Metamodule implementation

tshemsedinov · tshemsedinov · commit 101fd64dd1d5 · 2022-09-23T16:19:57.000+03:00
diff --git a/JavaScript/g-metamodule.js b/JavaScript/g-metamodule.js
@@ -0,0 +1,23 @@
+'use strict';
+
+const fs = require('node:fs').promises;
+const vm = require('node:vm');
+
+const RUN_OPTIONS = { timeout: 5000, displayErrors: false };
+
+const load = async (filePath, sandbox) => {
+  const src = await fs.readFile(filePath, 'utf8');
+  const code = `'use strict';\n${src}`;
+  const script = new vm.Script(code);
+  const context = vm.createContext(Object.freeze({ ...sandbox }));
+  const exports = script.runInContext(context, RUN_OPTIONS);
+  return exports;
+};
+
+const main = async () => {
+  const sandbox = { Map: class PseudoMap {} };
+  const exported = await load('./h-example.mm', sandbox);
+  console.log(exported);
+};
+
+main();
diff --git a/JavaScript/h-example.mm b/JavaScript/h-example.mm
@@ -0,0 +1,11 @@
+({
+  doSomething(a, b) {
+    console.log({ a, b });
+  },
+
+  async doSomethingElse(name) {
+    console.log({ name });
+  },
+
+  collection: new Map(),
+});
