mirror of
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650 lines
21 KiB
Markdown
650 lines
21 KiB
Markdown
# `wasm-bindgen` Change Log
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--------------------------------------------------------------------------------
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## Unreleased
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Released YYYY-MM-DD.
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### Added
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* TODO (or remove section if none)
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### Changed
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* TODO (or remove section if none)
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### Deprecated
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* TODO (or remove section if none)
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### Removed
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* TODO (or remove section if none)
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### Fixed
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* TODO (or remove section if none)
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### Security
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* TODO (or remove section if none)
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--------------------------------------------------------------------------------
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## 0.2.33
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Released 2019-01-18.
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### Added
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* Improved the `Debug` output of `JsValue`
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[#1161](https://github.com/rustwasm/wasm-bindgen/pull/1161)
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* Bindings for `JSON.stringify` and its optional arguments have been added
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[#1190](https://github.com/rustwasm/wasm-bindgen/pull/1190)
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### Fixed
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* A bug with windows binaries being released has ben resolved.
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--------------------------------------------------------------------------------
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## 0.2.32
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Released 2019-01-16.
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### Added
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* Added support for Web IDL sequences. This enabled bindings generation for a
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couple more Web APIs. We generate functions for Web APIs that take sequences
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to accept any iterable, and for Web APIs that return sequences, a
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`js_sys::Array` is returned. See
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[#1152](https://github.com/rustwasm/wasm-bindgen/pull/1152) and
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[#1038](https://github.com/rustwasm/wasm-bindgen/issues/1038).
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* The `wasm-bindgen-test` test runner will capture `console.debug`,
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`console.info`, and `console.warn` log messages and print them to `stdout`
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now. It already supported `console.log` and `console.error` and continues to
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support them. See
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[#1183](https://github.com/rustwasm/wasm-bindgen/issues/1183) and
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[#1184](https://github.com/rustwasm/wasm-bindgen/pull/1184).
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* Added additional `--debug`-only assertions in the emitted JS glue for cases
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where an imported JS function that is not annotated with
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`#[wasm_bindgen(catch)]` throws an exception. This should help catch some bugs
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earlier! See [#1179](https://github.com/rustwasm/wasm-bindgen/pull/1179).
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### Fixed
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* Fixed a bug where `#[wasm_bindgen_test]` tests would fail in non-headless Web
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browsers if they used `console.log`. See
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[#1167](https://github.com/rustwasm/wasm-bindgen/pull/1167).
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* Fixed a bug where returning closures from exported functions sometimes
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resulted in a faulty error. See
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[#1174](https://github.com/rustwasm/wasm-bindgen/issues/1174) and
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[#1175](https://github.com/rustwasm/wasm-bindgen/pull/1175).
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* Sometimes our generated TypeScript interface files had syntax errors in them
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(missing semicolons). This has been fixed. See
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[#1181](https://github.com/rustwasm/wasm-bindgen/pull/1181).
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--------------------------------------------------------------------------------
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## 0.2.31
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Released 2019-01-09.
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### Added
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* A new `spawn_local` function has been added to the `wasm-bindgen-futures`
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crate.
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[#1148](https://github.com/rustwasm/wasm-bindgen/pull/1148)
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* Built-in conversions are now available from typed arrays and Rust arrays.
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[#1147](https://github.com/rustwasm/wasm-bindgen/pull/1147)
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### Fixed
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* Some casing of dictionary properties in WebIDL has been fixed.
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[#1155](https://github.com/rustwasm/wasm-bindgen/pull/1155)
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--------------------------------------------------------------------------------
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## 0.2.30
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Released 2019-01-07.
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### Added
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* The `wasm-bindgen` CLI now has an `--out-name` argument to name the output
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module.
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[#1084](https://github.com/rustwasm/wasm-bindgen/pull/1084)
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* Support for importing the `default` export has been added.
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[#1106](https://github.com/rustwasm/wasm-bindgen/pull/1106)
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### Changed
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* All `web-sys` methods are now flagged as `structural`, fixing a few bindings.
