Fix Angular SSR deployment on Windows

src/frameworks/angular/utils.ts

@@ -5,12 +5,12 @@
 import { AngularI18nConfig } from "./interfaces";
 import { relativeRequire, validateLocales } from "../utils";
 import { FirebaseError } from "../../error";
-import { join } from "path";
+import { join, posix, sep } from "path";
 import { BUILD_TARGET_PURPOSE } from "../interfaces";
 import { AssertionError } from "assert";
 import { assertIsString } from "../../utils";
 
 async function localesForTarget(
   dir: string,
   architectHost: WorkspaceNodeModulesArchitectHost,
   target: Target,
@@ -26,7 +26,7 @@
   let locales: string[] | undefined = undefined;
   let defaultLocale: string | undefined = undefined;
   if (targetOptions.localize) {
     const i18n: AngularI18nConfig | undefined = workspaceProject.extensions?.i18n as any;
     if (!i18n) throw new FirebaseError(`No i18n config on project.`);
     if (typeof i18n.sourceLocale === "string") {
       throw new FirebaseError(`All your i18n locales must have a baseHref of "" on Firebase, use an object for sourceLocale in your angular.json:
@@ -48,7 +48,7 @@
       for (const [locale, { baseHref }] of Object.entries(i18n.locales)) {
         if (baseHref !== "")
           throw new FirebaseError(
             `All your i18n locales must have a baseHref of \"\" on Firebase, errored on ${locale}.`
           );
         locales.push(locale);
       }
@@ -91,7 +91,7 @@
   ];
 }
 
 export async function getAllTargets(purpose: BUILD_TARGET_PURPOSE, dir: string) {
   const validBuilders = getValidBuilders(purpose);
   const { NodeJsAsyncHost } = relativeRequire(dir, "@angular-devkit/core/node");
   const { workspaces } = relativeRequire(dir, "@angular-devkit/core");
@@ -117,7 +117,7 @@
 }
 
 // TODO(jamesdaniels) memoize, dry up
 export async function getContext(dir: string, targetOrConfiguration?: string) {
   const { NodeJsAsyncHost } = relativeRequire(dir, "@angular-devkit/core/node");
   const { workspaces } = relativeRequire(dir, "@angular-devkit/core");
   const { WorkspaceNodeModulesArchitectHost } = relativeRequire(
@@ -157,7 +157,7 @@
   }
 
   if (!project) {
     const angularJson = parse(await host.readFile(join(dir, "angular.json")));
     project = angularJson.defaultProject;
   }
 
@@ -420,7 +420,9 @@
   }
   const browserTargetOptions = await architectHost.getOptionsForTarget(buildOrBrowserTarget);
   assertIsString(browserTargetOptions?.outputPath);
-  const browserOutputPath = join(browserTargetOptions.outputPath, buildTarget ? "browser" : "");
+  const browserOutputPath = join(browserTargetOptions.outputPath, buildTarget ? "browser" : "")
+    .split(sep)
+    .join(posix.sep);
   const packageJson = JSON.parse(await host.readFile(join(sourceDir, "package.json")));
 
   if (!ssr) {
@@ -449,7 +451,9 @@
   );
   const serverTargetOptions = await architectHost.getOptionsForTarget(buildOrServerTarget);
   assertIsString(serverTargetOptions?.outputPath);
-  const serverOutputPath = join(serverTargetOptions.outputPath, buildTarget ? "server" : "");
+  const serverOutputPath = join(serverTargetOptions.outputPath, buildTarget ? "server" : "")
+    .split(sep)
+    .join(posix.sep);
   if (serverLocales && !defaultLocale) {
     throw new FirebaseError(
       "It's required that your source locale to be one of the localize options"