default to manual on Windows

Looking at benchmarks, it seems to be faster to use this impl on Windows
than Node's built-in version, and there's fallback to move-remove, which
makes it more resilient as well.

README.md

@@ -7,7 +7,8 @@ Install with `npm install rimraf`, or just drop rimraf.js somewhere.
 - The function returns a `Promise` instead of taking a callback.
 - Built-in glob support removed.
 - Functions take arrays of paths, as well as a single path.
-- Native implementation used by default when available.
+- Native implementation used by default when available, except on
+  Windows, where this implementation is faster and more reliable.
 - New implementation on Windows, falling back to "move then
   remove" strategy when exponential backoff for `EBUSY` fails to
   resolve the situation.

src/use-native.ts

@@ -1,5 +1,10 @@
 const version = process.env.__TESTING_RIMRAF_NODE_VERSION__ || process.version
 const versArr = version.replace(/^v/, '').split('.')
 const hasNative = +versArr[0] > 14 || (+versArr[0] === 14 && +versArr[1] >= 14)
-export const useNative = !hasNative ? () => false : () => true
-export const useNativeSync = !hasNative ? () => false : () => true
+// we do NOT use native by default on Windows, because Node's native
+// rm implementation is less advanced.  Change this code if that changes.
+import platform from './platform'
+export const useNative =
+  !hasNative || platform === 'win32' ? () => false : () => true
+export const useNativeSync =
+  !hasNative || platform === 'win32' ? () => false : () => true

test/use-native.js

@@ -8,25 +8,44 @@ if (/^v([0-8]\.|1[0-3]\.|14\.[0-9]\.|14\.1[1-3]\.)/.test(process.version)) {
 const t = require('tap')
 const { useNative, useNativeSync } = require('../dist/cjs/src/use-native.js')
 
-if (!process.env.__TESTING_RIMRAF_NODE_VERSION__) {
+if (!process.env.__TESTING_RIMRAF_EXPECT_USE_NATIVE__) {
   t.spawn(process.execPath, [__filename], {
     env: {
       ...process.env,
-      __TESTING_RIMRAF_NODE_VERSION__: 'v14.13.12',
+      __TESTING_RIMRAF_PLATFORM__: 'darwin',
+      __TESTING_RIMRAF_NODE_VERSION__: 'v18.0.0',
+      __TESTING_RIMRAF_EXPECT_USE_NATIVE__: '1',
+    },
+  })
+
+  t.spawn(process.execPath, [__filename], {
+    env: {
+      ...process.env,
+      __TESTING_RIMRAF_PLATFORM__: 'win32',
+      __TESTING_RIMRAF_NODE_VERSION__: 'v18.0.0',
+      __TESTING_RIMRAF_EXPECT_USE_NATIVE__: '0',
     },
   })
 
   t.spawn(process.execPath, [__filename], {
     env: {
       ...process.env,
       __TESTING_RIMRAF_NODE_VERSION__: 'v8.9.10',
+      __TESTING_RIMRAF_PLATFORM__: 'darwin',
+      __TESTING_RIMRAF_EXPECT_USE_NATIVE__: '0',
     },
   })
 
-  // this one has the native impl
-  t.equal(useNative(), true)
-  t.equal(useNativeSync(), true)
+  t.spawn(process.execPath, [__filename], {
+    env: {
+      ...process.env,
+      __TESTING_RIMRAF_NODE_VERSION__: 'v14.13.12',
+      __TESTING_RIMRAF_PLATFORM__: 'darwin',
+      __TESTING_RIMRAF_EXPECT_USE_NATIVE__: '0',
+    },
+  })
 } else {
-  t.equal(useNative(), false)
-  t.equal(useNativeSync(), false)
+  const expect = process.env.__TESTING_RIMRAF_EXPECT_USE_NATIVE__ === '1'
+  t.equal(useNative(), expect)
+  t.equal(useNativeSync(), expect)
 }