Super simple function to parse date string (date.toLocaleDateString()). It's not bullet-proof, so for more stable parsing use something like moment.js

date-parse.ts

/**
 * Super simple function to parse date string (date.toLocaleDateString())
 * It's not bullet-proof, so for more stable parsing use something like moment.js
 *
 * This function may return invalid date object if the string was not parsed correctly.
 * Check for validity:
 *
 * isNaN(date.valueOf()) // Invalid date if true
 */
private parseLocaleDateString = (localeDate?: string): Date => {
	const date = new Date(localeDate!);
	const match = (localeDate || '').match(/^(\d{2,4}).*?(\d{2}).*?(\d{2,4})$/);

	// Can't parse date string, use default Date.parse()
	// It may return correct Date object for strings like "April 22, 1996"
	if (!match) return date;

	const parts = [match[1], match[2], match[3]];
	const MDYLocaleList = [
		"en-US",
		"en-MH",
		"ms-MY",
		"ig-NG",
		"en-PH",
		"fil-PH",
		"ar-SA",
		"so-SO",
		"en-CA",
		"mh",
		"ms",
		"ig",
		"fl",
		"ar",
		"so",
	];

	// YMD
	if (/^(\d{4}).*?(\d{2}).*?(\d{2})$/.test(localeDate || '')) {
		return new Date(parts.join('-'));
	}

	// DMY or MDY?
	if (/^(\d{2}).*?(\d{2}).*?(\d{4})$/.test(localeDate || '')) {
		// Check for MDY
		if (+parts[1] > 12) {
			return new Date(`${parts[2]}-${parts[0]}-${parts[1]}`);
		}

		// Check for MDY based on locale
		if (typeof window !== 'undefined') {
			if (typeof window.navigator.language !== 'undefined' && MDYLocaleList.indexOf(window.navigator.language) >= 0) {
				return new Date(`${parts[2]}-${parts[0]}-${parts[1]}`);
			}

			// Hello IE!
			if ((window.navigator as any).userLanguage && MDYLocaleList.indexOf((window.navigator as any).userLanguage) >= 0) {
				return new Date(`${parts[2]}-${parts[0]}-${parts[1]}`);
			}
		}

		// After strict checks for MDY, probably it's DMY
		return new Date(parts.reverse().join('-'));
	}

	// Cant't parse date, so try to use native parser
	return date;
}