courses-aalto-better-filters

The Aalto University course listing in https://courses.aalto.fi offers quite poor options for filtering which courses are shown. This extension adds filtering by course code prefix and by the period in which the course is held.

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manifest.json

{
  "manifest_version": 3,
  "name": "courses-aalto-better-filters",
  "version": "1.2",
  "author": "Miska Tammenpää",
  "description": "A browser extension to improve the filtering system in courses.aalto.fi.",
  "icons": {
    "48": "bdollar.svg",
    "96": "bdollar.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2cf32227-6fd3-43a1-91d2-d2d0c90b9f56}"
    },
    "gecko_android": {
      "id": "{63c728b4-bd08-4b63-be4b-d8221e8b1b0c}"
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "webRequestFilterResponse"
  ],
  "host_permissions": [
    "https://courses.aalto.fi/s/sfsites/*"
  ],
  "background": {
    "scripts": [
      "filter-request.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://courses.aalto.fi/s/*"
      ],
      "js": [
        "better-filters.js"
      ],
      "css": [
        "filters.css"
      ],
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "plus.svg",
        "minus.svg"
      ],
      "matches": [
        "https://courses.aalto.fi/s/*"
      ]
    }
  ]
}