tutorial and multipage layout

package-lock.json

@@ -3094,6 +3094,11 @@
       "resolved": "https://registry.npmjs.org/boolbase/-/boolbase-1.0.0.tgz",
       "integrity": "sha1-aN/1++YMUes3cl6p4+0xDcwed24="
     },
+    "bootstrap": {
+      "version": "4.5.2",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.5.2.tgz",
+      "integrity": "sha512-vlGn0bcySYl/iV+BGA544JkkZP5LB3jsmkeKLFQakCOwCM3AOk7VkldBz4jrzSe+Z0Ezn99NVXa1o45cQY4R6A=="
+    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -3538,6 +3543,11 @@
         }
       }
     },
+    "classnames": {
+      "version": "2.2.6",
+      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.2.6.tgz",
+      "integrity": "sha512-JR/iSQOSt+LQIWwrwEzJ9uk0xfN3mTVYMwt1Ir5mUcSN6pU+V4zQFFaJsclJbPuAUQH+yfWef6tm7l1quW3C8Q=="
+    },
     "clean-css": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.3.tgz",
@@ -3945,6 +3955,15 @@
         "sha.js": "^2.4.8"
       }
     },
+    "create-react-context": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/create-react-context/-/create-react-context-0.3.0.tgz",
+      "integrity": "sha512-dNldIoSuNSvlTJ7slIKC/ZFGKexBMBrrcc+TTe1NdmROnaASuLPvqpwj9v4XS4uXZ8+YPu0sNmShX2rXI5LNsw==",
+      "requires": {
+        "gud": "^1.0.0",
+        "warning": "^4.0.3"
+      }
+    },
     "cross-spawn": {
       "version": "6.0.5",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
@@ -4573,6 +4592,14 @@
         "utila": "~0.4"
       }
     },
+    "dom-helpers": {
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/dom-helpers/-/dom-helpers-3.4.0.tgz",
+      "integrity": "sha512-LnuPJ+dwqKDIyotW1VzmOZ5TONUN7CwkCR5hrgawTUbkBGYdeoNLZo6nNfGkCrjtE1nXXaj7iMMpDa8/d9WoIA==",
+      "requires": {
+        "@babel/runtime": "^7.1.2"
+      }
+    },
     "dom-serializer": {
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-0.2.2.tgz",
@@ -6217,6 +6244,11 @@
       "resolved": "https://registry.npmjs.org/growly/-/growly-1.3.0.tgz",
       "integrity": "sha1-8QdIy+dq+WS3yWyTxrzCivEgwIE="
     },
+    "gud": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/gud/-/gud-1.0.0.tgz",
+      "integrity": "sha512-zGEOVKFM5sVPPrYs7J5/hYEw2Pof8KCyOwyhG8sAF26mCAeUFAcYPu1mwB7hhpIP29zOIBaDqwuHdLp0jvZXjw=="
+    },
     "gzip-size": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/gzip-size/-/gzip-size-5.1.1.tgz",
@@ -6355,6 +6387,19 @@
       "resolved": "https://registry.npmjs.org/hex-color-regex/-/hex-color-regex-1.1.0.tgz",
       "integrity": "sha512-l9sfDFsuqtOqKDsQdqrMRk0U85RZc0RtOR9yPI7mRVOa4FsR/BVnZ0shmQRM96Ji99kYZP/7hn1cedc1+ApsTQ=="
     },
+    "history": {
+      "version": "4.10.1",
+      "resolved": "https://registry.npmjs.org/history/-/history-4.10.1.tgz",
+      "integrity": "sha512-36nwAD620w12kuzPAsyINPWJqlNbij+hpK1k9XRloDtym8mxzGYl2c17LnV6IAGB2Dmg4tEa7G7DlawS0+qjew==",
+      "requires": {
+        "@babel/runtime": "^7.1.2",
+        "loose-envify": "^1.2.0",
+        "resolve-pathname": "^3.0.0",
+        "tiny-invariant": "^1.0.2",
+        "tiny-warning": "^1.0.0",
+        "value-equal": "^1.0.1"
+      }
+    },
     "hmac-drbg": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/hmac-drbg/-/hmac-drbg-1.0.1.tgz",
@@ -6365,6 +6410,14 @@
         "minimalistic-crypto-utils": "^1.0.1"
       }
     },
+    "hoist-non-react-statics": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz",
+      "integrity": "sha512-/gGivxi8JPKWNm/W0jSmzcMPpfpPLc3dY/6GxhX2hQ9iGj3aDfklV4ET7NjKpSinLpJ5vafa9iiGIEZg10SfBw==",
+      "requires": {
+        "react-is": "^16.7.0"
+      }
+    },
     "hosted-git-info": {
       "version": "2.8.8",
       "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.8.tgz",
@@ -8260,6 +8313,15 @@
