Notion文字数カウント

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Notion文字数カウント",
  "description": "This is a Chrome extension that counts the number of characters in a Notion page.",
  "version": "0.1.0",
  "manifest_version": 3,
  "action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "128": "icon128.png"
  },
  "background": {
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.notion.so/*"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "windows": "Ctrl+Shift+Y",
        "mac": "Command+Shift+Y"
      },
      "description": "Counting Characters"
    }
  },
  "permissions": [
    "storage"
  ]
}