esm: fix esm load bug

ZYSzys · targos · commit 89fda94b6a3d · 2019-05-14T17:33:09.000+02:00
Fixes: #25482 PR-URL: #25491 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
diff --git a/lib/internal/modules/cjs/loader.js b/lib/internal/modules/cjs/loader.js
@@ -648,9 +648,11 @@ Module.prototype.load = function(filename) {
     // Create module entry at load time to snapshot exports correctly
     const exports = this.exports;
     if (module !== undefined) { // Called from cjs translator
-      module.reflect.onReady((reflect) => {
-        reflect.exports.default.set(exports);
-      });
+      if (module.reflect) {
+        module.reflect.onReady((reflect) => {
+          reflect.exports.default.set(exports);
+        });
+      }
     } else { // preemptively cache
       ESMLoader.moduleMap.set(
         url,