       "resolved": "https://registry.npmjs.org/min-indent/-/min-indent-1.0.1.tgz",
       "integrity": "sha512-I9jwMn07Sy/IwOj3zVkVik2JTvgpaykDZEigL6Rx6N9LbMywwUSMtxET+7lVoDLLd3O3IXwJwvuuns8UB/HeAg=="
     },
+    "mini-create-react-context": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/mini-create-react-context/-/mini-create-react-context-0.4.0.tgz",
+      "integrity": "sha512-b0TytUgFSbgFJGzJqXPKCFCBWigAjpjo+Fl7Vf7ZbKRDptszpppKxXH6DRXEABZ/gcEQczeb0iZ7JvL8e8jjCA==",
+      "requires": {
+        "@babel/runtime": "^7.5.5",
+        "tiny-warning": "^1.0.3"
+      }
+    },
     "mini-css-extract-plugin": {
       "version": "0.9.0",
       "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-0.9.0.tgz",
@@ -9279,6 +9341,11 @@
         "ts-pnp": "^1.1.6"
       }
     },
+    "popper.js": {
+      "version": "1.16.1",
+      "resolved": "https://registry.npmjs.org/popper.js/-/popper.js-1.16.1.tgz",
+      "integrity": "sha512-Wb4p1J4zyFTbM+u6WuO4XstYx4Ky9Cewe4DWrel7B0w6VVICvPwdOpotjzcf6eD8TsckVnIMNONQyPIUFOUbCQ=="
+    },
     "portfinder": {
       "version": "1.0.28",
       "resolved": "https://registry.npmjs.org/portfinder/-/portfinder-1.0.28.tgz",
@@ -10720,6 +10787,71 @@
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
       "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ=="
     },
+    "react-lifecycles-compat": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/react-lifecycles-compat/-/react-lifecycles-compat-3.0.4.tgz",
+      "integrity": "sha512-fBASbA6LnOU9dOU2eW7aQ8xmYBSXUIWr+UmF9b1efZBazGNO+rcXT/icdKnYm2pTwcRylVUYwW7H1PHfLekVzA=="
+    },
+    "react-popper": {
+      "version": "1.3.7",
+      "resolved": "https://registry.npmjs.org/react-popper/-/react-popper-1.3.7.tgz",
+      "integrity": "sha512-nmqYTx7QVjCm3WUZLeuOomna138R1luC4EqkW3hxJUrAe+3eNz3oFCLYdnPwILfn0mX1Ew2c3wctrjlUMYYUww==",
+      "requires": {
+        "@babel/runtime": "^7.1.2",
+        "create-react-context": "^0.3.0",
+        "deep-equal": "^1.1.1",
+        "popper.js": "^1.14.4",
+        "prop-types": "^15.6.1",
+        "typed-styles": "^0.0.7",
+        "warning": "^4.0.2"
+      }
+    },
+    "react-router": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/react-router/-/react-router-5.2.0.tgz",
+      "integrity": "sha512-smz1DUuFHRKdcJC0jobGo8cVbhO3x50tCL4icacOlcwDOEQPq4TMqwx3sY1TP+DvtTgz4nm3thuo7A+BK2U0Dw==",
+      "requires": {
+        "@babel/runtime": "^7.1.2",
+        "history": "^4.9.0",
+        "hoist-non-react-statics": "^3.1.0",
+        "loose-envify": "^1.3.1",
+        "mini-create-react-context": "^0.4.0",
+        "path-to-regexp": "^1.7.0",
+        "prop-types": "^15.6.2",
+        "react-is": "^16.6.0",
+        "tiny-invariant": "^1.0.2",
+        "tiny-warning": "^1.0.0"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+        },
+        "path-to-regexp": {
+          "version": "1.8.0",
+          "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-1.8.0.tgz",
+          "integrity": "sha512-n43JRhlUKUAlibEJhPeir1ncUID16QnEjNpwzNdO3Lm4ywrBpBZ5oLD0I6br9evr1Y9JTqwRtAh7JLoOzAQdVA==",
+          "requires": {
+            "isarray": "0.0.1"
+          }
+        }
+      }
+    },
+    "react-router-dom": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-5.2.0.tgz",
+      "integrity": "sha512-gxAmfylo2QUjcwxI63RhQ5G85Qqt4voZpUXSEqCwykV0baaOTQDR1f0PmY8AELqIyVc0NEZUj0Gov5lNGcXgsA==",
+      "requires": {
+        "@babel/runtime": "^7.1.2",
+        "history": "^4.9.0",
+        "loose-envify": "^1.3.1",
+        "prop-types": "^15.6.2",
+        "react-router": "5.2.0",
+        "tiny-invariant": "^1.0.2",
+        "tiny-warning": "^1.0.0"
+      }
+    },
     "react-scripts": {
       "version": "3.4.3",
