Added copy debug information to clipboard options element.

src/options.ts

@@ -1,4 +1,6 @@
 import Config from "./config";
+import * as CompileConfig from "../config.json";
+
 // Make the config public for debugging purposes
 (<any> window).SB = Config;
 
@@ -126,6 +128,16 @@ async function init() {
                         invidiousInstanceAddInit(<HTMLElement> optionsElements[i], privateTextChangeOption);
                 }
 
+                break;
+            case "button-press":
+                let actionButton = optionsElements[i].querySelector(".trigger-button");
+
+                switch(optionsElements[i].getAttribute("sync-option")) {
+                    case "copyDebugInformation":
+                        actionButton.addEventListener("click", copyDebugOutputToClipboard);
+                        break;
+                }
+
                 break;
             case "keybind-change":
                 let keybindButton = optionsElements[i].querySelector(".trigger-button");
@@ -433,3 +445,32 @@ function validateServerAddress(input: string): string {
 
     return input;
 }
+
+function copyDebugOutputToClipboard() {
+    // Build output debug information object
+    let output = {
+        debug: {
+            userAgent: navigator.userAgent,
+            platform: navigator.platform,
+            language: navigator.language,
+            extensionVersion: chrome.runtime.getManifest().version
+        },
+        config: JSON.parse(JSON.stringify(Config.localConfig)) // Deep clone config object
+    };
+    
+    // Sanitise sensitive user config values
+    delete output.config.userID;
+    output.config.serverAddress = (output.config.serverAddress === CompileConfig.serverAddress) 
+        ? "Default server address" : "Custom server address";
+    output.config.invidiousInstances = output.config.invidiousInstances.length;
+    output.config.whitelistedChannels = output.config.whitelistedChannels.length;
+
+    // Copy object to clipboard
+    navigator.clipboard.writeText(JSON.stringify(output, null, 4))
+      .then(() => {
+        alert(chrome.i18n.getMessage("copyDebugInformationComplete"));
+      })
+      .catch(err => {
+        alert(chrome.i18n.getMessage("copyDebugInformationFailed"));
+      });;
+}