jam-cloud/jam-ui/node_modules/react-leaflet/es/WMSTileLayer.js.flow

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// @flow
import { TileLayer } from 'leaflet'
import isEqual from 'fast-deep-equal'
import { withLeaflet } from './context'
import GridLayer from './GridLayer'
import { EVENTS_RE } from './MapEvented'
import type { GridLayerProps } from './types'
type LeafletElement = TileLayer.WMS
type Props = { url: string } & GridLayerProps
class WMSTileLayer extends GridLayer<LeafletElement, Props> {
createLeafletElement(props: Props): LeafletElement {
const { url, ...params } = props
const { leaflet: _l, ...options } = this.getOptions(params)
return new TileLayer.WMS(url, options)
}
updateLeafletElement(fromProps: Props, toProps: Props) {
super.updateLeafletElement(fromProps, toProps)
const { url: prevUrl, opacity: _po, zIndex: _pz, ...prevProps } = fromProps
const { leaflet: _pl, ...prevParams } = this.getOptions(prevProps)
const { url, opacity: _o, zIndex: _z, ...props } = toProps
const { leaflet: _l, ...params } = this.getOptions(props)
if (url !== prevUrl) {
this.leafletElement.setUrl(url)
}
if (!isEqual(params, prevParams)) {
this.leafletElement.setParams(params)
}
}
getOptions(params: Object): Object {
const superOptions = super.getOptions(params)
return Object.keys(superOptions).reduce((options, key) => {
if (!EVENTS_RE.test(key)) {
options[key] = superOptions[key]
}
return options
}, {})
}
}
export default withLeaflet<Props, WMSTileLayer>(WMSTileLayer)