vm: add Synthetic modules

- Refactor vm.SourceTextModule (again)
- Add vm.Module abstract superclass
- Add vm.SyntheticModule

Refs: https://heycam.github.io/webidl/#synthetic-module-records

PR-URL: https://github.com/nodejs/node/pull/29864
Reviewed-By: Guy Bedford <guybedford@gmail.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/lib/vm.js b/lib/vm.js
index 90f332c775..8d44a92c80 100644
--- a/lib/vm.js
+++ b/lib/vm.js
@@ -99,7 +99,7 @@ class Script extends ContextifyScript {
                                        importModuleDynamically);
       }
       const { importModuleDynamicallyWrap } =
-        require('internal/vm/source_text_module');
+        require('internal/vm/module');
       const { callbackMap } = internalBinding('module_wrap');
       callbackMap.set(this, {
         importModuleDynamically:
@@ -409,6 +409,10 @@ module.exports = {
 };
 
 if (require('internal/options').getOptionValue('--experimental-vm-modules')) {
-  const { SourceTextModule } = require('internal/vm/source_text_module');
+  const {
+    Module, SourceTextModule, SyntheticModule,
+  } = require('internal/vm/module');
+  module.exports.Module = Module;
   module.exports.SourceTextModule = SourceTextModule;
+  module.exports.SyntheticModule = SyntheticModule;
 }