function domainType(domains) {
    const domainTypes = {
        org: "organization",
        com: "commercial",
        net: "network",
        info: "information"
    }
    let rootDomain = '';
    let listOfDomainLabels =[];
    
    for(let domain of domains) {
        rootDomain = domain.split('.');
        for(let domainType in domainTypes) {
            if (rootDomain.includes(domainType)) {
                listOfDomainLabels.push(domainTypes[domainType]);
            }
        }   
    }
    return listOfDomainLabels.length === 0 ? "Sorry, none of our listed domain types were found." : listOfDomainLabels;
}



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

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