From a792d85ffde3c21c3fbf64ac9404ab0afe5ff957 Mon Sep 17 00:00:00 2001
From: Rob Hogan <robhogan@meta.com>
Date: Thu, 19 Sep 2024 12:26:25 -0700
Subject: [PATCH] metro-memory-fs: Support rmSync 'force'

Summary:
The `force` option of `rmSync` should prevent it throwing on non-existent directories.

https://nodejs.org/docs/latest-v18.x/api/fs.html#fsrmsyncpath-options

```
 - **[Fix]**: `metro-memory-fs`: Respect `force` in `rmSync`
```

Reviewed By: vzaidman

Differential Revision: D63030996

fbshipit-source-id: e08e2b98650c8b460ac03fdcb27f874cbed826b6
---
 .../metro-memory-fs/src/__tests__/index-test.js     | 13 +++++++++++++
 packages/metro-memory-fs/src/index.js               | 10 ++++++----
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/packages/metro-memory-fs/src/__tests__/index-test.js b/packages/metro-memory-fs/src/__tests__/index-test.js
index 5c2008afe8..48c0dd0f66 100644
--- a/packages/metro-memory-fs/src/__tests__/index-test.js
+++ b/packages/metro-memory-fs/src/__tests__/index-test.js
@@ -771,6 +771,19 @@ describe('posix support', () => {
       fs.rmSync('/foo', {recursive: true});
       expect(fs.readdirSync('/')).toEqual([]);
     });
+
+    it.each([false, undefined])(
+      'throws on non-existent path (force: %s)',
+      force => {
+        expect(() =>
+          fs.rmSync('/notexists', force != null ? {force} : {}),
+        ).toThrow('ENOENT');
+      },
+    );
+
+    it('succeeds non-existent path (force: true)', () => {
+      fs.rmSync('/notexists', {force: true});
+    });
   });
 
   describe('readlink', () => {
diff --git a/packages/metro-memory-fs/src/index.js b/packages/metro-memory-fs/src/index.js
index ed50c90b1f..348e27ebea 100644
--- a/packages/metro-memory-fs/src/index.js
+++ b/packages/metro-memory-fs/src/index.js
@@ -927,16 +927,18 @@ class MemoryFs {
     });
   };
 
-  rmSync: (filePath: FilePath, options?: {recursive?: boolean}) => void = (
+  rmSync: (
     filePath: FilePath,
-    options,
-  ) => {
+    options?: {recursive?: boolean, force?: boolean},
+  ) => void = (filePath: FilePath, options) => {
     filePath = pathStr(filePath);
     const {dirNode, node, basename} = this._resolve(filePath, {
       keepFinalSymlink: true,
     });
     if (node == null) {
-      throw makeError('ENOENT', filePath, 'no such file or directory');
+      if (options?.force !== true) {
+        throw makeError('ENOENT', filePath, 'no such file or directory');
+      }
     } else if (node.type === 'directory') {
       if (options && options.recursive) {
         // NOTE: File watchers won't be informed of recursive deletions