Print mode for Brightspace Contents and Assignments

brightspace-assignment-print-mode.js

function setPrintMode(on) {
  let hidden = on;

  document
    .querySelector(
      "#d2l_body > header > nav > d2l-navigation > d2l-navigation-main-header"
    )
    .shadowRoot.querySelector("div").hidden = hidden;
  document
    .querySelector(
      "#d2l_body > header > nav > d2l-navigation > d2l-navigation-main-footer"
    )
    .shadowRoot.querySelector("div").hidden = hidden;
  document.querySelector("#z_g").hidden = hidden;
  document.querySelector("#d2l_form > div > h2").hidden = hidden;
  document.querySelector("#d2l_form > div > table").hidden = hidden;
  document.querySelector("#d_content_r > d2l-floating-buttons").hidden = hidden;
}

setPrintMode(true);
window.print();
setPrintMode(false);

brightspace-content-print-mode.js

function setPrintMode(on) {
    document.querySelector("div.navigation-container").style.display = on ? "none" : "block";
    document.querySelector("#content-header").style.display = on ? "none" : "block";
    let contentPanel = document.querySelector("#root-wrapper > div.main-wrapper > div.root > div.main > div.content-panel");
    contentPanel.style.position = on ? "initial" : "absolute";
    contentPanel.style.height = on ? "auto" : "";
    contentPanel.style.left = on ? "0" : "";
    contentPanel.style.width = on ? "100%" : "";
    document.querySelector("#content-block").style['overflowY'] = on ? "visible" : "auto";
}

setPrintMode(true)
window.print()
setPrintMode(false)