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script.js
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script.js
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let ready = false;
let imagesLoaded = 0;
let totalImages = 0;
const imageContainer = document.getElementById('image-container');
const loader = document.getElementById('loader');
let photosArray = [];
let initialImagesCount = 9;
const imagesCount = 30;
//Unsplash API
//const apiKey = config.API_KEY;
const apiKey = 'ObSshfRHGffM7Hng-NcmfquEx2mk27II34XRJAIuO6o';
const query = 'food';
const orientation = 'squarish';
let apiUrl = `https://api.unsplash.com/photos/random/?client_id=${apiKey}&count=${initialImagesCount}&query=${query}&orientation=${orientation}`;
// Check if all images were loaded
function imageLoaded() {
imagesLoaded++;
if (imagesLoaded === totalImages) {
ready = true;
loader.hidden = true;
updateAPIForImageCount();
}
}
function updateAPIForImageCount() {
apiUrl = `https://api.unsplash.com/photos/random/?client_id=${apiKey}&count=${imagesCount}&query=${query}&orientation=${orientation}`;
}
//Helper function to set Attributes
function helperSetAttributes(element, attributes) {
for (const key in attributes) {
element.setAttribute(key, attributes[key]);
}
}
//Create Elements for Links, photos, Add to DOM
function displayPhoto() {
imagesLoaded = 0;
totalImages = photosArray.length;
photosArray.forEach((photo) => {
//Create <a> for photo
const item = document.createElement('a');
helperSetAttributes(item, {
href: photo.links.html,
target: '_blank'
});
//Create <img> for photo
const img = document.createElement('img');
helperSetAttributes(img, {
src: photo.urls.regular,
alt: photo.alt_description,
title: photo.alt_description
});
img.addEventListener('load', imageLoaded);
//Put <img> inside <a>
item.appendChild(img);
//Put <a> inside <div class=image-conatiner>
imageContainer.appendChild(item);
});
}
//Get photos from Unsplash API
async function getPhotos() {
try {
const response = await fetch(apiUrl);
photosArray = await response.json();
displayPhoto();
} catch (error) {
console.log('Error fetching data :' + error);
}
}
// Check to see if scrolling near the bottom of the page, if so, load more
window.addEventListener('scroll', () => {
if (
window.innerHeight + window.scrollY >= document.body.offsetHeight - 1000 &&
ready
) {
ready = false;
getPhotos();
}
});
// On Load
getPhotos();