Search through assignments in Google Classroom and return as an alert in JavaScript.

SearchAssignments.js

function checkForActiveAssignment() {
  var activeClass = document.evaluate(
    "//div[@class='hrUpcomingAssignmentGroup']//..//..//..//div//div//div",
    document,
    null,
    XPathResult.FIRST_ORDERED_NODE_TYPE,
    null
  ).singleNodeValue;
  // i.e.
  // activeClass = (class name, i.e. "AP Physics 1")

  // check if <div class="hrUpcomingAssignmentGroup"> is active
  // if it is, send a notification
  // if it is not, do nothing
  var activeAssignment = document.evaluate(
    "//div[@class='hrUpcomingAssignmentGroup']",
    document,
    null,
    XPathResult.FIRST_ORDERED_NODE_TYPE,
    null
  ).singleNodeValue;
  // i.e.
  // activeAssignment = (homework name, i.e. "Packet pages 21 & 22")

  // find the class that activeAssignment was found in
  // if it is found, send a notification
  // if it is not found, do nothing
  var dueDate = document.evaluate(
    "*//div[@class='hrUpcomingAssignmentGroup']//..//h2",
    document,
    null,
    XPathResult.FIRST_ORDERED_NODE_TYPE,
    null
  ).singleNodeValue;
  // i.e.
  // dueDate = Due Tomorrow

  // check if there is another class a.k.a. another node
  // if there is, send another notification
  // if there is not, do nothing
  
  
  // Find each & traverse using href
  //
  if (activeClass != null && activeAssignment != null && dueDate != null) {
    // there is an active class
    // send a notification
    alert(
      "Assignment found! \n" +
        "\n" +
        dueDate.innerText +
        "\n" +
        activeAssignment.innerText +
        "\n" +
        activeClass.innerText
    );
    // check if there is another assignment
    // if there is, send another notification
    // if there is not, do nothing
  }
}

checkForActiveAssignment();