Changed processDate function to throw if it cannot complete conversion

src/PKPass.ts

@@ -698,15 +698,13 @@ export default class PKPass extends Bundle {
 			return;
 		}
 
-		const parsedDate = processDate("expirationDate", date);
-
-		if (!parsedDate) {
+		try {
+			this[propsSymbol]["expirationDate"] = processDate(date);
+		} catch (err) {
 			throw new TypeError(
 				`Cannot set expirationDate. Invalid date ${date}`,
 			);
 		}
-
-		this[propsSymbol]["expirationDate"] = parsedDate;
 	}
 
 	/**
@@ -789,15 +787,13 @@ export default class PKPass extends Bundle {
 			return;
 		}
 
-		const parsedDate = processDate("relevantDate", date);
-
-		if (!parsedDate) {
+		try {
+			this[propsSymbol]["relevantDate"] = processDate(date);
+		} catch (err) {
 			throw new TypeError(
 				`Cannot set relevantDate. Invalid date ${date}`,
 			);
 		}
-
-		this[propsSymbol]["relevantDate"] = parsedDate;
 	}
 
 	/**

src/utils.ts

@@ -26,16 +26,15 @@ export function isValidRGB(value?: string): boolean {
 	return rgb.slice(1, 4).every((v) => Math.abs(Number(v)) <= 255);
 }
 
-export function processDate(key: string, date: Date): string | null {
+export function processDate(date: Date): string | null {
 	if (!(date instanceof Date)) {
-		return null;
+		throw "Invalid date";
 	}
 
 	const dateParse = dateToW3CString(date);
 
 	if (!dateParse) {
-		console.warn(formatMessage(DEBUG.DATE_FORMAT_UNMATCH, key));
-		return null;
+		throw "Invalid date";
 	}
 
 	return dateParse;