remove conversion hack on counting (#87)

which was introduced because of some advantages in content compression.

It's simply not useful anymore.

Author: cometkim

README.md

@@ -220,7 +220,7 @@ Since [Hermes doesn't support the `Intl.Segmenter` API](https://github.com/faceb
 
 | Name                         | Unicode® | ESM? |   Size    | Size (min) | Size (min+gzip) | Size (min+br) | Size (min+zstd) |
 |------------------------------|----------|------|----------:|-----------:|----------------:|--------------:|----------------:|
-| `unicode-segmenter/grapheme` |   16.0.0 |   ✔️ |    15,921 |     12,189 |           5,060 |         3,773 |           4,746 |
+| `unicode-segmenter/grapheme` |   16.0.0 |   ✔️ |    15,922 |     12,188 |           5,057 |         3,770 |           4,745 |
 | `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 |
@@ -236,7 +236,7 @@ Since [Hermes doesn't support the `Intl.Segmenter` API](https://github.com/faceb
 
 | Name                         | Bytecode size | Bytecode size (gzip)* |
 |------------------------------|--------------:|----------------------:|
-| `unicode-segmenter/grapheme` |        20,928 |                10,973 |
+| `unicode-segmenter/grapheme` |        20,936 |                10,980 |
 | `graphemer`                  |       133,978 |                31,713 |
 | `grapheme-splitter`          |        63,835 |                19,137 |
 

src/grapheme.js

@@ -89,11 +89,7 @@ export function* graphemeSegments(input) {
   let index = 0;
 
   while (true) {
-    // @ts-ignore
-    // Note: 
-    //   Using `!` and implicit conversion for brotli compression ratio.
-    //   Even a small change like `+` or `>=` here will increase the size.
-    cursor += !(cp < 0xFFFF) + 1;
+    cursor += cp < 0xFFFF ? 1 : 2;
 
     // Note: Of course the nullish coalescing is useful here,
     // but avoid it for aggressive compatibility and perf claim