[dart2js] Migrate dart2js_tools to null safety

Change-Id: I43186c26521eca6405d0ab8b3a50b545a91b5cc2 Issue: https://github.com/dart-lang/sdk/issues/46617 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/215013 Reviewed-by: Sigmund Cherem <sigmund@google.com> Commit-Queue: Nicholas Shahan <nshahan@google.com>
2021-10-08 23:54:54 +00:00
parent 52c0a7bfd1
commit 50fb0c6e61
12 changed files with 119 additions and 118 deletions
@@ -220,7 +220,7 @@
      "name": "dart2js_tools",
      "rootUri": "../pkg/dart2js_tools",
      "packageUri": "lib/",
-      "languageVersion": "2.3"
+      "languageVersion": "2.12"
    },
    {
      "name": "dart2native",