filter out appImports from AMD

packages/ember-auto-import/ts/auto-import.ts

@@ -25,6 +25,7 @@ import semver from 'semver';
 import type { TransformOptions } from '@babel/core';
 import { MARKER } from './analyzer-syntax';
 import path from 'path';
+import funnel from 'broccoli-funnel';
 
 const debugTree = buildDebugCallback('ember-auto-import');
 
@@ -66,6 +67,9 @@ export default class AutoImport implements AutoImportSharedAPI {
     let topmostAddon = findTopmostAddon(addonInstance);
     this.packages.add(Package.lookupParentOf(topmostAddon));
     let host = topmostAddon.app;
+
+    this.installAppFilter(host);
+
     this.env = host.env;
     this.bundles = new BundleConfig(host.options.outputPaths);
     if (!this.env) {
@@ -75,6 +79,20 @@ export default class AutoImport implements AutoImportSharedAPI {
     this.consoleWrite = (...args) => addonInstance.project.ui.write(...args);
   }
 
+  installAppFilter(_host: AppInstance) {
+    // TODO upstream this type change to @embroider/shared-internals
+    let host: AppInstance & {
+      trees: {
+        app: Node;
+      };
+    } = _host as any;
+    if (this.rootPackage.allowAppImports.length) {
+      host.trees.app = funnel(host.trees.app, {
+        exclude: this.rootPackage.allowAppImports,
+      });
+    }
+  }
+
   // we don't actually call this ourselves anymore, but earlier versions of
   // ember-auto-import will still call it on us. For them the answer is always
   // false.

packages/ember-auto-import/ts/package.ts

@@ -36,6 +36,7 @@ export interface Options {
   forbidEval?: boolean;
   skipBabel?: { package: string; semverRange?: string }[];
   watchDependencies?: (string | string[])[];
+  allowAppImports?: string[];
   insertScriptsAt?: string;
   insertStylesAt?: string;
 }
@@ -481,6 +482,15 @@ export default class Package {
     }
   }
 
+  get allowAppImports(): string[] {
+    // only apps (not addons) are allowed to set this
+    if (!this.isAddon) {
+      return this.autoImportOptions?.allowAppImports ?? [];
+    }
+
+    return [];
+  }
+
   cleanBabelConfig(): TransformOptions {
     if (this.isAddon) {
       throw new Error(`Only the app can generate auto-import's babel config`);