook/issues"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/storybookjs/storybook.git",
+    "directory": "lib/cra-template"
+  },
+  "license": "MIT",
+  "author": "Storybook Team",
+  "main": "template.json",
+  "files": [
+    "template",
+    "template.json"
+  ],
+  "engines": {
+    "node": ">=10"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "gitHead": "4b9d901add9452525135caae98ae5f78dd8da9ff"
+}

lib/cra-template/template.json

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+{
+  "package": {
+    "scripts": {
+      "storybook": "start-storybook -p 6006",
+      "build-storybook": "build-storybook"
+    },
+    "dependencies": {
+      "@testing-library/react": "^10.0.4",
+      "@testing-library/jest-dom": "^5.5.0",
+      "@testing-library/user-event": "^10.1.0",
+      "@storybook/addon-actions": "^6.0.0-beta.8",
+      "@storybook/addon-docs": "^6.0.0-beta.8",
+      "@storybook/addons": "^6.0.0-beta.8",
+      "@storybook/preset-create-react-app": "^2.1.2",
+      "@storybook/react": "^6.0.0-beta.8"
+    }
+  }
+}

lib/cra-template/template/.storybook/main.js

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+module.exports = {
+  stories: ['../src/**/*.stories.(js|jsx|ts|tsx|mdx)'],
+  addons: [
+    '@storybook/preset-create-react-app',
+    '@storybook/addon-actions',
+    '@storybook/addon-docs',
+  ],
+};

lib/cra-template/template/README.md

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+This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
+
+## Available Scripts
+
+In the project directory, you can run:
+
+### `npm start`
+
+Runs the app in the development mode.<br />
+Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
+
+The page will reload if you make edits.<br />
+You will also see any lint errors in the console.
+
+### `npm test`
+
+Launches the test runner in the interactive watch mode.<br />
+See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
+
+### `npm run build`
+
+Builds the app for production to the `build` folder.<br />
+It correctly bundles React in production mode and optimizes the build for the best performance.
+
+The build is minified and the filenames include the hashes.<br />
+Your app is ready to be deployed!
+
+See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
+
+## `npm run storybook`
+
+Runs your storybook in development mode.
+
+Now you can develop your components and write stories and see the changes in Storybook immediately since it uses Webpack’s hot module reloading.
+
+## `npm run build-storybook`
+
+Build the storybook configured in the Storybook directory into a static web app and place it inside the `storybook-static` directory. Now you can deploy the content in the `storybook-static` directory wherever you want.
+
+To test it locally:
+
+```sh
+npx serve -s storybook-static
+```
+
+### `npm run eject`
+
+**Note: this is a one-way operation. Once you `eject`, you can’t go back!**
+
+If you aren’t satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
+
+Instead, it will copy all the configuration files and the transitive dependencies (Webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own.
+
+You don’t have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it.
+
+## Learn More
+
+You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
+
+To learn React, check out the [React documentation](https://reactjs.org/).
+
+To learn more about Storybook, check out the [Storybook documentation](https://storybook.js.org/docs/basics/introduction/).

lib/cra-template/template/gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+/storybook-static
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

lib/cra-template/template/public/index.html

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+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="icon" href="%PUBLIC_URL%/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="%PUBLIC_URL%/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="%PUBLIC_URL%/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`.
+    -->
+  </body>
+</html>

lib/cra-template/template/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"
+}

lib/cra-template/template/public/robots.txt

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

lib/cra-template/template/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);
+  }
+}

lib/cra-template/template/src/App.js

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+import React from 'react';
+import logo from './logo.svg';
+import './App.css';
+
+function App() {
+  return (
+    <div className="App">
+      <header className="App-header">
+        <img src={logo} className="App-logo" alt="logo" />
+        <p>
+          Edit <code>src/App.js</code> and save to reload.
+        </p>
+        <a
+          className="App-link"
+          href="https://reactjs.org"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          Learn React
+        </a>
+      </header>
+    </div>
+  );
+}
+
+export default App;

lib/cra-template/template/src/App.test.js

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+import React from 'react';
+import { render, screen } from '@testing-library/react';
+import App from './App';
+
+test('renders learn react link', () => {
+  render(<App />);
+  const linkElement = screen.getByText(/learn react/i);
+  expect(linkElement).toBeInTheDocument();
+});

lib/cra-template/template/src/Welcome.stories.mdx

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+import { Meta, Story, Preview } from '@storybook/addon-docs/blocks';
+import { action } from '@storybook/addon-actions';
+import { Welcome, Button } from '@storybook/react/demo';
+
+<Meta title="Welcome" component={Button} />
+
+# Welcome to storybook
+
+This is a UI component dev environment for your app.
+
+We've added some basic stories inside the `src/` directory.  
+A story is a single state of one or more UI components. You can have as many stories as you want.  
+(Basically a story is like a visual test case.)
+
+See this sample story for a component called Button.
+
+<Preview withToolbar>
+  <Story name="to Storybook">
+    <Button onClick={action('clicked')}>Hello Button</Button>
+  </Story>
+</Preview>
+
+Just like that, you can add your own components as stories.  
+You can also edit those components and see changes right away.  
+(Try editing this story located at `src/Welcome.stories.mdx`.)
+
+Usually we create stories with smaller UI components in the app.  
+Have a look at the [Writing Stories](https://storybook.js.org/docs/basics/writing-stories/) section in our documentation.

lib/cra-template/template/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;
+}

lib/cra-template/template/src/index.js

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+import React from 'react';
+import ReactDOM from 'react-dom';
+import './index.css';
+import App from './App';
+import * as serviceWorker from './serviceWorker';
+
+ReactDOM.render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>,
+  document.getElementById('root')
+);
+
+// If you want your app to work offline and load faster, you can change
+// unregister() to register() below. Note this comes with some pitfalls.
+// Learn more about service workers: https://cra.link/PWA
+serviceWorker.unregister();