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main.js
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main.js
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// ############### HELPERS #######################################
// getJSON HELPER FUNCTION
const getJSON = async function (url, errorMsg = "Something went wrong") {
return fetch(url).then((response) => {
if (!response.ok) throw new Error(`${errorMsg} (${response.status})`);
return response.json();
});
};
// ###### CONSTRUCT SINGLE COUNTRY CARD COMPONENT WITH DATA FROM API. #################
const countriesContainer = document.querySelector(".countries");
const searchComponent = document.querySelector(".search-country");
let countryHighlight;
let allCountries;
let singleCountry;
const renderCountry = function (data) {
const html = `
<article class="country" id = "${data.name}">
<img class="country__img" src="${data.flag}" />
<div class="country__data">
<h3 class="country__name">${data.name}</h3>
<h4 class="country__region">${data.region}</h4>
<p class="country__row"><span>Population:</span>${commafy(
data.population
)}</p>
<p class="country__row"><span>Language:</span>${
data.languages[0].name
}</p>
<p class="country__row"><span>Capital:</span>${
data.capital ? `${data.capital}` : "Doesn't have capital!"
}</p>
</div>
</article>
`;
countriesContainer.insertAdjacentHTML("beforeend", html);
countriesContainer.style.opacity = 1;
};
// ####### END CONSTRUCT SINGLE COUNTRY CARD COMPONENT WITH DATA FROM API. ###########
// ###### CONSTRUCT COUNTRY COMPONENT EXPANDED VERSION. ####################
// ###### DISPLAY COUNTRY NAME BASED ON ALPHA CODE. ####################
const getCode = async function (code) {
const filteredArr = countriesObj.filter(
(el) => el.alpha3Code.toLowerCase() === code.toLowerCase()
);
return filteredArr[0].name;
};
// ############ END DISPLAY COUNTRY NAME BASED ON ALPHA CODE. ##################
// ############# CONSTRUCTING BUTTONS FOR NEIGHBOURS. ######################
const backBtnFunctionality = function () {
let backBtn = document.createElement("button");
backBtn.classList.add(
"country-highlight-button",
"country-highlight-button-back"
);
const btnTextNode = document.createTextNode("Back");
backBtn.appendChild(btnTextNode);
return backBtn.outerHTML;
};
const btnNeighbour = async function (data) {
const neighboursArr = [];
let neighBtn;
let neighbBtns;
if (!data.borders) {
neighbBtns = document.createElement("div");
neighbBtns.classList.add("country__neighbours-btns");
return (neighbBtns.innerHTML = "There are no neighbours!");
}
if (data.borders) {
for (let i = 0; i < data.borders.length; i++) {
neighbBtns = document.createElement("div");
neighbBtns.classList.add("country__neighbours-btns");
let txt = await getCode(data.borders[i]);
let textNode = document.createTextNode(txt);
neighBtn = document.createElement("button");
neighBtn.classList.add("country-highlight-button", "neighbour");
neighBtn.appendChild(textNode);
neighboursArr.push(neighBtn);
for (let j = 0; j < neighboursArr.length; j++) {
neighbBtns.appendChild(neighboursArr[j]);
}
}
}
return neighbBtns.innerHTML;
};
// ############# END CONSTRUCTING BUTTONS FOR NEIGHBOURS. ######################
// ###### CONSTRUCT SINGLE COUNTRY EXPANDED COMPONENT WITH DATA FROM API. ####################
const renderCountryHighlight = async function (data) {
const html = `
<article class="country-highlight">
${backBtnFunctionality()}
<div class="country-highlight-container">
<img class="country__flag" src="${data.flag}" />
<div class="country-highlight-container-right">
<div class="country__highlight-data">
<h3 class="country__name-h">${data.name}</h3>
<div class="country__highlight-data-content">
<p class="country__row-h country__native-name"><span>Native Name:</span>${
data.nativeName
}</p>
<p class="country__row-h"><span>Population:</span>${commafy(
data.population
)}</p>
<p class="country__row-h"><span>Region:</span>${
data.region
}</p>
<p class="country__row-h country__subregion"><span>Sub Region:</span>${
data.subregion
}</p>
<p class="country__row-h country__capital"><span>Capital:</span>${
data.capital
? `${data.capital}`
: "Doesn't have capital!"
