var exports.foo

[Rich-Harris]

This clearly shouldn't happen...

[Rich-Harris]

Easy way to fix this would be to remove the var declaration. But underlying issue is that we're marking foo as something that gets reassigned, and therefore needs to be rewritten as exports.foo (rather than just declaring it and later doing export { foo }), when in actual fact it isn't reassigned; it was never initialised (and even if it was reassigned, it doesn't happen inside a function, which means there's no danger of the value changing after it gets exported).

So there's actually two issues here.

[mbostock]

A shot in the dark, but this looks related to #438.

[Rich-Harris]

Fixed in 0.25.1