├── .gitignore
├── README.md
├── package.json
├── public
├── bear.svg
├── compass.svg
├── favicon.ico
├── index.html
├── logo192.png
├── logo512.png
├── manifest.json
└── robots.txt
├── src
├── App.js
├── App.test.js
├── index.css
├── index.js
├── mapStyles.js
├── serviceWorker.js
└── setupTests.js
└── yarn.lock
/.gitignore:
--------------------------------------------------------------------------------
1 | # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
2 |
3 | # dependencies
4 | /node_modules
5 | /.pnp
6 | .pnp.js
7 |
8 | # testing
9 | /coverage
10 |
11 | # production
12 | /build
13 |
14 | # misc
15 | .DS_Store
16 | .env.local
17 | .env.development.local
18 | .env.test.local
19 | .env.production.local
20 |
21 | npm-debug.log*
22 | yarn-debug.log*
23 | yarn-error.log*
24 |
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/README.md:
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1 | # Google Maps in React Demo
2 |
3 | This video covers a **Bear Sighting** React App where we learn how Google Maps, Google Places, and browser geolocation works. All using modern React (hooks) and up to date packages for 2020.
4 |
5 | ## Links
6 |
7 | - Source Code: https://github.com/leighhalliday/google-maps-react-2020
8 | - Video: https://youtu.be/WZcxJGmLbSo
9 | - Google Maps React: https://www.npmjs.com/package/@react-google-maps/api
10 | - Google Places React: https://www.npmjs.com/package/use-places-autocomplete
11 | - Reach Combobox: https://reacttraining.com/reach-ui/combobox/
12 | - Snazzy Maps Style: https://snazzymaps.com/style/8097/wy
13 | - Browser Geolocation: https://developer.mozilla.org/en-US/docs/Web/API/Geolocation/getCurrentPosition
14 |
15 | ## API Keys
16 |
17 | For this demo to work, please create a Google Map API Key, and ensure that the two services below are enabled... otherwise it won't work! This API key must be in the environment variable `REACT_APP_GOOGLE_PLACES_API_KEY`.
18 |
19 | - Maps JavaScript API
20 | - Places API
21 | - Geocoding API
22 |
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/package.json:
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1 | {
2 | "name": "google-maps-react-2020",
3 | "version": "0.1.0",
4 | "private": true,
5 | "dependencies": {
6 | "@reach/combobox": "^0.10.2",
7 | "@react-google-maps/api": "^1.9.0",
8 | "@testing-library/jest-dom": "^4.2.4",
9 | "@testing-library/react": "^9.3.2",
10 | "@testing-library/user-event": "^7.1.2",
11 | "date-fns": "^2.13.0",
12 | "react": "^16.13.1",
13 | "react-dom": "^16.13.1",
14 | "react-scripts": "3.4.1",
15 | "use-places-autocomplete": "^1.3.5"
16 | },
17 | "scripts": {
18 | "start": "react-scripts start",
19 | "build": "react-scripts build",
20 | "test": "react-scripts test",
21 | "eject": "react-scripts eject"
22 | },
23 | "eslintConfig": {
24 | "extends": "react-app"
25 | },
26 | "browserslist": {
27 | "production": [
28 | ">0.2%",
29 | "not dead",
30 | "not op_mini all"
31 | ],
32 | "development": [
33 | "last 1 chrome version",
34 | "last 1 firefox version",
35 | "last 1 safari version"
36 | ]
37 | }
38 | }
39 |
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/public/bear.svg:
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1 |
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/public/compass.svg:
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1 |
2 |
3 |
79 |
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/public/favicon.ico:
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https://raw.githubusercontent.com/leighhalliday/google-maps-react-2020/cef99171fb417ffb713ec51a6bb0cf9266a16652/public/favicon.ico
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/public/index.html:
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
12 |
13 |
17 |
18 |
27 | React App
28 |
29 |
30 |
31 |
32 |
42 |
43 |
44 |
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/public/logo192.png:
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https://raw.githubusercontent.com/leighhalliday/google-maps-react-2020/cef99171fb417ffb713ec51a6bb0cf9266a16652/public/logo192.png
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/public/logo512.png:
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https://raw.githubusercontent.com/leighhalliday/google-maps-react-2020/cef99171fb417ffb713ec51a6bb0cf9266a16652/public/logo512.png
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/public/manifest.json:
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1 | {
2 | "short_name": "React App",
3 | "name": "Create React App Sample",
4 | "icons": [
5 | {
6 | "src": "favicon.ico",
7 | "sizes": "64x64 32x32 24x24 16x16",
8 | "type": "image/x-icon"
9 | },
10 | {
11 | "src": "logo192.png",
12 | "type": "image/png",
13 | "sizes": "192x192"
14 | },
15 | {
16 | "src": "logo512.png",
17 | "type": "image/png",
18 | "sizes": "512x512"
19 | }
20 | ],
21 | "start_url": ".",
22 | "display": "standalone",
23 | "theme_color": "#000000",
