diff --git a/npm/ng-packs/packages/schematics/src/utils/file.ts b/npm/ng-packs/packages/schematics/src/utils/file.ts
new file mode 100644
index 0000000000..cbfa9afcd2
--- /dev/null
+++ b/npm/ng-packs/packages/schematics/src/utils/file.ts
@@ -0,0 +1,8 @@
+import { Tree } from '@angular-devkit/schematics';
+
+export function createFileSaver(tree: Tree) {
+  return (filePath: string, fileContent: string) =>
+    tree.exists(filePath)
+      ? tree.overwrite(filePath, fileContent)
+      : tree.create(filePath, fileContent);
+}
diff --git a/npm/ng-packs/packages/schematics/src/utils/index.ts b/npm/ng-packs/packages/schematics/src/utils/index.ts
index 304c2294b0..ea6bbad964 100644
--- a/npm/ng-packs/packages/schematics/src/utils/index.ts
+++ b/npm/ng-packs/packages/schematics/src/utils/index.ts
@@ -3,6 +3,7 @@ export * from './api';
 export * from './ast';
 export * from './common';
 export * from './enum';
+export * from './file';
 export * from './import';
 export * from './model';
 export * from './namespace';