diff --git a/packages/compat/src/default-pipeline.ts b/packages/compat/src/default-pipeline.ts
index 13b28d225..e8374a7f8 100644
--- a/packages/compat/src/default-pipeline.ts
+++ b/packages/compat/src/default-pipeline.ts
@@ -1,4 +1,5 @@
-import type { Options } from '.';
+import type Options from './options';
+import { recommendedOptions } from './options';
 import { App, Addons as CompatAddons } from '.';
 import type { PackagerConstructor, Variant, EmberAppInstance } from '@embroider/core';
 import { toBroccoliPlugin } from '@embroider/core';
@@ -12,7 +13,6 @@ import { sync as pkgUpSync } from 'pkg-up';
 
 export interface PipelineOptions<PackagerOptions> extends Options {
   packagerOptions?: PackagerOptions;
-  onOutputPath?: (outputPath: string) => void;
   variants?: Variant[];
 }
 
@@ -51,6 +51,31 @@ export default function defaultPipeline<PackagerOptions>(
   return new BroccoliPackager(embroiderApp.asStage(addons), variants, options && options.packagerOptions);
 }
 
+const defaultPrebuildOptions = {
+  ...recommendedOptions.optimized,
+  amdCompatibility: {
+    es: [],
+  },
+};
+
+export function prebuild(emberApp: EmberAppInstance, options: Options = defaultPrebuildOptions): Node {
+  let outputPath: string;
+  let addons;
+
+  let embroiderApp = new App(emberApp, options);
+
+  addons = new CompatAddons(embroiderApp);
+  addons.ready().then(result => {
+    outputPath = result.outputPath;
+  });
+
+  if (process.env.STAGE1_ONLY) {
+    return mergeTrees([addons.tree, writeFile('.stage1-output', () => outputPath)]);
+  }
+
+  return mergeTrees([embroiderApp.asStage(addons).tree, writeFile('.stage2-output', () => outputPath)]);
+}
+
 function hasFastboot(emberApp: EmberAppInstance | EmberAppInstance) {
   return emberApp.project.addons.find(a => a.name === 'ember-cli-fastboot');
 }
diff --git a/packages/compat/src/index.ts b/packages/compat/src/index.ts
index 3383f6f93..313e45051 100644
--- a/packages/compat/src/index.ts
+++ b/packages/compat/src/index.ts
@@ -2,5 +2,5 @@ export { default as App } from './compat-app';
 export { default as Addons } from './compat-addons';
 export { default as Options, recommendedOptions } from './options';
 export { default as V1Addon } from './v1-addon';
-export { default as compatBuild, PipelineOptions } from './default-pipeline';
+export { default as compatBuild, prebuild, PipelineOptions } from './default-pipeline';
 export { PackageRules, ModuleRules } from './dependency-rules';
diff --git a/tests/vite-app/ember-cli-build.js b/tests/vite-app/ember-cli-build.js
index 53524b0d4..9b9de5318 100644
--- a/tests/vite-app/ember-cli-build.js
+++ b/tests/vite-app/ember-cli-build.js
@@ -1,22 +1,12 @@
 'use strict';
 
 const EmberApp = require('ember-cli/lib/broccoli/ember-app');
-const { compatBuild } = require('@embroider/compat');
+const { prebuild } = require('@embroider/compat');
 
 module.exports = function (defaults) {
   const app = new EmberApp(defaults, {
     // Add options here
   });
 
-  return compatBuild(app, undefined, {
-    staticAddonTrees: true,
-    staticAddonTestSupportTrees: true,
-    staticComponents: true,
-    staticHelpers: true,
-    staticModifiers: true,
-    staticEmberSource: true,
-    amdCompatibility: {
-      es: [],
-    },
-  });
+  return prebuild(app);
 };