Split getMatchingTime into isTimeMatched for individual testing of timing configs, drop async

src/pages/api/cron.ts

@@ -50,7 +50,7 @@ export default async function handler(
 		const now = localNow();
 
 		const config = await fetchConfiguration();
-		const matching = await getMatchingTime(config, now);
+		const matching = getMatchingTime(config, now);
 
 		// No matching time - no notification to send.
 		if (matching == null) {

src/timing.ts

@@ -222,12 +222,10 @@ export const numberAsDay: Record<DayEnum, number> = {
 	sunday: 0
 };
 
-export async function getMatchingTime(
+export function isTimeMatched(
-	config: Configuration,
+	time: TimeConfig,
 	now: Date = new Date()
-): Promise<TimeConfig | null> {
+): boolean {
-	const times = config.times.filter((time) => {
-		// If the day doesn't match, skip.
 	if (!time.days.has(dayAsNumber[now.getDay().toString()])) return false;
 	const nowTime = {
 		hours: now.getHours(),
@@ -235,15 +233,18 @@ export async function getMatchingTime(
 	};
 
 	const startTime = time.time;
-		const endTime = addTime(
+	const endTime = addTime(time.time, time.maxLate ?? { hours: 0, minutes: 0 });
-			time.time,
-			time.maxLate ?? { hours: 0, minutes: 0 }
-		);
 
 	return (
 		compareTime(nowTime, startTime) >= 0 && compareTime(nowTime, endTime) <= 0
 	);
-	});
+}
+
+export function getMatchingTime(
+	config: Configuration,
+	now: Date = new Date()
+): TimeConfig | null {
+	const times = config.times.filter((time) => isTimeMatched(time, now));
 
 	// This shouldn't be thrown, if I did my job right.
 	if (times.length > 1)