Use absolute paths when resolving changed files (#9032)

* Fix vite3 postcss statSync not found

* Update changelog

Co-authored-by: Jordan Pittman <[email protected]>

Author: jardenliu

CHANGELOG.md

@@ -7,7 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-- Nothing yet!
+### Fixed
+
+- Use absolute paths when resolving changed files for resilience against working directory changes ([#9032](https://github.com/tailwindlabs/tailwindcss/pull/9032))
 
 ## [3.1.8] - 2022-08-05
 

src/lib/setupTrackingContext.js

@@ -96,7 +96,7 @@ function resolvedChangedContent(context, candidateFiles, fileModifiedMap) {
 function resolveChangedFiles(candidateFiles, fileModifiedMap) {
   let changedFiles = new Set()
   env.DEBUG && console.time('Finding changed files')
-  let files = fastGlob.sync(candidateFiles)
+  let files = fastGlob.sync(candidateFiles, { absolute: true })
   for (let file of files) {
     let prevModified = fileModifiedMap.has(file) ? fileModifiedMap.get(file) : -Infinity
     let modified = fs.statSync(file).mtimeMs