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Usage of the [`runtimeType`](https://api.dartlang.org/dev/2.2.1-dev.0.0/dart-core/Object/runtimeType.html) property of Object is expensive in dart2js. The compiler has written some optimizations howev…
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Issue: Firebase cmdline utility does not detect any Firebase functions written in Dart.
Steps to Reproduce:
1. File: functions/pubspec.yaml
```name: test
dependencies:
firebase_admin_intero…
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Recently I discovered that **dart2js** was canonicalizing `const []` and `const []` to the same object.
This canonicalization is incorrect [1] and only recently showed up a few co19 tests for patte…
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Today, we provide [`@JSExport`](https://api.flutter.dev/flutter/dart-js_interop/JSExport-class.html) as a mechanism with `dart:js_interop` to expoe objects to JavaScript with a public API. This was pr…
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**@pragma('dart2js:noElision')** is just working for keep unused fields or unused parameters ,I want to **keep a function or class**, what should I do
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Meta issue to track tasks related to modular support in dart2js.
This includes:
* [x] support generating dart2js kernel in kernel_worker used by bazel and build runner
* [x] add support for runni…
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DDC prohibits such import outright, but dart2js allows it to a certain extent.
In grpc package we have `import 'dart:io' show HttpStatus;` and it works in dart2js builds just fine (which means it…
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I made a chrome packaged app using chrome: 0.6.0, using custom elements, and it is was working fine, I just upgraded the chrome pub to the latest one 0.6.3, the app working fine in DARTIUM, but after …
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Would be nice to have an option to allow `very_good` to continue after first failure. I love being able to use it to fetch all packages but sometimes there are failures I expect and would like to ign…