Canvas Dashboard Grades

Modern alternative to the Canvas Dashboard Grades extension.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Canvas Dashboard Grades
// @namespace    https://xela.codes
// @version      2025-01-07
// @description  Modern alternative to the Canvas Dashboard Grades extension.
// @author       Alex
// @match        https://*.instructure.com/
// @icon         https://lh3.googleusercontent.com/kA8gaN8ouFmWN-A224OZoB7mR_YpqQuWqeMUcuATLT1DBVecjfD5arRhIvl0rQ17-LoeVump_yWWVmjKKmjc1kQDKbE=s60
// @grant        none
// @run-at       document-end
// ==/UserScript==

(async function () {
  "use strict";

  const enrolledCourses = await fetch(
    location.protocol +
      "//" +
      location.host +
      location.pathname +
      "api/v1/courses?include[]=total_scores&per_page=100&enrollment_state=active",
    {
      method: "GET",
      credentials: "include",
      headers: {
        Accept: "application/json",
      },
    }
  ).then((res) => res.json());

  function doGrades() {
    enrolledCourses.forEach((course) => {
      /** course card header element */
      const courseCard = document.querySelector(
          `.ic-DashboardCard a[href="/courses/${course.id}"]`
        )?.parentElement,
        hero = courseCard?.querySelector(".ic-DashboardCard__header_hero"),
        /** course enrollment information (contains grade) */
        enrollment = course.enrollments?.slice(-1)[0];
      if (!courseCard || !hero || !enrollment)
        return console.error(`Failed to add grade for course ${course.name}.`);

      // use the course color for text
      const color = hero.style?.backgroundColor || "inherit";

      const title = document.createElement("span");
      title.classList.add("cdg-grade");
      title.style.color = color;
      title.style.background = "white";
      title.style.borderRadius = "99999px";
      title.style.opacity = "1";
      title.style.padding = "0.2rem 0.5rem";
      title.style.fontSize = title.style.lineHeight = "14px";
      title.style.display = "inline-block";
      title.style.position = "absolute";
      title.style.top = title.style.left = "0.35rem";
      title.style.fontWeight = "bold";
      title.innerText =
        // the enrollment contains the current grade
        enrollment.computed_current_score == null ? "N/A" : `${enrollment.computed_current_score}%`;
      courseCard.appendChild(title);

      // update the color if changed
      const observer = new MutationObserver((list) => {
        if (!title.parentElement) return;
        list.forEach((mut) => {
          if (mut.type == "attributes" && mut.attributeName == "style")
            title.style.color = hero.style.backgroundColor || "inherit";
        });
      });

      observer.observe(hero, { attributes: true });
    });
  }
  doGrades();

  // sometimes the page gets re-rendered, removing the grades
  // so we check every so often to make sure they're still there
  if (enrolledCourses?.length)
    setInterval(() => {
      if (!document.querySelector(".cdg-grade")) doGrades();
    }, 66);
})();