fix: guard process.argv[1] for strict index access

Add tsc --noEmit to hk pre-commit so type errors are caught locally.

Author: connorads

cli.ts

@@ -344,7 +344,8 @@ export default defineConfig({
 	}
 }
 
-if (import.meta.filename === realpathSync(process.argv[1])) {
+const entryScript = process.argv[1]
+if (entryScript && import.meta.filename === realpathSync(entryScript)) {
 	main().catch((err: unknown) => {
 		console.error(err)
 		process.exit(1)

hk.pkl

@@ -16,6 +16,9 @@ hooks {
 				check = "pnpm exec oxlint --import-plugin --promise-plugin {{files}}"
 			}
 			["typos"] = (Builtins.typos)
+			["tsc"] {
+				check = "pnpm exec tsc --noEmit"
+			}
 		}
 	}
 	["commit-msg"] {