Respect folding range limit

Author: bradlc

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

@@ -17,6 +17,7 @@ import { TextDocument } from 'vscode-languageserver-textdocument'
 import { Utils, URI } from 'vscode-uri'
 import { getLanguageModelCache } from './languageModelCache'
 import { Stylesheet } from 'vscode-css-languageservice'
+import dlv from 'dlv'
 
 let connection = createConnection(ProposedFeatures.all)
 
@@ -45,6 +46,8 @@ let cssLanguageService = getCSSLanguageService()
 
 let workspaceFolders: WorkspaceFolder[]
 
+let foldingRangeLimit = Number.MAX_VALUE
+
 const stylesheets = getLanguageModelCache<Stylesheet>(10, 60, (document) =>
   cssLanguageService.parseStylesheet(document)
 )
@@ -64,6 +67,12 @@ connection.onInitialize((params: InitializeParams) => {
     }
   }
 
+  foldingRangeLimit = dlv(
+    params.capabilities,
+    'textDocument.foldingRange.rangeLimit',
+    Number.MAX_VALUE
+  )
+
   return {
     capabilities: {
       textDocumentSync: TextDocumentSyncKind.Full,
@@ -152,7 +161,7 @@ connection.onHover(({ textDocument, position }, _token) =>
 
 connection.onFoldingRanges(({ textDocument }, _token) =>
   withDocumentAndSettings(textDocument.uri, ({ document }) =>
-    cssLanguageService.getFoldingRanges(document)
+    cssLanguageService.getFoldingRanges(document, { rangeLimit: foldingRangeLimit })
   )
 )