Add `files.exclude` setting

packages/tailwindcss-language-server/src/lsp/diagnosticsProvider.ts

@@ -1,12 +1,17 @@
 import { TextDocument } from 'vscode-languageserver/node'
 import { State } from 'tailwindcss-language-service/src/util/state'
 import { doValidate } from 'tailwindcss-language-service/src/diagnostics/diagnosticsProvider'
+import isExcluded from '../util/isExcluded'
 
 export async function provideDiagnostics(state: State, document: TextDocument) {
-  state.editor?.connection.sendDiagnostics({
-    uri: document.uri,
-    diagnostics: await doValidate(state, document),
-  })
+  if (await isExcluded(state, document)) {
+    clearDiagnostics(state, document)
+  } else {
+    state.editor?.connection.sendDiagnostics({
+      uri: document.uri,
+      diagnostics: await doValidate(state, document),
+    })
+  }
 }
 
 export function clearDiagnostics(state: State, document: TextDocument): void {

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

@@ -78,6 +78,9 @@ import * as culori from 'culori'
 import namedColors from 'color-name'
 import preflight from './lib/preflight'
 import tailwindPlugins from './lib/plugins'
+import isExcluded from './util/isExcluded'
+import { getFileFsPath, normalizeFileNameToFsPath } from './util/uri'
+import { equal } from 'tailwindcss-language-service/src/util/array'
 
 let oldReadFileSync = fs.readFileSync
 // @ts-ignore
@@ -121,14 +124,6 @@ process.on('unhandledRejection', (e: any) => {
   connection.console.error(formatError(`Unhandled exception`, e))
 })
 
-function normalizeFileNameToFsPath(fileName: string) {
-  return URI.file(fileName).fsPath
-}
-
-function getFileFsPath(documentUri: string): string {
-  return URI.parse(documentUri).fsPath
-}
-
 function deletePropertyPath(obj: any, path: string | string[]): void {
   if (typeof path === 'string') {
     path = path.split('.')
@@ -220,6 +215,7 @@ async function createProjectService(
     enabled: false,
     editor: {
       connection,
+      folder,
       globalSettings: params.initializationOptions.configuration as Settings,
       userLanguages: params.initializationOptions.userLanguages
         ? params.initializationOptions.userLanguages
@@ -258,12 +254,7 @@ async function createProjectService(
   let registrations: Promise<BulkUnregistration>
 
   let chokidarWatcher: chokidar.FSWatcher
-  let ignore = [
-    '**/.git/objects/**',
-    '**/.git/subtree-cache/**',
-    '**/node_modules/**',
-    '**/.hg/store/**',
-  ]
+  let ignore = state.editor.globalSettings.tailwindCSS.files.exclude
 
