1-currency-conversion.js

/*
  CURRENCY FORMATTING
  ===================
  The business is breaking out into a new market and need to convert prices to USD
  Write a function that converts a price to USD (exchange rate is 1.4 $ to £)
*/

function convertToUSD(AmountToConvert) {
	var usDollarEquivlent = AmountToConvert * 1.4;
	return usDollarEquivlent; //.toFixed(2);
}

/*
  CURRENCY FORMATTING
  ===================
  The business is now breaking into the Brazilian market
  Write a new function for converting to the Brazilian real (exchange rate is 5.7 BRL to £)
  They have also decided that they should add a 1% fee to all foreign transactions
  Find a way to add 1% to all currency conversions (think about the DRY principle)
*/

function convertToBRL(AmountToConvert) {
	var realBrazilianEquivlent = AmountToConvert * 5.7;
	realBrazilianEquivlent = addOnePercentFee(realBrazilianEquivlent);
	return realBrazilianEquivlent; //.toFixed(2);
}
function addOnePercentFee(transactionAmount) {
	var fee = transactionAmount * 0.01;
	transactionPlusFee = transactionAmount + fee;
	return transactionPlusFee;
}

/* ======= TESTS - DO NOT MODIFY ===== 
There are some Tests in this file that will help you work out if your code is working.

To run these tests type `node 1-currency-conversion` into your terminal
*/

function test(test_name, expr) {
	let status;
	if (expr) {
		status = "PASSED";
	} else {
		status = "FAILED";
	}

	console.log(`${test_name}: ${status}`);
}

test("convertToUSD function works", convertToUSD(32) === 44.8);
test("convertToBRL function works", convertToBRL(30) === 172.71);