React Map Basic

Sample code for Woosmap Map JavaScript API author(s): Woosmap

HTML

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

    <!-- jsFiddle will insert css and js -->
  </head>
  <body>
    <div id="root"></div>
  </body>
</html>

CSS

/*
 * Always set the map height explicitly to define the size of the element
 * that contains the map. `display: block` is required for <wmp-map>/<gmp-map>,
 * which default to inline like any other custom element outside a flex/grid
 * container (no-op for a plain <div>).
 */
#map {
  display: block;
  width: 100%;
  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;
}

Babel + JSX

import { createRoot } from "react-dom/client";
import React, {
  createContext,
  useContext,
  useEffect,
  useRef,
  useState,
} from "react";
const WOOSMAP_SDK_HOST = "https://sdk.woosmap.com";
// Installs the documented Woosmap loader shim (see docs/docs/loader.md), which
// defines a stub `woosmap.map.importLibrary` that fetches map.js on first call.
// Safe to call more than once: the shim itself no-ops (and warns) past the first.
function installLoaderShim(apiKey) {
  ((g) => {
    let p;
    const w = window,
      d = document;
    const L = "importLibrary",
      CB = "__ib__";
    const E = "The Woosmap Maps JavaScript API";
    const woosmap = w.woosmap || (w.woosmap = {});
    const maps = woosmap.map || (woosmap.map = {});
    const libs = new Set(),
      params = new URLSearchParams();
    const load = () =>
      p ||
      (p = new Promise((res, rej) => {
        const s = d.createElement("script");
        params.set("libraries", [...libs].join(","));
        for (const k in g) params.set(k, g[k]);
        params.set("callback", "woosmap.map." + CB);
        s.src = `${WOOSMAP_SDK_HOST}/map/map.js?` + params;
        maps[CB] = res;
        s.onerror = () => rej(Error(E + " could not load."));
        d.head.append(s);
      }));
    if (maps[L]) {
      console.warn(E + " only loads once. Ignoring:", g);
    } else {
      maps[L] = (name, ...args) =>
        libs.add(name) && load().then(() => maps[L](name, ...args));
    }
  })({ key: apiKey });
}
// Custom hook to load the Woosmap JavaScript API via the loader shim.
function useWoosmap(apiKey) {
  const [isLoaded, setIsLoaded] = useState(false);
  useEffect(() => {
    installLoaderShim(apiKey);
    woosmap.map.importLibrary("maps").then(() => setIsLoaded(true));
  }, [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...