Examine source code of JShelter

{
  "author": "Libor Polčák, Giorgio Maone, Martin Timko, Pavel Pohner, Peter Horňák, Matúš Švancár, Marek Saloň, Martin Bednář, Radek Hranický, Martin Zmitko",
  "background": {
    "scripts": [
      "nscl/lib/browser-polyfill.js",
      "nscl/service/TabCache.js",
      "nscl/service/NavCache.js",
      "nscl/service/DocStartInjection.js",
      "nscl/common/CachedStorage.js",
      "nscl/common/log.js",
      "nscl/common/uuid.js",
      "nscl/common/SyncMessage.js",
      "nscl/common/tld.js",
      "lib/sha256.js",
      "helpers.js",
      "url.js",
      "session_hash.js",
      "update.js",
      "levels_browser.js",
      "settings_tweaks.js",
      "levels.js",
      "fp_levels.js",
      "fp_detect_background.js",
      "background.js",
      "level_cache.js",
      "http_shield_firefox.js",
      "http_shield_common.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "img/icon-16.png",
      "32": "img/icon-32.png",
      "48": "img/icon-48.png",
      "64": "img/icon-64.png",
      "96": "img/icon-96.png",
      "128": "img/icon-128.png",
      "256": "img/icon-256.png",
      "512": "img/icon-512.png"
    },
    "default_title": "JShelter",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "match_about_blank": true,
      "js": [
        "nscl/common/uuid.js",
        "nscl/common/SyncMessage.js",
        "nscl/content/patchWindow.js",
        "lib/sha256.js",
        "alea.js",
        "crc16.js",
        "helpers.js",
        "wrapping.js",
        "wrappingL-CANVAS.js",
        "wrappingL-SENSOR.js",
        "wrappingS-AJAX.js",
        "wrappingS-BATTERY-CR.js",
        "wrappingS-BE.js",
        "wrappingS-COOP-SCHEDULING.js",
        "wrappingS-DM.js",
        "wrappingS-DOM.js",
        "wrappingS-ECMA-ARRAY.js",
        "wrappingS-ECMA-DATE.js",
        "wrappingS-ECMA-SHARED.js",
        "wrappingS-EME.js",
        "wrappingS-GEO.js",
        "wrappingS-GP.js",
        "wrappingS-H-C.js",
        "wrappingS-HRT.js",
        "wrappingS-HTML.js",
        "wrappingS-HTML-LS.js",
        "wrappingS-HTML5.js",
        "wrappingS-IDLE.js",
        "wrappingS-MCS.js",
        "wrappingS-MEDIA-CAPABILITIES.js",
        "wrappingS-NET.js",
        "wrappingS-NFC.js",
        "wrappingS-NP.js",
        "wrappingS-PT2.js",
        "wrappingS-SENSOR-ACCEL.js",
        "wrappingS-SENSOR-GYRO.js",
        "wrappingS-SENSOR.js",
        "wrappingS-SENSOR-LIGHT.js",
        "wrappingS-SENSOR-MAGNET.js",
        "wrappingS-SENSOR-ORIENT.js",
        "wrappingS-TEMPORAL.js",
        "wrappingS-VR.js",
        "wrappingS-WEBA.js",
        "wrappingS-WEBGL.js",
        "wrappingS-XR.js",
        "code_builders.js",
        "fp_code_builders.js",
        "document_start.js"
      ],
      "run_at": "document_start"
    }
  ],
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "homepage_url": "https://JShelter.org",
  "icons": {
    "16": "img/icon-16.png",
    "32": "img/icon-32.png",
    "48": "img/icon-48.png",
    "64": "img/icon-64.png",
    "96": "img/icon-96.png",
    "128": "img/icon-128.png",
    "256": "img/icon-256.png",
    "512": "img/icon-512.png"
  },
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "content_security_policy": "default-src 'none'; script-src 'self'; connect-src 'self'; img-src 'self' data:; style-src 'self';base-uri 'self';form-action 'self'",
  "permissions": [
    "storage",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "webNavigation",
    "dns",
    "<all_urls>",
    "notifications"
  ],
  "optional_permissions": [
    "browsingData"
  ],
  "short_name": "JShelter",
  "version": "0.23.1",
  "browser_specific_settings": {
    "gecko": {
      "id": "jsr@javascriptrestrictor",
      "strict_min_version": "115.0"
    },
    "gecko_android": {}
  }
}