From eda4612d92cf3d5961343ae0f142050a3dd7a21b Mon Sep 17 00:00:00 2001
From: johnsoncodehk <johnsoncodehk@gmail.com>
Date: Fri, 15 Oct 2021 04:44:09 +0800
Subject: [PATCH] feat: startup extension by open .ts file for take over mode

---
 .../vscode-vue-language-features/package.json |  4 ++++
 packages/client/src/extension.ts              | 24 +++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/extensions/vscode-vue-language-features/package.json b/extensions/vscode-vue-language-features/package.json
index 19e688991b..f1712b396f 100644
--- a/extensions/vscode-vue-language-features/package.json
+++ b/extensions/vscode-vue-language-features/package.json
@@ -25,6 +25,10 @@
 	],
 	"activationEvents": [
 		"onLanguage:vue",
+		"onLanguage:javascript",
+		"onLanguage:typescript",
+		"onLanguage:javascriptreact",
+		"onLanguage:typescriptreact",
 		"onWebviewPanel:preview"
 	],
 	"main": "node_modules/@volar/client/out/extension.js",
diff --git a/packages/client/src/extension.ts b/packages/client/src/extension.ts
index b4e77de634..ef0ac1429d 100644
--- a/packages/client/src/extension.ts
+++ b/packages/client/src/extension.ts
@@ -26,6 +26,30 @@ let lowPowerMode = false;
 
 export async function activate(context: vscode.ExtensionContext) {
 
+	const stopCheck = vscode.window.onDidChangeActiveTextEditor(tryActivate);
+	tryActivate();
+
+	function tryActivate() {
+
+		if (!vscode.window.activeTextEditor)
+			return;
+
+		const currentlangId = vscode.window.activeTextEditor.document.languageId;
+		if (currentlangId === 'vue') {
+			doActivate(context);
+			stopCheck.dispose();
+		}
+
+		const takeOverMode = takeOverModeEnabled();
+		if (takeOverMode && ['javascript', 'typescript', 'javascriptreact', 'typescriptreact'].includes(currentlangId)) {
+			doActivate(context);
+			stopCheck.dispose();
+		}
+	}
+}
+
+async function doActivate(context: vscode.ExtensionContext) {
+
 	lowPowerMode = lowPowerModeEnabled();
 	if (lowPowerMode) {
 		vscode.window