Add -runtime-path handling to bsc.js

Author: cknitt

cli/bsc.js

@@ -5,8 +5,12 @@
 import { execFileSync } from "node:child_process";
 
 import { bsc_exe } from "./common/bins.js";
+import { runtimePath } from "./common/runtime.js";
 
 const delegate_args = process.argv.slice(2);
+if (!delegate_args.includes("-runtime-path")) {
+  delegate_args.push("-runtime-path", runtimePath);
+}
 
 try {
   execFileSync(bsc_exe, delegate_args, { stdio: "inherit" });

cli/common/runtime.js

@@ -0,0 +1,9 @@
+// @ts-check
+import { createRequire } from "node:module";
+import * as path from "node:path";
+
+const require = createRequire(import.meta.url);
+
+const runtimePackageJson = require.resolve("@rescript/runtime/package.json");
+
+export const runtimePath = path.dirname(runtimePackageJson);