Examine source code of Roblox+

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "2.4.18",
  "name": "Roblox+",
  "short_name": "Roblox+",
  "description": "Adds features and notifiers made by WebGL3D to the Roblox website",
  "minimum_chrome_version": "74.0.0",
  "icons": {
    "16": "/images/icons/icon_16x16.png",
    "48": "/images/icons/icon_64x64.png",
    "128": "/images/icons/icon_128x128.png"
  },
  "background": {
    "page": "/background.html"
  },
  "content_scripts": [
    {
      "js": [
        "/js/jquery/style.js",
        "/js/jquery/loadStylesheets.js",
        "/js/vendors/jquery-3.4.1.min.js",
        "/js/jquery/styleAfterJquery.js"
      ],
      "matches": [
        "*://*.roblox.com/*"
      ],
      "all_frames": true,
      "run_at": "document_start"
    },
    {
      "js": [
        "/js/vendors/twemoji.min.js",
        "/js/vanilla/extension/extension.js",
        "/js/vanilla/extension/messaging.js",
        "/js/vanilla/extension/event.js",
        "/js/vanilla/extension/backgroundService.js",
        "/js/vanilla/extension/reload.js",
        "/js/vanilla/extension/notificationService.js",
        "/js/vanilla/extension/storage.js",
        "/js/vanilla/queuedPromise.js",
        "/js/vanilla/cachedPromise.js",
        "/js/archive/global.js",
        "/js/roblox/api.js",
        "/js/roblox/xsrfHandler.js",
        "/js/roblox/apiSiteContentHandler.js",
        "/js/archive/prefunc.js",
        "/js/vanilla/timedCache.js",
        "/js/vanilla/batchItemProcessor.js",
        "/js/vanilla/cursorPagination/cursorPaginationConstants.js",
        "/js/vanilla/cursorPagination/PaginationCache.js",
        "/js/vanilla/cursorPagination/CursorPager.js",
        "/js/vendors/react.production.min.js",
        "/js/vendors/react-dom.production.min.js",
        "/js/vendors/highcharts-8.0.0.min.js",
        "/js/plugins/HighchartsExtensions.js",
        "/js/output/react/vendors/HighchartsReact.js",
        "/js/roblox/thumbnails.js",
        "/js/roblox/users.js",
        "/js/roblox/presence.js",
        "/js/roblox/catalog.js",
        "/js/roblox/inventory.js",
        "/js/roblox/social.js",
        "/js/roblox/gameBadges.js",
        "/js/roblox/games.js",
        "/js/roblox/content.js",
        "/js/roblox/audio.js",
        "/js/roblox/trades.js",
        "/js/roblox/groups.js",
        "/js/roblox/economy.js",
        "/js/roblox/economyTransactions.js",
        "/js/roblox/privateMessages.js",
        "/js/roblox/ui.js",
        "/js/archive/preroblox.js",
        "/js/rplus/RobloxPlus.js",
        "/js/rplus/settings.js",
        "/js/rplus/sponsoredItems.js",
        "/js/rplus/premium.js",
        "/js/rplus/bucketedSales.js",
        "/js/rplus/robuxHistory.js",
        "/js/jquery/navigation.js"
      ],
      "css": [
        "/css/icons.css",
        "/css/style.css",
        "/css/roblox/itemCards.css",
        "/css/roblox/icons.css"
      ],
      "matches": [
        "*://*.roblox.com/*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "/js/jquery/content.js",
        "/js/output/react/features/notification-stream/notification-stream-widget.js",
        "/js/jquery/notificationStream.js",
        "/js/jquery/Login.js",
        "/js/jquery/GroupV2.js",
        "/js/jquery/Inventory.js",
        "/js/jquery/Friends.js",
        "/js/jquery/Profile.js",
        "/js/jquery/Game.js",
        "/js/jquery/Games.js",
        "/js/jquery/Item.js",
        "/js/jquery/Avatar.js",
        "/js/jquery/Catalog.js",
        "/js/jquery/Messages.js",
        "/js/jquery/DeveloperStats.js",
        "/js/jquery/loadPages.js"
      ],
      "css": [
        "/css/output/features/notification-stream-widget.css"
      ],
      "matches": [
        "*://www.roblox.com/*",
        "*://web.roblox.com/*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "/js/output/react/features/quick-info/quick-info-widget.js",
        "/js/output/react/features/quick-info/user-info/user-info-widget.js",
        "/js/output/react/features/quick-info/user-info/user-card.js",
