fix(constants): inline LIB_VERSION via codegen to fix compiled output

packages/react-native-executorch/package.json

@@ -37,7 +37,8 @@
     "typecheck": "tsc --noEmit",
     "lint": "eslint \"**/*.{js,ts,tsx}\"",
     "clean": "del-cli android/build example/android/build example/android/app/build example/ios/build lib",
-    "prepare": "bob build",
+    "prepare": "node scripts/sync-version.cjs && bob build",
+    "version": "node scripts/sync-version.cjs && git add src/constants/libVersion.ts",
     "prepack": "cp ../../README.md ./README.md",
     "postpack": "rm ./README.md"
   },

packages/react-native-executorch/scripts/sync-version.cjs

@@ -0,0 +1,24 @@
+#!/usr/bin/env node
+// Reads this package's package.json#version and writes it into
+// src/constants/libVersion.ts as a literal export. We do this so the
+// compiled output (lib/module/constants/libVersion.js) does not need
+// a runtime require('../../package.json') — that path is correct from
+// src/constants/ but wrong from lib/module/constants/ after bob's output
+// nesting, and breaks any consumer that resolves through the "main"/
+// "module" fields instead of the "react-native" field (e.g. web/Node).
+
+const { readFileSync, writeFileSync } = require('node:fs');
+const { resolve } = require('node:path');
+
+const pkgPath = resolve(__dirname, '..', 'package.json');
+const outPath = resolve(__dirname, '..', 'src', 'constants', 'libVersion.ts');
+
+const { version } = JSON.parse(readFileSync(pkgPath, 'utf8'));
+
+const body =
+  '// AUTO-GENERATED by scripts/sync-version.cjs — do not edit by hand.\n' +
+  '// Source of truth: package.json#version.\n' +
+  `export const LIB_VERSION: string = '${version}';\n`;
+
+writeFileSync(outPath, body, 'utf8');
+console.log(`[sync-version] wrote ${outPath} (LIB_VERSION=${version})`);

packages/react-native-executorch/src/constants/libVersion.ts

@@ -0,0 +1,3 @@
+// AUTO-GENERATED by scripts/sync-version.cjs — do not edit by hand.
+// Source of truth: package.json#version.
+export const LIB_VERSION: string = '0.9.0';

packages/react-native-executorch/src/constants/resourceFetcher.ts

@@ -1,4 +1,4 @@
 export const DOWNLOAD_EVENT_ENDPOINT =
   'https://ai.swmansion.com/telemetry/downloads/api/downloads';
 
-export const LIB_VERSION: string = require('../../package.json').version;
+export { LIB_VERSION } from './libVersion';