feat(vite-plugin-angular): expose esbuild entry point (#910)

packages/vite-plugin-angular/esbuild.ts

@@ -0,0 +1,30 @@
+import analog from '@analogjs/vite-plugin-angular';
+import type * as esbuild from 'esbuild';
+
+export const analogSFC: () => esbuild.Plugin = () => ({
+  name: 'analog-sfc-esbuild-plugin',
+  async setup(build) {
+    const analogPlugins: any = analog({
+      experimental: { supportAnalogFormat: true },
+    });
+
+    const analogPlugin = analogPlugins[0];
+    await analogPlugin.config({ root: '.' }, { command: 'build' });
+    await analogPlugin.buildStart?.({
+      plugins: [
+        {
+          name: 'vite:css',
+          transform(code: string) {
+            return { code };
+          },
+        },
+      ],
+    });
+
+    build.onLoad({ filter: /.analog$/ }, async (args) => {
+      await analogPlugin.handleHotUpdate?.({ file: args.path, modules: [] });
+      const result = await analogPlugin.transform?.('', args.path);
+      return { loader: 'js', contents: result?.code };
+    });
+  },
+});

packages/vite-plugin-angular/project.json

@@ -15,7 +15,12 @@
           "packages/vite-plugin-angular/*.md",
           "packages/vite-plugin-angular/migrations/migration.json"
         ],
-        "updateBuildableProjectDepsInPackageJson": false
+        "updateBuildableProjectDepsInPackageJson": false,
+        "additionalEntryPoints": [
+          "packages/vite-plugin-angular/esbuild.ts",
+          "packages/vite-plugin-angular/setup-vitest.ts"
+        ],
+        "generateExportsField": true
       }
     },
     "test": {