Add middleware for processing deprecated. Fix #79584

extensions/css-language-features/client/src/cssMain.ts

@@ -9,9 +9,10 @@ import * as fs from 'fs';
 import * as nls from 'vscode-nls';
 const localize = nls.loadMessageBundle();
 
-import { languages, window, commands, ExtensionContext, Range, Position, CompletionItem, CompletionItemKind, TextEdit, SnippetString, workspace } from 'vscode';
+import { languages, window, commands, ExtensionContext, Range, Position, CompletionItem, CompletionItemKind, TextEdit, SnippetString, workspace, CompletionItemTag } from 'vscode';
 import { LanguageClient, LanguageClientOptions, ServerOptions, TransportKind, Disposable } from 'vscode-languageclient';
 import { getCustomDataPathsInAllWorkspaces, getCustomDataPathsFromAllExtensions } from './customData';
+import { isArray } from 'util';
 
 // this method is called when vs code is activated
 export function activate(context: ExtensionContext) {
@@ -44,6 +45,32 @@ export function activate(context: ExtensionContext) {
  },
  initializationOptions: {
  dataPaths
+ },
+ middleware: {
+ async provideCompletionItem(document, position, context, token, next) {
+ const result = await next(document, position, context, token);
+ if (result) {
+ if (isArray(result)) {
+ return result.map(r => {
+ return {
+ ...r,
+ tags: (r as any).deprecated ? [CompletionItemTag.Deprecated] : undefined
+ };
+ });
+ } else {
+ return {
+ isIncomplete: result.isIncomplete,
+ items: result.items.map(r => {
+ return {
+ ...r,
+ tags: (r as any).deprecated ? [CompletionItemTag.Deprecated] : undefined
+ };
+ })
+ };
+ }
+ }
+ return result;
+ }
  }
  };