24 | "background_color": "#ffffff"
25 | }
26 |
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/public/robots.txt:
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1 | # https://www.robotstxt.org/robotstxt.html
2 | User-agent: *
3 | Disallow:
4 |
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/src/App.js:
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1 | import React from "react";
2 | import {
3 | GoogleMap,
4 | useLoadScript,
5 | Marker,
6 | InfoWindow,
7 | } from "@react-google-maps/api";
8 | import usePlacesAutocomplete, {
9 | getGeocode,
10 | getLatLng,
11 | } from "use-places-autocomplete";
12 | import {
13 | Combobox,
14 | ComboboxInput,
15 | ComboboxPopover,
16 | ComboboxList,
17 | ComboboxOption,
18 | } from "@reach/combobox";
19 | import { formatRelative } from "date-fns";
20 |
21 | import "@reach/combobox/styles.css";
22 | import mapStyles from "./mapStyles";
23 |
24 | const libraries = ["places"];
25 | const mapContainerStyle = {
26 | height: "100vh",
27 | width: "100vw",
28 | };
29 | const options = {
30 | styles: mapStyles,
31 | disableDefaultUI: true,
32 | zoomControl: true,
33 | };
34 | const center = {
35 | lat: 43.6532,
36 | lng: -79.3832,
37 | };
38 |
39 | export default function App() {
40 | const { isLoaded, loadError } = useLoadScript({
41 | googleMapsApiKey: process.env.REACT_APP_GOOGLE_MAPS_API_KEY,
42 | libraries,
43 | });
44 | const [markers, setMarkers] = React.useState([]);
45 | const [selected, setSelected] = React.useState(null);
46 |
47 | const onMapClick = React.useCallback((e) => {
48 | setMarkers((current) => [
49 | ...current,
50 | {
51 | lat: e.latLng.lat(),
52 | lng: e.latLng.lng(),
53 | time: new Date(),
54 | },
55 | ]);
56 | }, []);
57 |
58 | const mapRef = React.useRef();
59 | const onMapLoad = React.useCallback((map) => {
60 | mapRef.current = map;
61 | }, []);
62 |
63 | const panTo = React.useCallback(({ lat, lng }) => {
64 | mapRef.current.panTo({ lat, lng });
65 | mapRef.current.setZoom(14);
66 | }, []);
67 |
68 | if (loadError) return "Error";
69 | if (!isLoaded) return "Loading...";
70 |
71 | return (
72 |
73 |
74 | Bears{" "}
75 |
76 | ⛺️
77 |
78 |
79 |
80 |
81 |
82 |
83 |
92 | {markers.map((marker) => (
93 | {
97 | setSelected(marker);
98 | }}
99 | icon={{
100 | url: `/bear.svg`,
101 | origin: new window.google.maps.Point(0, 0),
102 | anchor: new window.google.maps.Point(15, 15),
103 | scaledSize: new window.google.maps.Size(30, 30),
104 | }}
105 | />
106 | ))}
107 |
108 | {selected ? (
109 | {
112 | setSelected(null);
113 | }}
114 | >
115 |
116 |
117 |
118 | 🐻
119 | {" "}
120 | Alert
121 |
122 |
Spotted {formatRelative(selected.time, new Date())}
123 |
127 |
187 |
188 |
194 |
195 |
196 | {status === "OK" &&
197 | data.map(({ id, description }) => (
198 |
199 | ))}
200 |
201 |
202 |
203 |
204 | );
205 | }
206 |
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/src/App.test.js:
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1 | import React from 'react';
2 | import { render } from '@testing-library/react';
3 | import App from './App';
4 |
5 | test('renders learn react link', () => {
6 | const { getByText } = render();
7 | const linkElement = getByText(/learn react/i);
8 | expect(linkElement).toBeInTheDocument();
9 | });
10 |
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/src/index.css:
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1 | body {
2 | margin: 0;
3 | font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
4 | "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
5 | sans-serif;
6 | -webkit-font-smoothing: antialiased;
7 | -moz-osx-font-smoothing: grayscale;
8 | font-size: 18px;
9 | }
10 |
11 | code {
12 | font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
13 | monospace;
14 | }
15 |
16 | h1 {
17 | position: absolute;
18 | top: 1rem;
19 | left: 1rem;
20 | color: #281414;
21 | z-index: 10;
22 | margin: 0;
23 | padding: 0;
24 | }
25 |
26 | .search {
27 | position: absolute;
28 | top: 1rem;
29 | left: 50%;
30 | transform: translateX(-50%);
31 | width: 100%;
32 | max-width: 400px;
33 | z-index: 10;
34 | }
35 |
36 | .search input {
37 | padding: 0.5rem;
38 | font-size: 1.5rem;
39 | width: 100%;
40 | }
41 |
42 | .locate {
43 | position: absolute;
44 | top: 1rem;
45 | right: 1rem;
46 | background: none;
47 | border: none;
48 | z-index: 10;
49 | }
50 | .locate img {
51 | width: 30px;
52 | cursor: pointer;
53 | }
54 |
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/src/index.js:
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1 | import React from 'react';
2 | import ReactDOM from 'react-dom';
3 | import './index.css';
4 | import App from './App';
5 | import * as serviceWorker from './serviceWorker';
6 |
7 | ReactDOM.render(
8 |
9 |
10 | ,
11 | document.getElementById('root')
12 | );
13 |
14 | // If you want your app to work offline and load faster, you can change
15 | // unregister() to register() below. Note this comes with some pitfalls.
