On Nov 19, 2014 6:54 AM, Axel Rauschmayer <[email protected]> wrote:
>
> Quoting https://people.mozilla.org/~jorendorff/es6-draft.html#sec-exports
>
> > `export default` HoistableDeclaration
Note that the actual spec. text has a [Default] grammar parameter after
HoistableDeclaration. That,'s important.
> > `export default` [lookahead ≠ `function`] AssignmentExpression `;`
>
> Questions:
>
> * Do these grammar rules mean that you have to put anonymous function
> expressions in parentheses? Is that desirable (given that it’s a frequent use
> case)?
No, HoistableDeclaration[Default] includes FunctionDeclaration that lacks a
BindingIdentifier.
> * If the purpose of the first rule is to enable default-exporting of
> declarations (= no semicolon) – shouldn’t classes be included?
It has nothing to do with semicolons. It's so a function that is a default
export can also have a local name binding.
We should also allow:
export default class Foo {};
where Foo is a module local binding.
Please file a bug.
Allen
>
> Thanks!
>
> Axel
>
> --
> Dr. Axel Rauschmayer
> [email protected]
> rauschma.de
>
>
>
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