added firefox compatibility

package.json

@@ -4,8 +4,11 @@
   "description": "Chrome extension for Instagram Reels with volume control and download functionality",
   "main": "index.js",
   "scripts": {
-    "dev": "vite build --watch",
-    "build": "vite build",
+    "dev": "BROWSER=chrome vite build --watch",
+    "dev:firefox": "BROWSER=firefox vite build --watch",
+    "build": "pnpm build:chrome && pnpm build:firefox",
+    "build:chrome": "BROWSER=chrome vite build",
+    "build:firefox": "BROWSER=firefox vite build",
     "bundle": "vite build && node scripts/bundle.js",
     "type-check": "tsc --noEmit"
   },

src/background/service-worker.ts

@@ -1,4 +1,6 @@
 // Background Service Worker for Reels Master
+import browser from 'webextension-polyfill';
+
 console.log('Reels Master: Background service worker loaded');
 
 const ENCODING_CHARS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_';
@@ -19,16 +21,14 @@ function extractShortcode(url: string): string | null {
   return match ? match[1] : null;
 }
 
-chrome.runtime.onInstalled.addListener(() => {
+browser.runtime.onInstalled.addListener(() => {
   console.log('Reels Master: Extension installed');
 });
 
-chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
-  if (message.type === 'DOWNLOAD_REEL') {
-    handleDownload(message.url)
-      .then(result => sendResponse(result))
-      .catch(error => sendResponse({ success: false, error: error.message }));
-    return true;
+browser.runtime.onMessage.addListener((message: unknown) => {
+  const msg = message as { type: string; url: string };
+  if (msg.type === 'DOWNLOAD_REEL') {
+    return handleDownload(msg.url);
   }
 });
 
@@ -79,7 +79,7 @@ async function handleDownload(reelUrl: string): Promise<{ success: boolean; down
 
     console.log('Reels Master: Found video URL, starting download');
 
-    await chrome.downloads.download({
+    await browser.downloads.download({
       url: videoUrl,
       filename: `reel_${shortcode}_${Date.now()}.mp4`,
     });
@@ -132,7 +132,7 @@ async function tryGraphQLFallback(shortcode: string, headers: Record<string, str
       return { success: false, error: 'No video URL found in response' };
     }
 
-    await chrome.downloads.download({
+    await browser.downloads.download({
       url: videoUrl,
       filename: `reel_${shortcode}_${Date.now()}.mp4`,
     });

src/content/content.ts

@@ -1,4 +1,5 @@
 import './content.css';
+import browser from 'webextension-polyfill';
 
 console.log('Reels Master: Content script loaded');
 
@@ -27,29 +28,24 @@ class ReelsMaster {
     }
   }
 
-  private loadSettings(): void {
-    if (typeof chrome !== 'undefined' && chrome.storage?.local) {
-      chrome.storage.local.get(['volume', 'muted'], (result) => {
+  private async loadSettings(): Promise<void> {
+    const result = await browser.storage.local.get(['volume', 'muted']);
     if (result.volume !== undefined) {
-          this.storedVolume = result.volume;
+      this.storedVolume = result.volume as number;
     }
     if (result.muted !== undefined) {
-          this.storedMuted = result.muted;
+      this.storedMuted = result.muted as boolean;
     }
     this.applyVolumeToAllVideos();
     this.updateAllSliders();
-      });
-    }
   }
 
   private saveSettings(): void {
-    if (typeof chrome !== 'undefined' && chrome.storage?.local) {
-      chrome.storage.local.set({
+    browser.storage.local.set({
       volume: this.storedVolume,
       muted: this.storedMuted
     });
   }
-  }
 
   private start(): void {
     console.log('Reels Master: Starting...');
@@ -459,10 +455,10 @@ class ReelsMaster {
 
       console.log('Reels Master: Sending download request to background for', reelUrl);
 
-      const response = await chrome.runtime.sendMessage({
+      const response = await browser.runtime.sendMessage({
         type: 'DOWNLOAD_REEL',
         url: reelUrl
-      });
+      }) as { success: boolean; error?: string };
 
       console.log('Reels Master: Background response', response);
 

src/manifest.firefox.json

@@ -0,0 +1,27 @@
+{
+    "manifest_version": 3,
+    "name": "Reels Master",
+    "version": "1.1.2",
+    "description": "Enhance your Instagram experience with Reels Master - download reels, seek through videos, and more!",
+    "background": {
+      "service_worker": "background/background.js"
+    },
+    "homepage_url": "https://shiftyspace.ru",
+    "author": "ShiftyX1",
+    "content_scripts": [
+      {
+        "matches": ["*://*.instagram.com/*"],
+        "js": ["content/content.js"],
+        "css": ["assets/content.css"],
+        "run_at": "document_end"
+      }
+    ],
+    "permissions": ["storage", "downloads"],
+    "host_permissions": ["*://*.instagram.com/*", "*://*.cdninstagram.com/*", "https://i.instagram.com/*", "*://*.fbcdn.net/*"],
+    "browser_specific_settings": {
+      "gecko": {
+        "id": "reels-master@shiftyspace.ru",
+        "strict_min_version": "121.0"
+      }
+    }
+}

tsconfig.json

@@ -3,7 +3,7 @@
 	"compilerOptions": {
 		"target": "ES2020",
 		"module": "ESNext",
-		"lib": ["ES2020", "DOM"],
+		"lib": ["ES2020", "DOM", "DOM.Iterable"],
 		"moduleResolution": "bundler",
 		"resolveJsonModule": true,
 		"esModuleInterop": true,
@@ -12,7 +12,7 @@
 		"strict": true,
 		"noEmit": true,
 		"isolatedModules": true,
-		"types": ["chrome", "node"]
+		"types": ["webextension-polyfill", "node"]
 	},
 	"include": ["src/**/*", "vite.config.ts"],
 	"exclude": ["node_modules", "dist"]

vite.config.ts

@@ -3,6 +3,8 @@ import { resolve } from 'path';
 import { copyFileSync, existsSync } from 'fs';
 import AdmZip from 'adm-zip';
 
+const browser = process.env.BROWSER || 'chrome';
+
 export default defineConfig({
   build: {
     outDir: 'dist',
@@ -25,10 +27,10 @@ export default defineConfig({
       closeBundle() {
         try {
           copyFileSync(
-            resolve(__dirname, 'src/manifest.json'),
+            resolve(__dirname, `src/manifest.${browser}.json`),
             resolve(__dirname, 'dist/manifest.json')
           );
-          console.log('✓ Copied manifest.json');
+          console.log(`✓ Copied manifest.${browser}.json`);
         } catch (err) {
           console.error('Error copying manifest.json:', err);
         }
@@ -44,8 +46,8 @@ export default defineConfig({
             
             if (existsSync(distPath)) {
               zip.addLocalFolder(distPath);
-              zip.writeZip(resolve(__dirname, 'reels-master.zip'));
-              console.log('Created reels-master.zip');
+              zip.writeZip(resolve(__dirname, `reels-master-${browser}.zip`));
+              console.log(`Created reels-master-${browser}.zip`);
             }
           } catch (err) {
             console.error('Error creating zip:', err);