From 48e1ef1f84c075f0c8e7be1947d7664ace103a08 Mon Sep 17 00:00:00 2001
From: Sergey Kozlov <dartess@mail.ru>
Date: Mon, 30 Jun 2025 18:16:58 +0400
Subject: [PATCH] refactor: inline classes.trie as Uint8Array & drop base64-js
 usage at runtime

---
 package.json             |   1 -
 src/classes-trie-data.js |   1 +
 src/classes.trie         | Bin 3977 -> 0 bytes
 src/generate_data.js     |   6 ++++--
 src/linebreaker.js       |   4 +---
 yarn.lock                |   5 -----
 6 files changed, 6 insertions(+), 11 deletions(-)
 create mode 100644 src/classes-trie-data.js
 delete mode 100644 src/classes.trie

diff --git a/package.json b/package.json
index 9ce61a7..8ec3d07 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,6 @@
   },
   "homepage": "https://github.com/devongovett/linebreaker",
   "dependencies": {
-    "base64-js": "0.0.8",
     "unicode-trie": "^2.0.0"
   },
   "devDependencies": {
diff --git a/src/classes-trie-data.js b/src/classes-trie-data.js
new file mode 100644
index 0000000..abf3551
--- /dev/null
+++ b/src/classes-trie-data.js
@@ -0,0 +1 @@
+export default new Uint8Array([0,8,14,0,0,0,0,0,64,230,0,0,1,120,15,135,240,237,157,123,140,93,69,29,199,231,178,187,119,247,222,189,187,237,221,178,165,82,150,210,46,21,88,64,44,104,128,16,2,13,49,148,160,129,2,134,87,20,196,40,143,226,31,149,34,98,195,31,72,48,16,148,240,16,8,24,49,128,52,80,65,165,90,240,5,42,164,74,208,38,109,164,10,34,42,164,32,34,21,37,20,12,242,240,59,156,25,239,236,116,158,103,30,231,150,222,77,62,153,115,206,60,126,191,249,205,111,30,103,206,57,119,239,236,35,228,94,176,22,60,8,158,3,91,192,86,240,22,232,235,39,100,184,223,63,28,3,187,130,5,96,10,28,0,14,118,200,119,4,56,218,16,255,49,240,113,240,9,240,25,176,12,92,0,46,6,151,10,233,190,2,174,6,55,128,111,130,59,192,119,192,106,176,6,252,4,60,12,30,3,27,193,38,150,247,105,22,62,7,182,128,87,193,107,224,109,80,31,32,100,20,204,4,115,192,30,96,111,48,5,22,129,67,193,98,22,127,12,88,202,226,233,249,41,224,76,112,14,56,15,124,30,92,12,46,101,241,87,130,107,193,205,236,252,54,112,247,64,33,255,62,132,63,6,191,100,229,83,253,30,69,184,1,60,1,254,8,158,5,155,250,138,243,23,193,203,236,252,117,132,239,176,60,131,117,66,102,128,89,96,110,189,136,127,145,165,159,172,23,225,94,245,34,45,231,128,122,135,131,25,135,131,35,24,98,90,19,71,35,237,113,82,250,115,33,239,100,143,50,92,56,67,40,239,108,28,47,3,23,128,149,224,178,122,167,190,87,225,248,122,240,13,73,254,29,56,191,73,56,191,19,231,247,130,181,66,94,202,79,89,190,71,132,235,191,193,241,239,192,83,245,194,239,41,180,125,39,16,62,75,211,129,87,192,27,44,111,109,176,8,135,16,206,4,187,12,118,228,206,195,241,194,65,125,61,247,71,220,34,67,188,11,135,34,255,98,112,12,88,10,78,5,159,2,231,130,229,224,66,112,9,184,28,92,1,174,1,55,49,153,183,178,112,21,194,239,130,251,193,67,224,87,96,61,139,219,132,240,41,240,172,70,207,231,133,235,47,225,248,85,137,173,194,241,91,160,54,68,72,3,180,193,28,176,7,216,27,124,16,28,2,142,4,75,192,241,224,20,112,38,56,103,168,40,255,124,132,43,192,151,216,249,165,8,175,24,242,183,217,53,44,207,77,8,111,245,200,191,170,132,172,123,165,60,107,133,243,59,153,143,61,136,107,235,192,250,161,162,63,111,26,114,231,247,224,207,224,121,240,79,240,26,120,27,212,27,197,241,104,195,156,127,182,16,191,187,37,109,143,30,61,226,193,199,129,170,245,232,209,163,71,143,30,61,122,244,232,177,125,177,160,75,239,219,246,105,76,223,15,209,241,129,70,177,151,71,143,15,194,241,61,66,220,97,13,123,254,163,144,230,88,150,238,4,132,139,251,139,253,154,211,112,124,22,43,251,60,132,203,193,197,141,98,63,238,34,186,127,128,227,43,89,190,107,17,222,220,152,190,63,68,185,13,215,86,25,100,223,141,248,251,192,26,240,3,240,67,176,22,220,15,30,232,197,245,226,122,113,189,184,94,92,244,184,135,192,58,240,40,120,119,207,180,66,54,52,170,165,234,250,247,232,209,213,4,174,99,159,64,31,251,43,216,220,40,255,156,238,5,77,222,127,225,250,127,0,105,18,50,8,102,52,167,199,207,194,249,92,48,9,246,5,7,129,67,154,133,94,71,34,92,210,172,126,252,217,121,70,193,215,193,227,160,53,83,207,18,112,5,248,153,34,238,77,233,252,67,109,66,86,128,123,192,230,118,113,109,206,24,33,39,129,175,130,187,192,11,224,25,232,48,15,118,56,3,124,11,252,133,218,112,152,144,69,128,224,254,227,164,225,226,92,228,50,112,125,173,195,35,44,45,231,37,156,239,215,34,228,163,96,57,184,8,172,1,175,128,3,71,112,13,220,7,254,61,50,189,156,29,141,246,232,116,187,245,232,209,163,199,142,196,210,81,243,220,127,60,230,163,83,154,250,248,211,154,219,174,89,120,220,89,136,59,79,202,251,57,156,95,200,174,157,168,121,247,138,190,151,117,125,228,247,178,76,92,164,169,223,37,134,122,83,46,167,235,26,250,46,151,34,221,117,236,218,45,150,50,108,220,174,176,175,10,158,126,53,75,255,61,65,238,3,236,248,231,194,181,135,155,197,187,96,187,225,248,49,28,111,100,231,79,34,124,6,252,141,157,191,140,240,117,240,95,118,78,247,30,233,26,132,239,43,14,227,120,214,112,71,135,185,56,94,129,112,114,184,120,247,112,95,132,7,129,195,134,213,58,111,69,153,71,13,119,244,218,29,28,171,72,203,211,127,145,250,141,32,143,166,63,29,231,159,102,101,44,67,120,1,139,167,123,160,43,217,122,73,87,222,85,195,106,187,243,61,221,235,16,127,203,240,244,60,183,227,124,53,88,3,238,7,15,177,50,214,33,92,207,142,55,34,124,82,35,87,174,207,51,72,247,2,216,2,94,81,200,122,131,149,185,83,171,83,55,27,77,164,29,107,21,123,201,187,182,58,215,231,227,120,33,216,191,149,175,127,185,240,225,46,211,167,10,14,103,54,248,136,193,22,75,52,113,199,225,250,201,45,55,223,72,73,217,186,159,17,177,253,233,187,137,103,183,58,199,116,46,57,159,157,175,64,184,50,147,175,125,89,35,231,202,86,241,238,228,213,66,123,221,216,10,191,215,183,81,182,30,183,50,61,87,117,129,127,85,201,106,199,54,162,247,218,15,128,7,61,219,148,190,15,91,117,29,125,251,247,186,86,231,93,243,29,149,245,158,227,201,227,72,255,39,234,31,138,181,225,230,237,108,30,252,59,244,221,18,65,103,106,199,173,204,151,222,164,229,141,96,13,51,82,189,191,139,126,79,191,17,208,197,83,189,199,70,138,116,187,32,220,109,100,219,252,123,226,218,126,35,238,54,89,196,210,30,26,96,7,186,222,91,156,216,142,58,253,143,25,153,30,191,52,67,123,158,202,108,246,73,15,59,155,152,237,1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diff --git a/src/classes.trie b/src/classes.trie
deleted file mode 100644
index 34190caba744657da4895d6457b922fc031cc37e..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 3977
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diff --git a/src/generate_data.js b/src/generate_data.js
index fe90760..b8ab486 100644
--- a/src/generate_data.js
+++ b/src/generate_data.js
@@ -43,6 +43,8 @@ request('https://www.unicode.org/Public/15.0.0/ucd/LineBreak.txt', function (err
 
