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105 changes: 54 additions & 51 deletions CurrencyConverter/app.js
Original file line number Diff line number Diff line change
@@ -1,59 +1,62 @@
const BASE_URL =
"https://cdn.jsdelivr.net/gh/fawazahmed0/currency-api@1/latest/currencies";
const today = new Date();
const yyyy = today.getFullYear();
const mm = String(today.getMonth() + 1).padStart(2, '0');
const dd = String(today.getDate()).padStart(2, '0');
const latestDate = `${yyyy}-${mm}-${dd}`;
const BASE_URL = `https://cdn.jsdelivr.net/npm/@fawazahmed0/currency-api@${latestDate}/v1`;
const dropdown = document.querySelectorAll(".dropdown select")
const button = document.querySelector("form button");
const fromCurr = document.querySelector(".from select")
const tocurr = document.querySelector(".to select")
let msg = document.querySelector(".msg");

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";
const updateExchangeRate = async () => {
let amount = document.querySelector("form input");
if (amount.value === "" || amount.value < 1) {
amount.value = 1;
}
select.append(newOption);
}

select.addEventListener("change", (evt) => {
updateFlag(evt.target);
});
const from = fromCurr.value.toLowerCase();
const to = tocurr.value.toLowerCase();
const URL = `${BASE_URL}/currencies/${from}.json`;
const response = await fetch(URL);
const data = await response.json();
const rate = data[from][to];
let convertedAmount = (amount.value * rate).toFixed(3);
msg.innerText = `${amount.value}${fromCurr.value} = ${convertedAmount}${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}`;
};
for (let select of dropdown) {
for (curcode in countryList) {
let newoption = document.createElement("option")
newoption.innerText = curcode;
newoption.value = curcode;
if (select.name == "from" && curcode === "USD") {
newoption.selected = "selected"
}
if (select.name == "to" && curcode === "INR") {
newoption.selected = "selected"
}
select.append(newoption)
}
select.addEventListener("change", (evt) => {
updateflag(evt.target);
});
}

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

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

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