Expose helper behavior as an importable function

[lukemelia]

I started using this library after a while of not using it and was surprised that I couldn't get similar output from

{{pluralize 2, 'cat'}} {{!-- "2 cats" --}}

and

import { pluralize } from 'ember-inflector';

//...
return pluralize(2, 'cat'); // throws an exception
//...

Instead the function only accepts a single string argument.

There are obviously backwards-compatibility issues to worry about here. Perhaps we should export a pluralize function from ember-inflector/lib/helpers/pluralize that behaves like the helper (and same for singularize)?

Happy to work on this if I get confirmation on the direction.

[stefanpenner]

@lukemelia it may not be compatibility issue, as we would detect the arity and give the right behavior (or am I missing something)?

[lukemelia]

@stefanpenner that should work. I'll put this on my list. 👍

[btecu]

This would be very useful.

Seems like #124 would make {{pluralize ...}} and pluralize(...) work in a similar way.

Any issues for not merging?

[stefanpenner]

released as v2.2.0 🎉