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Merge pull request #863 from WatWowMap/super-cluster
feat: super cluster lib
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,66 +1,172 @@ | ||
| // @ts-check | ||
| import * as React from 'react' | ||
| import MarkerClusterGroup from 'react-leaflet-cluster' | ||
| import { useMap, GeoJSON } from 'react-leaflet' | ||
| import Supercluster from 'supercluster' | ||
| import { marker, divIcon, point } from 'leaflet' | ||
| import { useStatic, useStore } from '@hooks/useStore' | ||
|
|
||
| import Notification from './layout/general/Notification' | ||
|
|
||
| const IGNORE_CLUSTERING = ['devices', 'submissionCells', 'scanCells', 'weather'] | ||
| const IGNORE_CLUSTERING = new Set([ | ||
| 'devices', | ||
| 'submissionCells', | ||
| 'scanCells', | ||
| 'weather', | ||
| ]) | ||
|
|
||
| /** | ||
| * | ||
| * @param {import('geojson').Feature<import('geojson').Point>} feature | ||
| * @param {import('leaflet').LatLng} latlng | ||
| * @returns | ||
| */ | ||
| function createClusterIcon(feature, latlng) { | ||
| if (!feature.properties.cluster) return null | ||
|
|
||
| const count = feature.properties.point_count | ||
| const size = count < 100 ? 'small' : count < 1000 ? 'medium' : 'large' | ||
| const icon = divIcon({ | ||
| html: `<div><span>${feature.properties.point_count_abbreviated}</span></div>`, | ||
| className: `marker-cluster marker-cluster-${size}`, | ||
| iconSize: point(40, 40), | ||
| }) | ||
| return marker(latlng, { icon }) | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param {{ | ||
| * category: keyof import('@rm/types').Config['api']['polling'], | ||
| * children: React.ReactNode[] | ||
| * }} param0 | ||
| * children: React.ReactElement<{ lat: number, lon: number }>[] | ||
| * }} props | ||
| * @returns | ||
| */ | ||
| export default function Clustering({ category, children }) { | ||
| function Clustering({ category, children }) { | ||
| /** @type {ReturnType<typeof React.useRef<import('leaflet').GeoJSON>>} */ | ||
| const featureRef = React.useRef(null) | ||
|
|
||
| const map = useMap() | ||
| const userCluster = useStore( | ||
| (s) => s.userSettings[category]?.clustering || false, | ||
| ) | ||
| const { | ||
| config: { | ||
| clustering: { [category]: clustering }, | ||
| general: { minZoom }, | ||
| clustering, | ||
| general: { minZoom: configMinZoom }, | ||
| }, | ||
| } = useStatic.getState() | ||
|
|
||
| const clusteringRules = clustering || { | ||
| forcedLimit: 10000, | ||
| zoomLevel: minZoom, | ||
| } | ||
|
|
||
| const userCluster = useStore( | ||
| (s) => s.userSettings[category]?.clustering || false, | ||
| const [rules] = React.useState( | ||
| category in clustering | ||
| ? clustering[category] | ||
| : { | ||
| forcedLimit: 10000, | ||
| zoomLevel: configMinZoom, | ||
| }, | ||
| ) | ||
| const [markers, setMarkers] = React.useState(new Set()) | ||
| const [superCluster, setSuperCluster] = React.useState( | ||
| /** @type {InstanceType<typeof Supercluster> | null} */ (null), | ||
| ) | ||
| const [limitHit, setLimitHit] = React.useState( | ||
| children.length > rules.forcedLimit && !IGNORE_CLUSTERING.has(category), | ||
| ) | ||
|
|
||
| React.useEffect(() => { | ||
| setLimitHit( | ||
| children.length > rules.forcedLimit && !IGNORE_CLUSTERING.has(category) | ||
