function domainType(domains) {
    //  write code here.
    return domains.map(x => {
        x = x.split(".");
        switch(x[x.length -1]) {
            case "org":
            x = "organization";
            break;
            case "com":
            x = "commercial";
            break;
            case "net":
            x = "network";
            break;
            case "info":
            x = "information";
            break;
            default:
            break;
        }
       return x;
    })
}



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