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[#1117](https://github.com/rustwasm/wasm-bindgen/pull/1117)
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### Fixed
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* A small bug with LTO and closures has been fixed.
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[#1145](https://github.com/rustwasm/wasm-bindgen/pull/1145)
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--------------------------------------------------------------------------------
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## 0.2.29
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Released 2018-12-04.
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### Added
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* Add a `#[wasm_bindgen(start)]` attribute to customize the `start` section of
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the wasm module.
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[#1057](https://github.com/rustwasm/wasm-bindgen/pull/1057)
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* Add support for producing the new "producers" section of wasm binaries
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[#1041](https://github.com/rustwasm/wasm-bindgen/pull/1041)
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* Add support a `typescript_custom_section` attribute for producing custom
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typescript abstractions
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[#1048](https://github.com/rustwasm/wasm-bindgen/pull/1048)
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* Generate `*.d.ts` files for wasm files in addition to the JS bindings
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[#1053](https://github.com/rustwasm/wasm-bindgen/pull/1053)
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* Add a feature to assert that all attributes in `#[wasm_bindgen]` are used to
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help catch typos and mistakes
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[#1055](https://github.com/rustwasm/wasm-bindgen/pull/1055)
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### Changed
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* JS glue generation has received a few small optimizations such as removing
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shims and removing object allocations
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[#1033](https://github.com/rustwasm/wasm-bindgen/pull/1033)
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[#1030](https://github.com/rustwasm/wasm-bindgen/pull/1030)
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* JS glue now just uses one array of JS objects instead of two
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[#1069](https://github.com/rustwasm/wasm-bindgen/pull/1069)
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### Fixed
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* Fix a typo in the `--no-modules` generated JS
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[#1045](https://github.com/rustwasm/wasm-bindgen/pull/1045)
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--------------------------------------------------------------------------------
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## 0.2.28
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Released 2018-11-12.
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### Added
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* The `js_class` support is now supported on exported types to define a
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different class in JS than is named in Rust
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[#1012](https://github.com/rustwasm/wasm-bindgen/pull/1012)
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* More WebIDL bindings are exposed with some internal restructuring to ignore
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unimplemented types at a different location
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[#1014](https://github.com/rustwasm/wasm-bindgen/pull/1014)
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* All imported types now implement `Deref` to their first `extends` attribute
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(or `JsValue` if one isn't listed). This is intended to greatly improve the
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ergonomics of `web-sys` bindings by allowing easy access to parent class
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methods
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[#1019](https://github.com/rustwasm/wasm-bindgen/pull/1019)
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* A new attribute, `final`, can be applied to JS imports. This attribute is
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relatively nuanced and [best explained in documentation][final-dox], but is
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added since `structural` is now the default
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[#1019](https://github.com/rustwasm/wasm-bindgen/pull/1019)
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[final-dox]: https://rustwasm.github.io/wasm-bindgen/reference/attributes/on-js-imports/final.html
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* A new CLI flag, `--remove-name-section`, can be passed to remove the wasm
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`name` section which contains the names of functions for debugging (typically
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not needed in release mode)
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[#1024](https://github.com/rustwasm/wasm-bindgen/pull/1024)
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### Changed
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* All imported functions are now `structural` by default. This shouldn't change
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the semantics of imported functions, only how they're invoked in the JS
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function shims that are generated by `wasm-bindgen`. More discussion can be
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founed on [RFC 5] and the PR
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[#1019](https://github.com/rustwasm/wasm-bindgen/pull/1019)
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[RFC 5]: https://rustwasm.github.io/rfcs/005-structural-and-deref.html
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* JS glue assertions for moved arguments are now only emitted in debug mode,
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which is still off by default
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[#1020](https://github.com/rustwasm/wasm-bindgen/pull/1020)
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### Fixed
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* Typescript generated bindings now correctly reflect `Option<T>` for more types
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[#1008](https://github.com/rustwasm/wasm-bindgen/pull/1008)
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* The JS shim code generation has been optimized for `structural` bindings (now
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the default) to include fewer JS shims and more easily optimizable for JS
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engines
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[#1019](https://github.com/rustwasm/wasm-bindgen/pull/1019)
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* Passing a `WebAssembly.Module` to the `--no-modules` constructor has been
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fixed
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[#1025](https://github.com/rustwasm/wasm-bindgen/pull/1025)
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--------------------------------------------------------------------------------
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## 0.2.27
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Released 2018-10-29.
