[RPP] Fix trace event search issues

1. The search feature was doing nothing if the query was <3 characters.
   This produced confusing results when deleting your query, since the
   last result highlights still lingered.
2. Ending the search sometimes threw an error from accessing a trace
   event indexed by -1. This resulted in search highlights remaining
   until the next time the panel was redrawn. TypeScript didn't catch
   this, because it was a normal array access. Fixed this by making the
   type nullable, instead of using -1 to denote "no selection".

Bug: 373914908
Change-Id: Ib292054a47b99c39dc36fdc459d8b44adb7ba044
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/5939712
Auto-Submit: Connor Clark <cjamcl@chromium.org>
Reviewed-by: Paul Irish <paulirish@chromium.org>
Commit-Queue: Paul Irish <paulirish@chromium.org>
3 files changed
tree: 470978fb4b3c73fd9bc121a02d49b3a180203fe2
  1. .vscode/
  2. build_overrides/
  3. config/
  4. docs/
  5. extension-api/
  6. extensions/
  7. front_end/
  8. inspector_overlay/
  9. node_modules/
  10. scripts/
  11. test/
  12. third_party/
  13. v8/
  14. .clang-format
  15. .editorconfig
  16. .eslintignore
  17. .eslintrc.js
  18. .git-blame-ignore-revs
  19. .gitallowed
  20. .gitattributes
  21. .gitignore
  22. .gitmodules
  23. .gn
  24. .mailmap
  25. .npmignore
  26. .npmrc
  27. .style.yapf
  28. .stylelintignore
  29. .stylelintrc.json
  30. AUTHORS
  31. BUILD.gn
  32. codereview.settings
  33. CONTRIBUTING.md
  34. DEPS
  35. favicon.ico
  36. LICENSE
  37. OWNERS
  38. package-lock.json
  39. package.json
  40. PRESUBMIT.py
  41. README.md
  42. tsconfig.json
  43. WATCHLISTS
README.md

Chrome DevTools frontend

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The client-side of the Chrome DevTools, including all TypeScript & CSS to run the DevTools webapp.

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