   trie.setRange(parseInt(start, 16), parseInt(end, 16), classes[type], true);
 
-  // write the trie to a file
-  fs.writeFileSync(new URL('classes.trie', import.meta.url), trie.toBuffer());
+  // write the trie Uint8Array to a file
+  const trieBuffer = trie.toBuffer();
+  const output = `export default new Uint8Array([${[...trieBuffer].join(',')}]);\n`;
+  fs.writeFileSync(new URL('classes-trie-data.js', import.meta.url), output);
 });
diff --git a/src/linebreaker.js b/src/linebreaker.js
index b50bc4c..3cd14c4 100644
--- a/src/linebreaker.js
+++ b/src/linebreaker.js
@@ -1,10 +1,8 @@
 import UnicodeTrie from 'unicode-trie';
-import fs from 'fs';
-import base64 from 'base64-js';
 import { BK, CR, LF, NL, SG, WJ, SP, ZWJ, BA, HY, NS, AI, AL, CJ, HL, RI, SA, XX } from './classes';
 import { DI_BRK, IN_BRK, CI_BRK, CP_BRK, PR_BRK, pairTable } from './pairs';
+import data from './classes-trie-data.js';
 
-const data = base64.toByteArray(fs.readFileSync(__dirname + '/classes.trie', 'base64'));
 const classTrie = new UnicodeTrie(data);
 
 const mapClass = function (c) {
diff --git a/yarn.lock b/yarn.lock
index 78198ea..e5812cc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -965,11 +965,6 @@ base-x@^3.0.8:
   dependencies:
     safe-buffer "^5.0.1"
 
-base64-js@0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-0.0.8.tgz#1101e9544f4a76b1bc3b26d452ca96d7a35e7978"
-  integrity sha1-EQHpVE9KdrG8OybUUsqW16NeeXg=
-
 bcrypt-pbkdf@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz#a4301d389b6a43f9b67ff3ca11a3f6637e360e9e"