Backup chat for WhatsApp

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "__MSG_name__",
  "version": "1.0.6",
  "description": "__MSG_description__",
  "permissions": [
    "storage"
  ],
  "background": {
    "service_worker": "js/bg.js"
  },
  "default_locale": "en",
  "host_permissions": [
    "https://web.whatsapp.com/"
  ],
  "icons": {
    "128": "imgs/icon3.png"
  },
  "content_scripts": [
    {
      "css": [
        "css/spinkit.css"
      ],
      "js": [
        "js/zip.js",
        "js/z-worker.js",
        "js/deflate.js",
        "js/patch-worker.js",
        "js/cs.js",
        "js/FileSaver.js",
        "js/injectedWA.js",
        "js/redirect-link.js",
        "js/chunk-vendors.js"
      ],
      "matches": [
        "https://web.whatsapp.com/*"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "imgs/icon3.png"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "js/cs.js",
        "js/lodash.js",
        "js/z-worker.js",
        "js/deflate.js",
        "js/patch-worker.js",
        "js/injectedWA.js",
        "js/moment-with-locales.js",
        "js/FileSaver.js",
        "css/spinkit.css",
        "css/wa_layout.css",
        "imgs/*",
        "img/*",
        "fonts/*"
      ],
      "matches": [
        "*://*.whatsapp.com/*"
      ]
    }
  ],
  "externally_connectable": {
    "matches": [
      "*://*.whatsapp.com/*",
      "*://*.whatsapp.net/*"
    ]
  }
}