Function parseDateAsLocal

src/utils/dateUtils.ts:403–430

(dateString: string)

 * creates a date at midnight local time to ensure consistent behavior.
 */
export function parseDateAsLocal(dateString: string): Date {
	if (!dateString) {
		throw new Error("Date string cannot be empty");
	}

	const trimmed = dateString.trim();

	// For date-only strings, create a date at midnight local time
	const dateMatch = trimmed.match(/^(\d{4})-(\d{2})-(\d{2})$/);
	if (dateMatch) {
		const [, year, month, day] = dateMatch;
		const parsed = new Date(parseInt(year, 10), parseInt(month, 10) - 1, parseInt(day, 10));

		if (
			!isValid(parsed) ||
			parsed.getFullYear() !== parseInt(year, 10) ||
			parsed.getMonth() !== parseInt(month, 10) - 1 ||
			parsed.getDate() !== parseInt(day, 10)
		) {
			throw new Error(`Invalid date values: ${dateString}`);
		}

		return parsed;
	}

	// For datetime strings, use the shared local-date parser
	return parseDateToLocalInternal(dateString);
}

/**
 * Normalize a date string to YYYY-MM-DD format for storage/comparison