🔧fix: duckduckgo dark theme visibility

extension text inherit text color from body style in all search engines,
and upon changing theme, body text color got updated, but that's not the case for duckduckgo. So I update the body style manually

Author: howarddo2208

src/pages/content/index.tsx

@@ -1,4 +1,5 @@
 import { getLogseqCopliotConfig } from '@/config';
+import { fixDuckDuckGoDark } from '@/utils';
 import { createRoot } from 'react-dom/client';
 import Browser from 'webextension-polyfill';
 import { LogseqCopliot } from './LogseqCopliot';
@@ -27,6 +28,10 @@ async function run(
 ) {
   console.debug('Logseq copliot', window.location.hostname);
 
+  if (searchEngine instanceof DuckDuckGo) {
+    fixDuckDuckGoDark()
+  }
+
   const query = searchEngine.getQuery();
   if (query) {
     console.log(`match ${typeof searchEngine}, query ${query}`);

src/utils.ts

@@ -83,3 +83,9 @@ export const buildTurndownService = () => {
 
   return turndownService;
 };
+
+export const fixDuckDuckGoDark = () => {
+  if (document.querySelector('.dark-bg')) {
+    document.body.style.color = 'var(--theme-col-txt-snippet)';
+  }
+}