index.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Compareasonion</title>
    <style>
        .columns {
            display: flex;
        }

        .columns>div {
            width: 50%;
        }

        img {
            width: 100%;
        }
    </style>
</head>

<body>
    <div id="target"></div>
    <script>
        let loadDoc = function (target) {

            let UIblock = document.getElementById(target);

            let buildUI = function (key, records) {
                let block = document.createElement('div');

                let title = document.createElement('h1');
                let title_text = document.createTextNode(key);
                title.appendChild(title_text);
                block.appendChild(title);

                let recordblock = document.createElement('div');
                recordblock.className = 'columns';
                records.forEach((item) => {
                    let imageblock = document.createElement('div');
                    if (item.error) {
                        let error = document.createTextNode(item.error);
                        imageblock.appendChild(error);
                        recordblock.appendChild(imageblock);
                        // return;
                    }
                    if (item.image_path) {
                        let image = document.createElement('img');
                        image.src = item.image_path;
                        image.alt = item.url;
                        imageblock.appendChild(image);
                    }
                    recordblock.appendChild(imageblock);
                });
                block.appendChild(recordblock);

                UIblock.appendChild(block);
            }

            fetch('/output/records.json')
                .then(response => response.json())
                .then(records => Object.keys(records).forEach((record) => {
                    buildUI(record, records[record])
                }));
        }

        loadDoc("target");
    </script>
</body>

</html>