userscript...

config-overrides.js

@@ -20,9 +20,15 @@ const banner = `// ==UserScript==
 // @grant         GM_xmlhttpRequest
 // @grant         GM.xmlhttpRequest
 // @grant         GM_setValue
-// @grant         GM_getValue
 // @grant         GM.setValue
+// @grant         GM_getValue
 // @grant         GM.getValue
+// @grant         GM_deleteValue
+// @grant         GM.deleteValue
+// @grant         GM_addValueChangeListener
+// @grant         GM.addValueChangeListener
+// @grant         GM_removeValueChangeListener
+// @grant         GM.removeValueChangeListener
 // @connect       translate.googleapis.com
 // @connect       api-edge.cognitive.microsofttranslator.com
 // @connect       edge.microsoft.com

src/hooks/Storage.js

@@ -72,7 +72,10 @@ export function StoragesProvider({ children }) {
       if (isExt) {
         browser.storage.onChanged.removeListener(handleChanged);
       } else if (isGm) {
-        window.GM.removeValueChangeListener(handleChanged);
+        (
+          window.GM_removeValueChangeListener ||
+          window.GM.removeValueChangeListener
+        )(handleChanged);
       } else {
         window.removeEventListener("storage", handleChanged);
       }

src/libs/fetch.js

@@ -16,7 +16,7 @@ import {
 const fetchGM = async (input, { method = "GET", headers, body } = {}) =>
   new Promise((resolve, reject) => {
     try {
-      window.GM_xmlhttpRequest({
+      (window.GM_xmlhttpRequest || window.GM.xmlhttpRequest)({
         method,
         url: input,
         headers,

src/libs/storage.js

@@ -4,7 +4,7 @@ async function set(key, val) {
   if (isExt) {
     await browser.storage.local.set({ [key]: val });
   } else if (isGm) {
-    await window.GM.setValue(key, val);
+    await (window.GM_setValue || window.GM.setValue)(key, val);
   } else {
     const oldValue = window.localStorage.getItem(key);
     window.localStorage.setItem(key, val);
@@ -24,7 +24,7 @@ async function get(key) {
     const val = await browser.storage.local.get([key]);
     return val[key];
   } else if (isGm) {
-    const val = await window.GM.getValue(key);
+    const val = await (window.GM_getValue || window.GM.getValue)(key);
     return val;
   }
   return window.localStorage.getItem(key);
@@ -34,7 +34,7 @@ async function del(key) {
   if (isExt) {
     await browser.storage.local.remove([key]);
   } else if (isGm) {
-    await window.GM.deleteValue(key);
+    await (window.GM_deleteValue || window.GM.deleteValue)(key);
   } else {
     const oldValue = window.localStorage.getItem(key);
     window.localStorage.removeItem(key);
@@ -77,7 +77,10 @@ function onChanged(handleChanged) {
   if (isExt) {
     browser.storage.onChanged.addListener(handleChanged);
   } else if (isGm) {
-    window.GM.addValueChangeListener("storage", handleChanged);
+    (window.GM_addValueChangeListener || window.GM.addValueChangeListener)(
+      "storage",
+      handleChanged
+    );
   } else {
     window.addEventListener("storage", handleChanged);
   }