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dart-sdk/docs/Null-safety-migration-status.md
Devon Carew 2837647bea [wiki] move the https://github.com/dart-lang/sdk/wiki to the docs/ dir 
Change-Id: I28db796fadcc111d97d3589bf3988ea0bbb8e18a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/366682
Reviewed-by: Alexander Thomas <athom@google.com>
Commit-Queue: Devon Carew <devoncarew@google.com>
2024-05-16 18:19:40 +00:00

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Important

This page was copied from https://github.com/dart-lang/sdk/wiki and needs review. Please contribute changes to bring it up-to-date - removing this header - or send a CL to delete the file.

Null safety migration

This page contains stats for the migration of packages on pub.dev to Dart's sound null safety feature.

The data below is based on the following criteria:

  • Package supports null safety: The Dart SDK lower constraint is >= 2.12.0-0
  • Package is unblocked for starting migrating to null safety: All direct dep of the package support null safety
  • Blocking score: The number of packages (incl. transitive deps) only blocked from null-safety migration by this package. If a package is blocked by N dependencies, then it only contributes with a blocking score of 1/N.

Note: Pub.dev also has a list of packages with null safety. This may show a slightly lower count than the "raw" counts below, as some categories of packages (e.g. those marked discontinued) are not shown in the pub.dev search UI.

Summary:

Package counts (each package counts only once)

packages with null safety:                   8208

packages without null safety total:          13066
packages without null safety blocked:        2054
packages without null safety unblocked:      11012

packages in total (w. Dart 2.12 support):    21274

Top blocking packages

Top 50 by blocking score (unblocked for migr.):

  shared_aws_api                            216.5   Yes
  angel_framework                            30.6   No
  angular                                    29.4   No
  galileo_framework                          21.2   No
  awareframework_core                        21.0   Yes
  mustache                                   18.0   Yes
  resource                                   16.7   Yes
  mango_ui                                   15.0   Yes
  dart2_constant                             14.5   Yes
  ocg_app                                    14.4   Yes
  jaguar_serializer                          13.3   Yes
  flushbar                                   11.2   Yes
  angel_container                            10.9   Yes
  flutter_facebook_login                     10.6   Yes
  transformer_page_view                      10.5   Yes
  toast                                      10.5   Yes
  nui_core                                   10.3   No
  validate                                   10.1   Yes
  intl_translation                           10.1   Yes
  mustache4dart                               9.4   Yes
  console_log_handler                         9.3   Yes
  masamune_flutter                            9.0   No
  streams_channel                             9.0   Yes
  latlong                                     8.9   No
  pip_services3_commons                       8.2   Yes
  database                                    8.0   Yes
  screen                                      8.0   Yes
  pip_services3_components                    7.7   No
  plugin_scaffold                             7.0   Yes
  class_extensions_annotations                6.3   Yes
  flutter_swiper                              6.2   No
  time_machine                                6.0   Yes
  merge_map                                   5.8   Yes
  react                                       5.8   Yes
  progress_dialog                             5.6   Yes
  code_buffer                                 5.6   Yes
  modal_progress_hud                          5.6   Yes
  jaguar_query                                5.3   Yes
  flutter_masked_text                         5.3   Yes
  utf                                         5.2   Yes
  kiilib_core                                 5.0   Yes
  pub_client                                  5.0   Yes
  flutter_icons                               5.0   Yes
  flutter_widgets                             4.9   Yes
  flutter_page_indicator                      4.8   Yes
  tinycolor                                   4.7   Yes
  pip_services3_rpc                           4.7   No
  tripledes                                   4.7   Yes
  galileo_orm                                 4.7   Yes
  body_parser                                 4.5   No