3.5: Upgrade / migrate from Eslint to biome #9138
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Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## master #9138 +/- ##
==========================================
+ Coverage 81.43% 81.89% +0.45%
==========================================
Files 601 604 +3
Lines 33793 33860 +67
Branches 3067 3188 +121
==========================================
+ Hits 27520 27730 +210
+ Misses 6118 6005 -113
+ Partials 155 125 -30 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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- Add tests/ui/App.test.jsx: Test URL transformations and routing - URL backwards compatibility (perf.html, pushhealth.html, logviewer.html) - Permalink hash preservation - Document title updates for perfherder alerts - Export verification (no react-hot-loader wrapper) - Expand tests/ui/helpers/filter.test.js: Comprehensive filter helper tests - thMatchType, thFieldChoices, thFilterDefaults constants - arraysEqual and matchesDefaults functions - hasUrlFilterChanges URL comparison - reloadOnChangeParameters and allFilterParams arrays - Add tests/ui/perfherder/App.test.jsx: Export and structure verification - Verify no hot loader wrapper (RSPack migration regression test) - Validate class component structure and lifecycle methods - Add tests/ui/push-health/App.test.jsx: Component and routing tests - Component loading and API call verification - Route handling (push, my-pushes, usage) - Export verification for RSPack migration 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Change server command from 'yarn start' to 'pnpm start' to match the package manager migration. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add tests for dayjs helper module (UTC, customParseFormat, isSameOrAfter, relativeTime plugins) - Add tests for display.js dayjs migration (toMercurialDateStr, toMercurialShortDateStr) - Add tests for taskcluster.js credential expiration with dayjs - Add tests for DateRangePicker MUI component migration - Add tests for intermittent-failures helpers (prettyDate, calculateMetrics) - Add tests for perfherder helpers (getFilledBugSummary date formatting) - Add tests for GraphsContainer and TableView date formatting - Add tests for job-view App react-resizable-panels migration 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add format:md, format:md:check, and lint:md scripts using prettier - Fix lint errors in test files: - taskcluster.test.js: Use toThrow() instead of try/catch - DateRangePicker.test.jsx: Remove jest.mock with require(), use toHaveLength() - helpers.test.jsx: Use toHaveLength() - GraphsContainer.test.jsx: Remove unused variable 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add tests/ui/App.test.jsx: Test URL transformations and routing - URL backwards compatibility (perf.html, pushhealth.html, logviewer.html) - Permalink hash preservation - Document title updates for perfherder alerts - Export verification (no react-hot-loader wrapper) - Expand tests/ui/helpers/filter.test.js: Comprehensive filter helper tests - thMatchType, thFieldChoices, thFilterDefaults constants - arraysEqual and matchesDefaults functions - hasUrlFilterChanges URL comparison - reloadOnChangeParameters and allFilterParams arrays - Add tests/ui/perfherder/App.test.jsx: Export and structure verification - Verify no hot loader wrapper (RSPack migration regression test) - Validate class component structure and lifecycle methods - Add tests/ui/push-health/App.test.jsx: Component and routing tests - Component loading and API call verification - Route handling (push, my-pushes, usage) - Export verification for RSPack migration 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Change server command from 'yarn start' to 'pnpm start' to match the package manager migration. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
…use safer approach.
Add comprehensive test coverage for changes introduced in the defaultProps deprecation fixes: - tests/ui/hooks/useDebounce.test.js: Tests for useDebouncedValue and useDebouncedCallback hooks (17 tests) - tests/ui/hooks/useJobButtonRegistry.test.js: Tests for job button registry functions and hook lifecycle (25 tests) - tests/ui/helpers/job.test.js: Tests for getBtnClass, isReftest, isPerfTest, canConfirmFailure, isClassified, isUnclassifiedFailure, findInstance, getResultState, addAggregateFields, getTaskRunStr, getTaskRun (57 tests) - tests/ui/job-view/pushes/JobButton.test.jsx: Tests for the converted functional JobButton component (23 tests) 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Replace require() with ES module import in job.test.js to fix global-require - Use shorthand boolean attributes (visible, intermittent) in JobButton.test.jsx 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
This PR migrates from ESLint + Prettier to Biome, a fast, unified linter and formatter.
Why Biome?
pnpm Compatibility Issues with ESLint:
node_modulesstructureeslint-config-airbnbdoesn't support ESLint 9's flat config, requiring theFlatCompatcompatibility layerBiome Benefits:
What Changed
Removed:
eslintand alleslint-*plugins/configs (12 packages)prettier@babel/eslint-parserglobalseslint.config.mjsAdded:
@biomejs/biomebiome.jsonconfigurationUpdated Scripts:
eslint ...biome lintprettier --writebiome format --writeprettier --checkbiome formatbiome check(lint + format)Auto-fixed by Biome:
import React from 'react'statements (151 files) - React 17+ doesn't require explicit React imports for JSXTest Plan
pnpm lintpasses (0 errors, 9 warnings)pnpm format:checkworkspnpm testpasses (existing InfraCompare test failure is unrelated)