Fix isAction type guard

src/renderer/lib/config-middleware.ts

@@ -5,7 +5,9 @@ import { isAction } from './helpers';
 export const configMiddleware: Middleware<{}, AppReduxState> =
 	(_store) => (next) => (action) => {
 		if (!isAction(action)) {
-			throw new Error('Invalid action dispatched');
+			throw new Error(
+				'Invalid action dispatched in config: ' + JSON.stringify(action)
+			);
 		}
 		switch (action.type) {
 			case 'SET_INITIAL_TOKEN':

src/renderer/lib/electron-middleware.ts

@@ -17,7 +17,9 @@ function scrollToTopNotification() {
 export const electronMiddleware: Middleware<{}, AppReduxState> =
 	(_store) => (next) => (action) => {
 		if (!isAction(action)) {
-			throw new Error('Invalid action dispatched');
+			throw new Error(
+				'Invalid action dispatched in electron: ' + JSON.stringify(action)
+			);
 		}
 		switch (action.type) {
 			case 'OPEN_URL':

src/renderer/lib/github-middleware.ts

@@ -13,7 +13,10 @@ export function createGitHubMiddleware(): Middleware<{}, AppReduxState> {
 
 	return (store) => (next) => (action) => {
 		if (!isAction(action)) {
-			throw new Error('Invalid action dispatched');
+			throw new Error(
+				'Invalid action dispatched in github controls: ' +
+					JSON.stringify(action)
+			);
 		}
 		switch (action.type) {
 			case 'MARK_NOTE_READ': {

src/renderer/lib/gitnews-fetcher.ts

@@ -30,8 +30,13 @@ let currentDemoNotifications = createDemoNotifications();
 export function createFetcher(): Middleware<{}, AppReduxState> {
 	const fetcher: Middleware<object, AppReduxState> =
 		(store) => (next) => (action) => {
-			if (!isAction(action) || !isDispatch(next)) {
-				throw new Error('Invalid action dispatched');
+			if (!isAction(action)) {
+				throw new Error(
+					'Invalid action dispatched in fetcher: ' + JSON.stringify(action)
+				);
+			}
+			if (!isDispatch(next)) {
+				throw new Error('Invalid dispatcher in fetcher');
 			}
 			if (action.type === 'MARK_NOTE_READ' && store.getState().isDemoMode) {
 				currentDemoNotifications = currentDemoNotifications.map((note) => {

src/renderer/lib/helpers.ts

@@ -109,7 +109,7 @@ export function getSecondsUntilNextFetch(
 
 export function isAction(action: unknown): action is AppReduxAction {
 	const typedAction = action as AppReduxAction;
-	if (!('type' in typedAction) || !('token' in typedAction)) {
+	if (!('type' in typedAction)) {
 		return false;
 	}
 	return true;