core double counts

core-double-counts.js

// Run this on the Core Curriculum page
// Gather courses by section
courses = new Map();
document.querySelectorAll('.acalog-course').forEach(x => {
  let name = x.textContent;
  let section = x.closest('.acalog-core').querySelector('h3, h4').textContent;
  console.log(name, section);
	if (!courses.has(name)) {courses.set(name, [])}
  courses.get(name).push(section);
});

// Note multi-listings
document.querySelectorAll('.acalog-course').forEach(x => {
  let name = x.textContent;
  let section = x.closest('.acalog-core').querySelector('h3, h4').textContent;
  let others = []
  courses.get(name).forEach(otherSection => {
    if (section !== otherSection) {
      others.push(otherSection);
    }
  });
  if (others.length > 0) {
    console.log("Multi:", name, section, others.join(', '));
    let elt = document.createElement('span');
    elt.appendChild(document.createTextNode(" also in " + others.join(', ') ));
    elt.style.fontSize = '75%';
    elt.style.color = "#97252b"; // maroon
    x.appendChild(elt);
  }
});