Check Node.js version

ark120202 · ark120202 · commit ebf19745e9cd · 2020-04-29T12:56:22.000Z
diff --git a/src/tstl.ts b/src/tstl.ts
@@ -204,6 +204,17 @@ function updateWatchCompilationHost(
     };
 }
 
+function checkNodeVersion() {
+    const [major, minor] = process.version.split(".").map(Number);
+    const isValid = major > 12 || (major === 12 && minor >= 13);
+    if (!isValid) {
+        console.error(`TypeScriptToLua requires Node.js >=12.13.0, the current version is v${process.version}`);
+        process.exit(1);
+    }
+}
+
+checkNodeVersion();
+
 if (ts.sys.setBlocking) {
     ts.sys.setBlocking();
 }