   function onFileEvents(changes: Array<{ file: string; type: FileChangeType }>): void {
     let needsInit = false
@@ -456,7 +447,7 @@ async function createProjectService(
     let [configPath] = (
       await glob([`**/${CONFIG_FILE_GLOB}`], {
         cwd: folder,
-        ignore: ['**/node_modules'],
+        ignore: state.editor.globalSettings.tailwindCSS.files.exclude,
         onlyFiles: true,
         absolute: true,
         suppressErrors: true,
@@ -989,25 +980,33 @@ async function createProjectService(
     },
     onUpdateSettings(settings: any): void {
       documentSettingsCache.clear()
-      if (state.enabled) {
-        updateAllDiagnostics(state)
-      }
-      if (settings.editor.colorDecorators) {
-        registerCapabilities(state.dependencies)
+      let previousExclude = state.editor.globalSettings.tailwindCSS.files.exclude
+      state.editor.globalSettings = settings
+      if (!equal(previousExclude, settings.tailwindCSS.files.exclude)) {
+        tryInit()
       } else {
-        connection.sendNotification('@/tailwindCSS/clearColors')
+        if (state.enabled) {
+          updateAllDiagnostics(state)
+        }
+        if (settings.editor.colorDecorators) {
+          registerCapabilities(state.dependencies)
+        } else {
+          connection.sendNotification('@/tailwindCSS/clearColors')
+        }
       }
     },
-    onHover(params: TextDocumentPositionParams): Promise<Hover> {
+    async onHover(params: TextDocumentPositionParams): Promise<Hover> {
       if (!state.enabled) return null
       let document = documentService.getDocument(params.textDocument.uri)
       if (!document) return null
+      if (await isExcluded(state, document)) return null
       return doHover(state, document, params.position)
     },
-    onCompletion(params: CompletionParams): Promise<CompletionList> {
+    async onCompletion(params: CompletionParams): Promise<CompletionList> {
       if (!state.enabled) return null
       let document = documentService.getDocument(params.textDocument.uri)
       if (!document) return null
+      if (await isExcluded(state, document)) return null
       return doComplete(state, document, params.position, params.context)
     },
     onCompletionResolve(item: CompletionItem): Promise<CompletionItem> {
@@ -1026,6 +1025,7 @@ async function createProjectService(
       if (!state.enabled) return []
       let document = documentService.getDocument(params.textDocument.uri)
       if (!document) return []
+      if (await isExcluded(state, document)) return null
       return getDocumentColors(state, document)
     },
     async onColorPresentation(params: ColorPresentationParams): Promise<ColorPresentation[]> {

packages/tailwindcss-language-server/src/util/isExcluded.ts

@@ -0,0 +1,18 @@
+import minimatch from 'minimatch'
+import * as path from 'path'
+import { State } from 'tailwindcss-language-service/src/util/state'
+import { TextDocument } from 'vscode-languageserver-textdocument'
+import { getFileFsPath } from './uri'
+
+export default async function isExcluded(state: State, document: TextDocument): Promise<boolean> {
+  let settings = await state.editor.getConfiguration(document.uri)
+  let file = getFileFsPath(document.uri)
+
+  for (let pattern of settings.tailwindCSS.files.exclude) {
+    if (minimatch(file, path.join(state.editor.folder, pattern))) {
+      return true
+    }
+  }
+
+  return false
+}

packages/tailwindcss-language-server/src/util/uri.ts

@@ -0,0 +1,9 @@
+import { URI } from 'vscode-uri'
+
+export function normalizeFileNameToFsPath(fileName: string) {
+  return URI.file(fileName).fsPath
+}
+
+export function getFileFsPath(documentUri: string): string {
+  return URI.parse(documentUri).fsPath
+}

packages/tailwindcss-language-service/src/util/state.ts

@@ -19,6 +19,7 @@ export type ClassNames = {
 
 export type EditorState = {
   connection: Connection
+  folder: string
   documents: TextDocuments<TextDocument>
   globalSettings: Settings
   userLanguages: Record<string, string>
@@ -56,6 +57,9 @@ export type Settings = {
     experimental: {
       classRegex: string[]
     }
+    files: {
+      exclude: string[]
+    }
   }
 }
 

