react-leaflet
Version:
React components for Leaflet maps
24 lines (23 loc) • 1.33 kB
JavaScript
import { createElementHook, createElementObject, createLayerHook, updateMediaOverlay } from '@react-leaflet/core';
import { SVGOverlay as LeafletSVGOverlay } from 'leaflet';
import { forwardRef, useImperativeHandle } from 'react';
import { createPortal } from 'react-dom';
export const useSVGOverlayElement = createElementHook(function createSVGOverlay(props, context) {
const { attributes, bounds, ...options } = props;
const container = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
container.setAttribute('xmlns', 'http://www.w3.org/2000/svg');
if (attributes != null) {
for (const name of Object.keys(attributes)){
container.setAttribute(name, attributes[name]);
}
}
const overlay = new LeafletSVGOverlay(container, bounds, options);
return createElementObject(overlay, context, container);
}, updateMediaOverlay);
export const useSVGOverlay = createLayerHook(useSVGOverlayElement);
function SVGOverlayComponent({ children, ...options }, forwardedRef) {
const { instance, container } = useSVGOverlay(options).current;
useImperativeHandle(forwardedRef, ()=>instance);
return container == null || children == null ? null : /*#__PURE__*/ createPortal(children, container);
}
export const SVGOverlay = /*#__PURE__*/ forwardRef(SVGOverlayComponent);