Record a list of accessed symbols about pyodide-pack HOT 2 CLOSED

let gottenSyms = new Set();
function wrapSym(symName, sym) {
  if (!sym) {
    return sym;
  }
  return new Proxy(sym, {
    get(sym, attr) {
      if (attr === "stub") {
        gottenSyms.add(symName);
      }
      return Reflect.get(sym, attr);
    },
  });
}

function wrapExports(exports) {
  if (typeof exports !== "object") {
    return exports;
  }
  return new Proxy(exports, {
    get(exports, symName) {
      const sym = Reflect.get(exports, symName);
      if (gottenSyms.has(symName)) {
        return sym;
      }
      return wrapSym(symName, sym);
    },
  });
}

function wrapLib(lib) {
  return new Proxy(lib, {
    get(lib, sym) {
      return wrapExports(Reflect.get(lib, sym));
    },
  });
}
origLoadedlibs = pyodide._module.LDSO.loadedLibsByName;
pyodide._module.LDSO.loadedLibsByName = new Proxy(origLoadedlibs, {
  set(libsByName, libName, lib) {
    return Reflect.set(libsByName, libName, wrapLib(lib));
  },
});