Log errors

.gitignore

@@ -0,0 +1,2 @@
+*.zip
+*.xpi

dialog.js

@@ -3,6 +3,13 @@ if (window.browser === undefined) {
 	window.browser = window.chrome;
 }
 
+function errorLogger(action) {
+	function log(error) {
+		console.log(`Error: ${action}:`, error);
+	}
+	return log;
+}
+
 function createRedirect(id, from, transform) {
 	return {
 		id: id,
@@ -28,11 +35,11 @@ function updateRedirects(settings) {
 		transform.password = settings.password;
 	}
 	const redirects = [];
-	if (settings.enabled) {
+	if (settings.enabled && settings.instance !== '') {
 		redirects.push(createRedirect(1, '||twitter.com', transform));
 		redirects.push(createRedirect(2, '||x.com', transform));
 	}
-	browser.declarativeNetRequest.updateDynamicRules({
+	return browser.declarativeNetRequest.updateDynamicRules({
 		addRules: redirects,
 		removeRuleIds: [1, 2],
 	});
@@ -55,8 +62,11 @@ function setupSettingsForm(settings) {
 			settings.instance = instance.value;
 			settings.username = username.value;
 			settings.password = password.value;
-			browser.storage.local.set(settings);
-			updateRedirects(settings);
+			browser.storage.local.set(settings)
+				.then(
+					() => updateRedirects(settings),
+					errorLogger('browser.storage.local.set')
+				).catch(errorLogger('updateRedirects'));
 		});
 	}
 }
@@ -66,4 +76,4 @@ browser.storage.local.get({
 	instance: '',
 	username: '',
 	password: '',
-}).then(setupSettingsForm);
+}).then(setupSettingsForm, errorLogger('browser.storage.local.get'));