feat(dashboard,admin-vite-plugin,admin-bundler,admin-sdk): Rework admin extensions and introduce custom fields API (#9338)

packages/admin/admin-vite-plugin/src/virtual-modules/generate-virtual-form-module.ts

@@ -0,0 +1,29 @@
+import outdent from "outdent"
+import { generateCustomFieldForms } from "../custom-fields"
+import { generateMenuItems } from "../routes"
+import { generateModule } from "../utils"
+import { generateWidgets } from "../widgets"
+
+export async function generateVirtualFormModule(sources: Set<string>) {
+  const menuItems = await generateMenuItems(sources)
+  const widgets = await generateWidgets(sources)
+  const customFields = await generateCustomFieldForms(sources)
+
+  const imports = [
+    ...menuItems.imports,
+    ...widgets.imports,
+    ...customFields.imports,
+  ]
+
+  const code = outdent`
+          ${imports.join("\n")}
+
+          export default {
+            ${menuItems.code},
+            ${widgets.code},
+            ${customFields.code},
+          }
+        `
+
+  return generateModule(code)
+}