Vocab Swap

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Vocab Swap",
  "version": "1.1",
  "description": "Learn a language while browsing the internet",
  "manifest_version": 2,
  "permissions": [
    "declarativeContent",
    "*://*/*"
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "run_at": "document_idle",
      "js": [
        "content-scripts/libs/findAndReplaceDOMText.js",
        "content-scripts/content.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "dist/background.bundle.js"
    ],
    "persistent": false
  },
  "page_action": {
    "default_popup": "popup/popup.html"
  }
}