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script.js
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script.js
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// Create constants that will be populated with valaues below by grabbing the elements in the HTML file by their IDs
const quoteContainer = document.getElementById('quote-container');
const quoteText = document.getElementById('quote');
const authorText = document.getElementById('author');
const twitterButton = document.getElementById('twitter');
const newQuoteButton = document.getElementById('new-quote');
const loader = document.getElementById('loader');
let apiQuotes = []; // use let because we'll change the value of this when we fetch the quotes below
function showLoadingSpinner() {
loader.hidden = false;
quoteContainer.hidden = true;
}
function removeLoadingSpinner() {
quoteContainer.hidden = false;
loader.hidden = true;
}
// Show new quote
function newQuote() {
showLoadingSpinner();
// Pick a random quote from apiQuotes array
const quote = apiQuotes[Math.floor(Math.random() * apiQuotes.length)];
// Check for author and replace with 'Unknown' if needed
if (!quote.author) {
authorText.textContent = 'Unknown';
} else {
authorText.textContent = quote.author;
}
// If quote is long, apply different CSS class to shrink it
if (quote.text.length > 100) {
quoteText.classList.add("long-quote");
} else {
quoteText.classList.remove("long-quote");
}
quoteText.textContent = quote.text;
removeLoadingSpinner();
}
// Show new quote from backup file in case API is down
function newOfflineQuote() {
const offQuote = localQuotes[Math.floor(Math.random() * localQuotes.length)];
authorText.textContent = quote.author;
quoteText.textContent = quote.text;
}
// Get quotes from API and store locally
async function getQuotes() {
showLoadingSpinner();
const apiUrl = 'https://type.fit/api/quotes';
try {
const response = await fetch(apiUrl);
apiQuotes = await response.json();
newQuote();
} catch (error) {
// handle error when not getting a quote back from API by using local quote store
newOfflineQuote();
}
}
// Tweet quote
function tweetQuote() {
const twitterUrl = `https://twitter.com/intent/tweet?text=${quoteText.textContent}%0A-${authorText.textContent}`;
window.open(twitterUrl, '_blank'); // open twitter in a new tab with quote ready to tweet
}
// Event listeners
newQuoteButton.addEventListener('click', newQuote);
twitterButton.addEventListener('click', tweetQuote);
// On page load, fetch quotes
getQuotes();