Slack Deleter

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "1.14.2",
  "name": "Slack Deleter",
  "manifest_version": 3,
  "description": "elegantly delete slack messages",
  "action": {
    "default_title": "Slack Deleter",
    "default_popup": "deleter-popup.html"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "js/inject.bundle.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "icons": {
    "16": "img/icon-16.png",
    "48": "img/icon-48.png",
    "128": "img/icon-128.png"
  },
  "background": {
    "service_worker": "js/background.bundle.js"
  },
  "content_scripts": [
    {
      "persistent": true,
      "matches": [
        "https://*.slack.com/*"
      ],
      "js": [
        "js/content.bundle.js"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "https://slackext.com/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; connect-src https://slackext.com https://ssl.google-analytics.com/; style-src * 'unsafe-inline' 'self' blob:; img-src * 'self' data: https:;"
  }
}