commit | 32255a579bdf04efaa26108fa405ca2cdcf433f6 | [log] [tgz] |
---|---|---|
author | Paul Berry <paulberry@google.com> | Tue Mar 02 21:33:27 2021 +0000 |
committer | commit-bot@chromium.org <commit-bot@chromium.org> | Tue Mar 02 21:33:27 2021 +0000 |
tree | 3e03fe72b89a8e45f7a7423869a1bf12ea4f05ae | |
parent | 91c628d63aa5cd9c6165413946bb9f1171131f60 [diff] |
Migration: fix race condition with null navigationTree. If the user tries to click around in the migration web UI before the navigation tree has finished loading, the `navigationTree` global variable will still be null; we need to allow for this possibility to avoid a crash. Bug: https://buganizer.corp.google.com/issues/181067935 Change-Id: I5398ac62bb4eb307aaa48ec39098b6ae0541a6a9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/188560 Reviewed-by: Samuel Rawlins <srawlins@google.com> Commit-Queue: Paul Berry <paulberry@google.com>
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