}</p>
<p class="country__row-h country__domain"><span>Top Level Domain:</span>${
data.topLevelDomain
}</p>
<p class="country__row-h country__currency"><span>Currencies:</span>${
data.currencies[0].name
}</p>
<p class="country__row-h"><span>Language:</span>${
data.languages[0].name
}</p>
</div>
</div>
<div class="country__neighbours">
<p class="country__row-h"><span>Border Countries:</span></p>
${await btnNeighbour(data)}
</div>
</div>
</div>
</article>
`;
searchComponent.classList.add("search-country-disabled");
countriesContainer.innerHTML = "";
countriesContainer.insertAdjacentHTML("beforeend", html);
countriesContainer.style.opacity = 1;
// searchInput.value = "";
// searchResults.innerHTML = "";
document
.querySelector(".country-highlight-button-back")
.addEventListener("click", function () {
searchComponent.classList.remove("search-country-disabled");
countriesContainer.innerHTML = "";
selected.innerHTML = "Filter by Region";
countriesObj.map((country) => renderCountry(country));
showExpandedCountry();
});
document.querySelectorAll(".neighbour").forEach((el) =>
el.addEventListener("click", function () {
searchComponent.classList.add("search-country-disabled");
countriesContainer.innerHTML = "";
fetchDataCountry(el.textContent);
})
);
};
// ######## END CONSTRUCT SINGLE COUNTRY EXPANDED COMPONENT WITH DATA FROM API. ####################
// ############ END CONSTRUCT COUNTRY COMPONENT EXPANDED VERSION. ##################
// SHOWING EXPANDED COUNTRY
async function showExpandedCountry() {
countryHighlight = document.querySelectorAll(".country");
let countryToHighlight;
countryHighlight.forEach((el) =>
el.addEventListener("click", async function (e) {
searchComponent.classList.add("search-country-disabled");
countriesContainer.innerHTML = "";
countryToHighlight = await fetchDataCountry(el.id.toLowerCase());
renderCountryHighlight(countryToHighlight[0]);
})
);
}
const fetchDataCountry = async function (pais) {
singleCountry = await getJSON(`https://restcountries.com/v2/name/${pais}`);
renderCountryHighlight(singleCountry[0]);
return singleCountry;
};
const fetchData = async function () {
allCountries = await getJSON("https://restcountries.com/v2/all");
// console.log(allCountries); --> array with objects
countriesContainer.innerHTML = "";
allCountries.map((country) => renderCountry(country));
showExpandedCountry();
return allCountries;
};
const countriesObj = await fetchData();
// FORMATTING POPULATION NUMBER.
