Support renaming of output files by PostCSS plugin. (#9944)

* Support for rename of output files by postcss plugin.

* update changelog

Co-authored-by: Robin Malfait <malfait.robin@gmail.com>

CHANGELOG.md

@@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Cleanup unused `variantOrder` ([#9829](https://github.com/tailwindlabs/tailwindcss/pull/9829))
 - Fix `foo-[abc]/[def]` not being handled correctly ([#9866](https://github.com/tailwindlabs/tailwindcss/pull/9866))
 - Add container queries plugin to standalone CLI ([#9865](https://github.com/tailwindlabs/tailwindcss/pull/9865))
+- Support renaming of output files by `PostCSS` plugin. ([#9944](https://github.com/tailwindlabs/tailwindcss/pull/9944))
 
 ## [3.2.4] - 2022-11-11
 

src/cli/build/plugin.js

@@ -355,8 +355,8 @@ export async function createProcessor(args, cliConfigPath) {
         }
 
         return Promise.all([
-          outputFile(output, result.css),
-          result.map && outputFile(output + '.map', result.map.toString()),
+          outputFile(result.opts.to, result.css),
+          result.map && outputFile(result.opts.to + '.map', result.map.toString()),
         ])
       })
       .then(() => {