fix: remove warning

packages/vite/src/node/build.ts

@@ -506,9 +506,7 @@ async function doBuild(
       }
 
       const resolvedChokidarOptions = resolveChokidarOptions(
-        config.logger,
-        config.build.watch.chokidar,
-        'build.watch.chokidar'
+        config.build.watch.chokidar
       )
 
       const { watch } = await import('rollup')

packages/vite/src/node/server/index.ts

@@ -301,11 +301,10 @@ export async function createServer(
   )
   const { middlewareMode } = serverConfig
 
-  const resolvedWatchOptions = resolveChokidarOptions(
-    config.logger,
-    { disableGlobbing: true, ...serverConfig.watch },
-    'server.watch'
-  )
+  const resolvedWatchOptions = resolveChokidarOptions({
+    disableGlobbing: true,
+    ...serverConfig.watch
+  })
 
   const middlewares = connect() as Connect.Server
   const httpServer = middlewareMode

packages/vite/src/node/utils.ts

@@ -1144,22 +1144,3 @@ export const isNonDriveRelativeAbsolutePath = (p: string): boolean => {
   if (!isWindows) return p.startsWith('/')
   return windowsDrivePathPrefixRE.test(p)
 }
-
-/**
- * returns `true` for WSL2 including docker running on WSL2
- *
- * https://github.com/microsoft/WSL/issues/423#issuecomment-844418910
- */
-export const isWSL2 = (() => {
-  const release = os.release()
-  // Example: `5.10.102.1-microsoft-standard-WSL2`
-  if (release.includes('WSL2')) {
-    // "Docker Desktop for Windows with WSL2 backend" and "Docker installed in WSL" comes here too
-    return true
-  }
-
-  // Windows Example: `10.0.19044`
-  // WSL1 Example: `4.4.0-19041-Microsoft`
-  // Docker Desktop for Windows with WSL2 backend Example: `5.10.76-linuxkit`
-  return false
-})()

packages/vite/src/node/watch.ts

@@ -1,12 +1,7 @@
 import type { WatchOptions } from 'types/chokidar'
-import colors from 'picocolors'
-import type { Logger } from './logger'
-import { isWSL2 } from './utils'
 
 export function resolveChokidarOptions(
-  logger: Logger,
-  options: WatchOptions | undefined,
-  optionName: string
+  options: WatchOptions | undefined
 ): WatchOptions {
   const { ignored = [], ...otherOptions } = options ?? {}
 
@@ -22,17 +17,5 @@ export function resolveChokidarOptions(
     ...otherOptions
   }
 
-  if (isWSL2 && resolvedWatchOptions.usePolling === undefined) {
-    logger.warn(
-      colors.yellow(
-        colors.bold(`(!) `) +
-          'Default file system watching might not work with your setup due to a limitation of WSL2. ' +
-          'HMR and other features will not work when file system watching is not working. ' +
-          `To suppress this warning, set true or false to "${optionName}.usePolling". ` +
-          'More information: https://vitejs.dev/config/server-options.html#server-watch'
-      )
-    )
-  }
-
   return resolvedWatchOptions
 }