add reset settings option

public/_locales/en/messages.json

@@ -947,5 +947,14 @@
     },
     "openOptionsPage": {
         "message": "Open options page"
+    },
+    "resetToDefault": {
+        "message": "Reset to default"
+    },
+    "confirmResetToDefault": {
+        "message": "Are you sure you want to reset all settings to their default values? This cannot be undone."
+    },
+    "whatResetToDefault": {
+       "message": "This resets all settings to their default values." 
     }
 }

public/options/options.html

@@ -368,6 +368,14 @@
 					</div>
 				</div>
 
+				<div data-type="button-press" data-sync="resetToDefault" data-confirm-message="confirmResetToDefault">
+					<div class="option-button trigger-button">
+						__MSG_resetToDefault__
+					</div>
+	
+					<div class="small-description">__MSG_whatResetToDefault__</div>
+				</div>
+
 			</div>
 
 			<div id="advanced" class="option-group hidden">

src/config.ts

@@ -113,6 +113,7 @@ export interface SBObject {
     local: SBStorage;
     forceSyncUpdate(prop: string): void;
     forceLocalUpdate(prop: string): void;
+    resetToDefault(): void;
 }
 
 const Config: SBObject = {
@@ -289,7 +290,8 @@ const Config: SBObject = {
     config: null,
     local: null,
     forceSyncUpdate,
-    forceLocalUpdate
+    forceLocalUpdate,
+    resetToDefault
 };
 
 // Function setup
@@ -522,6 +524,10 @@ function addDefaults() {
     }
 }
 
+function resetToDefault() {
+    chrome.storage.sync.set(Config.syncDefaults);
+}
+
 // Sync config
 setupConfig();
 

src/options.ts

@@ -232,12 +232,22 @@ async function init() {
             }
             case "button-press": {
                 const actionButton = optionsElements[i].querySelector(".trigger-button");
+                const confirmMessage = optionsElements[i].getAttribute("data-confirm-message");
 
-                switch(optionsElements[i].getAttribute("data-sync")) {
+                actionButton.addEventListener("click", () => {
+                    if (confirmMessage !== null && !confirm(chrome.i18n.getMessage(confirmMessage))) {
+                        return;
+                    }
+                    switch (optionsElements[i].getAttribute("data-sync")) {
                         case "copyDebugInformation":
-                        actionButton.addEventListener("click", copyDebugOutputToClipboard);
+                            copyDebugOutputToClipboard();
+                            break;
+                        case "resetToDefault":
+                            Config.resetToDefault();
+                            window.location.reload();
                             break;
                     }
+                });
 
                 break;
             }