Unminified version of the gist

GLGearNeeded unminified.js

var csv = $('.gl-gear-needed__ingredient-header-primary').map((i, gearDiv) => {
  var gearName = $(gearDiv).find('.gl-gear-needed__ingredient-header-name').text();
  var gearRemainingText = $(gearDiv).find('.gl-gear-needed__progress').attr('title');
  var matchResult = gearRemainingText.match(/(\d+) of (\d+)/);
  var assignedCount = matchResult[1];
  var totalCount = matchResult[2];
  return gearName + ',' + totalCount + ',' + assignedCount;
}).toArray().join('\n');
csv = "Name,Total,Assigned,Hoarded\n" + csv;
window.download(csv, "GLGearNeeded.csv", "text/csv");