function domainType(domains) {
    //  write code here.
    const dictionary = {
        org: "organization",
        com: "commercial",
        net: "network",
        info: "information"
    }

    return domains.map(url => dictionary[url.match(/\w+$/)])
}



/**
* Test Suite 
*/
describe('domainType()', () => {
    it('returns list of domain types', () => {
        // arrange
        const domains = ["en.wiki.org", "codefights.com", "happy.net", "code.info"];
        
        // act
        const result = domainType(domains);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toEqual(["organization", "commercial", "network", "information"]);
    });
});