Add application files.

Iamrazy · Nov 15, 2017 · 335e214 · 335e214
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diff --git a/jenkins/Jenkinsfile b/jenkins/Jenkinsfile
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+pipeline {
+    agent {
+        docker {
+            image 'node:6-alpine'
+            args '-p 3000:3000'
+        }
+    }
+    environment {
+        CI = 'true'
+    }
+    stages {
+        stage('Build') {
+            steps {
+                sh 'npm install'
+            }
+        }
+        stage('Test') {
+            steps {
+                sh './jenkins/scripts/test.sh'
+            }
+        }
+        stage('Deliver') {
+            steps {
+                sh './jenkins/scripts/deliver.sh'
+                input message: 'Finished using the web site? (Click "Proceed" to continue)'
+                sh './jenkins/scripts/kill.sh'
+            }
+        }
+    }
+}
diff --git a/jenkins/scripts/deliver.sh b/jenkins/scripts/deliver.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/env sh
+
+echo 'The following "npm" command builds your Node.js/React application for'
+echo 'production in the local "build" directory (i.e. within the'
+echo '"/var/jenkins_home/workspace/simple-node-js-react-app" directory),'
+echo 'correctly bundles React in production mode and optimizes the build for'
+echo 'the best performance.'
+set -x
+npm run build
+set +x
+
+echo 'The following "npm" command runs your Node.js/React application in'
+echo 'development mode and makes the application available for web browsing.'
+echo 'The "npm start" command has a trailing ampersand so that the command runs'
+echo 'as a background process (i.e. asynchronously). Otherwise, this command'
+echo 'can pause running builds of CI/CD applications indefinitely. "npm start"'
+echo 'is followed by another command that retrieves the process ID (PID) value'
+echo 'of the previously run process (i.e. "npm start") and writes this value to'
+echo 'the file ".pidfile".'
+set -x
+npm start &
+sleep 1
+echo $! > .pidfile
+set +x
+
+echo 'Now...'
+echo 'Visit http://localhost:3000 to see your Node.js/React application in action.'
+echo '(This is why you specified the "args ''-p 3000:3000''" parameter when you'
+echo 'created your initial Pipeline as a Jenkinsfile.)'
diff --git a/jenkins/scripts/kill.sh b/jenkins/scripts/kill.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env sh
+
+echo 'The following command terminates the "npm start" process using its PID'
+echo '(written to ".pidfile"), all of which were conducted when "deliver.sh"'
+echo 'was executed.'
+set -x
+kill $(cat .pidfile)
diff --git a/jenkins/scripts/test.sh b/jenkins/scripts/test.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env sh
+
+echo 'The following "npm" command (if executed) installs the "cross-env"'
+echo 'dependency into the local "node_modules" directory, which will ultimately'
+echo 'be stored in the Jenkins home directory. As described in'
+echo 'https://docs.npmjs.com/cli/install, the "--save-dev" flag causes the'
+echo '"cross-env" dependency to be installed as "devDependencies". For the'
+echo 'purposes of this tutorial, this flag is not important. However, when'
+echo 'installing this dependency, it would typically be done so using this'
+echo 'flag. For a comprehensive explanation about "devDependencies", see'
+echo 'https://stackoverflow.com/questions/18875674/whats-the-difference-between-dependencies-devdependencies-and-peerdependencies.'
+set -x
+# npm install --save-dev cross-env
+set +x
+
+echo 'The following "npm" command tests that your simple Node.js/React'
+echo 'application renders satisfactorily. This command actually invokes the test'
+echo 'runner Jest (https://facebook.github.io/jest/).'
+set -x
+npm test
diff --git a/package.json b/package.json
@@ -0,0 +1,16 @@
+{
+  "name": "my-app",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "react": "^16.0.0",
+    "react-dom": "^16.0.0",
+    "react-scripts": "1.0.14"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test --env=jsdom",
+    "eject": "react-scripts eject"
+  }
+}
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": "192x192",
+      "type": "image/png"
+    }
+  ],
+  "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 +1,8 @@
+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);
+});
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 +1,108 @@
+// 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) {
+        // Is not local host. Just register service worker
+        registerValidSW(swUrl);
+      } else {
+        // This is running on localhost. Lets check if a service worker still exists or not.
+        checkValidServiceWorker(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();
+    });
+  }
+}