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### Fixed
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* Fixed an internal panic where the gc passes were being too aggressive
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[#995](https://github.com/rustwasm/wasm-bindgen/pull/995)
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--------------------------------------------------------------------------------
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## 0.2.26
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Released 2018-10-29.
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### Added
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* The `TypedArray.slice` methods have now been bound in `js-sys`.
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[#956](https://github.com/rustwasm/wasm-bindgen/pull/956)
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* The `Debug` and `Clone` traits are now implemented for `js_sys::Promise`.
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[#957](https://github.com/rustwasm/wasm-bindgen/pull/957)
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* The `js_sys::DataView` type now exposes overloads to specify endianness.
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[#966](https://github.com/rustwasm/wasm-bindgen/pull/966)
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* When using `--no-modules` a `WebAssembly.Module` can now be directly passed
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into the instantiation glue.
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[#969](https://github.com/rustwasm/wasm-bindgen/pull/969)
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### Fixed
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* The `JsValue` type is no longer considered `Send`.
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[#955](https://github.com/rustwasm/wasm-bindgen/pull/955)
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* The generated JS glue is now more robust in the face of missing APIs.
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[#959](https://github.com/rustwasm/wasm-bindgen/pull/959)
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* An issue with the latest version of `safaridriver` used to run headless tests
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has been resolved.
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[#991](https://github.com/rustwasm/wasm-bindgen/pull/991)
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--------------------------------------------------------------------------------
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## 0.2.25
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Released 2018-10-10.
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### Fixed
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* Using `wasm-bindgen` will no longer unconditionally pull in Rust's default
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allocator for Wasm (dlmalloc) regardless if you configured a custom global
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allocator (eg wee_alloc).
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[#947](https://github.com/rustwasm/wasm-bindgen/pull/947)
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* Fixed web-sys build on some Windows machines.
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[#943](https://github.com/rustwasm/wasm-bindgen/issues/943)
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* Fixed generated ES class bindings to Rust structs that were only referenced
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through struct fields.
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[#948](https://github.com/rustwasm/wasm-bindgen/issues/948)
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--------------------------------------------------------------------------------
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## 0.2.24
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Released 2018-10-05.
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### Added
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* Constructors for types in `web-sys` should now have better documentation.
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* A new `vendor_prefix` attribute in `#[wasm_bindgen]` is supported to bind APIs
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on the web which may have a vendor prefix (like `webkitAudioContext`). This is
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then subsequently used to fix `AudioContext` usage in Safari.
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* The `#[wasm_bindgen(extends = Foo)]` attribute now supports full paths, so you
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can also say `#[wasm_bindgen(extends = foo::Bar)]` and such.
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### Changed
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* The `Closure<T>` type is now optimized when the underlying closure is a ZST.
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The type now no longer allocates memory in this situation.
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* The documentation now has a list of caveats for browser support, including how
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`TextEncoder` and `TextDecoder` are not implemented in Edge. If you're using
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webpack there's a listed strategy available, and improvements to the polyfill
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strategy are always welcome!
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* The `BaseAudioContext` and `AudioScheduledSourceNode` types in `web-sys` have
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been deprecated as they don't exist in Safari or Edge.
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### Fixed
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* Fixed the `#[wasm_bindgen_test]`'s error messages in a browser to correctly
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escape HTML-looking output.
