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Fix: Handle errors caused by presence of charset in blob types #388

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Fix: Handle errors caused by presence of charset in blob types #388

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8 changes: 3 additions & 5 deletions src/graph/graphviz-worker.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -97,16 +97,14 @@ export class VizWorker {
async function decompressFromDataURL(dataURL: string): Promise<string> {
const response = await fetch(dataURL);
const blob = await response.blob();
switch (blob.type) {
case 'application/gzip': {
if (blob.type == 'application/gzip') {
// @ts-expect-error DecompressionStream is missing from DOM types
const stream = blob.stream().pipeThrough(new DecompressionStream('gzip'));
const decompressedBlob = await streamToBlob(stream, 'text/plain');
return decompressedBlob.text();
}
case 'text/plain':
} else if (blob.type.startsWith('text/plain') {
return blob.text();
default:
} else {
throw new Error('Can not convert data url with MIME type:' + blob.type);
}
}
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