Is Gatsby?

Tell if a page is built using Gatsby A small extension to tell if a site/page is built using Gatsby. Extension icon shows up in Gatsby's purple color if the page appears to be built using Gatsby and grayed out if it's not.

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manifest.json

{
  "manifest_version": 2,
  "name": "Is Gatsby?",
  "version": "1.2resigned1",
  "description": "Tell if a page is built using Gatsby",
  "homepage_url": "https://github.com/tsriram/is-gatsby",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png"
  },
  "applications": {
    "gecko": {
      "id": "[email protected]"
    }
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "permissions": [
    "file:///*",
    "http://*/*",
    "https://*/*"
  ],
  "page_action": {
    "default_icon": "icons/icon32.png",
    "default_title": "This page doesn't appear to be built with Gatsby :("
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/check-gatsby.js"
      ],
      "run_at": "document_end"
    }
  ],
  "author": "Sriram Thiagarajan"
}