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* WebIDL Attributes on `Window` are now correctly bound to not go through
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`Window.prototype` which doesn't exist but instead use a `structural`
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definition.
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* Fixed a codegen error when the `BorrowMut` trait was in scope.
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* Fixed TypeScript generation for constructors of classes, it was accidentally
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producing a syntactially invalid file!
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--------------------------------------------------------------------------------
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## 0.2.23
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Released 2018-09-26.
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### Added
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* [This is the first release of the `web-sys`
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crate!](https://rustwasm.github.io/2018/09/26/announcing-web-sys.html)
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* Added support for unions of interfaces and non-interfaces in the WebIDL
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frontend.
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* Added a policy for inclusion of new ECMAScript features in `js-sys`: the
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feature must be in stage 4 or greater for us to support it.
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* Added some documentation about size profiling and optimization with
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`wasm-bindgen` to the guide.
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* Added the `Clamped<T>` type for generating JavaScript `Uint8ClampedArray`s.
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* CI is now running on beta! Can't wait for the `rustc` release trains to roll
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over, so we can run CI on stable too!
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* Added the `js_sys::try_iter` function, which checks arbitrary JS values for
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compliance with the JS iteration protocol, and if they are iterable, converts
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them into an iterator over the JS values that they yield.
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### Changed
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* We now only generate null checks on methods on the JS side when in debug
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mode. For safety we will always null check on the Rust side, however.
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* Improved error messages when defining setters that don't start with `set_` and
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don't use `js_name = ...`.
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* Improved generated code for classes in a way that avoids an unnecessary
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allocation with static methods that return `Self` but are not the "main"
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constructor.
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* **BREAKING:** `js_sys::Reflect` APIs are all fallible now. This is because
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reflecting on `Proxy`s whose trap handlers throw an exception can cause any of
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the reflection APIs to throw. Accordingly, `js_sys` has been bumped from
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`0.2.X` to `0.3.X`.
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### Fixed
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* The method of ensuring that `__wbindgen_malloc` and `__wbindgen_free` are
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always emitted in the `.wasm` binary, regardless of seeming reachability is
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now zero-overhead.
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--------------------------------------------------------------------------------
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## 0.2.22
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Released 2018-09-21
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### Added
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* The `IntoIterator` trait is now implemented for JS `Iterator` types
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* A number of variadic methods in `js-sys` have had explicit arities added.
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* The guide has been improved quite a bit as well as enhanced with more examples
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* The `js-sys` crate is now complete! Thanks so much to everyone involved to
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help fill out all the APIs.
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* Exported Rust functions with `#[wasm_bindgen]` can now return a `Result` where
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the `Err` payload is raised as an exception in JS.
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### Fixed
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* An issue with running `wasm-bindgen` on crates that have been compiled with
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LTO has been resolved.
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--------------------------------------------------------------------------------
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## 0.2.21
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Released 2018-09-07
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### Added
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* Added many more bindings for `WebAssembly` in the `js-sys` crate.
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### Fixed
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* The "names" section of the wasm binary is now correctly preserved by
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wasm-bindgen.
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--------------------------------------------------------------------------------
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## 0.2.20
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Released 2018-09-06
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### Added
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* All of `wasm-bindgen` is configured to compile on stable Rust as of the
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upcoming 1.30.0 release, scheduled for October 25, 2018.
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* The underlying `JsValue` of a `Closure<T>` type can now be extracted at any
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time.
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* Initial and experimental support was added for modules that have shared memory
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(use atomic instructions).
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### Removed
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* The `--wasm2asm` flag of `wasm2es6js` was removed because the `wasm2asm` tool
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has been removed from upstream Binaryen. This is replaced with the new
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`wasm2js` tool from Binaryen.
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### Fixed
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* The "schema" version for wasm-bindgen now changes on all publishes, meaning we
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can't forget to update it. This means that the crate version and CLI version
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must exactly match.
