Examine source code of JournalLens

{
  "manifest_version": 3,
  "name": "JournalLens - Journal Credibility Checker",
  "version": "1.4",
  "description": "Check journal credibility scores instantly on Google Scholar, PubMed, and any webpage. Powered by JournalLens.",
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "https://journallens.info/*"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background/service-worker.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://journallens.info/*"
      ],
      "js": [
        "content-scripts/site-sso.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://scholar.google.com/*",
        "https://scholar.google.co.uk/*",
        "https://scholar.google.de/*",
        "https://scholar.google.fr/*",
        "https://scholar.google.se/*",
        "https://scholar.google.ca/*",
        "https://scholar.google.com.au/*",
        "https://scholar.google.co.in/*",
        "https://scholar.google.co.jp/*",
        "https://scholar.google.es/*",
        "https://scholar.google.it/*",
        "https://scholar.google.nl/*",
        "https://scholar.google.com.br/*",
        "https://scholar.google.ch/*",
        "https://scholar.google.at/*",
        "https://scholar.google.be/*",
        "https://scholar.google.pt/*",
        "https://scholar.google.pl/*",
        "https://scholar.google.dk/*",
        "https://scholar.google.no/*",
        "https://scholar.google.fi/*",
        "https://scholar.google.co.kr/*",
        "https://scholar.google.com.tw/*",
        "https://scholar.google.co.nz/*",
        "https://scholar.google.co.za/*",
        "https://scholar.google.com.sg/*",
        "https://scholar.google.com.hk/*",
        "https://scholar.google.ie/*",
        "https://scholar.google.com.tr/*",
        "https://scholar.google.com.mx/*",
        "https://scholar.google.ru/*",
        "https://scholar.google.gr/*",
        "https://scholar.google.cz/*",
        "https://scholar.google.hu/*",
        "https://scholar.google.ro/*",
        "https://scholar.google.co.il/*",
        "https://scholar.google.com.ar/*",
        "https://scholar.google.cl/*",
        "https://scholar.google.co.th/*"
      ],
      "js": [
        "content-scripts/scholar.js",
        "content-scripts/hovercard.js"
      ],
      "css": [
        "content-scripts/scholar.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://pubmed.ncbi.nlm.nih.gov/*"
      ],
      "js": [
        "content-scripts/pubmed.js",
        "content-scripts/hovercard.js"
      ],
      "css": [
        "content-scripts/scholar.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://ieeexplore.ieee.org/*",
        "https://*.sciencedirect.com/*",
        "https://*.springer.com/*",
        "https://*.springeropen.com/*",
        "https://www.nature.com/*",
        "https://*.wiley.com/*",
        "https://*.tandfonline.com/*",
        "https://*.sagepub.com/*",
        "https://pubs.acs.org/*",
        "https://www.mdpi.com/*",
        "https://*.oup.com/*",
        "https://www.cambridge.org/*",
        "https://iopscience.iop.org/*",
        "https://dl.acm.org/*",
        "https://www.frontiersin.org/*",
        "https://journals.plos.org/*",
        "https://www.jstor.org/*",
        "https://pmc.ncbi.nlm.nih.gov/*",
        "https://royalsocietypublishing.org/*",
        "https://www.pnas.org/*",
        "https://www.science.org/*",
        "https://www.bmj.com/*",
        "https://jamanetwork.com/*",
        "https://www.nejm.org/*",
        "https://www.thelancet.com/*",
        "https://www.cell.com/*",
        "https://www.embopress.org/*",
        "https://journals.aps.org/*",
        "https://www.degruyter.com/*",
        "https://www.emerald.com/*",
        "https://www.worldscientific.com/*",
        "https://karger.com/*",
        "https://www.annualreviews.org/*",
        "https://www.jstage.jst.go.jp/*",
        "https://www.scielo.br/*",
        "https://www.spiedigitallibrary.org/*"
      ],
      "js": [
        "content-scripts/generic.js",
        "content-scripts/hovercard.js"
      ],
      "css": [
        "content-scripts/scholar.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    },
    "default_title": "JournalLens"
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "firefox@journallens.info",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}