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documenso/benchmarks/lint-format-migration.md
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Linter & Formatter Migration Benchmark

Environment

  • Node: v24.12.0
  • Machine: arm64 / Apple M4
  • Codebase: ~3520 source files

Before (ESLint + Prettier)

Tool Run 1 Run 2 Run 3 Median
ESLint (check) 86.22s 96.85s 67.77s 86.22s
Prettier (check) 19.46s 19.49s 20.90s 19.49s
Total 105.71s

After (oxlint + oxfmt)

Tool Run 1 Run 2 Run 3 Median
oxlint (check) 0.99s 0.72s 1.03s 0.99s
oxlint --type-aware (check) 13.62s 11.56s 10.01s 11.56s
oxfmt (check) 3.48s 3.28s 3.61s 3.48s
Total 16.03s

Speedup

Metric Before After Speedup
Lint 86.22s 11.56s (type-aware) 7.5x
Format 19.49s 3.48s 5.6x
Total 105.71s 16.03s 6.6x

Note: oxlint without --type-aware runs in ~1s (87x faster than ESLint). Type-aware mode is used in CI/turbo lint; pre-commit uses fast mode only.