16 | // Learn more about service workers: https://bit.ly/CRA-PWA
17 | serviceWorker.unregister();
18 |
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/src/mapStyles.js:
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1 | export default [
2 | {
3 | featureType: "all",
4 | elementType: "geometry.fill",
5 | stylers: [
6 | {
7 | weight: "2.00",
8 | },
9 | ],
10 | },
11 | {
12 | featureType: "all",
13 | elementType: "geometry.stroke",
14 | stylers: [
15 | {
16 | color: "#9c9c9c",
17 | },
18 | ],
19 | },
20 | {
21 | featureType: "all",
22 | elementType: "labels.text",
23 | stylers: [
24 | {
25 | visibility: "on",
26 | },
27 | ],
28 | },
29 | {
30 | featureType: "landscape",
31 | elementType: "all",
32 | stylers: [
33 | {
34 | color: "#f2f2f2",
35 | },
36 | ],
37 | },
38 | {
39 | featureType: "landscape",
40 | elementType: "geometry.fill",
41 | stylers: [
42 | {
43 | color: "#ffffff",
44 | },
45 | ],
46 | },
47 | {
48 | featureType: "landscape.man_made",
49 | elementType: "geometry.fill",
50 | stylers: [
51 | {
52 | color: "#ffffff",
53 | },
54 | ],
55 | },
56 | {
57 | featureType: "poi",
58 | elementType: "all",
59 | stylers: [
60 | {
61 | visibility: "off",
62 | },
63 | ],
64 | },
65 | {
66 | featureType: "road",
67 | elementType: "all",
68 | stylers: [
69 | {
70 | saturation: -100,
71 | },
72 | {
73 | lightness: 45,
74 | },
75 | ],
76 | },
77 | {
78 | featureType: "road",
79 | elementType: "geometry.fill",
80 | stylers: [
81 | {
82 | color: "#eeeeee",
83 | },
84 | ],
85 | },
86 | {
87 | featureType: "road",
88 | elementType: "labels.text.fill",
89 | stylers: [
90 | {
91 | color: "#7b7b7b",
92 | },
93 | ],
94 | },
95 | {
96 | featureType: "road",
97 | elementType: "labels.text.stroke",
98 | stylers: [
99 | {
100 | color: "#ffffff",
101 | },
102 | ],
103 | },
104 | {
105 | featureType: "road.highway",
106 | elementType: "all",
107 | stylers: [
108 | {
109 | visibility: "simplified",
110 | },
111 | ],
112 | },
113 | {
114 | featureType: "road.arterial",
115 | elementType: "labels.icon",
116 | stylers: [
117 | {
118 | visibility: "off",
119 | },
120 | ],
121 | },
122 | {
123 | featureType: "transit",
124 | elementType: "all",
125 | stylers: [
126 | {
127 | visibility: "off",
128 | },
129 | ],
130 | },
131 | {
132 | featureType: "water",
133 | elementType: "all",
134 | stylers: [
135 | {
136 | color: "#46bcec",
137 | },
138 | {
139 | visibility: "on",
140 | },
141 | ],
142 | },
143 | {
144 | featureType: "water",
145 | elementType: "geometry.fill",
146 | stylers: [
147 | {
148 | color: "#c8d7d4",
149 | },
150 | ],
151 | },
152 | {
153 | featureType: "water",
154 | elementType: "labels.text.fill",
155 | stylers: [
156 | {
157 | color: "#070707",
158 | },
159 | ],
160 | },
161 | {
162 | featureType: "water",
163 | elementType: "labels.text.stroke",
164 | stylers: [
165 | {
166 | color: "#ffffff",
167 | },
168 | ],
169 | },
170 | ];
171 |
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/src/serviceWorker.js:
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1 | // This optional code is used to register a service worker.
2 | // register() is not called by default.
