Hide courses that are not on your shortlist in the Oscar Look-up Classes Advanced Search

GaTechOscarCourseFilter.js

// ==UserScript==
// @name         GaTech Oscar Course Filter
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Hide courses that are not on your shortlist in the Oscar Look-up Classes Advanced Search
// @author       aspike3
// @match        https://oscar.gatech.edu/bprod/*
// @icon         https://www.google.com/s2/favicons?domain=gatech.edu
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    if(window.location.href == 'https://oscar.gatech.edu/bprod/bwskfcls.P_GetCrse'){
        // Fill in default OMSCS options on Advanced Search page
        let opt;

        const subj = document.getElementById('subj_id');
        for(opt of subj.options){
            if(opt.value === 'CS' || opt.value === 'CSE'){
                opt.selected = true;
            }else{
                opt.selected = false;
            }
        }
        const camp = document.getElementById('camp_id');
        for(opt of camp.options){
            if(opt.value === 'O'){
                opt.selected = true;
            }else{
                opt.selected = false;
            }
        }
    }else if(window.location.href == 'https://oscar.gatech.edu/bprod/bwskfcls.P_GetCrse_Advanced'){
        // Filter courses on Look-Up Classes to Add page
        const SUBJ = 5;
        const CRSE = 7;

        const courseList = new Set([
            // Edit course list below
            'CS 6035',
            'CSE 6742'
            // Edit course list above
        ]);

        let row;
        let courseName;
        const tds = document.querySelectorAll('table.datadisplaytable > tbody > tr > td.dddefault:first-child');
        for (const td of tds){
            row = td.parentNode;
            courseName = row.childNodes[SUBJ].textContent + ' ' + row.childNodes[CRSE].textContent;
            if(!courseList.has(courseName)){
                row.style.display = 'none';
            }
        }
    }
})();