From 685d793ab2265cf7170328d680c84a04cb4c5ed7 Mon Sep 17 00:00:00 2001
From: Yuki Hattori <yukihattori1116@gmail.com>
Date: Thu, 26 Sep 2024 03:26:41 +0900
Subject: [PATCH] Fix SEGFAULT error by `new Intl.Segmenter().segment()` in the
 standalone binary

Baking the compatible ICU data with the Node binary.
---
 package.json    |  6 ++----
 scripts/icu.mjs | 53 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+), 4 deletions(-)
 create mode 100644 scripts/icu.mjs

diff --git a/package.json b/package.json
index f6c18470..30c9e323 100644
--- a/package.json
+++ b/package.json
@@ -40,9 +40,7 @@
   },
   "pkg": {
     "scripts": "lib/**/*.js",
-    "assets": [
-      "node_modules/vm2/**/*"
-    ]
+    "assets": ["tmp/icu/icudt*.dat"]
   },
   "browserslist": [
     "> 1% and last 3 versions",
@@ -61,7 +59,7 @@
     "lint:css": "stylelint \"src/**/*.{css,scss}\"",
     "prepack": "npm-run-all --parallel check:* lint:* test:coverage --parallel build types",
     "preversion": "run-p check:* lint:* test:coverage",
-    "standalone": "node -e 'fs.rmSync(`bin`,{recursive:true,force:true})' && pkg --out-path ./bin .",
+    "standalone": "node -e 'fs.rmSync(`bin`,{recursive:true,force:true})' && pkg --options \"icu-data-dir=$(node ./scripts/icu.mjs)\" --out-path ./bin .",
     "standalone:pack": "node ./scripts/pack.js",
     "test": "jest",
     "test:coverage": "jest --coverage",
diff --git a/scripts/icu.mjs b/scripts/icu.mjs
new file mode 100644
index 00000000..faf30cd4
--- /dev/null
+++ b/scripts/icu.mjs
@@ -0,0 +1,53 @@
+/* For baking the ICU data into the standalone binary, we need to download the compatible ICU data from the ICU repository. */
+import fs from 'node:fs'
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { promisify } from 'node:util'
+import yauzl from 'yauzl'
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
+const icuDir = path.join(__dirname, '../tmp/icu')
+await fs.promises.mkdir(icuDir, { recursive: true })
+
+const zipFromBuffer = promisify(yauzl.fromBuffer)
+
+// Get the ICU version and endianness
+const [icuMajor, icuMinor] = process.versions.icu.split('.')
+const icuEndianness = process.config.variables.icu_endianness.toLowerCase()
+
+// Download the ICU data
+const response = await fetch(
+  `https://github.com/unicode-org/icu/releases/download/release-${icuMajor}-${icuMinor}/icu4c-${icuMajor}_${icuMinor}-data-bin-${icuEndianness}.zip`
+)
+
+if (!response.ok) {
+  throw new Error(`Failed to download ICU data: ${response.statusText}`)
+}
+
+// Extract the ICU data
+const zip = await zipFromBuffer(Buffer.from(await response.arrayBuffer()), {
+  lazyEntries: true,
+})
+
+const icuDat = await new Promise((res, rej) => {
+  zip.on('error', (err) => rej(err))
+  zip.on('entry', async (entry) => {
+    if (/icudt\d+.\.dat/.test(entry.fileName)) {
+      zip.openReadStream(entry, (err, readStream) => {
+        if (err) return rej(err)
+
+        const output = path.join(icuDir, entry.fileName)
+
+        readStream.pipe(fs.createWriteStream(output))
+        res(output)
+      })
+    } else {
+      zip.readEntry()
+    }
+  })
+  zip.on('end', () => rej(meta))
+  zip.readEntry()
+})
+
+// Print the relative path to the ICU data from the project root
+console.log(path.relative(path.join(__dirname, '../'), icuDat))