Update service and adopt HTML provider interface

extensions/html-language-features/server/src/customData.ts

@@ -0,0 +1,29 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IHTMLDataProvider, HTMLDataProvider } from 'vscode-html-languageservice';
+import * as fs from 'fs';
+
+export function getDataProviders(dataPaths?: string[]): IHTMLDataProvider[] {
+	if (!dataPaths) {
+		return [];
+	}
+
+	const providers: IHTMLDataProvider[] = [];
+
+	dataPaths.forEach((path, i) => {
+		try {
+			if (fs.existsSync(path)) {
+				const htmlData = JSON.parse(fs.readFileSync(path, 'utf-8'));
+
+				providers.push(new HTMLDataProvider(`customProvider${i}`, htmlData));
+			}
+		} catch (err) {
+			console.log(`Failed to laod tag from ${path}`);
+		}
+	});
+
+	return providers;
+}