Examine source code of It's on Surugaya!

{
  "manifest_version": 3,
  "author": "チェキッ娘",
  "name": "__MSG_extension_name__",
  "version": "5.22.0",
  "description": "__MSG_extension_description__",
  "default_locale": "ja",
  "homepage_url": "https://surugaya-cheki.com/",
  "permissions": [
    "contextMenus",
    "notifications",
    "storage",
    "unlimitedStorage",
    "alarms"
  ],
  "optional_permissions": [
    "scripting"
  ],
  "optional_host_permissions": [
    "<all_urls>",
    "https://api-free.deepl.com/",
    "https://api.deepl.com/"
  ],
  "host_permissions": [
    "https://www.suruga-ya.jp/*",
    "https://surugaya-cheki.com/*",
    "https://api.surugaya-cheki.com/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "css/injector.css",
        "css/style.css",
        "images/no_photo.jpg"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "icons": {
    "16": "images/icons/16.png",
    "48": "images/icons/48.png",
    "128": "images/icons/128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_icon": {
      "16": "images/icons/ready.png"
    },
    "default_title": "それ、駿河屋にあります",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "http://www.amazon.co.jp/*",
        "https://www.amazon.co.jp/*",
        "http://books.rakuten.co.jp/rk/*",
        "https://books.rakuten.co.jp/rk/*",
        "http://books.rakuten.co.jp/rb/*",
        "https://books.rakuten.co.jp/rb/*",
        "http://books.rakuten.co.jp/search*",
        "https://books.rakuten.co.jp/search*",
        "http://product.rakuten.co.jp/product/*",
        "https://product.rakuten.co.jp/product/*",
        "https://search.rakuten.co.jp/search/mall/*",
        "http://honto.jp/netstore/*",
        "https://honto.jp/netstore/*",
        "http://honto.jp/ebook/*",
        "https://honto.jp/ebook/*",
        "http://*.auctions.yahoo.co.jp/jp/auction/*",
        "https://page.auctions.yahoo.co.jp/jp/auction/*",
        "https://auctions.yahoo.co.jp/jp/auction/*",
        "http://auctions.search.yahoo.co.jp/search?*",
        "https://auctions.yahoo.co.jp/search/search*",
        "https://bookmeter.com/*",
        "http://www.amiami.jp/top/detail*",
        "https://www.amiami.jp/top/detail*",
        "http://slist.amiami.jp/top/search/*",
        "https://slist.amiami.jp/top/search/*",
        "http://booklog.jp/item/1/*",
        "https://booklog.jp/item/1/*",
        "http://booklog.jp/search?*",
        "https://booklog.jp/search?*",
        "http://www.netoff.co.jp/detail/*",
        "https://www.netoff.co.jp/detail/*",
        "http://www.netoff.co.jp/cmdtyallsearch?*",
        "https://www.netoff.co.jp/cmdtyallsearch?*",
        "http://store.shopping.yahoo.co.jp/*",
        "https://store.shopping.yahoo.co.jp/*",
        "http://search.shopping.yahoo.co.jp/search*",
        "https://shopping.yahoo.co.jp/search?*",
        "http://shopping.yahoo.co.jp/products/*",
        "https://shopping.yahoo.co.jp/products/*",
        "http://7net.omni7.jp/detail/*",
        "https://7net.omni7.jp/detail/*",
        "http://7net.omni7.jp/search/*",
        "https://7net.omni7.jp/search/*",
        "http://www.gamers.co.jp/pn/*",
        "https://www.gamers.co.jp/pn/*",
        "http://www.gamers.co.jp/products/list.php?*",
        "https://www.gamers.co.jp/products/list.php?*",
        "http://www.animate-onlineshop.jp/pn/*",
        "https://www.animate-onlineshop.jp/pn/*",
        "http://www.animate-onlineshop.jp/products/list.php?*",
        "https://www.animate-onlineshop.jp/products/list.php?*",
        "http://www.dmm.com/search/*",
        "https://www.dmm.com/search/*",
        "http://www.dmm.co.jp/search/*",
        "https://www.dmm.co.jp/search/*",
        "http://*.dmm.co.jp/digital/*",
        "http://*.dmm.co.jp/detail/*",
        "http://*.dmm.co.jp/mono/*",
        "http://*.dmm.co.jp/monthly/*",
        "http://*.dmm.co.jp/rental/*",
        "http://*.dmm.com/digital/*",
        "http://*.dmm.com/detail/*",