       "resolved": "https://registry.npmjs.org/react-scripts/-/react-scripts-3.4.3.tgz",
@@ -10780,6 +10912,29 @@
         "workbox-webpack-plugin": "4.3.1"
       }
     },
+    "react-transition-group": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/react-transition-group/-/react-transition-group-2.9.0.tgz",
+      "integrity": "sha512-+HzNTCHpeQyl4MJ/bdE0u6XRMe9+XG/+aL4mCxVN4DnPBQ0/5bfHWPDuOZUzYdMj94daZaZdCCc1Dzt9R/xSSg==",
+      "requires": {
+        "dom-helpers": "^3.4.0",
+        "loose-envify": "^1.4.0",
+        "prop-types": "^15.6.2",
+        "react-lifecycles-compat": "^3.0.4"
+      }
+    },
+    "reactstrap": {
+      "version": "8.6.0",
+      "resolved": "https://registry.npmjs.org/reactstrap/-/reactstrap-8.6.0.tgz",
+      "integrity": "sha512-03/UMbLPR6MhVStVUfCLuKh8xh4JOtNVkRxDB9/uHixN+cEQPOpSYa0K69YyK1/2YdZBs2qS6y0cQkK8NQKBHA==",
+      "requires": {
+        "@babel/runtime": "^7.2.0",
+        "classnames": "^2.2.3",
+        "prop-types": "^15.5.8",
+        "react-popper": "^1.3.6",
+        "react-transition-group": "^2.3.1"
+      }
+    },
     "read-pkg": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-3.0.0.tgz",
@@ -11102,6 +11257,11 @@
       "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-3.0.0.tgz",
       "integrity": "sha1-six699nWiBvItuZTM17rywoYh0g="
     },
+    "resolve-pathname": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/resolve-pathname/-/resolve-pathname-3.0.0.tgz",
+      "integrity": "sha512-C7rARubxI8bXFNB/hqcp/4iUeIXJhJZvFPFPiSPRnhU5UPxzMFIl+2E6yY6c4k9giDJAhtV+enfA+G89N6Csng=="
+    },
     "resolve-url": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/resolve-url/-/resolve-url-0.2.1.tgz",
@@ -12600,6 +12760,16 @@
       "resolved": "https://registry.npmjs.org/timsort/-/timsort-0.3.0.tgz",
       "integrity": "sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q="
     },
+    "tiny-invariant": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/tiny-invariant/-/tiny-invariant-1.1.0.tgz",
+      "integrity": "sha512-ytxQvrb1cPc9WBEI/HSeYYoGD0kWnGEOR8RY6KomWLBVhqz0RgTwVO9dLrGz7dC+nN9llyI7OKAgRq8Vq4ZBSw=="
+    },
+    "tiny-warning": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/tiny-warning/-/tiny-warning-1.0.3.tgz",
+      "integrity": "sha512-lBN9zLN/oAf68o3zNXYrdCt1kP8WsiGW8Oo2ka41b2IM5JL/S1CTyX1rW0mb/zSuJun0ZUrDxx4sqvYS2FWzPA=="
+    },
     "tmp": {
       "version": "0.0.33",
       "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
@@ -12736,6 +12906,11 @@
         "mime-types": "~2.1.24"
       }
     },
+    "typed-styles": {
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/typed-styles/-/typed-styles-0.0.7.tgz",
+      "integrity": "sha512-pzP0PWoZUhsECYjABgCGQlRGL1n7tOHsgwYv3oIiEpJwGhFTuty/YNeduxQYzXXa3Ge5BdT6sHYIQYpl4uJ+5Q=="
+    },
     "typedarray": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
@@ -12991,6 +13166,11 @@
         "spdx-expression-parse": "^3.0.0"
       }
     },
+    "value-equal": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/value-equal/-/value-equal-1.0.1.tgz",
+      "integrity": "sha512-NOJ6JZCAWr0zlxZt+xqCHNTEKOsrks2HQd4MqhP1qy4z1SkbEP467eNx6TgDKXMvUOb+OENfJCZwM+16n7fRfw=="
+    },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -13047,6 +13227,14 @@
         "makeerror": "1.0.x"
       }
     },
+    "warning": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/warning/-/warning-4.0.3.tgz",
+      "integrity": "sha512-rpJyN222KWIvHJ/F53XSZv0Zl/accqHR8et1kpaMTD/fLCRxtV8iX8czMzY7sVZupTI3zcUTg8eycS2kNF9l6w==",
+      "requires": {
+        "loose-envify": "^1.0.0"
+      }
+    },
     "watchpack": {
       "version": "1.7.4",
       "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.7.4.tgz",