        "/js/output/react/features/quick-info/user-info/user-inventory.js",
        "/js/output/react/features/quick-info/user-info/inventory-item-card.js",
        "/js/jquery/quickInfoBox.js"
      ],
      "css": [
        "/css/output/features/quick-info-widget.css"
      ],
      "matches": [
        "*://www.roblox.com/*",
        "*://web.roblox.com/*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "/js/output/react/components/vertical-tabs.js",
        "/js/output/react/components/pill-toggle.js",
        "/js/output/react/components/thumbnail.js",
        "/js/output/react/components/thumbnail-presence.js"
      ],
      "matches": [
        "*://*.roblox.com/*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "/js/output/react/pages/settings/settings-tab.js",
        "/js/output/react/pages/settings/about.js",
        "/js/output/react/pages/settings/navigation-settings.js",
        "/js/output/react/pages/settings/notification-settings.js",
        "/js/output/react/pages/settings/other-settings.js",
        "/js/output/react/pages/settings/settings.js"
      ],
      "css": [
        "/css/output/pages/settings.css"
      ],
      "matches": [
        "*://*.roblox.com/my/account*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "/js/output/react/pages/catalog/featuredItems.js"
      ],
      "css": [
        "/css/output/pages/catalog.css"
      ],
      "matches": [
        "*://*.roblox.com/catalog/*"
      ],
      "run_at": "document_end"
    },
    {
      "css": [
        "/css/output/pages/groups.css"
      ],
      "matches": [
        "*://*.roblox.com/groups/*/*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "/js/output/react/components/bucketed-sales-chart.js",
        "/js/output/react/pages/item-configuration/item-sales.js"
      ],
      "css": [
        "/css/output/pages/item-configuration.css",
        "/css/output/components/bucketed-sales-chart.css"
      ],
      "matches": [
        "*://*.roblox.com/catalog/configure*",
        "*://*.roblox.com/library/configure*",
        "*://*.roblox.com/game-pass/configure*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "/js/output/react/components/bucketed-sales-chart.js",
        "/js/output/react/pages/configure-group/revenue.js"
      ],
      "css": [
        "/css/output/components/bucketed-sales-chart.css"
      ],
      "matches": [
        "*://*.roblox.com/groups/configure*"
      ],
      "run_at": "document_end"
    },
    {
      "css": [
        "/css/output/pages/game-details.css"
      ],
      "matches": [
        "*://*.roblox.com/games/*/*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "/js/output/react/pages/item-details/item-details-tabs.js",
        "/js/output/react/pages/item-details/linked-items.js",
        "/js/output/react/pages/item-details/item-owners.js"
      ],
      "css": [
        "/css/output/pages/item-details.css"
      ],
      "matches": [
        "*://*.roblox.com/catalog/*/*",
        "*://*.roblox.com/library/*/*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "/js/output/react/pages/developer-stats/premium-payouts-summary.js"
      ],
      "matches": [
        "*://*.roblox.com/places/*/*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "/js/output/react/pages/money/robux-history-chart.js"
      ],
      "matches": [
        "*://*.roblox.com/transactions*"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_action": {
    "default_icon": {
      "19": "/images/icons/icon_32x32.png"
    },
    "default_title": "Roblox+"
  },
  "homepage_url": "https://www.roblox.com/my/account?tab=rplus",
  "permissions": [
    "gcm",
    "contextMenus",
    "webRequest",
    "webRequestBlocking",
    "tts",
    "notifications",
    "*://*.roblox.com/*",
    "*://*.rbxcdn.com/*",
    "*://*.roblox.plus/*"
  ],
  "web_accessible_resources": [
    "*.css",
    "*.svg",
    "*.png",
    "*.html",
    "*.js",
    "jquery.min.map",
    "/images/icons/icon_32x32.png",
    "*://*.roblox.com/*",
    "*://*.rbxcdn.com/*",
    "*://*.roblox.plus/*"
  ],
  "manifest_version": 2
}