import GeoTIFF from 'ol/source/GeoTIFF.js';
import Map from 'ol/Map.js';
import TileLayer from 'ol/layer/WebGLTile.js';
const source = new GeoTIFF({
  sources: [
      url: 'https://sentinel-cogs.s3.us-west-2.amazonaws.com/sentinel-s2-l2a-cogs/36/Q/WD/2020/7/S2A_36QWD_20200701_0_L2A/TCI.tif',
const map = new Map({
  target: 'map',
  layers: [
    new TileLayer({
      source: source,
  view: source.getView(),
    <meta charset="UTF-8">
    <title>Cloud Optimized GeoTIFF (COG)</title>
    <link rel="stylesheet" href="node_modules/ol/ol.css">
    <style>
      .map {
        width: 100%;
        height: 400px;
    </style>
  </head>
    <div id="map" class="map"></div>
    <!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
    <script src="./resources/elm-pep.js"></script>
    <script type="module" src="main.js"></script>
  </body>
</html>

package.json

"name": "cog", "dependencies": { "ol": "7.3.0" "devDependencies": { "vite": "^3.2.3" "scripts": { "start": "vite", "build": "vite build"