Update: Do not use the function that returns function

src/class/Moodle/DisableRainbow.ts

@@ -0,0 +1,18 @@
+import { RemoveRainbowBg } from "../../utils/AddClass";
+import changeQueryInnerHTML from "../../utils/ChangeQueryInnerHTML";
+import GundaiWebSite from "../GundaiWebsite";
+import { MoodleAdditionalInfo } from "./type";
+
+export const DisableRainbowFunc = function (this: GundaiWebSite<MoodleAdditionalInfo>) {
+    changeQueryInnerHTML(["#instance-320-header"], "現在のログイン人数");
+    RemoveRainbowBg(".navbar", ".addinghtml");
+    RemoveRainbowBg(".page-header-headings h1");
+    RemoveRainbowBg("a");
+
+    const headerText = this.AdditionalInfo.headerText;
+    document.querySelectorAll(".page-header-headings h1").forEach((e) => {
+        if (e.innerHTML.includes(headerText)) e.innerHTML.replace(headerText, "");
+    });
+};
+
+export default DisableRainbowFunc;

src/class/Moodle/EnableRainbow.ts

@@ -0,0 +1,32 @@
+import { addRainbowBg, addRainbowText } from "../../utils/AddClass";
+import changeQueryInnerHTML from "../../utils/ChangeQueryInnerHTML";
+import GundaiWebSite from "../GundaiWebsite";
+import { MoodleAdditionalInfo } from "./type";
+
+export const EnableRainbowFunc = function (this: GundaiWebSite<MoodleAdditionalInfo>) {
+    const headerText = this.AdditionalInfo.headerText;
+    document.querySelectorAll(".page-header-headings h1").forEach((e) => {
+        if (!e.innerHTML.includes(headerText)) e.innerHTML = e.innerHTML + headerText;
+    });
+
+    changeQueryInnerHTML(["#instance-320-header"], "現在のプレイ人数");
+    addRainbowBg(".navbar", ".addinghtml");
+    addRainbowText(".page-header-headings h1");
+    addRainbowText("a");
+
+    document.querySelectorAll(".logo").forEach((e) => {
+        if (e.getAttribute("src")) e.setAttribute("src", chrome.runtime.getURL("assets/GULMS.png"));
+    });
+
+    document.querySelectorAll("img.userpicture").forEach((e) => {
+        if (e.getAttribute("src")) e.setAttribute("src", chrome.runtime.getURL("assets/partyparrot.gif"));
+    });
+
+    const supportSection = document.querySelector(".footer-support-link");
+    if (supportSection)
+        supportSection.innerHTML =
+            supportSection.innerHTML +
+            `<a href="https://twitter.com/Hayao0819" target="blank" class="rainbow-text">Gaming Edition開発者に連絡する<i class="icon fa fa-external-link fa-fw ml-1" aria-hidden="true"></i></a>`;
+};
+
+export default EnableRainbowFunc;

src/class/Moodle/index.ts

@@ -1,11 +1,11 @@
 // 情報の信頼性は社会の構築において重要な要素である
 // 個人の信頼性は家庭の構築において重要な要素である
 import GundaiWebSite from "../GundaiWebsite";
-import DisableRainbowFunc from "./DisableRainbowFunc";
-import EnableRainbowFunc from "./EnableRainbowFunc";
+import DisableRainbow from "./DisableRainbow";
+import EnableRainbow from "./EnableRainbow";
 import { MoodleAdditionalInfo } from "./type";
 
 export const Moodle = new GundaiWebSite<MoodleAdditionalInfo>();
 Moodle.AdditionalInfo.headerText = " Gaming Edition🎮";
-Moodle.EnableRainbow = EnableRainbowFunc(Moodle);
-Moodle.DisableRainbow = DisableRainbowFunc(Moodle);
+Moodle.EnableRainbow = EnableRainbow;
+Moodle.DisableRainbow = DisableRainbow;