Refactor zsc.js for Bun compatibility and new commands

Updated CLI argument parsing to be Bun-safe and added new package commands.

Author: zs-3

compiler/zsc.js

@@ -16,40 +16,13 @@ import { SemanticAnalyzer } from "./semantic/SemanticAnalyzer.js";
    METADATA
 ========================= */
 
-const VERSION = "0.3.4";
+const VERSION = "0.3.5";
 
 /* =========================
-   CLI ARG NORMALIZATION
+   CLI ARG PARSING (BUN-SAFE)
 ========================= */
 
-/*
-  Works for:
-  - bun zsc.js ...
-  - node zsc.js ...
-  - zsc.exe ...
-*/
-
-let argv = [...process.argv];
-
-// Remove runtime (node / bun)
-if (
-  argv[0].endsWith("node") ||
-  argv[0].endsWith("node.exe") ||
-  argv[0].endsWith("bun") ||
-  argv[0].endsWith("bun.exe")
-) {
-  argv.shift();
-}
-
-// Remove script / binary path
-if (
-  argv[0]?.endsWith(".js") ||
-  argv[0]?.endsWith(".exe") ||
-  argv[0] === "zsc"
-) {
-  argv.shift();
-}
-
+const argv = Bun.argv.slice(2);
 const command = argv[0];
 const args = argv.slice(1);
 
@@ -67,18 +40,28 @@ Usage:
   zsc build <entry.zs>
   zsc run   <entry.zs> [-- args...]
 
+Package commands:
+  zsc add <pkg>
+  zsc install
+  zsc remove <pkg>
+  zsc update
+
 Options:
   -h, --help        Show this help
   -v, --version     Show compiler version
 
-Commands:
-  build   Compile project into ./bin/js
-  run     Compile project into ./.zsc-cache and run it
+Bun proxy:
+  zsc bun <args...>   Run Bun directly (full Bun CLI)
+
 
 Examples:
   zsc build main.zs
-  zsc run main.zs
-  zsc run src/main.zs -- hello 123
+  zsc run main.zs -- hello 123
+  zsc add antlr4
+  zsc bun --help
+  zsc bun install
+  zsc bun run index.js
+  zsc bun add antlr4
 `.trim());
 }
 
@@ -100,6 +83,45 @@ if (command === "-v" || command === "--version") {
   process.exit(0);
 }
 
+/* =========================
+   BUN PACKAGE COMMAND PROXY
+========================= */
+
+const BUN_COMMANDS = new Set([
+  "add",
+  "install",
+  "remove",
+  "update",
+]);
+
+if (BUN_COMMANDS.has(command)) {
+  const result = spawnSync(
+    "bun",
+    [command, ...args],
+    { stdio: "inherit" }
+  );
+  process.exit(result.status ?? 0);
+}
+
+/* =========================
+   BUN FULL PROXY
+========================= */
+
+if (command === "bun") {
+  const result = spawnSync(
+    "bun",
+    args, // forward EVERYTHING after `bun`
+    { stdio: "inherit" }
+  );
+  process.exit(result.status ?? 0);
+}
+
+
+
+/* =========================
+   VALIDATE COMMAND
+========================= */
+
 if (command !== "build" && command !== "run") {
   console.error(`error: unknown command '${command}'`);
   printHelp();