1c534e5fd5
Lowers these extension methods to some helper functions instead of allowInterop to improve performance and get consistent semantics. Specifically: - Function.toJS no longer gives you the same JSFunction when calling toJS on the same function multiple times in the JS compilers. - Adds fast calling syntax for functions with 0-5 args in the JS compilers. - Allows additional args to be passed to converted functions that are omitted in the JS compilers. - The static type now determines the number of args that can be passed to the JS function in the JS compilers. - Fixes an issue in dart2wasm where if too few arguments are passed, the call may succeed due to conversion of undefined to null. - Adds throws when a user tries to wrap a JS function that returned from Function.toJS in the JS compilers. Closes https://github.com/dart-lang/sdk/issues/55515 Addresses https://github.com/dart-lang/sdk/issues/48186 CoreLibraryReviewExempt: Changes to docs only in API surface. Change-Id: I41d864dc5e02b597d9f1c16c88e3c04872f28225 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/368065 Reviewed-by: Nicholas Shahan <nshahan@google.com> Reviewed-by: Stephen Adams <sra@google.com> Commit-Queue: Srujan Gaddam <srujzs@google.com> Reviewed-by: Martin Kustermann <kustermann@google.com> |
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Dart
An approachable, portable, and productive language for high-quality apps on any platform
Dart is:
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Approachable: Develop with a strongly typed programming language that is consistent, concise, and offers modern language features like null safety and patterns.
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Portable: Compile to ARM, x64, or RISC-V machine code for mobile, desktop, and backend. Compile to JavaScript or WebAssembly for the web.
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Productive: Make changes iteratively: use hot reload to see the result instantly in your running app. Diagnose app issues using DevTools.
Dart's flexible compiler technology lets you run Dart code in different ways, depending on your target platform and goals:
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Dart Native: For programs targeting devices (mobile, desktop, server, and more), Dart Native includes both a Dart VM with JIT (just-in-time) compilation and an AOT (ahead-of-time) compiler for producing machine code.
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Dart Web: For programs targeting the web, Dart Web includes both a development time compiler (dartdevc) and a production time compiler (dart2js).
License & patents
Dart is free and open source.
See LICENSE and PATENT_GRANT.
Using Dart
Visit dart.dev to learn more about the language, tools, and to find codelabs.
Browse pub.dev for more packages and libraries contributed by the community and the Dart team.
Our API reference documentation is published at api.dart.dev, based on the stable release. (We also publish docs from our beta and dev channels, as well as from the primary development branch).
Building Dart
If you want to build Dart yourself, here is a guide to getting the source, preparing your machine to build the SDK, and building.
There are more documents in our repo at docs.
Contributing to Dart
The easiest way to contribute to Dart is to file issues.
You can also contribute patches, as described in Contributing.
Roadmap
Future plans for Dart are included in the combined Dart and Flutter roadmap on the Flutter wiki.