        "http://*.dmm.com/mono/*",
        "http://*.dmm.com/monthly/*",
        "http://*.dmm.com/rental/*",
        "https://*.dmm.co.jp/digital/*",
        "https://*.dmm.co.jp/detail/*",
        "https://*.dmm.co.jp/mono/*",
        "https://*.dmm.co.jp/monthly/*",
        "https://*.dmm.co.jp/rental/*",
        "https://*.dmm.com/digital/*",
        "https://*.dmm.com/detail/*",
        "https://*.dmm.com/mono/*",
        "https://*.dmm.com/monthly/*",
        "https://*.dmm.com/rental/*",
        "http://www.dmm.co.jp/dc/*",
        "http://www.dmm.com/dc/*",
        "https://www.dmm.co.jp/dc/*",
        "https://www.dmm.com/dc/*",
        "http://www.yodobashi.com/*/pd/*",
        "http://www.yodobashi.com/product/*",
        "https://www.yodobashi.com/*/pd/*",
        "https://www.yodobashi.com/product/*",
        "http://www.yodobashi.com/category/*/?word=*",
        "https://www.yodobashi.com/category/*/?word=*",
        "http://www.yodobashi.com/?word=*",
        "https://www.yodobashi.com/?word=*",
        "http://shopping.bookoff.co.jp/used/*",
        "http://shopping.bookoff.co.jp/new/*",
        "https://shopping.bookoff.co.jp/used/*",
        "https://shopping.bookoff.co.jp/new/*",
        "http://shopping.bookoff.co.jp/search/*",
        "https://shopping.bookoff.co.jp/search/*",
        "https://jp.mercari.com/item/*",
        "https://jp.mercari.com/search*",
        "https://paypayfleamarket.yahoo.co.jp/item/*",
        "https://paypayfleamarket.yahoo.co.jp/search/*",
        "https://www.1999.co.jp/*",
        "https://www.hobbystock.jp/item/view/*",
        "https://www.hobbystock.jp/groups?*",
        "https://tokyofigure.jp/products/detail/*",
        "https://tokyofigure.jp/products/list?name=*",
        "https://www.mint-mall.net/products/detail.php?*",
        "https://www.mint-mall.net/products/list.php?*",
        "https://www.qoo10.jp/item/*",
        "https://www.qoo10.jp/s/*",
        "https://www.tcgmp.jp/product/detail?*",
        "https://www.tcgmp.jp/product/?*",
        "https://www.toretoku.jp/item/details/*",
        "https://www.toretoku.jp/item?*"
      ],
      "js": [
        "injector.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://www.suruga-ya.jp/pcmypage/action_sell_search",
        "https://www.suruga-ya.jp/pcmypage/action_sell_search?*"
      ],
      "css": [
        "css/purchase_import_index.css"
      ],
      "js": [
        "purchase_import_index.js"
      ]
    },
    {
      "matches": [
        "https://www.suruga-ya.jp/pcmypage/action_sell_search/detail?trade_code=*"
      ],
      "css": [
        "css/purchase_import_detail.css"
      ],
      "js": [
        "purchase_import_detail.js"
      ]
    },
    {
      "matches": [
        "http://www.suruga-ya.jp/search*",
        "https://www.suruga-ya.jp/search*"
      ],
      "css": [
        "css/surugayaSearch.css"
      ],
      "js": [
        "surugayaSearch.js"
      ]
    },
    {
      "matches": [
        "http://www.suruga-ya.jp/product/*",
        "https://www.suruga-ya.jp/product/*"
      ],
      "css": [
        "css/surugayaProduct.css",
        "css/surugayaInsight.css"
      ],
      "js": [
        "surugayaProduct.js",
        "surugayaInsight.js"
      ]
    },
    {
      "matches": [
        "https://www.suruga-ya.jp/kaitori_detail/*"
      ],
      "css": [
        "css/surugayaSale.css"
      ],
      "js": [
        "surugayaSale.js"
      ]
    },
    {
      "matches": [
        "http://www.suruga-ya.jp/cargo/detail",
        "https://www.suruga-ya.jp/cargo/detail",
        "http://www.suruga-ya.jp/cargo/detail?*",
        "https://www.suruga-ya.jp/cargo/detail?*"
      ],
      "js": [
        "vendor/sorttable.js",
        "cart.js"
      ]
    },
    {
      "matches": [
        "https://surugaya-cheki.com/*"
      ],
      "js": [
        "cheki.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4cb0278a-aa4b-4ca5-a278-e5dcceaae717}"
    }
  }
}