Format a value to display as a monetary value

format_money.js

export default (amount, currency) => {
	const currencies = {
		AFN: '؋',
		ARS: '$',
		AWG: 'ƒ',
		AUD: '$',
		AZN: '₼',
		BSD: '$',
		BBD: '$',
		BYR: 'p.',
		BZD: 'BZ$',
		BMD: '$',
		BOB: 'Bs.',
		BAM: 'KM',
		BWP: 'P',
		BGN: 'лв',
		BRL: 'R$',
		BND: '$',
		KHR: '៛',
		CAD: '$',
		KYD: '$',
		CLP: '$',
		CNY: '¥',
		COP: '$',
		CRC: '₡',
		HRK: 'kn',
		CUP: '₱',
		CZK: 'Kč',
		DKK: 'kr',
		DOP: 'RD$',
		XCD: '$',
		EGP: '£',
		SVC: '$',
		EEK: 'kr',
		EUR: '€',
		FKP: '£',
		FJD: '$',
		GHC: '¢',
		GIP: '£',
		GTQ: 'Q',
		GGP: '£',
		GYD: '$',
		HNL: 'L',
		HKD: '$',
		HUF: 'Ft',
		ISK: 'kr',
		INR: '₹',
		IDR: 'Rp',
		IRR: '﷼',
		IMP: '£',
		ILS: '₪',
		JMD: 'J$',
		JPY: '¥',
		JEP: '£',
		KES: 'KSh',
		KZT: 'лв',
		KPW: '₩',
		KRW: '₩',
		KGS: 'лв',
		LAK: '₭',
		LVL: 'Ls',
		LBP: '£',
		LRD: '$',
		LTL: 'Lt',
		MKD: 'ден',
		MYR: 'RM',
		MUR: '₨',
		MXN: '$',
		MNT: '₮',
		MZN: 'MT',
		NAD: '$',
		NPR: '₨',
		ANG: 'ƒ',
		NZD: '$',
		NIO: 'C$',
		NGN: '₦',
		NOK: 'kr',
		OMR: '﷼',
		PKR: '₨',
		PAB: 'B/.',
		PYG: 'Gs',
		PEN: 'S/.',
		PHP: '₱',
		PLN: 'zł',
		QAR: '﷼',
		RON: 'lei',
		RUB: '₽',
		SHP: '£',
		SAR: '﷼',
		RSD: 'Дин.',
		SCR: '₨',
		SGD: '$',
		SBD: '$',
		SOS: 'S',
		ZAR: 'R',
		LKR: '₨',
		SEK: 'kr',
		SRD: '$',
		SYP: '£',
		TZS: 'TSh',
		TWD: 'NT$',
		THB: '฿',
		TTD: 'TT$',
		TRY: '',
		TRL: '₤',
		TVD: '$',
		UGX: 'USh',
		UAH: '₴',
		GBP: '£',
		USD: '$',
		UYU: '$U',
		UZS: 'лв',
		VEF: 'Bs',
		VND: '₫',
		YER: '﷼',
		ZWD: 'Z$'
	};

	const roundNumber = (num, dec) => Math.round(num * Math.pow(10, dec)) / Math.pow(10, dec);

	if (amount) {
		// Make sure "amount" is an int
		if (String(amount).indexOf('.') > -1) {
			amount = Number(amount) * 100;
		}
		// Round the amount to a maximum of 8 decimal places
		amount = roundNumber((amount / 100), 8);
		// Make sure there's atleast two dicimal places
		amount = amount.toFixed(2);
	} else {
		amount = 0.00;
	}

	if (!currency) {
		return amount;
	}

	return currencies[currency] ? `${currencies[currency]}${amount}` : `${amount} ${currency}`;
};