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Use image load events for BLOB previews

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Simon Willison 2026-07-03 17:19:13 -07:00
commit ae26c3372a
1 changed files with 4 additions and 8 deletions
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12
datasette/static/edit-tools.js
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@ -4116,8 +4116,6 @@ function updateRowEditBinaryPreview(wrapper, encoded, byteLength) {
image.alt = "";
var objectUrl = URL.createObjectURL(new Blob([bytes], { type: mimeType }));
wrapper._rowEditBinaryPreviewUrl = objectUrl;
image.src = objectUrl;
preview.appendChild(image);
var showPreview = function () {
if (wrapper._rowEditBinaryPreviewUrl === objectUrl) {
@ -4131,12 +4129,10 @@ function updateRowEditBinaryPreview(wrapper, encoded, byteLength) {
preview.textContent = "";
}
};
if (image.decode) {
image.decode().then(showPreview).catch(hidePreview);
} else {
image.onload = showPreview;
image.onerror = hidePreview;
}
image.onload = showPreview;
image.onerror = hidePreview;
image.src = objectUrl;
preview.appendChild(image);
}
function updateRowEditBinaryDisplay(wrapper, control, fileName) {