3 |
4 | // This lets the app load faster on subsequent visits in production, and gives
5 | // it offline capabilities. However, it also means that developers (and users)
6 | // will only see deployed updates on subsequent visits to a page, after all the
7 | // existing tabs open on the page have been closed, since previously cached
8 | // resources are updated in the background.
9 |
10 | // To learn more about the benefits of this model and instructions on how to
11 | // opt-in, read https://bit.ly/CRA-PWA
12 |
13 | const isLocalhost = Boolean(
14 | window.location.hostname === 'localhost' ||
15 | // [::1] is the IPv6 localhost address.
16 | window.location.hostname === '[::1]' ||
17 | // 127.0.0.0/8 are considered localhost for IPv4.
18 | window.location.hostname.match(
19 | /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
20 | )
21 | );
22 |
23 | export function register(config) {
24 | if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
25 | // The URL constructor is available in all browsers that support SW.
26 | const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
27 | if (publicUrl.origin !== window.location.origin) {
28 | // Our service worker won't work if PUBLIC_URL is on a different origin
29 | // from what our page is served on. This might happen if a CDN is used to
30 | // serve assets; see https://github.com/facebook/create-react-app/issues/2374
31 | return;
32 | }
33 |
34 | window.addEventListener('load', () => {
35 | const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
36 |
37 | if (isLocalhost) {
38 | // This is running on localhost. Let's check if a service worker still exists or not.
39 | checkValidServiceWorker(swUrl, config);
40 |
41 | // Add some additional logging to localhost, pointing developers to the
42 | // service worker/PWA documentation.
43 | navigator.serviceWorker.ready.then(() => {
44 | console.log(
45 | 'This web app is being served cache-first by a service ' +
46 | 'worker. To learn more, visit https://bit.ly/CRA-PWA'
47 | );
48 | });
49 | } else {
50 | // Is not localhost. Just register service worker
51 | registerValidSW(swUrl, config);
52 | }
53 | });
54 | }
55 | }
56 |
57 | function registerValidSW(swUrl, config) {
58 | navigator.serviceWorker
59 | .register(swUrl)
60 | .then(registration => {
61 | registration.onupdatefound = () => {
62 | const installingWorker = registration.installing;
63 | if (installingWorker == null) {
64 | return;
65 | }
66 | installingWorker.onstatechange = () => {
67 | if (installingWorker.state === 'installed') {
68 | if (navigator.serviceWorker.controller) {
69 | // At this point, the updated precached content has been fetched,
70 | // but the previous service worker will still serve the older
71 | // content until all client tabs are closed.
72 | console.log(
73 | 'New content is available and will be used when all ' +
74 | 'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
75 | );
76 |
77 | // Execute callback
78 | if (config && config.onUpdate) {
79 | config.onUpdate(registration);
80 | }
81 | } else {
82 | // At this point, everything has been precached.
83 | // It's the perfect time to display a
84 | // "Content is cached for offline use." message.
85 | console.log('Content is cached for offline use.');
86 |
87 | // Execute callback
88 | if (config && config.onSuccess) {
89 | config.onSuccess(registration);
90 | }
91 | }
92 | }
93 | };
94 | };
95 | })
96 | .catch(error => {
97 | console.error('Error during service worker registration:', error);
98 | });
99 | }
100 |
101 | function checkValidServiceWorker(swUrl, config) {
102 | // Check if the service worker can be found. If it can't reload the page.
103 | fetch(swUrl, {
104 | headers: { 'Service-Worker': 'script' },
105 | })
106 | .then(response => {
107 | // Ensure service worker exists, and that we really are getting a JS file.
108 | const contentType = response.headers.get('content-type');
109 | if (
110 | response.status === 404 ||
111 | (contentType != null && contentType.indexOf('javascript') === -1)
112 | ) {
113 | // No service worker found. Probably a different app. Reload the page.
114 | navigator.serviceWorker.ready.then(registration => {
115 | registration.unregister().then(() => {
116 | window.location.reload();
117 | });
118 | });
119 | } else {
120 | // Service worker found. Proceed as normal.
121 | registerValidSW(swUrl, config);
122 | }
123 | })
124 | .catch(() => {
125 | console.log(
126 | 'No internet connection found. App is running in offline mode.'
127 | );
128 | });
129 | }
130 |
131 | export function unregister() {
132 | if ('serviceWorker' in navigator) {
133 | navigator.serviceWorker.ready
134 | .then(registration => {
135 | registration.unregister();
136 | })
137 | .catch(error => {
138 | console.error(error.message);
139 | });
140 | }
141 | }
142 |
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/src/setupTests.js:
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1 | // jest-dom adds custom jest matchers for asserting on DOM nodes.
2 | // allows you to do things like:
3 | // expect(element).toHaveTextContent(/react/i)
4 | // learn more: https://github.com/testing-library/jest-dom
5 | import '@testing-library/jest-dom/extend-expect';
6 |
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