| ? !!rules.forcedLimit | ||
| : false, | ||
| ) | ||
| }, [category, userCluster, rules.forcedLimit, children.length]) | ||
|
|
||
| const limitHit = | ||
| children.length > clusteringRules.forcedLimit && | ||
| !IGNORE_CLUSTERING.includes(category) | ||
| React.useEffect(() => { | ||
| if (limitHit || userCluster) { | ||
| setSuperCluster( | ||
| new Supercluster({ | ||
| radius: 60, | ||
| extent: 256, | ||
| maxZoom: rules.zoomLevel, | ||
| minPoints: category === 'pokemon' ? 7 : 5, | ||
| }), | ||
| ) | ||
| } else { | ||
| setSuperCluster(null) | ||
| } | ||
| }, [rules.zoomLevel, limitHit, userCluster, category]) | ||
|
|
||
| return limitHit || (clusteringRules.zoomLevel && userCluster) ? ( | ||
| React.useEffect(() => { | ||
| if (superCluster) { | ||
| /** @type {import('geojson').Feature<import('geojson').Point>[]} */ | ||
| const features = children.filter(Boolean).map((reactEl) => ({ | ||
| type: 'Feature', | ||
| id: reactEl?.key, | ||
| properties: {}, | ||
| geometry: { | ||
| type: 'Point', | ||
| coordinates: [reactEl.props.lon, reactEl.props.lat], | ||
| }, | ||
| })) | ||
|
|
||
| superCluster.load(features) | ||
|
|
||
| const bounds = map.getBounds() | ||
| /** @type {[number, number, number, number]} */ | ||
| const bbox = [ | ||
| bounds.getWest(), | ||
| bounds.getSouth(), | ||
| bounds.getEast(), | ||
| bounds.getNorth(), | ||
| ] | ||
| const zoom = map.getZoom() | ||
|
|
||
| const rawClusters = superCluster.getClusters(bbox, zoom) | ||
|
|
||
| const newClusters = [] | ||
| const newMarkers = new Set() | ||
| for (let i = 0; i < rawClusters.length; i += 1) { | ||
| const cluster = rawClusters[i] | ||
| if (cluster.properties.cluster) { | ||
| newClusters.push(cluster) | ||
| } else { | ||
| newMarkers.add(cluster.id) | ||
| } | ||
| } | ||
| // @ts-ignore | ||
| featureRef?.current?.addData(newClusters) | ||
| setMarkers(newMarkers) | ||
| } else { | ||
| setMarkers(new Set()) | ||
| } | ||
| return () => { | ||
| featureRef.current?.clearLayers() | ||
| } | ||
| }, [children, featureRef, superCluster]) | ||
|
|
||
| return ( | ||
| <> | ||
| <MarkerClusterGroup | ||
| key={`${userCluster}-${limitHit}`} | ||
| disableClusteringAtZoom={limitHit ? 20 : clusteringRules.zoomLevel} | ||
| chunkedLoading | ||
| > | ||
| {children} | ||
| </MarkerClusterGroup> | ||
| <Notification | ||
| open={limitHit} | ||
| severity="warning" | ||
| i18nKey="cluster_limit" | ||
| messages={[ | ||
| { | ||
| key: 'limitHit', | ||
| variables: [category, clusteringRules.forcedLimit || 0], | ||
| }, | ||
| { | ||
| key: 'zoomIn', | ||
| variables: [], | ||
| }, | ||
| ]} | ||
| /> | ||
| <GeoJSON ref={featureRef} data={null} pointToLayer={createClusterIcon} /> | ||
| {children.length > rules.forcedLimit || userCluster | ||
| ? children.filter((x) => x && markers.has(x.key)) | ||
| : children} | ||
| {limitHit && ( | ||
| <Notification | ||
| open={!!limitHit} | ||
| severity="warning" | ||
| i18nKey="cluster_limit" | ||
| messages={[ | ||
| { | ||
| key: 'limitHit', | ||
| variables: [category, rules.forcedLimit.toString()], | ||
| }, | ||
| { | ||
| key: 'zoomIn', | ||
| variables: [], | ||
| }, | ||
| ]} | ||
| /> | ||
| )} | ||
| </> | ||
| ) : ( | ||
| children | ||
| ) | ||
| } | ||
|
|
||
| export default Clustering |
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