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fix(image-pipeline): preserve worker errors and skip aborted histograms

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Matthias
2026-04-04 11:56:38 +02:00
parent b650485e81
commit d73db3a612
7 changed files with 421 additions and 131 deletions
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16
lib/image-pipeline/preview-renderer.ts
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@@ -13,6 +13,12 @@ export type PreviewRenderResult = {
type PreviewCanvas = HTMLCanvasElement | OffscreenCanvas;
type PreviewContext = CanvasRenderingContext2D | OffscreenCanvasRenderingContext2D;
function throwIfAborted(signal?: AbortSignal): void {
if (signal?.aborted) {
throw new DOMException("The operation was aborted.", "AbortError");
}
}
function createPreviewContext(width: number, height: number): PreviewContext {
if (typeof document !== "undefined") {
const canvas = document.createElement("canvas");
@@ -63,9 +69,7 @@ export async function renderPreview(options: {
const width = Math.max(1, Math.round(options.previewWidth));
const height = Math.max(1, Math.round((bitmap.height / bitmap.width) * width));
if (options.signal?.aborted) {
throw new DOMException("The operation was aborted.", "AbortError");
}
throwIfAborted(options.signal);
const context = createPreviewContext(width, height);
@@ -78,11 +82,11 @@ export async function renderPreview(options: {
});
await yieldToMainOrWorkerLoop();
if (options.signal?.aborted) {
throw new DOMException("The operation was aborted.", "AbortError");
}
throwIfAborted(options.signal);
}
throwIfAborted(options.signal);
const histogram = options.includeHistogram === false
? emptyHistogram()
: computeHistogram(imageData.data);