Examine source code of CORS dev tool

{
  "manifest_version": 2,
  "author": "jhrxx",
  "name": "煎蛋小破站",
  "description": "煎蛋夜间模式、速览无聊图，煎包小破站夜间模式、聊天框增强。",
  "version": "1.1.4",
  "icons": {
    "48": "icon-48.png",
    "96": "icon-96.png"
  },
  "web_accessible_resources": [
    "images/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://janbao.net/*"
      ],
      "css": [
        "node_modules/driver.js/dist/driver.min.css",
        "janbao-dark-theme.css"
      ],
      "js": [
        "node_modules/driver.js/dist/driver.min.js",
        "janbao.js"
      ]
    },
    {
      "matches": [
        "*://jandan.net/*",
        "*://*.jandan.net/*"
      ],
      "css": [
        "node_modules/driver.js/dist/driver.min.css",
        "node_modules/viewerjs/dist/viewer.min.css",
        "jandan-dark-theme.css"
      ],
      "js": [
        "node_modules/viewerjs/dist/viewer.min.js",
        "node_modules/driver.js/dist/driver.min.js",
        "lib.js",
        "jandan.js"
      ]
    }
  ],
  "permissions": [
    "*://janbao.net/*",
    "*://jandan.net/*",
    "*://*.jandan.net/*"
  ]
}