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@@ -1,6 +1,5 @@
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import { useEffect, useMemo, useRef, useState } from 'react';
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import type { AmapConfig, HydrogenHeatmapMetric, HydrogenHeatmapPoint } from './types';
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import { createHeatmapMap, loadAmap, type AmapInstance } from '../../shared/amap';
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type Props = {
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config: AmapConfig;
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@@ -11,6 +10,19 @@ type Props = {
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onMapClick: (longitude: number, latitude: number) => void;
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};
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type AmapInstance = {
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Map: new (container: HTMLElement, options: Record<string, unknown>) => any;
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HeatMap: new (map: any, options: Record<string, unknown>) => any;
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ToolBar: new (options?: Record<string, unknown>) => any;
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Scale: new (options?: Record<string, unknown>) => any;
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Bounds: new (southWest: [number, number], northEast: [number, number]) => any;
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};
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declare global {
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interface Window {
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_AMapSecurityConfig?: { securityJsCode: string };
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}
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}
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function getBounds(points: HydrogenHeatmapPoint[]) {
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if (!points.length) return null;
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@@ -50,9 +62,36 @@ export default function HydrogenAmapCanvas({ config, points, max, metric, focusQ
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async function initialize() {
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try {
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const AMap = await loadAmap(config);
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window._AMapSecurityConfig = { securityJsCode: config.securityCode };
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const loaderModule = await import('@amap/amap-jsapi-loader');
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const AMap = await loaderModule.default.load({
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key: config.key,
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version: '2.0',
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plugins: ['AMap.HeatMap', 'AMap.ToolBar', 'AMap.Scale'],
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}) as unknown as AmapInstance;
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if (cancelled || !container) return;
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const { map, heatmap } = createHeatmapMap(AMap, container, { radius: 34, opacity: [0.14, 0.84] });
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const map = new AMap.Map(container, {
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viewMode: '2D',
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zoom: 5,
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center: [105.4, 34.4],
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mapStyle: 'amap://styles/whitesmoke',
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resizeEnable: true,
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showLabel: true,
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});
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map.addControl(new AMap.ToolBar({ position: { right: '20px', bottom: '76px' } }));
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map.addControl(new AMap.Scale({ position: { right: '18px', bottom: '24px' } }));
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const heatmap = new AMap.HeatMap(map, {
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radius: 34,
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opacity: [0.14, 0.84],
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gradient: {
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0.1: '#2563eb',
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0.3: '#0891b2',
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0.5: '#16a34a',
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0.68: '#eab308',
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0.84: '#f97316',
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1: '#dc2626',
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},
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});
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map.on('click', (event: any) => clickHandlerRef.current(event.lnglat.getLng(), event.lnglat.getLat()));
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mapRef.current = map;
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heatmapRef.current = heatmap;
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