iso-by-coords/lib/index.js

Get a country's ISO code by coordinates

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const geojson_geometries_lookup_1 = __importDefault(require("geojson-geometries-lookup"));
const typings_1 = require("./typings");
const configureCountryIso = (options) => {
    const { map } = options;
    const worldLookup = new geojson_geometries_lookup_1.default(map);
    const countryFeatureToIsoMapper = (feature) => options.iso === typings_1.CountryISO.ALPHA_2
        ? feature.properties.A2
        : feature.properties.A3;
    return {
        getIsoCodes: (lat, lng) => {
            const countries = worldLookup.getContainers({
                type: 'Point',
                coordinates: [lng, lat]
            });
            if (countries.features.length > 0) {
                return [...new Set(countries.features.map(countryFeatureToIsoMapper))];
            }
            return [];
        }
    };
};
exports.default = configureCountryIso;