Add support for angular meta framework

packages/@apphosting/adapter-angular/src/bin/build.ts

@@ -4,6 +4,7 @@
   checkBuildConditions,
   validateOutputDirectory,
   parseOutputBundleOptions,
+  outputBundleExists
 } from "../utils.js";
 import { getBuildOptions, runBuild } from "@apphosting/common";
 
@@ -21,8 +22,10 @@
 if (!output) {
   throw new Error("No output from Angular build command, expecting a build manifest file.");
 }
-const outputBundleOptions = parseOutputBundleOptions(output);
-const root = process.cwd();
-await generateBuildOutput(root, outputBundleOptions, process.env.FRAMEWORK_VERSION);
-
-await validateOutputDirectory(outputBundleOptions);
+if (!outputBundleExists()){
+  const outputBundleOptions = parseOutputBundleOptions(output);
+  const root = process.cwd();
+  await generateBuildOutput(root, outputBundleOptions, process.env.FRAMEWORK_VERSION);
+
+  await validateOutputDirectory(outputBundleOptions);
+}

packages/@apphosting/adapter-angular/src/utils.ts

@@ -24,7 +24,10 @@
 const __dirname = dirname(__filename);
 const SIMPLE_SERVER_FILE_PATH = join(__dirname, "simple-server", "bundled_server.mjs");
 
-export const REQUIRED_BUILDER = "@angular-devkit/build-angular:application";
+export const ALLOWED_BUILDERS = [
+  "@angular-devkit/build-angular:application",
+  "@analogjs/platform:vite"
+];
 
 /**
  * Check if the following build conditions are satisfied for the workspace:
@@ -38,10 +41,10 @@
     const output = execSync(`npx nx show project ${opts.projectName}`);
     const projectJson = JSON.parse(output.toString());
     const builder = projectJson.targets.build.executor;
-    if (builder !== REQUIRED_BUILDER) {
+    if (!ALLOWED_BUILDERS.includes(builder)) {
       throw new Error(
-        "Only the Angular application builder is supported. Please refer to https://angular.dev/tools/cli/build-system-migration#for-existing-applications guide to upgrade your builder to the Angular application builder. ",
-      );
+        `Currently, only the following builders are supported: ${ALLOWED_BUILDERS.join(',')}.`,
+      )
     }
     return;
   }
@@ -75,9 +78,9 @@
   if (!workspaceProject.targets.has(target)) throw new Error("Could not find build target.");
 
   const { builder } = workspaceProject.targets.get(target)!;
-  if (builder !== REQUIRED_BUILDER) {
+  if (!ALLOWED_BUILDERS.includes(builder)) {
     throw new Error(
-      "Only the Angular application builder is supported. Please refer to https://angular.dev/tools/cli/build-system-migration#for-existing-applications guide to upgrade your builder to the Angular application builder. ",
+      `Currently, only the following builders are supported: ${ALLOWED_BUILDERS.join(',')}.`,
     );
   }
 }
@@ -226,3 +229,11 @@
   if (!process.argv[1]) return false;
   return process.argv[1] === fileURLToPath(meta.url);
 };
+
+export const outputBundleExists  = () => {
+  const outputBundleDir = resolve(".apphosting");
+  if (existsSync(outputBundleDir)){
+    return true;
+  }
+  return false;
+}