package.json

@@ -6,9 +6,12 @@
     "@testing-library/jest-dom": "^4.2.4",
     "@testing-library/react": "^9.5.0",
     "@testing-library/user-event": "^7.2.1",
+    "bootstrap": "^4.5.2",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",
-    "react-scripts": "3.4.3"
+    "react-router-dom": "^5.2.0",
+    "react-scripts": "3.4.3",
+    "reactstrap": "^8.6.0"
   },
   "scripts": {
     "start": "react-scripts start",

public/index.html

@@ -1,43 +1,8 @@
-<!DOCTYPE html>
-<html lang="en">
+<html>
   <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>

public/manifest.json

@@ -1,25 +0,0 @@
-{
-  "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"
-}

public/robots.txt

@@ -1,3 +0,0 @@
-# https://www.robotstxt.org/robotstxt.html
-User-agent: *
-Disallow:

src/About.js

@@ -0,0 +1,17 @@
+import React from "react";
+
+export default class About extends React.Component{
+  render(){
+    return (
+      <div className="about">
+        <div class="container">
+          <div class="row align-items-center my-5">
+            <div class="col-lg-5">
+              <h1 class="font-weight-light">About</h1>
+            </div>
+          </div>
+        </div>
+      </div>
+    );
+  }
+}

src/App.css

@@ -1,38 +0,0 @@
-.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);
-  }
-}

src/App.js

@@ -1,26 +1,61 @@
 import React from 'react';
-import logo from './logo.svg';
-import './App.css';
+import User from './User';
 
-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>
-  );
-}
+import { BrowserRouter as Router, Route, Switch } from "react-router-dom";
+import Navigation from './Navigation';
+import Footer from './Footer';
+import Home from './Home';
+import About  from './About';
 
