Well, that's goofy

Author: NullVoxPopuli

package.json

@@ -332,10 +332,8 @@
       "@ember/utils/lib/is_present.js": "ember-source/@ember/utils/lib/is_present.js",
       "@ember/utils/lib/type-of.js": "ember-source/@ember/utils/lib/type-of.js",
       "@ember/version/index.js": "ember-source/@ember/version/index.js",
-      "@glimmer/debug/index.js": "ember-source/@glimmer/debug/index.js",
       "@glimmer/destroyable/index.js": "ember-source/@glimmer/destroyable/index.js",
       "@glimmer/encoder/index.js": "ember-source/@glimmer/encoder/index.js",
-      "@glimmer/env/index.js": "ember-source/@glimmer/env/index.js",
       "@glimmer/global-context/index.js": "ember-source/@glimmer/global-context/index.js",
       "@glimmer/manager/index.js": "ember-source/@glimmer/manager/index.js",
       "@glimmer/node/index.js": "ember-source/@glimmer/node/index.js",
@@ -344,6 +342,8 @@
       "@glimmer/program/index.js": "ember-source/@glimmer/program/index.js",
       "@glimmer/reference/index.js": "ember-source/@glimmer/reference/index.js",
       "@glimmer/runtime/index.js": "ember-source/@glimmer/runtime/index.js",
+      "@glimmer/tracking/dist/index.js": "ember-source/@glimmer/tracking/dist/index.js",
+      "@glimmer/tracking/dist/primitives/cache.js": "ember-source/@glimmer/tracking/dist/primitives/cache.js",
       "@glimmer/tracking/index.js": "ember-source/@glimmer/tracking/index.js",
       "@glimmer/tracking/primitives/cache.js": "ember-source/@glimmer/tracking/primitives/cache.js",
       "@glimmer/util/index.js": "ember-source/@glimmer/util/index.js",
@@ -400,4 +400,4 @@
     "node": "16.20.0",
     "pnpm": "8.10.0"
   }
-}
+}

rollup.config.mjs

@@ -345,7 +345,12 @@ export function resolvePackages(deps, isExternal) {
       if (pkgName) {
         // having a pkgName means this is not a relative import
 
-        if (pkgName === '@embroider/macros') {
+        // these packages are macros, handled by babel / transpilation
+        if (
+          pkgName === '@embroider/macros' ||
+          pkgName === '@glimmer/debug' ||
+          pkgName === '@glimmer/env'
+        ) {
           return { external: true, id: pkgName };
         }
 
@@ -392,7 +397,7 @@ export function externalizePackages(deps) {
       if (pkgName) {
         // having a pkgName means this is not a relative import
 
-        if (deps[source]) {
+        if (deps[source] || source === '@glimmer/env') {
           return { external: true, id: source };
         }