Files
sdk/pkg
Nicholas Shahan 2379cdc080 [ddc] Enforce more null safety on js interop
- Add a runtime flag to enable checks on non-nullable APIs that
  return values from non-static JavaScript interop.
- Call a new helper method at the call site when these APIs are
  detected to perform the null check.
- Add test file for the cases we can detect and enforce.

NOTE: This does not make non-static JavaScript interop sound.
This only adds more checks to enforce soundness with respect
to nullability in some cases. There are still holes that will
never be closed due to the permissive nature of this form of
JavaScript interop.

Change-Id: I2f88d1543a683fdc84d764e2b0eaafeb0ca73107
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/358581
Reviewed-by: Samuel Rawlins <srawlins@google.com>
Reviewed-by: Mayank Patke <fishythefish@google.com>
Commit-Queue: Nicholas Shahan <nshahan@google.com>
Reviewed-by: Srujan Gaddam <srujzs@google.com>
Reviewed-by: Sigmund Cherem <sigmund@google.com>
2024-04-03 23:20:15 +00:00
..
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Package validation

The packages in pkg/ are automatically validated on the LUCI CI bots. The validation is largely done by the tools/package_deps package; it can be tested locally via:

dart tools/package_deps/bin/package_deps.dart

Packages which are published

There are several packages developed in pkg/ which are published to pub. Validation of these packages is particularly important because the pub tools are not used for these packages during development; we get our dependency versions from the DEPS file. It's very easy for the dependencies specified in a package's pubspec file to get out of date wrt the packages and versions actually used.

In order to better ensure we're publishing correct packages, we validate some properties of the pubspec files on our CI system. These validations include:

  • that the dependencies listed in the pubspec are used in the package
  • that all the packages used by the source are listed in the pubspec
  • that we don't use relative path deps to pkg/ or third_party/ packages

Packages which are not published

For packages in pkg/ which we do not intend to be published, we put the following comment in the pubspec.yaml file:

# This package is not intended for consumption on pub.dev. DO NOT publish.
publish_to: none

These pubspecs are still validated by the package validation tool. The contents are more informational as the pubspecs for these packages are not consumed by the pub tool or ecosystem.

We validate:

  • that the dependencies listed in the pubspec are used in the package
  • that all the packages used by the source are listed in the pubspec
  • that a reference to a pkg/ package is done via a relative path dependency