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Handle JPX wasm fetch-response errors correctly (PR 19329 follow-up)

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Currently we're not checking that the response is actually OK before getting the data, which means that rather than throwing an error we can get an empty `ArrayBuffer`.

To avoid duplicating code we can move an existing helper into `src/core/core_utils.js` and re-use it when fetching the JPX wasm-file as well.
This commit is contained in:
Jonas Jenwald 2025-01-17 01:02:39 +01:00
parent 88735d0f14
commit 6038b5a992
3 changed files with 24 additions and 17 deletions
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11
src/core/core_utils.js
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@ -103,6 +103,16 @@ function arrayBuffersToBytes(arr) {
return data;
}
async function fetchBinaryData(url) {
const response = await fetch(url);
if (!response.ok) {
throw new Error(
`Failed to fetch file "${url}" with "${response.statusText}".`
);
}
return new Uint8Array(await response.arrayBuffer());
}
/**
* Get the value of an inheritable property.
*
@ -701,6 +711,7 @@ export {
encodeToXmlString,
escapePDFName,
escapeString,
fetchBinaryData,
getInheritableProperty,
getLookupTableFactory,
getNewAnnotationsMap,