React Map Basic

A basic Woosmap Map sample using React JS Framework

  1. Example
  2. Running the Sample Locally

Example

React Map Basic
        import { createRoot } from "react-dom/client";

import React, {
  createContext,
  useContext,
  useEffect,
  useRef,
  useState,
} from "react";

// Define the types for the global Woosmap object
declare const woosmap: any;

// Custom hook to load the Woosmap JavaScript API
// This hook creates a script tag with the Woosmap map.js URL and appends it to the body of the document.
// It sets the state to true when the script loads.
function useWoosmap(apiKey: string) {
  const [isLoaded, setIsLoaded] = useState(false);

  useEffect(() => {
    const script = document.createElement("script");
    script.src = `https://sdk.woosmap.com/map/map.js?key=${apiKey}`;
    script.onload = () => setIsLoaded(true);
    document.body.appendChild(script);
  }, [apiKey]);

  return isLoaded;
}

// Contexts for Woosmap library
const MapContext = createContext<any>(null);

interface WoosmapAPIProviderProps {
  apiKey: string;
  children: React.ReactNode;
}

// This component uses the useWoosmap hook to load the Woosmap API and provides it through context.
const WoosmapAPIProvider: React.FC<WoosmapAPIProviderProps> = ({
  apiKey,
  children,
}) => {
  const isLoaded = useWoosmap(apiKey);

  if (!isLoaded) {
    return null;
  }

  return <MapContext.Provider value={woosmap}>{children}</MapContext.Provider>;
};

// This component creates a Woosmap map and provides it through context used by the <Marker/>
const WoosmapMap: React.FC<woosmap.map.MapOptions> = ({ center, zoom }) => {
  const mapRef = useRef<HTMLDivElement>(null);
  const woosmap = useContext(MapContext);
  const [mapInstance, setMapInstance] = useState<woosmap.map.Map>(null);

  useEffect(() => {
    if (mapRef.current && !mapInstance) {
      const map = new woosmap.map.Map(mapRef.current, {
        zoom,
        center,
      });
      setMapInstance(map);
    }
  }, [woosmap, zoom, center]);

  return <div ref={mapRef} style={{ width: "100%", height: "100vh" }}></div>;
};

const App: React.VFC = () => {
  const initialPosition: woosmap.map.LatLngLiteral = {
    lat: 50.2176,
    lng: -0.8997,
  };

  return (
    <WoosmapAPIProvider apiKey={"YOUR_API_KEY"}>
      <WoosmapMap center={initialPosition} zoom={4}></WoosmapMap>
    </WoosmapAPIProvider>
  );
};

window.addEventListener("DOMContentLoaded", () => {
  const root = createRoot(document.getElementById("root")!);
  root.render(<App />);
});


    
        import { createRoot } from "react-dom/client";
import React, {
  createContext,
  useContext,
  useEffect,
  useRef,
  useState,
} from "react";

// Custom hook to load the Woosmap JavaScript API
// This hook creates a script tag with the Woosmap map.js URL and appends it to the body of the document.
// It sets the state to true when the script loads.
function useWoosmap(apiKey) {
  const [isLoaded, setIsLoaded] = useState(false);

  useEffect(() => {
    const script = document.createElement("script");

    script.src = `https://sdk.woosmap.com/map/map.js?key=${apiKey}`;
    script.onload = () => setIsLoaded(true);
    document.body.appendChild(script);
  }, [apiKey]);
  return isLoaded;
}

// Contexts for Woosmap library
const MapContext = createContext(null);

// This component uses the useWoosmap hook to load the Woosmap API and provides it through context.
const WoosmapAPIProvider = ({ apiKey, children }) => {
  const isLoaded = useWoosmap(apiKey);

  if (!isLoaded) {
    return null;
  }
  return <MapContext.Provider value={woosmap}>{children}</MapContext.Provider>;
};

// This component creates a Woosmap map and provides it through context used by the <Marker/>
const WoosmapMap = ({ center, zoom }) => {
  const mapRef = useRef(null);
  const woosmap = useContext(MapContext);
  const [mapInstance, setMapInstance] = useState(null);

  useEffect(() => {
    if (mapRef.current && !mapInstance) {
      const map = new woosmap.map.Map(mapRef.current, {
        zoom,
        center,
      });

      setMapInstance(map);
    }
  }, [woosmap, zoom, center]);
  return <div ref={mapRef} style={{ width: "100%", height: "100vh" }}></div>;
};

const App = () => {
  const initialPosition = {
    lat: 50.2176,
    lng: -0.8997,
  };
  return (
    <WoosmapAPIProvider apiKey={"YOUR_API_KEY"}>
      <WoosmapMap center={initialPosition} zoom={4}></WoosmapMap>
    </WoosmapAPIProvider>
  );
};

window.addEventListener("DOMContentLoaded", () => {
  const root = createRoot(document.getElementById("root"));

  root.render(<App />);
});

    
        /*
 * Always set the map height explicitly to define the size of the div element
 * that contains the map.
 */
#map {
  height: 100%;
}

/*
 * Optional: Makes the sample page fill the window.
 */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica Neue, Arial, Noto Sans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
}


    
        <html>
  <head>
    <title>React Map Basic</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta charset="utf-8" />

    <link rel="stylesheet" type="text/css" href="./style.css" />
    <script type="module" src="./index.js"></script>
  </head>
  <body>
    <div id="root"></div>
  </body>
</html>

    

Running the Sample Locally

Before you can run this sample on your local machine, you need to have Git and Node.js installed. If they’re not already installed, follow these instructions to get them set up.

Once you have Git and Node.js installed, you can run the sample by following these steps:

  1. Clone the repository and navigate to the directory of the sample.

  2. Install the necessary dependencies.

  3. Start running the sample.

Here are the commands you can use in your terminal to do this:

Shell
        git clone -b sample/react-map-basic https://github.com/woosmap/js-samples.git
cd js-samples
npm i
npm start

    

You can experiment with other samples by switching to any branch that starts with the pattern sample/SAMPLE_NAME.

Shell
        git checkout sample/SAMPLE_NAME
npm i
npm start

    
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