added script

dist/twitch-click-mute.user.js

@@ -0,0 +1,22 @@
+// ==UserScript==
+// @name         twitch click to mute
+// @namespace    zomo.dev
+// @match        https://www.twitch.tv/*
+// @version      1.0
+// @description  click to mute/unmute
+// @downloadURL  https://git.zomo.dev/zomo/browser-scripts/raw/branch/main/dist/twitch-click-mute.zomo.js
+// @supportURL   https://git.zomo.dev/zomo/browser-scripts/issues
+// @homepageURL  https://git.zomo.dev/zomo/browser-scripts
+// ==/UserScript==
+// scripts/twitch-click-mute/main.ts
+addEventListener("load", () => {
+  document.body.addEventListener("click", (e) => {
+    let target = e.target;
+    if (target && target.getAttribute("data-a-target") === "player-overlay-click-handler") {
+      let video = document.querySelector("video");
+      if (video) {
+        video.muted = !video.muted;
+      }
+    }
+  });
+});

scripts/twitch-click-mute/main.ts

@@ -0,0 +1,15 @@
+addEventListener('load', () => {
+    document.body.addEventListener('click', e => {
+        let target = e.target as HTMLElement | null
+        if (
+            target &&
+            target.getAttribute('data-a-target') ===
+                'player-overlay-click-handler'
+        ) {
+            let video = document.querySelector('video')
+            if (video) {
+                video.muted = !video.muted
+            }
+        }
+    })
+})

scripts/twitch-click-mute/meta.json

@@ -0,0 +1,8 @@
+{
+    "$schema": "../meta.schema.json",
+    "name": "twitch click to mute",
+    "namespace": "zomo.dev",
+    "match": "https://www.twitch.tv/*",
+    "version": "1.0",
+    "description": "click to mute/unmute"
+}

scripts/twitch-click-mute/tsconfig.json

@@ -0,0 +1,13 @@
+{
+    "compilerOptions": {
+        "target": "es2020",
+        "module": "commonjs",
+        "esModuleInterop": true,
+        "forceConsistentCasingInFileNames": true,
+        "skipLibCheck": true,
+        "strict": true,
+        "noImplicitReturns": true,
+        "noUnusedLocals": true,
+        "noUnusedParameters": true
+    }
+}