-export default App;
+export class App extends React.Component{
+    constructor(props){
+        super(props)
+        this.state = {
+            userList: [
+              {name: "Hugo", counter: 0},
+              {name: "Bert", counter: 0},
+              {name: "Sepp", counter: 0},
+              {name: "Lisa", counter: 0},
+              {name: "Susi", counter: 0},
+              
+            ]
+        }
+    }
+    
+    doClick(idx){
+      let listCopy = this.state.userList.slice();
+      listCopy[idx].counter++;
+      this.setState({userList: listCopy})
+    }
+    
+    hello(){
+      return <p>hello</p>
+    }
+    
+    render(){
+        return (
+          <div>
+              <Router>
+                <Navigation />
+                <Switch>
+                  <Route path="/" component={Home} />
+                  <Route path="/about" component={About} />
+                </Switch>
+                <Footer />
+              </Router>
+              
+              {this.props.title}
+              {this.state.userList.map((user, idx) =>
+                  <User
+                      name={user.name}
+                      counter={user.counter}
+                      doClick={() => this.doClick(idx)}
+                      app={this}
+                      title={this.props.title}
+                  />
+                )}
+          </div>
+        )
+    }
+
+}

src/App.test.js

@@ -1,9 +0,0 @@
-import React from 'react';
-import { render } from '@testing-library/react';
-import App from './App';
-
-test('renders learn react link', () => {
-  const { getByText } = render(<App />);
-  const linkElement = getByText(/learn react/i);
-  expect(linkElement).toBeInTheDocument();
-});

src/Footer.js

@@ -0,0 +1,17 @@
+import React from "react";
+
+export default class Footer extends React.Component{
+  render(){
+    return (
+      <div className="footer">
+        <footer class="py-2 bg-dark fixed-bottom">
+          <div class="container">
+            <p class="m-0 text-center text-white">
+              Bernadette Hammerle | Bachelorarbeit
+            </p>
+          </div>
+        </footer>
+      </div>
+    );
+  }
+}

src/Home.js

@@ -0,0 +1,17 @@
+import React from "react";
+
+export default class Home extends React.Component{
+  render(){
+    return (
+      <div className="home">
+        <div class="container">
+          <div class="row align-items-center my-5">
+            <div class="col-lg-5">
+              <h1 class="font-weight-light">Home</h1>
+            </div>
+          </div>
+        </div>
+      </div>
+    );
+  }
+}

src/Navigation.js

@@ -0,0 +1,31 @@
+import React from "react";
+import { Link, withRouter } from "react-router-dom";
+
+class Navigation extends React.Component{
+    render(){
+        return (
+          <div className="navigation">
+            <nav class="navbar navbar-expand navbar-dark bg-dark">
+              <div class="container">
+                <Link class="navbar-brand" to="/">
+                  React Libraries
+                </Link>
+                
+                
+                  <ul class="navbar-nav ml-auto">
+                    <li class={`nav-item  ${this.props.location.pathname === "/" ? "active" : ""}`}>
+                      <Link class="nav-link" to="/">Home</Link>
+                    </li>
+                    <li class={`nav-item  ${this.props.location.pathname === "/about" ? "active" : ""}`}>
+                      <Link class="nav-link" to="/about">About</Link>
+                    </li>
+                  </ul>
+               
+              </div>
+            </nav>
+          </div>
+        );
+    }
+}
+
+export default withRouter(Navigation);

src/User.js

@@ -0,0 +1,16 @@
+import React from 'react';
+
+export default class User extends React.Component{    
+    render(){
+        return (
+          <div>
+            {"Name = " + this.props.name}
+            {", Counter = " + this.props.counter + ", "}
+            <button onClick={(idx) => this.props.doClick(idx)}>Increment</button>
+            {this.props.app.hello()}
+            {this.props.title}
+          </div>
+        )
+    }
+
+}

src/index.css

@@ -1,13 +0,0 @@
-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;
-}

src/index.js

@@ -1,17 +1,19 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
-import './index.css';
-import App from './App';
-import * as serviceWorker from './serviceWorker';
+import { App } from './App';
+import 'bootstrap/dist/css/bootstrap.min.css';
+import { Button } from "reactstrap";
+
+export { default as Navigation } from "./Navigation";
+export { default as Footer } from "./Footer";
+export { default as Home } from "./Home";
+export { default as About } from "./About";
+
 
