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Merged
Tony133 merged 2 commits into from
Aug 31, 2026
Merged

perf: replace regex parser with a charCode scanner #81

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7f87ad9
perf: replace regex parser with a charCode scanner
mcollina Aug 21, 2026
082798f
Merge branch 'main' into perf/charcode-scanner
Tony133 Aug 28, 2026
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16 changes: 9 additions & 7 deletions README.md
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Expand Up @@ -60,13 +60,15 @@ with an empty string `''` as type and an empty Object for `parameters`.
## Benchmarks

```sh
node benchmarks/index.js
util#MIMEType x 1,206,781 ops/sec ±0.22% (96 runs sampled)
fast-content-type-parse#parse x 3,752,236 ops/sec ±0.42% (96 runs sampled)
fast-content-type-parse#safeParse x 3,675,645 ops/sec ±1.09% (94 runs sampled)
content-type#parse x 1,452,582 ops/sec ±0.37% (95 runs sampled)
busboy#parseContentType x 924,306 ops/sec ±0.43% (94 runs sampled)
Fastest is fast-content-type-parse#parse
npm run benchmark

Benchmarking: "application/json; charset=utf-8"
util#MIMEType x 2,637,188 ops/sec ±0.95% (93 runs sampled)
fast-content-type-parse#parse x 5,165,077 ops/sec ±0.75% (95 runs sampled)
fast-content-type-parse#safeParse x 5,189,599 ops/sec ±0.72% (94 runs sampled)
content-type#parse x 4,227,069 ops/sec ±0.79% (96 runs sampled)
busboy#parseContentType x 777,787 ops/sec ±0.75% (91 runs sampled)
Fastest is fast-content-type-parse#safeParse,fast-content-type-parse#parse
```

## Credits
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