implement broccoli builder for compatPrebuild

packages/compat/src/default-pipeline.ts

@@ -35,3 +35,11 @@ export function prebuild(emberApp: EmberAppInstance, options?: Options): Node {
 
   return mergeTrees([embroiderApp.asStage(addons).tree, writeFile('.stage2-output', () => outputPath)]);
 }
+
+export function compatBuild(emberApp: EmberAppInstance, Builder: any, options?: Options): Node {
+  if (process.env.EMBROIDER_PREBUILD) {
+    return prebuild(emberApp, options);
+  }
+
+  return new Builder([]);
+}

packages/compat/src/index.ts

@@ -2,6 +2,6 @@ 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 { prebuild, PipelineOptions } from './default-pipeline';
+export { prebuild, compatBuild, PipelineOptions } from './default-pipeline';
 export { PackageRules, ModuleRules } from './dependency-rules';
 export type { Options as ResolverTransformOptions } from './resolver-transform';

packages/vite/index.ts

@@ -9,3 +9,4 @@ export * from './src/assets.js';
 export * from './src/content-for.js';
 export * from './src/classic-ember-support.js';
 export * from './src/ember.js';
+export * from './src/broccoli-builder.js';

packages/vite/package.json

@@ -21,6 +21,7 @@
     "@embroider/reverse-exports": "workspace:*",
     "@rollup/pluginutils": "^5.1.0",
     "assert-never": "^1.2.1",
+    "broccoli-plugin": "^4.0.7",
     "browserslist": "*",
     "browserslist-to-esbuild": "^2.1.1",
     "content-tag": "^2.0.2",

packages/vite/src/broccoli-builder.ts

@@ -0,0 +1,16 @@
+import Plugin from 'broccoli-plugin';
+import { spawn } from 'child_process';
+
+export class Builder extends Plugin {
+  build(): Promise<void> {
+    return new Promise((resolve, reject) => {
+      const child = spawn(`npx vite build --outDir ${this.outputPath}`, {
+        cwd: process.cwd(),
+        shell: true,
+        stdio: 'inherit',
+        env: { ...process.env, FORCE_BUILD_TESTS: 'true' },
+      });
+      child.on('exit', code => (code === 0 ? resolve() : reject(new Error('vite build failed'))));
+    });
+  }
+}

tests/app-template/ember-cli-build.js

@@ -1,10 +1,11 @@
 'use strict';
 
 const EmberApp = require('ember-cli/lib/broccoli/ember-app');
-const { maybeEmbroider } = require('@embroider/test-setup');
+const { compatBuild } = require('@embroider/compat');
 
-module.exports = function (defaults) {
+module.exports = async function (defaults) {
+  const { Builder } = await import('@embroider/vite');
   let app = new EmberApp(defaults, {});
 
-  return maybeEmbroider(app);
+  return compatBuild(app, Builder);
 };