interopDefault breaks when combining a default string export with named exports

[hayes]

Environment

node 18

Reproduction

require('mlly').interopDefault({ default: 'test', x: 123 })

Describe the bug

I would expect in this case that the original module would be returned rather the just the default export test

Additional context

Checking if newModule is an object after it is assigned here: https://github.com/unjs/mlly/blob/main/src/cjs.ts#L38C3-L38C3 and returning the sourceModule instead if its not an object or function should work

Logs

No response

[pi0]

By default interopDefault returns a proxified object that allows mixed syntax usage. We might support interopDefault({ default: 'test', x: 123 }, { strict: true }) to always return default key.

[pi0]

preferNamespace added as an opt-in (and non behavior changing) feature see 5d23c98 and 14eb72d

I hope it can help in your case but if you have some usecases that belive this behavior being default could be beneficial please mention.