[json] color decorators

extensions/json/server/src/jsonServerMain.ts

@@ -7,7 +7,7 @@
 import {
 	createConnection, IConnection,
 	TextDocuments, TextDocument, InitializeParams, InitializeResult, NotificationType, RequestType,
-	DocumentRangeFormattingRequest, Disposable
+	DocumentRangeFormattingRequest, Disposable, Range
 } from 'vscode-languageserver';
 
 import { xhr, XHRResponse, configure as configureHttpRequests, getErrorStatusDescription } from 'request-light';
@@ -34,6 +34,10 @@ namespace VSCodeContentRequest {
 	export const type: RequestType<string, string, any, any> = new RequestType('vscode/content');
 }
 
+namespace ColorSymbolRequest {
+	export const type: RequestType<string, Range[], any, any> = new RequestType('json/colorSymbols');
+}
+
 // Create a connection for the server
 let connection: IConnection = createConnection();
 
@@ -304,5 +308,14 @@ connection.onDocumentRangeFormatting(formatParams => {
 	return languageService.format(document, formatParams.range, formatParams.options);
 });
 
+connection.onRequest(ColorSymbolRequest.type, uri => {
+	let document = documents.get(uri);
+	if (document) {
+		let jsonDocument = getJSONDocument(document);
+		return languageService.findColorSymbols(document, jsonDocument);
+	}
+	return [];
+});
+
 // Listen on the connection
 connection.listen();