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24 lines
702 B
24 lines
702 B
2 years ago
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import { createContext, useContext } from 'react';
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export const CONTEXT_VERSION = 1;
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export function createLeafletContext(map) {
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return Object.freeze({
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__version: CONTEXT_VERSION,
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map
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});
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}
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export function extendContext(source, extra) {
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return Object.freeze({
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...source,
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...extra
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});
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}
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export const LeafletContext = createContext(null);
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export const LeafletProvider = LeafletContext.Provider;
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export function useLeafletContext() {
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const context = useContext(LeafletContext);
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if (context == null) {
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throw new Error('No context provided: useLeafletContext() can only be used in a descendant of <MapContainer>');
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}
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return context;
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}
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