Normalize drive letter in file path (#980)

* Normalize drive letter in file path

* Move normalization

* Normalize drive letters in document selector patterns

* Add comment

* Update changelog

---------

Co-authored-by: Jordan Pittman <jordan@cryptica.me>

packages/tailwindcss-language-server/src/project-locator.ts

@@ -16,6 +16,7 @@ import resolveFrom from './util/resolveFrom'
 import { type Feature, supportedFeatures } from '@tailwindcss/language-service/src/features'
 import { pathToFileURL } from 'node:url'
 import { resolveCssImports } from './resolve-css-imports'
+import { normalizeDriveLetter } from './utils'
 
 export interface ProjectConfig {
  /** The folder that contains the project */
@@ -70,6 +71,22 @@ export class ProjectLocator {
  })
  }
 
+ // Normalize drive letters in filepaths on Windows so paths
+ // are consistent across the filesystem and the language client
+ for (let project of projects) {
+ project.folder = normalizeDriveLetter(project.folder)
+ project.configPath = normalizeDriveLetter(project.configPath)
+ project.config.path = normalizeDriveLetter(project.config.path)
+
+ for (let entry of project.config.entries) {
+ entry.path = normalizeDriveLetter(entry.path)
+ }
+
+ for (let selector of project.documentSelector) {
+ selector.pattern = normalizeDriveLetter(selector.pattern)
+ }
+ }
+
  return projects
  }
 

packages/tailwindcss-language-server/src/tw.ts

@@ -282,6 +282,10 @@ export class TW {
 
  changeLoop: for (let change of changes) {
  let normalizedFilename = normalizePath(change.file)
+
+ // This filename comes from VSCode rather than from the filesystem
+ // which means the drive letter *might* be lowercased and we need
+ // to normalize it so that we can compare it properly.
  normalizedFilename = normalizeDriveLetter(normalizedFilename)
 
  for (let ignorePattern of ignore) {
@@ -322,8 +326,6 @@ export class TW {
  ...project.projectConfig.config.entries.map((entry) => entry.path),
  ]
 
- reloadableFiles = reloadableFiles.map(normalizeDriveLetter)
-
  if (!changeAffectsFile(normalizedFilename, reloadableFiles)) continue
 
  needsSoftRestart = true
@@ -783,6 +785,12 @@ export class TW {
  for (let selector of documentSelector) {
  let fsPath = URI.parse(document.uri).fsPath
  let pattern = selector.pattern.replace(/[\[\]{}]/g, (m) => `\\${m}`)
+
+ // This filename comes from VSCode rather than from the filesystem
+ // which means the drive letter *might* be lowercased and we need
+ // to normalize it so that we can compare it properly.
+ fsPath = normalizeDriveLetter(fsPath)
+
  if (pattern.startsWith('!') && picomatch(pattern.slice(1), { dot: true })(fsPath)) {
  break
  }

packages/vscode-tailwindcss/CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## Prerelease
 
-- Nothing yet!
+- Normalize Windows drive letters in document URIs ([#980](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/980))
 
 ## 0.12.0