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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | 1x 1x 1x | import React from 'react';
import { useContext } from 'react';
type InitialState = {
BMap?: typeof BMap;
map?: BMap.Map;
container?: HTMLDivElement | null;
};
export const initialState: Partial<InitialState> = {
map: undefined,
BMap: undefined,
container: undefined,
};
export const reducer = (state: InitialState, action: InitialState) => {
return {
...state,
...action,
};
};
export interface ContextState {
state: Partial<InitialState>;
dispatch: React.Dispatch<InitialState>;
}
export const Context = React.createContext<ContextState>({
state: initialState,
dispatch: () => null,
});
export function useMapContext() {
const { state, dispatch } = useContext(Context);
return { ...state, state, dispatch };
}
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