geo-ng/index.ts

Retrieve a comprehensive list of states, areas, and sub-areas in Nigeria, providing users with essential geographic information for the country.

import { areas } from "./functions/nigeria-states";
import { StateCodes, NigeriaState } from "./@types";

const getNigeriaStates = (): Omit<NigeriaState, "subs">[] => {
  return areas.map(({ subs, ...state }) => state);
};

const getLGAs = (stateCode: StateCodes): string[] => {
  const state = areas.filter((state) => state.code === stateCode);
  return state.length > 0 ? state[0].lgas : [];
};

const getLgaSubAreas = (stateCode: StateCodes, lga: string): string[] => {
  const state = areas.filter((state) => state.code === stateCode);
  const subAreas = state.length > 0 ? state[0]?.subs[lga] : [];
  return subAreas;
};

export { getNigeriaStates, getLGAs, getLgaSubAreas, StateCodes, NigeriaState };