initial commit

src/App.css

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+body {
+    margin: 0;
+}

src/App.js

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+import React, { Component } from 'react';
+import Main from './components/Main';
+import './App.css';
+
+class App extends Component {
+    render() {
+        return (
+        <div>
+            <Main/>
+        </div>
+        );
+    }
+}
+
+export default App;

src/components/Header.js

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+import React, { Component } from 'react';
+
+class Header extends Component {
+    render() {
+        return (
+            <header>
+                <h1>{ this.props.title }</h1>
+            </header>
+        );
+    }
+}
+
+export default Header;

src/components/Main.js

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+import React from 'react';
+import PropTypes from 'prop-types';
+import { withStyles } from '@material-ui/core/styles';
+import AppBar from '@material-ui/core/AppBar';
+import Tabs from '@material-ui/core/Tabs';
+import Tab from '@material-ui/core/Tab';
+import Typography from '@material-ui/core/Typography';
+import Home from '../pages/Home';
+import Map from '../pages/Map';
+import Quiz from '../pages/Quiz';
+import Sighting from '../pages/Sighting';
+import Info from '../pages/Info';
+
+function TabContainer(props) {
+    return (
+        <Typography component="div" style={{ padding: 8 * 3 }}>
+            {props.children}
+        </Typography>
+    );
+}
+
+TabContainer.propTypes = {
+    children: PropTypes.node.isRequired,
+};
+
+const styles = theme => ({
+    root: {
+        flexGrow: 1,
+        backgroundColor: theme.palette.background.paper,
+    },
+});
+
+class SimpleTabs extends React.Component {
+    state = {
+        value: 0,
+    };
+
+    handleChange = (event, value) => {
+        this.setState({ value });
+    };
+
+    render() {
+    const { classes } = this.props;
+    const { value } = this.state;
+
+    return (
+    <div className={classes.root}>
+        <AppBar position="static">
+            <Tabs value={value} onChange={this.handleChange} centered>
+                <Tab label="Home" />
+                <Tab label="Sightings" />
+                <Tab label="Trail-Cam Quiz" />
+                <Tab label="View Map" />
+                <Tab label="Marten Info" />
+            </Tabs>
+        </AppBar>
+        {value === 0 && <Home/>}
+        {value === 1 && <Sighting/>}
+        {value === 2 && <Quiz/>}
+        {value === 3 && <Map/>}
+        {value === 4 && <Info/>}
+    </div>
+    );
+    }
+}
+
+SimpleTabs.propTypes = {
+    classes: PropTypes.object.isRequired,
+};
+
+export default withStyles(styles)(SimpleTabs);
+

src/index.js

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+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();

src/pages/Home.js

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+import React, { Component } from 'react';
+import Typography from '@material-ui/core/Typography';
+
+class Home extends Component {
+
+    render() {
+        return (
+            <div>
+                <Typography variant='display1' align='center' gutterBottom>
+                    Home
+                </Typography>
+            </div>
+        );
+    }
+}
+
+export default Home;

src/pages/Info.js

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+import React, { Component } from 'react';
+import Typography from '@material-ui/core/Typography';
+
+class Info extends Component {
+    render() {
+        return (
+            <Typography variant='display1' align='center' gutterBottom>
+                Info
+            </Typography>
+        );
+    }
+}
+
+export default Info;

src/pages/Map.js

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+import React, { Component } from 'react';
+import Typography from '@material-ui/core/Typography';
+
+class Map extends Component {
+    render() {
+        return (
+            <Typography variant='display1' align='center' gutterBottom>
+                Map
+            </Typography>
+        );
+    }
+}
+
+export default Map;

src/pages/Quiz.js

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+import React, { Component } from 'react';
+import Typography from '@material-ui/core/Typography';
+
+class Quiz extends Component {
+    render() {
+        return (
+            <Typography variant='display1' align='center' gutterBottom>
+                Quiz
+            </Typography>
+        );
+    }
+}
+
+export default Quiz;

src/pages/Sighting.js

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+import React, { Component } from 'react';
+import Typography from '@material-ui/core/Typography';
+
+class Sighting extends Component {
+    render() {
+        return (
+            <Typography variant='display1' align='center' gutterBottom>
+                Sightings
+            </Typography>
+        );
+    }
+}
+
+export default Sighting;

src/registerServiceWorker.js

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+// 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();
+    });
+  }
+}