From 01ebc184adc154b1d0c7a13c7c1ad5db01b0c6d9 Mon Sep 17 00:00:00 2001
From: Gabe Yuan <gabe@zq.com>
Date: Wed, 20 Sep 2023 16:02:17 +0800
Subject: [PATCH] add globalThis.ContextType

---
 package.json        | 3 ++-
 src/background.js   | 2 ++
 src/libs/browser.js | 2 ++
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index c4c556d..9ca7202 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,8 @@
     ],
     "globals": {
       "GM": true,
-      "unsafeWindow": true
+      "unsafeWindow": true,
+      "globalThis": true
     }
   },
   "browserslist": {
diff --git a/src/background.js b/src/background.js
index bd1d6c9..6f1d7ae 100644
--- a/src/background.js
+++ b/src/background.js
@@ -16,6 +16,8 @@ import { sendTabMsg } from "./libs/msg";
 import { trySyncAllSubRules } from "./libs/subRules";
 import { tryClearCaches } from "./libs";
 
+globalThis.ContextType = "BACKGROUND";
+
 /**
  * 插件安装
  */
diff --git a/src/libs/browser.js b/src/libs/browser.js
index f2c86a2..af6e78a 100644
--- a/src/libs/browser.js
+++ b/src/libs/browser.js
@@ -13,3 +13,5 @@ function _browser() {
 }
 
 export const browser = _browser();
+
+export const isBg = () => globalThis?.ContextType === "BACKGROUND";