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

hanna-skryl · hanna-skryl · commit d1e2e067ad46 · 2026-03-31T08:16:52.000-04:00
diff --git a/packages/create-cli/src/lib/setup/virtual-fs.ts b/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[] =>
diff --git a/packages/create-cli/src/lib/setup/virtual-fs.unit.test.ts b/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',

-Original file line number
+Diff line change
 },
 write: async(filePath: string,content: string): Promise<void>=>{
 -consttype=(awaitfs.exists(resolve(filePath))) ? 'UPDATE' : 'CREATE';
 -pending.set(filePath,{ content, type });
 +constentry=pending.get(filePath);
 +if(entry){
 +pending.set(filePath,{ ...entry, content });
 +}else{
 +consttype=(awaitfs.exists(resolve(filePath))) ? 'UPDATE' : 'CREATE';
 +pending.set(filePath,{ content, type });
 +}
 },
 listChanges: (): FileChange[]=>
-Original file line number
+Diff line change
 ]);
 });
 +it('should preserve CREATE type when writing to the same path twice',async()=>{
 +consttree=createTree('/project',createMockFs());
 +awaittree.write('new.ts','first');
 +awaittree.write('new.ts','second');
++
 +expect(tree.listChanges()).toStrictEqual([
 +{path: 'new.ts',type: 'CREATE',content: 'second'},
 +]);
 +});
++
 it('should mark existing files as UPDATE',async()=>{
 consttree=createTree(
 '/project',