find-user-country/dist/lib/checks.js

Find your user country

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
function checkIsValidCountry(countryCode_1) {
    return __awaiter(this, arguments, void 0, function* (countryCode, options = { inspect: false }) {
        // get all countries database from github
        const getAllCountriesRes = yield fetch("https://raw.githubusercontent.com/dr5hn/countries-states-cities-database/refs/heads/master/json/countries.json");
        // if get all countries response is right...
        if (getAllCountriesRes.status === 200) {
            // help me for this code analyze...
            if (options.inspect)
                console.log("get all countries response status code is ", getAllCountriesRes.status);
            // get all countries with json format.
            const countries = yield getAllCountriesRes.json();
            // if all countries is right...
            if (countries) {
                // help me for this code analyze...
                if (options.inspect)
                    console.log("all countries datas are find!", JSON.stringify(countries[0], null, 2), "\n...");
                // then loop in countries for the getting countryCode
                let userCountryCode = countries.find((country) => countryCode === country.iso2.toLowerCase());
                if (userCountryCode) {
                    // help me for this code analyze...
                    if (options.inspect)
                        console.log(`matched! your country code is valid!`, userCountryCode);
                    return countryCode;
                }
                throw new Error(`user country code(${countryCode}) is not matched any countries!`);
            }
            // if countries is not found!
            else {
                throw new Error("Countries is not found on countries database!");
            }
        }
        // get all countries response is not valid!
        else {
            throw new Error(`Failed to fetching all countries database! ${getAllCountriesRes.status
                ? `here is status code = ${getAllCountriesRes.status}`
                : ""}`);
        }
    });
}
exports.default = checkIsValidCountry;