simple.ts

importtype{UiState,IndexUiState,StateMapping}from'../../types';

functiongetIndexStateWithoutConfigure<TIndexUiStateextendsIndexUiState>(
uiState: TIndexUiState
): Omit<TIndexUiState,'configure'>{
const{ configure, ...trackedUiState}=uiState;
returntrackedUiState;
}

// technically a URL could contain any key, since users provide it,
// which is why the input to this function is UiState, not something
// which excludes "configure" as this function does.
exportdefaultfunctionsimpleStateMapping<
TUiStateextendsUiState=UiState
>(): StateMapping<TUiState,TUiState>{
return{
$$type: 'ais.simple',

stateToRoute(uiState){
returnObject.keys(uiState).reduce(
(state,indexId)=>({
 ...state,
[indexId]: getIndexStateWithoutConfigure(uiState[indexId]),
}),
{}asTUiState
);
},

routeToState(routeState={}asTUiState){
returnObject.keys(routeState).reduce(
(state,indexId)=>({
 ...state,
[indexId]: getIndexStateWithoutConfigure(routeState[indexId]),
}),
{}asTUiState
);
},
};
}