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manifest.json
{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "BrickValue",
  "version": "0.2",
  "permissions": [
    "activeTab",
    "scripting",
    "tabs",
    "storage"
  ],
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "host_permissions": [
    "https://*.bricklink.com/*",
    "https://*.leboncoin.fr/*",
    "https://*.leboncoin.com/*",
    "https://*.vinted.fr/*",
    "https://*.vinted.com/*",
    "https://*.vinted.es/*",
    "https://*.vinted.pt/*",
    "https://*.vinted.cn/*",
    "https://*.vinted.ae/*",
    "https://*.ebay.fr/*",
    "https://*.ebay.com/*",
    "https://*.ebay.es/*",
    "https://*.ebay.pt/*",
    "https://*.ebay.cn/*",
    "https://*.ebay.ae/*"
  ],
  "background": {
    "service_worker": "background.js",
    "type": "module"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "brickValue.html"
      ],
      "matches": [
        "https://*.bricklink.com/*",
        "https://*.leboncoin.fr/*",
        "https://*.leboncoin.com/*",
        "https://*.vinted.fr/*",
        "https://*.vinted.com/*",
        "https://*.vinted.es/*",
        "https://*.vinted.pt/*",
        "https://*.vinted.cn/*",
        "https://*.vinted.ae/*",
        "https://*.ebay.fr/*",
        "https://*.ebay.com/*",
        "https://*.ebay.es/*",
        "https://*.ebay.pt/*",
        "https://*.ebay.cn/*",
        "https://*.ebay.ae/*"
      ]
    }
  ],
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.bricklink.com/*",
        "https://*.leboncoin.fr/*",
        "https://*.leboncoin.com/*",
        "https://*.vinted.fr/*",
        "https://*.vinted.com/*",
        "https://*.vinted.es/*",
        "https://*.vinted.pt/*",
        "https://*.vinted.cn/*",
        "https://*.vinted.ae/*",
        "https://*.ebay.fr/*",
        "https://*.ebay.com/*",
        "https://*.ebay.es/*",
        "https://*.ebay.pt/*",
        "https://*.ebay.cn/*",
        "https://*.ebay.ae/*"
      ],
      "js": [
        "js/jquery-3.6.4.min.js",
        "js/chart.js",
        "js/injectCode.js"
      ],
      "css": [
        "css/app.css"
      ],
      "run_at": "document_end"
    }
  ]
}