nigeria-validator/src/goe.js

Validate and format common Nigerian data: phone numbers, BVNs, bank codes, etc.

// src/geo.js
const stateLgas = require("../data/states-lgas.json");

/**
 * Check if a given state name exists
 */
const isValidState = (state) => {
  return Object.prototype.hasOwnProperty.call(stateLgas, state);
};

/**
 * Get all LGAs for a given state
 */
const getLGAs = (state) => {
  return stateLgas[state] || null;
};

/**
 * Check if a specific LGA exists in a given state
 */
const isValidLGA = (state, lga) => {
  const lgas = stateLgas[state];
  if (!lgas) return false;
  return lgas.includes(lga);
};

module.exports = { isValidState, getLGAs, isValidLGA };