Examine source code of es-client

{
  "manifest_version": 2,
  "name": "es-client",
  "version": "2.8.7",
  "description": "elasticsearch管理客户端",
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "icons": {
    "16": "icons/logo_16.png",
    "48": "icons/logo_16.png"
  },
  "homepage_url": "https://gitee.com/qiaoshengda/es-client",
  "permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "es-client@esion.xyz"
    }
  },
  "browser_action": {
    "default_icon": "icons/logo_16.png",
    "default_title": "es-client"
  },
  "background": {
    "scripts": [
      "src/index.js"
    ]
  },
  "author": "云落天都"
}