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172 lines
5.0 KiB
Markdown
172 lines
5.0 KiB
Markdown
# `wasm-bindgen` Change Log
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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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## 0.2.16
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Released 2018-08-13.
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### Added
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* Added the `wasm_bindgen::JsCast` trait, as described in [RFC #2][rfc-2].
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* Added [the `#[wasm_bindgen(extends = ...)]` attribute][extends-attr] to
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describe inheritance relationships, as described in [RFC #2][rfc-2].
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* Added support for receiving `Option<&T>` parameters from JavaScript in
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exported Rust functions and methods.
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* Added support for receiving `Option<u32>` and other option-wrapped scalars.
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* Added reference documentation to the guide for every `#[wasm_bindgen]`
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attribute and how it affects the generated bindings.
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* Published the `wasm-bindgen-futures` crate for converting between JS
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`Promise`s and Rust `Future`s.
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### Changed
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* Overhauled the guide's documentation on passing JS closures to Rust, and Rust
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closures to JS.
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* Overhauled the guide's documentation on using serde to serialize complex data
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to `JsValue` and deserialize `JsValue`s back into complex data.
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* Static methods are now always bound to their JS class, as is required for
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`Promise`'s static methods.
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### Removed
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* Removed internal usage of `syn`'s `visit-mut` cargo feature, which should
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result in faster build times.
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### Fixed
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* Various usage errors for the `#[wasm_bindgen]` proc-macro are now properly
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reported with source span information, rather than `panic!()`s inside the
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proc-macro.
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* Fixed a bug where taking a struct by reference and returning a slice resulted
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in lexical variable redeclaration errors in the generated JS glue. [#662][]
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* The `#[wasm_bindgen(js_class = "....")]` attribute for binding methods to
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renamed imported JS classes now properly works with constructors.
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[rfc-2]: https://rustwasm.github.io/rfcs/002-wasm-bindgen-inheritance-casting.html
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[extends-attr]: https://rustwasm.github.io/wasm-bindgen/reference/attributes/on-js-imports/extends.html
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[#662]: https://github.com/rustwasm/wasm-bindgen/pull/662
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--------------------------------------------------------------------------------
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## 0.2.15
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Released 2018-07-26.
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### Fixed
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* Fixed `wasm-bindgen` CLI version mismatch checks that got broken in the last
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point release.
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--------------------------------------------------------------------------------
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## 0.2.14
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Released 2018-07-25.
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### Fixed
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* Fixed compilation errors on targets that use
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Mach-O. [#545](https://github.com/rustwasm/wasm-bindgen/issues/545)
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--------------------------------------------------------------------------------
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## 0.2.13
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Released 2018-07-22.
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### Added
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* Support the `#[wasm_bindgen(js_name = foo)]` attribute on exported functions
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and methods to allow renaming an export to JS. This allows JS to call it by
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one name and Rust to call it by another, for example using `camelCase` in JS
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and `snake_case` in Rust
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### Fixed
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* Compilation with the latest nightly compiler has been fixed (nightlies on and
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after 2018-07-21)
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--------------------------------------------------------------------------------
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## 0.2.12
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Released 2018-07-19.
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This release is mostly internal refactorings and minor improvements to the
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existing crates and functionality, but the bigs news is an upcoming `js-sys` and
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`web-sys` set of crates. The `js-sys` crate will expose [all global JS
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bindings][js-all] and the `web-sys` crate will be generated from WebIDL to
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expose all APIs browsers have. More info on this soon!
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[js-all]: https://github.com/rustwasm/wasm-bindgen/issues/275
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### Added
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* Support for `Option<T>` was added where `T` can be a number of slices or
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imported types.
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* Comments in Rust are now preserved in generated JS bindings, as well as
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comments being generated to indicate the types of arguments/return values.
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* The online documentation has been reorganized [into a book][book].
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* The generated JS is now formatted better by default for readability.
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* A `--keep-debug` flag has been added to the CLI to retain debug sections by
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default. This happens by default when `--debug` is passed.
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[book]: https://rustwasm.github.io/wasm-bindgen/
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### Fixed
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* Compilation with the latest nightly compiler has been fixed (nightlies on and
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after 2018-07-19)
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* Declarations of an imported function in multiple crates have been fixed to not
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conflict.
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* Compilation with `#![deny(missing_docs)]` has been fixed.
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--------------------------------------------------------------------------------
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## 0.2.11
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Released 2018-05-24.
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--------------------------------------------------------------------------------
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## 0.2.10
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Released 2018-05-17.
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--------------------------------------------------------------------------------
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## 0.2.9
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Released 2018-05-11.
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