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leaflet-superclaster

v0.1.5

Published

Leaflet binding for supercluster

Downloads

9

Readme

leaflet-superclaster

CircleCI

Leaflet binding for supercluster

| move | static | | ------------- |:-------------:| | | | | example | example |

import * as L from 'leaflet'

import {SuperclusterGroup} from 'leaflet-superclaster'
import 'leaflet-superclaster/dist/supercluster.css'

this.superclusterGroup = new SuperclusterGroup().addTo(this.map)
this.superclusterGroup.on('point.click', function({parentLayer, layer, target}) {
  let popup = layer.getPopup()
  if (!popup) {
    popup = L.popup({
      autoClose: false,
      closeOnClick: false,
      autoPan: false
    }).setContent(JSON.stringify(layer.feature.properties))
    layer.bindPopup(popup).openPopup()
  }
})

this.superclusterGroup.on('layer.updated', function ({layer}) {
  const popup = layer.getPopup()
  if (popup && popup.isOpen()) {
    popup.setContent(JSON.stringify(layer.feature.properties))
  }
})

const features = [{
  properties: {
    // !! id in properties are required
    // used for redraw markers which changes the position
    id: 1
  },
  type: "Feature",
  geometry: {type: "Point", coordinates: [45, 66]}
}]
this.superclusterGroup.loadGeoJsonData(features)

Methods

loadGeoJsonData(features) - set markers positions
keepPoint(id) - Save point id for keep in view useful if appended popup with keepView optio
unKeepPoint(id)

Events

| name | params | desciption | | ------------- |:-------------: | -----:| | point.click | parentLayer, layer, target | Fired on click by point | | cluster.click | parentLayer, layer, target | Fired on click by cluster | | layer.created | layer, feature | fired on marker(point or cluster) create | | layer.updated | layer, target | fired on layer position(lat, lng) was updated | | draw | layer, target | fired after markers draw, return layers with markers | | end | | all data in worker executed | | wait | | data execution in worker |

Development

Run webpack in dev mode and server with fixtures data

npm run watch

Tests

npm run test:e2e

Fallback

For use in ie 11 with webpack. Install copy-webpack-plugin and copy leaflet-superclaster.worker.js to root folder:

const CopyPlugin = require('copy-webpack-plugin')

...
plugins: [
  new CopyPlugin([
    { from: 'node_modules/leaflet-superclaster/dist/leaflet-superclaster.worker.js', to: 'leaflet-superclaster.worker.js' }
  ])
]
...