vm: add support for import.meta to Module

Fixes: https://github.com/nodejs/node/issues/18570

PR-URL: https://github.com/nodejs/node/pull/19277
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/test/parallel/test-vm-module-import-meta.js b/test/parallel/test-vm-module-import-meta.js
new file mode 100644
index 0000000000..835ef5b6eb
--- /dev/null
+++ b/test/parallel/test-vm-module-import-meta.js
@@ -0,0 +1,45 @@
+'use strict';
+
+// Flags: --experimental-vm-modules --harmony-import-meta
+
+const common = require('../common');
+const assert = require('assert');
+const { Module } = require('vm');
+
+common.crashOnUnhandledRejection();
+
+async function testBasic() {
+  const m = new Module('import.meta;', {
+    initializeImportMeta: common.mustCall((meta, module) => {
+      assert.strictEqual(module, m);
+      meta.prop = 42;
+    })
+  });
+  await m.link(common.mustNotCall());
+  m.instantiate();
+  const { result } = await m.evaluate();
+  assert.strictEqual(typeof result, 'object');
+  assert.strictEqual(Object.getPrototypeOf(result), null);
+  assert.strictEqual(result.prop, 42);
+  assert.deepStrictEqual(Reflect.ownKeys(result), ['prop']);
+}
+
+async function testInvalid() {
+  for (const invalidValue of [
+    null, {}, 0, Symbol.iterator, [], 'string', false
+  ]) {
+    common.expectsError(() => {
+      new Module('', {
+        initializeImportMeta: invalidValue
+      });
+    }, {
+      code: 'ERR_INVALID_ARG_TYPE',
+      type: TypeError
+    });
+  }
+}
+
+(async () => {
+  await testBasic();
+  await testInvalid();
+})();