Initial commit

Created from https://vercel.com/new

components/common/WorldMap.js

@@ -0,0 +1,103 @@
+import React, { useState, useMemo } from 'react';
+import { useRouter } from 'next/router';
+import PropTypes from 'prop-types';
+import ReactTooltip from 'react-tooltip';
+import { ComposableMap, Geographies, Geography, ZoomableGroup } from 'react-simple-maps';
+import classNames from 'classnames';
+import tinycolor from 'tinycolor2';
+import useTheme from 'hooks/useTheme';
+import { ISO_COUNTRIES, THEME_COLORS, MAP_FILE } from 'lib/constants';
+import styles from './WorldMap.module.css';
+import useCountryNames from 'hooks/useCountryNames';
+import useLocale from 'hooks/useLocale';
+
+function WorldMap({ data, className }) {
+  const { basePath } = useRouter();
+  const [tooltip, setTooltip] = useState();
+  const [theme] = useTheme();
+  const colors = useMemo(
+    () => ({
+      baseColor: THEME_COLORS[theme].primary,
+      fillColor: THEME_COLORS[theme].gray100,
+      strokeColor: THEME_COLORS[theme].primary,
+      hoverColor: THEME_COLORS[theme].primary,
+    }),
+    [theme],
+  );
+  const { locale } = useLocale();
+  const countryNames = useCountryNames(locale);
+
+  function getFillColor(code) {
+    if (code === 'AQ') return;
+    const country = data?.find(({ x }) => x === code);
+
+    if (!country) {
+      return colors.fillColor;
+    }
+
+    return tinycolor(colors.baseColor)[theme === 'light' ? 'lighten' : 'darken'](
+      40 * (1.0 - country.z / 100),
+    );
+  }
+
+  function getOpacity(code) {
+    return code === 'AQ' ? 0 : 1;
+  }
+
+  function handleHover(code) {
+    if (code === 'AQ') return;
+    const country = data?.find(({ x }) => x === code);
+    setTooltip(`${countryNames[code]}: ${country?.y || 0} visitors`);
+  }
+
+  return (
+    <div
+      className={classNames(styles.container, className)}
+      data-tip=""
+      data-for="world-map-tooltip"
+    >
+      <ComposableMap projection="geoMercator">
+        <ZoomableGroup zoom={0.8} minZoom={0.7} center={[0, 40]}>
+          <Geographies geography={`${basePath}${MAP_FILE}`}>
+            {({ geographies }) => {
+              return geographies.map(geo => {
+                const code = ISO_COUNTRIES[geo.id];
+
+                return (
+                  <Geography
+                    key={geo.rsmKey}
+                    geography={geo}
+                    fill={getFillColor(code)}
+                    stroke={colors.strokeColor}
+                    opacity={getOpacity(code)}
+                    style={{
+                      default: { outline: 'none' },
+                      hover: { outline: 'none', fill: colors.hoverColor },
+                      pressed: { outline: 'none' },
+                    }}
+                    onMouseOver={() => handleHover(code)}
+                    onMouseOut={() => setTooltip(null)}
+                  />
+                );
+              });
+            }}
+          </Geographies>
+        </ZoomableGroup>
+      </ComposableMap>
+      <ReactTooltip id="world-map-tooltip">{tooltip}</ReactTooltip>
+    </div>
+  );
+}
+
+WorldMap.propTypes = {
+  data: PropTypes.arrayOf(
+    PropTypes.shape({
+      x: PropTypes.string,
+      y: PropTypes.number,
+      z: PropTypes.number,
+    }),
+  ),
+  className: PropTypes.string,
+};
+
+export default WorldMap;