feat: bake git commit and build date into --version string, bump to 0.3.0-beta

Author: cs01

package.json

@@ -1,6 +1,6 @@
 {
   "name": "chadscript",
-  "version": "0.2.0-beta",
+  "version": "0.3.0-beta",
   "description": "A JavaScript to native code compiler using LLVM",
   "type": "module",
   "main": "dist/chad-node.js",

scripts/gen-version.js

@@ -1,3 +1,18 @@
 import { readFileSync, writeFileSync } from "fs";
+import { execSync } from "child_process";
+
 const pkg = JSON.parse(readFileSync("package.json", "utf8"));
-writeFileSync("src/version.ts", `export const VERSION = "${pkg.version}";\n`);
+
+let gitCommit = "unknown";
+try {
+  gitCommit = execSync("git rev-parse --short HEAD", { stdio: ["ignore", "pipe", "ignore"] })
+    .toString()
+    .trim();
+} catch {
+  // not a git checkout (e.g., building from a release tarball)
+}
+
+const buildDate = new Date().toISOString().slice(0, 10);
+const fullVersion = `${pkg.version}-${gitCommit}-${buildDate}`;
+
+writeFileSync("src/version.ts", `export const VERSION = "${fullVersion}";\n`);