HTML1

lsp-embedded-language-service/README.md

@@ -4,8 +4,11 @@ Heavily documented sample code for https://code.visualstudio.com/api/language-ex
 
 ## Functionality
 
-This Language Server works for HTML file. It has the following language features:
-- Completions for HTML
+This extension contributes a new language, `html1`. The new language is for illustration purpose and has basic syntax highlighting.
+
+This Language Server works for `html1` file. HTML1 is like HTML file but has file extension `.html1`. You can create a `test.html1` file to play with below functionaltiies:
+
+- Completions for HTML tags
 - Completions for CSS in `<style>` tag
 - Diagnostics for CSS
 

lsp-embedded-language-service/client/src/extension.ts

@@ -38,7 +38,7 @@ export function activate(context: ExtensionContext) {
 	// Options to control the language client
 	let clientOptions: LanguageClientOptions = {
 		// Register the server for plain text documents
-		documentSelector: [{ scheme: 'file', language: 'html' }]
+		documentSelector: [{ scheme: 'file', language: 'html1' }]
 	};
 
 	// Create the language client and start the client.

lsp-embedded-language-service/package.json

@@ -15,10 +15,26 @@
 		"vscode": "^1.43.0"
 	},
 	"activationEvents": [
-		"onLanguage:html"
+		"onLanguage:html1"
 	],
 	"main": "./client/out/extension",
-	"contributes": {},
+	"contributes": {
+    "languages": [
+      {
+        "id": "html1",
+        "extensions": [
+					".html1"
+				]
+			}
+		],
+    "grammars": [
+      {
+				"language": "html1",
+        "scopeName": "text.html1.basic",
+        "path": "./syntaxes/html1.tmLanguage.json"
+      }
+    ]
+	},
 	"scripts": {
 		"vscode:prepublish": "cd client && npm install && cd .. && npm run compile",
 		"compile": "tsc -b",

lsp-embedded-language-service/server/src/server.ts

@@ -63,7 +63,7 @@ async function validateTextDocument(textDocument: TextDocument) {
 	try {
 		const version = textDocument.version;
 		const diagnostics: Diagnostic[] = [];
-		if (textDocument.languageId === 'html') {
+		if (textDocument.languageId === 'html1') {
 			const modes = languageModes.getAllModesInDocument(textDocument);
 			const latestTextDocument = documents.get(textDocument.uri);
 			if (latestTextDocument && latestTextDocument.version === version) {