multi-download/index.html at main · sindresorhus/multi-download · GitHub

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<!doctype html>
<html>
	<head>
		<meta charset="utf-8">
		<meta name="author" content="Sindre Sorhus">
		<meta name="viewport" content="width=device-width">
		<title>multi-download example</title>
		<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
		<style>
			#download-button,
			#download-rename-button {
				height: 50px;
				position: absolute;
				left: 50%;
				transform: translate(-50%, -50%);
				outline: none;
			}

			#download-button {
				top: calc(50% - 50px);
			}

			#download-rename-button {
				top: calc(50% + 50px);
			}
		</style>
	</head>
	<body >
		<button id="download-button" class="btn btn-primary btn-lg" data-files="fixture/unicorn.jpg.zip fixture/rainbow.jpg.zip fixture/unicorn2.jpg.zip">Download multiple files</button>
		<button id="download-rename-button" class="btn btn-primary btn-lg" data-files="fixture/unicorn.jpg.zip fixture/rainbow.jpg.zip fixture/unicorn2.jpg.zip">Download multiple files and rename them</button>
		<script type="module">
			import multiDownload from './index.js';

			document.querySelector('#download-button').addEventListener('click', event => {
				const files = event.target.dataset.files.split(' ');
				multiDownload(files);
			});

			document.querySelector('#download-rename-button').addEventListener('click', event => {
				const files = event.target.dataset.files.split(' ');

				multiDownload(files, {
					rename: ({url, index, urls}) => {
						const extension = url.slice(url.lastIndexOf('.') + 1);
						return `file${index}.${extension}`;
					}
				});
			});
		</script>
	</body>
</html>