function domainType(domains) {
    return domains.map((domain) => {
        if (domain.match(/.org$/) !== null)
            return "organization"
        if (domain.match(/.com$/) !== null)
            return "commercial"
        if (domain.match(/.net$/) !== null)
            return "network"
        if (domain.match(/.info$/) !== null)
            return "information"
    });
}


/**
* 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"]);
    });
});