report Zstandard compression results

Author: cometkim

README.md

@@ -254,14 +254,14 @@ Since [Hermes doesn't support the `Intl.Segmenter` API](https://github.com/faceb
 
 #### JS Bundle Stats
 
-| Name                         | Unicode® | ESM? |   Size    | Size (min) | Size (min+gzip) | Size (min+br) |
-|------------------------------|----------|------|----------:|-----------:|----------------:|--------------:|
-| `unicode-segmenter/grapheme` |   16.0.0 |    ✔️ |    15,941 |     12,192 |           5,064 |         3,739 |
-| `graphemer`                  |   15.0.0 |    ✖️ ️|   410,435 |     95,104 |          15,752 |        10,660 |
-| `grapheme-splitter`          |   10.0.0 |    ✖️ |   122,252 |     23,680 |           7,852 |         4,841 |
-| `@formatjs/intl-segmenter`*  |   15.0.0 |    ✖️ |   603,285 |    369,560 |          72,218 |        49,416 |
-| `unicode-segmentation`*      |   16.0.0 |    ✔️ |    56,529 |     52,443 |          24,110 |        17,343 |
-| `Intl.Segmenter`*            |        - |    - |         0 |          0 |               0 |             0 |
+| Name                         | Unicode® | ESM? |   Size    | Size (min) | Size (min+gzip) | Size (min+br) | Size (min+zstd) |
+|------------------------------|----------|------|----------:|-----------:|----------------:|--------------:|----------------:|
+| `unicode-segmenter/grapheme` |   16.0.0 |   ✔️ |    15,941 |     12,192 |           5,064 |         3,739 |           4,747 |
+| `graphemer`                  |   15.0.0 |   ✖️ ️|   410,435 |     95,104 |          15,752 |        10,660 |          15,911 |
+| `grapheme-splitter`          |   10.0.0 |   ✖️ |   122,252 |     23,680 |           7,852 |         4,841 |           6,750 |
+| `@formatjs/intl-segmenter`*  |   15.0.0 |   ✖️ |   603,285 |    369,560 |          72,218 |        49,416 |          67,975 |
+| `unicode-segmentation`*      |   16.0.0 |   ✔️ |    56,529 |     52,443 |          24,110 |        17,343 |          24,377 |
+| `Intl.Segmenter`*            |        - |    - |         0 |          0 |               0 |             0 |               0 |
 
 * `@formatjs/intl-segmenter` handles grapheme, word, and sentence, but it's not tree-shakable.
 * `unicode-segmentation` size contains only minimum WASM binary and its bindings to execute benchmarking. It will increases to expose more features.

benchmark/_helper.js

@@ -3,6 +3,7 @@ import { promisify } from 'node:util';
 
 let gzip = promisify(zlib.gzip);
 let brotli = promisify(zlib.brotliCompress);
+let zstd = promisify(zlib.zstdCompress);
 
 function byteLength(bytes, pretty = process.env.PRETTY === 'true') {
   let len = bytes;
@@ -19,6 +20,7 @@ export async function reportBundleStats(name, bundle, minBundle) {
     'Size (min)': byteLength(minBundle),
     'Size (min+gzip)': byteLength(await gzip(minBundle)),
     'Size (min+br)': byteLength(await brotli(minBundle)),
+    'Size (min+zstd)': byteLength(await zstd(minBundle)),
   };
 }
 
@@ -29,6 +31,7 @@ export async function reportWasmBindingStats(name, bundle, minBundle, wasm) {
     'Size (min)': byteLength(minBundle.byteLength + wasm.byteLength),
     'Size (min+gzip)': byteLength((await gzip(minBundle)).byteLength + (await gzip(wasm)).byteLength),
     'Size (min+br)': byteLength((await brotli(minBundle)).byteLength + (await brotli(wasm)).byteLength),
+    'Size (min+zstd)': byteLength((await zstd(minBundle)).byteLength + (await zstd(wasm)).byteLength),
   };
 }