React Audit Grep Patterns Complete scan command library for React 18.3.1 and React 19 migration audits. Usage Read the relevant section for your target: references/react18-scans.md - all scans for React 16/17 → 18.3.1 audit references/react19-scans.md - all scans for React 18 → 19 audit references/test-scans.md - test file specific scans (used by both auditors) references/dep-scans.md - dependency and peer conflict scans Base Patterns Used Across All Scans

Standard flags used throughout:

-r = recursive

-n = show line numbers

-l = show filenames only (for counting affected files)

--include=".js" --include=".jsx" = JS/JSX files only

| grep -v ".test.|.spec.|tests" = exclude test files

| grep -v "node_modules" = safety (usually handled by not scanning node_modules)

2>/dev/null = suppress "no files found" errors

Source files only (exclude tests):

SRC_FLAGS

'--include=".js" --include=".jsx"' EXCLUDE_TESTS = 'grep -v ".test.|.spec.|tests"'

Test files only:

TEST_FLAGS

'--include=".test.js" --include=".test.jsx" --include=".spec.js" --include=".spec.jsx"'