Initial

compile.js

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+"use strict";
+const fs = require("fs");
+const path = require("path");
+
+// Patch fetch before loading the module so the WASM loader never reaches it
+const wasmPath = path.join(
+  path.dirname(require.resolve("@pybricks/mpy-cross-v6/build/mpy-cross-v6.js")),
+  "mpy-cross-v6.wasm",
+);
+const wasmBinary = fs.readFileSync(wasmPath);
+
+// Monkey-patch the Emscripten module to inject wasmBinary
+const originalMpyCross = require("@pybricks/mpy-cross-v6/build/mpy-cross-v6");
+const MpyCross = (opts) => originalMpyCross({ ...opts, wasmBinary });
+
+function compile(fileName, fileContents, options) {
+  return new Promise(function (resolve, reject) {
+    try {
+      const args = [...(options || []), fileName];
+      MpyCross({
+        arguments: ["-o", "main.mpy", "__main__.py"],
+        inputFileContents: fileContents,
+        callback: function (status, mpy, out, err) {
+          resolve({ status, mpy, out, err });
+        },
+      });
+    } catch (err) {
+      reject(err);
+    }
+  });
+}
+
+const myCode = `
+from pybricks.hubs import PrimeHub
+from pybricks.parameters import Color
+hub = PrimeHub()
+hub.light.on(Color.GREEN)
+`;
+
+compile("main.py", myCode, []).then((result) => {
+  if (result.status === 0) {
+    fs.writeFileSync("main.mpy", result.mpy);
+    console.log("Success! Written to main.mpy");
+  } else {
+    console.error("Compiler error:", result.err);
+  }
+});