function domainType(domains) {
   
    return domains.map((element) => {
        let domain = element.split("/")[0];
        switch(domain.split(".").pop()) {
            case 'org':
                return "organization"
            case 'com':
                return "commercial"
            case 'net':
                return "network"
            case 'info':
                return "information"
        }    
    });
}



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

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