Wasmbind

Released 2018-08-27.

Added

* Added bindings to `js-sys` for some `WebAssembly` types.
* Added bindings to `js-sys` for some `Intl` types.
* Added bindings to `js-sys` for some `String` methods.
* Added an example of using the WebAudio APIs.
* Added an example of using the `fetch` API.
* Added more `extends` annotations for types in `js-sys`.
* Experimental support for `WeakRef` was added to automatically deallocate Rust
objects when gc'd.
* Added support for executing `wasm-bindgen` over modules that import their
memory.
* Added a global `memory()` function in the `wasm-bindgen` crate for accessing
the JS object that represent wasm's own memory.

Removed

* Removed `AsMut` implementations for imported objects.

Fixed

* Fixed the `constructor` and `catch` attributes combined on imported types.
* Fixed importing the same-named static in two modules.

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Released 2018-08-16.

Added

* Greatly expanded documentation in the wasm-bindgen guide.
* Added bindings to `js-sys` for `Intl.DateTimeFormat`
* Added a number of `extends` attributes for types in `js-sys`

Fixed

* Fixed compile on latest nightly with latest `proc-macro2`
* Fixed compilation in some scenarios on Windows with paths in `module` paths

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Released 2018-08-13.

Added

* Added the `wasm_bindgen::JsCast` trait, as described in [RFC 2][rfc-2].
* Added [the `[wasm_bindgen(extends = ...)]` attribute][extends-attr] to
describe inheritance relationships, as described in [RFC 2][rfc-2].
* Added support for receiving `Option<&T>` parameters from JavaScript in
exported Rust functions and methods.
* Added support for receiving `Option<u32>` and other option-wrapped scalars.
* Added reference documentation to the guide for every `[wasm_bindgen]`
attribute and how it affects the generated bindings.
* Published the `wasm-bindgen-futures` crate for converting between JS
`Promise`s and Rust `Future`s.

Changed

* Overhauled the guide's documentation on passing JS closures to Rust, and Rust
closures to JS.
* Overhauled the guide's documentation on using serde to serialize complex data
to `JsValue` and deserialize `JsValue`s back into complex data.
* Static methods are now always bound to their JS class, as is required for
`Promise`'s static methods.

Removed

* Removed internal usage of `syn`'s `visit-mut` cargo feature, which should
result in faster build times.

Fixed

* Various usage errors for the `[wasm_bindgen]` proc-macro are now properly
reported with source span information, rather than `panic!()`s inside the
proc-macro.
* Fixed a bug where taking a struct by reference and returning a slice resulted
in lexical variable redeclaration errors in the generated JS glue. [662][]
* The `[wasm_bindgen(js_class = "....")]` attribute for binding methods to
renamed imported JS classes now properly works with constructors.

[rfc-2]: https://rustwasm.github.io/rfcs/002-wasm-bindgen-inheritance-casting.html
[extends-attr]: https://rustwasm.github.io/wasm-bindgen/reference/attributes/on-js-imports/extends.html
[662]: https://github.com/rustwasm/wasm-bindgen/pull/662

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Released 2018-07-26.

Fixed

* Fixed `wasm-bindgen` CLI version mismatch checks that got broken in the last
point release.

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Released 2018-07-25.

Fixed

* Fixed compilation errors on targets that use
Mach-O. [545](https://github.com/rustwasm/wasm-bindgen/issues/545)

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Released 2018-07-22.

Added

* Support the `[wasm_bindgen(js_name = foo)]` attribute on exported functions
and methods to allow renaming an export to JS. This allows JS to call it by
one name and Rust to call it by another, for example using `camelCase` in JS
and `snake_case` in Rust

Fixed

* Compilation with the latest nightly compiler has been fixed (nightlies on and
after 2018-07-21)

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