Use the Resolve API to define ResolveLoader according to webpack

[eliperelman]

According to the webpack docs:

This set of options is identical to the resolve property set above, but is used only to resolve webpack's loader packages.

This tells me that the Resolve API and the ResolveLoader API should actually be identical. According to the webpack schema, both resolve and resolveLoader are ref'd to the resolve definition:

https://github.com/webpack/webpack/blob/dfe6379052598a00f13bfa4f34ac73856ddf3dd0/schemas/WebpackOptions.json#L1668

This should not be breaking at all, and should only be a feature bump due to the addition of the resolve methods. The only reason we aren't just new-ing a Resolve in Config is that there are some legacy methods that would cause a breaking change if removed.

Fixes #97.

[edmorley]

Could you add some of the test/Resolve.js tests to test/ResolveLoader.js? :-)

[edmorley]

👍

[eliperelman]

Released in v4.10.0.