Examine source code of BT-QC Tools

{
  "manifest_version": 2,
  "name": "BT-QC Tools",
  "version": "2.0.1",
  "description": "Adds BT-QC Tools section to specified Basetao pages and provides 'Add to BT-QC' functionality",
  "icons": {
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "basetao.com@gmail.com",
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "https://www.basetao.com/*",
    "https://basetao.com/*",
    "https://bt-qc.com/*",
    "https://*.weidian.com/*",
    "https://weidian.com/*",
    "https://*.taobao.com/*",
    "https://taobao.com/*",
    "https://*.1688.com/*",
    "https://1688.com/*",
    "https://*.tmall.com/*",
    "https://tmall.com/*",
    "https://thor.weidian.com/*",
    "https://api.mymemory.translated.net/*",
    "https://www.goofish.com/*",
    "https://goofish.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.basetao.com/*",
        "https://basetao.com/*"
      ],
      "js": [
        "lib/jquery-3.7.1.min.js",
        "lib/masonry.pkgd.min.js",
        "scripts/views.js",
        "scripts/content.js",
        "scripts/rating.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://*.weidian.com/item.html*",
        "https://weidian.com/item.html*"
      ],
      "js": [
        "lib/jquery-3.7.1.min.js",
        "scripts/views.js",
        "scripts/weidian.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://*.taobao.com/item.htm*",
        "https://taobao.com/item.htm*"
      ],
      "js": [
        "lib/jquery-3.7.1.min.js",
        "scripts/views.js",
        "scripts/taobao.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://detail.1688.com/*"
      ],
      "js": [
        "lib/jquery-3.7.1.min.js",
        "scripts/views.js",
        "scripts/1688.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://*.tmall.com/item.htm*",
        "https://tmall.com/item.htm*"
      ],
      "js": [
        "lib/jquery-3.7.1.min.js",
        "scripts/views.js",
        "scripts/tmall.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://*.weidian.com/item.html*",
        "https://weidian.com/item.html*"
      ],
      "js": [
        "scripts/basetao-cart-weidian.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://*.taobao.com/item.htm*",
        "https://taobao.com/item.htm*",
        "https://*.tmall.com/item.htm*",
        "https://tmall.com/item.htm*"
      ],
      "js": [
        "scripts/basetao-cart-taobao.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://detail.1688.com/*"
      ],
      "js": [
        "scripts/basetao-cart-1688.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://www.goofish.com/item*",
        "https://goofish.com/item*"
      ],
      "js": [
        "scripts/basetao-cart-goofish.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://www.basetao.com/*my_account/parcel/*",
        "https://basetao.com/*my_account/parcel/*",
        "https://www.basetao.com/best-taobao-agent-service/my_account/support_tools.html",
        "https://basetao.com/best-taobao-agent-service/my_account/support_tools.html"
      ],
      "js": [
        "scripts/parcel-page.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://www.basetao.com/*my_account/parcel/*",
        "https://basetao.com/*my_account/parcel/*",
        "https://www.basetao.com/best-taobao-agent-service/my_account/support_tools.html",
        "https://basetao.com/best-taobao-agent-service/my_account/support_tools.html"
      ],
      "js": [
        "scripts/parcel.js"
      ],
      "run_at": "document_end"
    }
  ]
}