Add obfuscator

Author: shulng

.github/workflows/build.yml

@@ -5,6 +5,9 @@ on:
     branches:
       - dev
 
+permissions:
+  contents: write
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -24,7 +27,8 @@ jobs:
       - name: Build project
         run: |
           npx wrangler deploy src/worker.js --name bpb-worker-panel --compatibility-flag [nodejs_compat] --compatibility-date 2024-10-26 --dry-run --outdir=dist
-          cp dist/worker.js _worker.js
+          npm install -g javascript-obfuscator
+          javascript-obfuscator dist/worker.js --output _worker.js
 
       - name: Commit and push built worker
         run: |