Add constant output so that users can quickly get all types

[1615450788]

Now you can use it like this, and all tests have passed.

import Bowser from 'bowser';

const UA = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36 OPR/43.0.2442.1165';

const parser = new Parser(UA, true);

parser.is(Bowser.OS_MAP.MacOS) === true

Most of the time when using bowser, we need to query alias mapping many times, which can solve this problem very well and make use of IDE's automatic completion.

It's time to say goodbye to the alias.

[coveralls]

Pull Request Test Coverage Report for Build 575

• 15 of 15 (100.0%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.1%) to 88.902%

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Totals
Change from base Build 564:	0.1%
Covered Lines:	503
Relevant Lines:	519

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💛 - Coveralls

[lancedikson]

Looks great! Thanks for your work! I'll merge it and release a new version soon.