Try catch potential errors when parsing angular build output manifest. (#415)

* Try catch potential errors when parsing angular build output manifest.

* lint

Author: annajowang

packages/@apphosting/adapter-angular/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@apphosting/adapter-angular",
-  "version": "17.2.16",
+  "version": "17.2.17",
   "main": "dist/index.js",
   "description": "Experimental addon to the Firebase CLI to add web framework support",
   "repository": {

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

@@ -148,7 +148,12 @@ export function populateOutputBundleOptions(outputPaths: OutputPaths): OutputBun
 export function parseOutputBundleOptions(buildOutput: string): OutputBundleOptions {
   const strippedManifest = extractManifestOutput(buildOutput);
   // TODO: add functional tests that test this flow
-  const parsedManifest = JSON.parse(strippedManifest.replace(/[\r\n]+/g, "")) as string;
+  let parsedManifest;
+  try {
+    parsedManifest = JSON.parse(strippedManifest.replace(/[\r\n]+/g, "")) as string;
+  } catch (error) {
+    throw new Error(`Failed to parse build output manifest: ${error}`);
+  }
   const manifest = buildManifestSchema.parse(parsedManifest);
   if (manifest["errors"].length > 0) {
     // errors when extracting manifest