function commafy(num) {
let str = num.toString().split(".");
if (str[0].length >= 5) {
str[0] = str[0].replace(/(\d)(?=(\d{3})+$)/g, "$1,");
}
if (str[1] && str[1].length >= 5) {
str[1] = str[1].replace(/(\d{3})/g, "$1 ");
}
return str.join(".");
}
// ########## END FORMATTING POPULATION NUMBER #################
// ############### END HELPERS #######################################
// ########## FILTER FUNCTIONALITY ########################
// SELECT DROPDOWN FILTER CONTINENTS
const selected = document.querySelector(".selected");
const optionsContainer = document.querySelector(".options-container");
const optionsList = document.querySelectorAll(".option");
selected.addEventListener("click", () => {
optionsContainer.classList.toggle("active");
});
optionsList.forEach((o) => {
o.addEventListener("click", () => {
selected.innerHTML = o.querySelector("label").innerHTML;
optionsContainer.classList.remove("active");
});
});
// FILTER BY CONTINENTS
const continents = document.querySelectorAll(".option");
const getContinent = async function (continent) {
const filteredArr = countriesObj.filter(
(el) => el.region.toLowerCase() === continent.toLowerCase()
);
countriesContainer.innerHTML = "";
filteredArr.map((region) => renderCountry(region));
showExpandedCountry();
};
continents.forEach((el) => {
el.addEventListener("click", () => {
let firstChild = el.firstChild.nextSibling.id;
getContinent(`${firstChild}`);
});
});
// ########## END FILTER FUNCTIONALITY ########################
// ################### SEARCH FUNCTIONALITY ########################
const search = document.querySelector(".search_section");
const results = countriesObj;
const searchInput = search.querySelector('input[name="search"]');
const searchResults = search.querySelector(".search_results");
// fetch("https://restcountries.com/v2/all")
// .then((blob) => blob.json())
// .then((data) => results.push(...data));
function findMatches(wordToMatch, results) {
return results.filter((response) => {
const regex = new RegExp(wordToMatch, "gi");
return response.name.match(regex);
});
}
function displayMatches() {
// HIDES ALL RESULTS FROM DISPLAYING IF SOMEONE USES BACKSPACE AFTER TYPING SOMETHING
if (!searchInput.value) {
searchResults.style.display = "none";
} else {
searchResults.style.display = "block";
}
const matchArray = findMatches(this.value, results);
const suggestion = matchArray
.map((response) => {
return `
<a class="search_suggestion"> ${response.name}</a>
`;
})
.sort()
.join("");
const country = matchArray
.map((response) => {
const html = `
<article class="country" id = "${response.name}">
<img class="country__img" src="${response.flag}" />
<div class="country__data">
<h3 class="country__name">${response.name}</h3>
<h4 class="country__region">${response.region}</h4>
<p class="country__row"><span>Population:</span>${commafy(
response.population
)}</p>
<p class="country__row"><span>Language:</span>${
response.languages[0].name
}</p>
<p class="country__row"><span>Capital:</span>${
response.capital
}</p>
</div>
</article>
`;
return html;
})
.sort()
.join("");
// SETS THE SEARCH RESULTS TO THE PAGE
searchResults.innerHTML = suggestion;
document.addEventListener("click", function (event) {
let isClickInsideElement = searchResults.contains(event.target);
if (!isClickInsideElement) {
// Reset fields if click is outside specified element
searchResults.innerHTML = "";
searchInput.value = "";
}
});
// SUGGESTIONS REDIRECTING TO THE RIGHT PAGE.
const suggestions = document.querySelectorAll(".search_suggestion");
suggestions.forEach((el) =>
el.addEventListener("click", async function () {
let suggestedCountry = await fetchDataCountry(el.innerText.toLowerCase());
renderCountryHighlight(suggestedCountry[0]);
})
);
// DISPLAYS THE COUNTRIES THAT MATCH THE SEARCH
countriesContainer.innerHTML = country;
countriesContainer.style.opacity = 1;
showExpandedCountry();
}
// allows user to key through results with up and down arrows
searchInput.addEventListener("keyup", (e) => {
if (![38, 40, 13].includes(e.keyCode)) {
return;
}
const activeClass = "search_suggestion--active";
const current = search.querySelector(`.${activeClass}`);
const items = search.querySelectorAll(".search_suggestion");
let next;
if (e.keyCode === 40 && current) {
next = current.nextElementSibling || items[0];
} else if (e.keyCode === 40) {
next = items[0];
} else if (e.keyCode === 38 && current) {
next = current.previousElementSibling || items[items.length - 1];
} else if (e.keyCode === 38) {
next = items[items.length - 1];
} else if (e.keyCode === 13 && current.href) {
window.location = current.href;
return;
}
if (current) {
current.classList.remove(activeClass);
}
next.classList.add(activeClass);
});
searchInput.addEventListener("input", displayMatches, (e) => {
if ([38, 40, 13].includes(e.keyCode)) {
return;
}
});
// ################### END SEARCH FUNCTIONALITY ########################