 ReactDOM.render(
-  <React.StrictMode>
-    <App />
-  </React.StrictMode>,
-  document.getElementById('root')
+    <div>
+        <App title="App"/>
+        <Button color="danger">I am a Button</Button>
+    </div>,
+    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://bit.ly/CRA-PWA
-serviceWorker.unregister();

src/serviceWorker.js

@@ -1,141 +0,0 @@
-// This optional code is used to register a service worker.
-// register() is not called by default.
-
-// 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 subsequent visits to a page, after all the
-// existing tabs open on the page have been closed, since previously cached
-// resources are updated in the background.
-
-// To learn more about the benefits of this model and instructions on how to
-// opt-in, read https://bit.ly/CRA-PWA
-
-const isLocalhost = Boolean(
-  window.location.hostname === 'localhost' ||
-    // [::1] is the IPv6 localhost address.
-    window.location.hostname === '[::1]' ||
-    // 127.0.0.0/8 are considered localhost for IPv4.
-    window.location.hostname.match(
-      /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
-    )
-);
-
-export function register(config) {
-  if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
-    // The URL constructor is available in all browsers that support SW.
-    const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
-    if (publicUrl.origin !== window.location.origin) {
-      // Our service worker won't work if PUBLIC_URL is on a different origin
-      // from what our page is served on. This might happen if a CDN is used to
-      // serve assets; see https://github.com/facebook/create-react-app/issues/2374
-      return;
-    }
-
-    window.addEventListener('load', () => {
-      const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
-
-      if (isLocalhost) {
-        // This is running on localhost. Let's check if a service worker still exists or not.
-        checkValidServiceWorker(swUrl, config);
-
-        // 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://bit.ly/CRA-PWA'
-          );
-        });
-      } else {
-        // Is not localhost. Just register service worker
-        registerValidSW(swUrl, config);
-      }
-    });
-  }
-}
-
-function registerValidSW(swUrl, config) {
-  navigator.serviceWorker
-    .register(swUrl)
-    .then(registration => {
-      registration.onupdatefound = () => {
-        const installingWorker = registration.installing;
-        if (installingWorker == null) {
-          return;
-        }
-        installingWorker.onstatechange = () => {
-          if (installingWorker.state === 'installed') {
-            if (navigator.serviceWorker.controller) {
-              // At this point, the updated precached content has been fetched,
-              // but the previous service worker will still serve the older
-              // content until all client tabs are closed.
-              console.log(
-                'New content is available and will be used when all ' +
-                  'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
-              );
-
-              // Execute callback
-              if (config && config.onUpdate) {
-                config.onUpdate(registration);
-              }
-            } 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.');
-
-              // Execute callback
-              if (config && config.onSuccess) {
-                config.onSuccess(registration);
-              }
-            }
-          }
-        };
-      };
-    })
-    .catch(error => {
-      console.error('Error during service worker registration:', error);
-    });
-}
-
-function checkValidServiceWorker(swUrl, config) {
-  // Check if the service worker can be found. If it can't reload the page.
-  fetch(swUrl, {
-    headers: { 'Service-Worker': 'script' },
-  })
-    .then(response => {
-      // Ensure service worker exists, and that we really are getting a JS file.
-      const contentType = response.headers.get('content-type');
-      if (
-        response.status === 404 ||
-        (contentType != null && contentType.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, config);
-      }
-    })
-    .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();
-      })
-      .catch(error => {
-        console.error(error.message);
-      });
-  }
-}

src/setupTests.js

@@ -1,5 +0,0 @@
-// jest-dom adds custom jest matchers for asserting on DOM nodes.
-// allows you to do things like:
-// expect(element).toHaveTextContent(/react/i)
-// learn more: https://github.com/testing-library/jest-dom
-import '@testing-library/jest-dom/extend-expect';