Spoof Timezone

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "version": "0.4.1",
  "name": "Spoof Timezone",
  "description": "Change the time zone setting for web pages in the browser to a randomly selected or user-specified time zone.",
  "homepage_url": "https://webextension.org/listing/spoof-timezone.html",
  "permissions": [
    "storage",
    "scripting",
    "webNavigation",
    "contextMenus",
    "notifications"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "icons": {
    "16": "/data/icons/16.png",
    "32": "/data/icons/32.png",
    "48": "/data/icons/48.png",
    "64": "/data/icons/64.png",
    "128": "/data/icons/128.png",
    "256": "/data/icons/256.png",
    "512": "/data/icons/512.png"
  },
  "action": {},
  "background": {
    "service_worker": "worker.js"
  },
  "options_ui": {
    "page": "/data/options/index.html"
  },
  "content_scripts": [
    {
      "world": "MAIN",
      "matches": [
        "*://*/*"
      ],
      "match_about_blank": true,
      "match_origin_as_fallback": true,
      "all_frames": true,
      "run_at": "document_start",
      "js": [
        "/data/inject/main.js"
      ]
    },
    {
      "world": "ISOLATED",
      "matches": [
        "*://*/*"
      ],
      "match_about_blank": true,
      "match_origin_as_fallback": true,
      "all_frames": true,
      "run_at": "document_start",
      "js": [
        "/data/inject/isolated.js"
      ]
    }
  ]
}