create-chrome-plugin/src/static/manifest.json

Chrome Extension Boilerplate with React 18, TypeScript and Webpack 5

{
  "manifest_version": 3,
  "name": "Chrome Extension with React & Webpack",
  "description": "A chrome extension boilerplate built with React 17, Webpack 5, and Webpack Dev Server 4",
  "options_page": "options.html",
  "version": "1.0.0",
  "background": { "service_worker": "background.js" },
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon-32.png"
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "content_scripts": [
    {
      "matches": ["http://*/*", "https://*/*", "<all_urls>"],
      "js": ["contentscript.js"]
    }
  ],
  "devtools_page": "devtools.html",
  "web_accessible_resources": [
    {
      "resources": ["content.styles.css", "icon-128.png", "icon-34.png"],
      "matches": []
    }
  ]
}