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React / Leaflet combination
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export default class GeoJsonMapLayer extends React.Component { | |
render() { | |
return ( | |
<div> | |
</div> | |
); | |
} | |
componentWillUnmount() { | |
if (this.layer) { | |
this.props.layerParent.removeLayer(this.layer) | |
} | |
} | |
componentDidMount() { | |
this.componentDidUpdate(); | |
} | |
componentDidUpdate() { | |
if (this.layer) { | |
this.props.layerParent.removeLayer(this.layer); | |
} | |
this.layer = Leaflet.geoJson(this.props, { | |
style: { | |
fill: false, | |
stroke: false | |
}, | |
}).addTo(this.props.layerParent); | |
} | |
} |
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import React from 'react'; | |
import _ from "lodash"; | |
import Leaflet from 'leaflet'; | |
import "leaflet/dist/leaflet.css"; | |
import GeoJsonMapLayer from "./GeoJsonMapLayer"; | |
export default class LeafletMap extends React.Component { | |
constructor(props) { | |
super(props); | |
this.layerParent = Leaflet.layerGroup(); | |
} | |
render() { | |
return ( | |
<div ref="mapContainer"> | |
{_.map(this.props.layers, layer => | |
<GeoJsonMapLayer {...layer} | |
key={layer.properties.code} | |
layerParent={this.layerParent} | |
/> | |
)} | |
</div> | |
); | |
} | |
componentDidMount() { | |
this.map = Leaflet.map(this.refs.mapContainer, { | |
zoom: MINZOOM, | |
minZoom: MINZOOM, | |
maxZoom: MAXZOOM, | |
center: CENTER, | |
maxBounds: MAXBOUNDS, | |
attributionControl: false, | |
doubleClickZoom: false, | |
layers: [ | |
Leaflet.tileLayer(`http://api.tiles.mapbox.com/v3/${MAPBOX_MAPID}/{z}/{x}/{y}.png`), | |
this.layerParent, | |
], | |
}); | |
} | |
componentWillUnmount() { | |
this.map.remove(); | |
} | |
} |
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