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Update app.js #45

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88 changes: 44 additions & 44 deletions CurrencyConverter/app.js
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Original file line number Diff line number Diff line change
@@ -1,59 +1,59 @@
const BASE_URL =
"https://cdn.jsdelivr.net/gh/fawazahmed0/currency-api@1/latest/currencies";

const BASE_URL = 'https://cdn.jsdelivr.net/npm/@fawazahmed0/currency-api@2025.3.14/v1/currencies';
const dropdowns = document.querySelectorAll(".dropdown select");
const btn = document.querySelector("form button");
const fromCurr = document.querySelector(".from select");
const toCurr = document.querySelector(".to select");
const msg = document.querySelector(".msg");

for (let select of dropdowns) {
for (currCode in countryList) {
let newOption = document.createElement("option");
newOption.innerText = currCode;
newOption.value = currCode;
if (select.name === "from" && currCode === "USD") {
newOption.selected = "selected";
} else if (select.name === "to" && currCode === "INR") {
newOption.selected = "selected";
}
select.append(newOption);
}

select.addEventListener("change", (evt) => {
updateFlag(evt.target);
});
for(let select of dropdowns) {
for (currCode in countryList) {
let newOption = document.createElement("option");
newOption.innerText = currCode;
newOption.value = currCode;
select.append(newOption);
if(select.name === "from" && currCode === "USD") {
newOption.selected = "selected";
} else if(select.name === "to" && currCode === "INR") {
newOption.selected = "selected";
}
}

select.addEventListener("change", (evt) => {
updateFlag(evt.target);
});
}


const updateExchangeRate = async () => {
let amount = document.querySelector(".amount input");
let amtVal = amount.value;
if(amtVal === "" || amtVal < 1) {
amtVal = 1;
amount.value = "1";
}
const fromURL = `${BASE_URL}/${fromCurr.value.toLowerCase()}.json`;
let fromResponse = await fetch(fromURL);
let fromData = await fromResponse.json();
let rate = fromData[fromCurr.value.toLowerCase()][toCurr.value.toLowerCase()];
let finalAmount = amtVal * rate;
msg.innerText = `${amtVal} ${fromCurr.value} = ${finalAmount.toFixed(2)} ${toCurr.value}`;
}

const updateExchangeRate = async () => {
let amount = document.querySelector(".amount input");
let amtVal = amount.value;
if (amtVal === "" || amtVal < 1) {
amtVal = 1;
amount.value = "1";
}
const URL = `${BASE_URL}/${fromCurr.value.toLowerCase()}/${toCurr.value.toLowerCase()}.json`;
let response = await fetch(URL);
let data = await response.json();
let rate = data[toCurr.value.toLowerCase()];

let finalAmount = amtVal * rate;
msg.innerText = `${amtVal} ${fromCurr.value} = ${finalAmount} ${toCurr.value}`;
};

const updateFlag = (element) => {
let currCode = element.value;
let countryCode = countryList[currCode];
let newSrc = `https://flagsapi.com/${countryCode}/flat/64.png`;
let img = element.parentElement.querySelector("img");
img.src = newSrc;
};
let currCode = element.value;
let countryCode = countryList[currCode];
let newSrc = `https://flagsapi.com/${countryCode}/shiny/64.png`;
let img = element.parentElement.querySelector("img");
img.src = newSrc;
}

btn.addEventListener("click", (evt) => {
evt.preventDefault();
updateExchangeRate();
evt.preventDefault();
updateExchangeRate();
});


window.addEventListener("load", () => {
updateExchangeRate();
});
updateExchangeRate();
})