packages/vscode-tailwindcss/README.md

@@ -62,6 +62,10 @@ This setting allows you to add additional language support. The key of each entr
 }
 ```
 
+### `tailwindCSS.files.exclude`
+
+Configure glob patterns to exclude from all IntelliSense features. Inherits all glob patterns from the `files.exclude` setting. **Default: ["\*\*/.git/\*\*", "\*\*/node_modules/\*\*", "\*\*/.hg/\*\*"]**
+
 ### `tailwindCSS.emmetCompletions`
 
 Enable completions when using [Emmet](https://emmet.io/)-style syntax, for example `div.bg-red-500.uppercase`. **Default: `false`**

packages/vscode-tailwindcss/package.json

@@ -119,6 +119,18 @@
           "default": {},
           "markdownDescription": "Enable features in languages that are not supported by default. Add a mapping here between the new language and an already supported language.\n E.g.: `{\"plaintext\": \"html\"}`"
         },
+        "tailwindCSS.files.exclude": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          },
+          "default": [
+            "**/.git/**",
+            "**/node_modules/**",
+            "**/.hg/**"
+          ],
+          "markdownDescription": "Configure glob patterns to exclude from all IntelliSense features. Inherits all glob patterns from the `#files.exclude#` setting."
+        },
         "tailwindCSS.classAttributes": {
           "type": "array",
           "items": {

packages/vscode-tailwindcss/src/extension.ts

@@ -31,6 +31,7 @@ import { languages as defaultLanguages } from 'tailwindcss-language-service/src/
 import isObject from 'tailwindcss-language-service/src/util/isObject'
 import { dedupe, equal } from 'tailwindcss-language-service/src/util/array'
 import namedColors from 'color-name'
+import minimatch from 'minimatch'
 
 const colorNames = Object.keys(namedColors)
 
@@ -82,6 +83,45 @@ function getUserLanguages(folder?: WorkspaceFolder): Record<string, string> {
   return isObject(langs) ? langs : {}
 }
 
+function getExcludePatterns(folder: WorkspaceFolder): string[] {
+  let globalExclude = Workspace.getConfiguration('files', folder).get('exclude')
+  let exclude = Object.entries(globalExclude)
+    .filter(([, value]) => value)
+    .map(([key]) => key)
+
+  return [
+    ...exclude,
+    ...(<string[]>Workspace.getConfiguration('tailwindCSS', folder).get('files.exclude')),
+  ]
+}
+
+function isExcluded(file: string, folder: WorkspaceFolder): boolean {
+  let exclude = getExcludePatterns(folder)
+
+  for (let pattern of exclude) {
+    if (minimatch(file, path.join(folder.uri.fsPath, pattern))) {
+      return true
+    }
+  }
+
+  return false
+}
+
+function mergeExcludes(settings, scope) {
+  // merge `files.exclude` into `tailwindCSS.files.exclude`
+  let globalExclude = Object.entries(Workspace.getConfiguration('files', scope).get('exclude'))
+    .filter(([, value]) => value)
+    .map(([key]) => key)
+
+  return {
+    ...settings,
+    files: {
+      ...settings.files,
+      exclude: [...globalExclude, ...settings.files.exclude],
+    },
+  }
+}
+
 export async function activate(context: ExtensionContext) {
   let module = context.asAbsolutePath(path.join('dist', 'server', 'index.js'))
   let prod = path.join('dist', 'server', 'tailwindServer.js')
@@ -108,8 +148,10 @@ export async function activate(context: ExtensionContext) {
     if (!folder) {
       return
     }
-    folder = getOuterMostWorkspaceFolder(folder)
-    bootWorkspaceClient(folder)
+    if (!isExcluded(uri.fsPath, folder)) {
+      folder = getOuterMostWorkspaceFolder(folder)
+      bootWorkspaceClient(folder)
+    }
   })
 
   context.subscriptions.push(watcher)
@@ -180,7 +222,7 @@ export async function activate(context: ExtensionContext) {
 
     let configuration = {
       editor: Workspace.getConfiguration('editor', folder),
-      tailwindCSS: Workspace.getConfiguration('tailwindCSS', folder),
+      tailwindCSS: mergeExcludes(Workspace.getConfiguration('tailwindCSS', folder), folder),
     }
 
     let inspectPort = configuration.tailwindCSS.get('inspectPort')
@@ -309,7 +351,13 @@ export async function activate(context: ExtensionContext) {
                   }
                 }
               }
-              return Workspace.getConfiguration(section, scope)
+              let settings = Workspace.getConfiguration(section, scope)
+
+              if (section === 'tailwindCSS') {
+                return mergeExcludes(settings, scope)
+              }
+
+              return settings
             })
           },
         },
@@ -375,7 +423,7 @@ export async function activate(context: ExtensionContext) {
 
     let [configFile] = await Workspace.findFiles(
       new RelativePattern(folder, `**/${CONFIG_FILE_GLOB}`),
-      '**/node_modules/**',
+      `{${getExcludePatterns(folder).join(',')}}`,
       1
     )