fix(create-cli): preserve write type on repeated writes

Author: hanna-skryl

packages/create-cli/src/lib/setup/virtual-fs.ts

@@ -37,8 +37,13 @@ export function createTree(
     },
 
     write: async (filePath: string, content: string): Promise<void> => {
-      const type = (await fs.exists(resolve(filePath))) ? 'UPDATE' : 'CREATE';
-      pending.set(filePath, { content, type });
+      const entry = pending.get(filePath);
+      if (entry) {
+        pending.set(filePath, { ...entry, content });
+      } else {
+        const type = (await fs.exists(resolve(filePath))) ? 'UPDATE' : 'CREATE';
+        pending.set(filePath, { content, type });
+      }
     },
 
     listChanges: (): FileChange[] =>

packages/create-cli/src/lib/setup/virtual-fs.unit.test.ts

@@ -96,6 +96,16 @@ describe('createTree', () => {
       ]);
     });
 
+    it('should preserve CREATE type when writing to the same path twice', async () => {
+      const tree = createTree('/project', createMockFs());
+      await tree.write('new.ts', 'first');
+      await tree.write('new.ts', 'second');
+
+      expect(tree.listChanges()).toStrictEqual([
+        { path: 'new.ts', type: 'CREATE', content: 'second' },
+      ]);
+    });
+
     it('should mark existing files as UPDATE', async () => {
       const tree = createTree(
         '/project',