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* The `wasm-bindgen` crate now has a `links` key which forbids multiple versions
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of `wasm-bindgen` from being linked into a dependency graph, fixing obscure
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linking errors with a more first-class error message.
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* Binary releases for Windows has been fixed.
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--------------------------------------------------------------------------------
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## 0.2.19 (and 0.2.18)
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Released 2018-08-27.
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### Added
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* Added bindings to `js-sys` for some `WebAssembly` types.
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* Added bindings to `js-sys` for some `Intl` types.
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* Added bindings to `js-sys` for some `String` methods.
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* Added an example of using the WebAudio APIs.
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* Added an example of using the `fetch` API.
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* Added more `extends` annotations for types in `js-sys`.
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* Experimental support for `WeakRef` was added to automatically deallocate Rust
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objects when gc'd.
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* Added support for executing `wasm-bindgen` over modules that import their
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memory.
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* Added a global `memory()` function in the `wasm-bindgen` crate for accessing
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the JS object that represent wasm's own memory.
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### Removed
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* Removed `AsMut` implementations for imported objects.
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### Fixed
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* Fixed the `constructor` and `catch` attributes combined on imported types.
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* Fixed importing the same-named static in two modules.
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--------------------------------------------------------------------------------
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## 0.2.17
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Released 2018-08-16.
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### Added
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* Greatly expanded documentation in the wasm-bindgen guide.
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* Added bindings to `js-sys` for `Intl.DateTimeFormat`
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* Added a number of `extends` attributes for types in `js-sys`
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### Fixed
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* Fixed compile on latest nightly with latest `proc-macro2`
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* Fixed compilation in some scenarios on Windows with paths in `module` paths
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--------------------------------------------------------------------------------
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## 0.2.16
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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
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
## 0.2.15
|
|
|
|
Released 2018-07-26.
|
|
|
|
### Fixed
|
|
|
|
* Fixed `wasm-bindgen` CLI version mismatch checks that got broken in the last
|
|
point release.
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
## 0.2.14
|
|
|
|
Released 2018-07-25.
|
|
|
|
### Fixed
|
|
|
|
* Fixed compilation errors on targets that use
|
|
Mach-O. [#545](https://github.com/rustwasm/wasm-bindgen/issues/545)
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
## 0.2.13
|
|
|
|
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)
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
## 0.2.12
|
|
|
|
Released 2018-07-19.
|
|
|
|
This release is mostly internal refactorings and minor improvements to the
|
|
existing crates and functionality, but the bigs news is an upcoming `js-sys` and
|
|
`web-sys` set of crates. The `js-sys` crate will expose [all global JS
|
|
bindings][js-all] and the `web-sys` crate will be generated from WebIDL to
|
|
expose all APIs browsers have. More info on this soon!
|
|
|
|
[js-all]: https://github.com/rustwasm/wasm-bindgen/issues/275
|
|
|
|
### Added
|
|
|
|
* Support for `Option<T>` was added where `T` can be a number of slices or
|
|
imported types.
|
|
* Comments in Rust are now preserved in generated JS bindings, as well as
|
|
comments being generated to indicate the types of arguments/return values.
|
|
* The online documentation has been reorganized [into a book][book].
|
|
* The generated JS is now formatted better by default for readability.
|
|
* A `--keep-debug` flag has been added to the CLI to retain debug sections by
|
|
default. This happens by default when `--debug` is passed.
|
|
|
|
[book]: https://rustwasm.github.io/wasm-bindgen/
|
|
|
|
### Fixed
|
|
|
|
* Compilation with the latest nightly compiler has been fixed (nightlies on and
|
|
after 2018-07-19)
|
|
* Declarations of an imported function in multiple crates have been fixed to not
|
|
conflict.
|
|
* Compilation with `#![deny(missing_docs)]` has been fixed.
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
## 0.2.11
|
|
|
|
Released 2018-05-24.
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
## 0.2.10
|
|
|
|
Released 2018-05-17.
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
## 0.2.9
|
|
|
|
Released 2018-05-11.
|