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Convert the getPdfManager function to be asynchronous

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This is fairly old code, and by making the function `async` we can handle initialization errors "automatically" without the need for try-catch statements.
This commit is contained in:
Jonas Jenwald 2024-11-22 17:49:43 +01:00
parent 1f6cc85134
commit 8ec399d7e1
1 changed files with 8 additions and 20 deletions
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28
src/core/worker.js
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@ -189,7 +189,7 @@ class WorkerMessageHandler {
return { numPages, fingerprints, htmlForXfa };
}
function getPdfManager({
async function getPdfManager({
data,
password,
disableAutoFetch,
@ -211,32 +211,20 @@ class WorkerMessageHandler {
password,
rangeChunkSize,
};
const pdfManagerCapability = Promise.withResolvers();
let newPdfManager;
if (data) {
try {
pdfManagerArgs.source = data;
pdfManagerArgs.source = data;
newPdfManager = new LocalPdfManager(pdfManagerArgs);
pdfManagerCapability.resolve(newPdfManager);
} catch (ex) {
pdfManagerCapability.reject(ex);
}
return pdfManagerCapability.promise;
return new LocalPdfManager(pdfManagerArgs);
}
const pdfStream = new PDFWorkerStream(handler),
fullRequest = pdfStream.getFullReader();
let pdfStream,
const pdfManagerCapability = Promise.withResolvers();
let newPdfManager,
cachedChunks = [],
loaded = 0;
try {
pdfStream = new PDFWorkerStream(handler);
} catch (ex) {
pdfManagerCapability.reject(ex);
return pdfManagerCapability.promise;
}
const fullRequest = pdfStream.getFullReader();
fullRequest.headersReady
.then(function () {
if (!fullRequest.isRangeSupported) {
@ -315,7 +303,7 @@ class WorkerMessageHandler {
cancelXHRs = null;
});
cancelXHRs = function (reason) {
cancelXHRs = reason => {
pdfStream.cancelAllRequests(reason);
};